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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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17
drivers/clk/ux500/Makefile Normal file
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#
# Makefile for ux500 clocks
#
# Clock types
obj-y += clk-prcc.o
obj-y += clk-prcmu.o
obj-y += clk-sysctrl.o
# Clock definitions
obj-y += u8500_of_clk.o
obj-y += u8500_clk.o
obj-y += u9540_clk.o
obj-y += u8540_clk.o
# ABX500 clock driver
obj-y += abx500-clk.o

138
drivers/clk/ux500/abx500-clk.c Normal file
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/*
* abx500 clock implementation for ux500 platform.
*
* Copyright (C) 2012 ST-Ericsson SA
* Author: Ulf Hansson <ulf.hansson@linaro.org>
*
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/err.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/mfd/abx500/ab8500.h>
#include <linux/mfd/abx500/ab8500-sysctrl.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#include <linux/mfd/dbx500-prcmu.h>
#include "clk.h"
/* Clock definitions for ab8500 */
static int ab8500_reg_clks(struct device *dev)
{
int ret;
struct clk *clk;
const char *intclk_parents[] = {"ab8500_sysclk", "ulpclk"};
u16 intclk_reg_sel[] = {0 , AB8500_SYSULPCLKCTRL1};
u8 intclk_reg_mask[] = {0 , AB8500_SYSULPCLKCTRL1_SYSULPCLKINTSEL_MASK};
u8 intclk_reg_bits[] = {
0 ,
(1 << AB8500_SYSULPCLKCTRL1_SYSULPCLKINTSEL_SHIFT)
};
dev_info(dev, "register clocks for ab850x\n");
/* Enable SWAT */
ret = ab8500_sysctrl_set(AB8500_SWATCTRL, AB8500_SWATCTRL_SWATENABLE);
if (ret)
return ret;
/* ab8500_sysclk */
clk = clk_reg_prcmu_gate("ab8500_sysclk", NULL, PRCMU_SYSCLK,
CLK_IS_ROOT);
clk_register_clkdev(clk, "sysclk", "ab8500-usb.0");
clk_register_clkdev(clk, "sysclk", "ab-iddet.0");
clk_register_clkdev(clk, "sysclk", "snd-soc-mop500.0");
clk_register_clkdev(clk, "sysclk", "shrm_bus");
/* ab8500_sysclk2 */
clk = clk_reg_sysctrl_gate(dev , "ab8500_sysclk2", "ab8500_sysclk",
AB8500_SYSULPCLKCTRL1, AB8500_SYSULPCLKCTRL1_SYSCLKBUF2REQ,
AB8500_SYSULPCLKCTRL1_SYSCLKBUF2REQ, 0, 0);
clk_register_clkdev(clk, "sysclk", "0-0070");
/* ab8500_sysclk3 */
clk = clk_reg_sysctrl_gate(dev , "ab8500_sysclk3", "ab8500_sysclk",
AB8500_SYSULPCLKCTRL1, AB8500_SYSULPCLKCTRL1_SYSCLKBUF3REQ,
AB8500_SYSULPCLKCTRL1_SYSCLKBUF3REQ, 0, 0);
clk_register_clkdev(clk, "sysclk", "cg1960_core.0");
/* ab8500_sysclk4 */
clk = clk_reg_sysctrl_gate(dev , "ab8500_sysclk4", "ab8500_sysclk",
AB8500_SYSULPCLKCTRL1, AB8500_SYSULPCLKCTRL1_SYSCLKBUF4REQ,
AB8500_SYSULPCLKCTRL1_SYSCLKBUF4REQ, 0, 0);
/* ab_ulpclk */
clk = clk_reg_sysctrl_gate_fixed_rate(dev, "ulpclk", NULL,
AB8500_SYSULPCLKCTRL1, AB8500_SYSULPCLKCTRL1_ULPCLKREQ,
AB8500_SYSULPCLKCTRL1_ULPCLKREQ,
38400000, 9000, CLK_IS_ROOT);
clk_register_clkdev(clk, "ulpclk", "snd-soc-mop500.0");
/* ab8500_intclk */
clk = clk_reg_sysctrl_set_parent(dev , "intclk", intclk_parents, 2,
intclk_reg_sel, intclk_reg_mask, intclk_reg_bits, 0);
clk_register_clkdev(clk, "intclk", "snd-soc-mop500.0");
clk_register_clkdev(clk, NULL, "ab8500-pwm.1");
/* ab8500_audioclk */
clk = clk_reg_sysctrl_gate(dev , "audioclk", "intclk",
AB8500_SYSULPCLKCTRL1, AB8500_SYSULPCLKCTRL1_AUDIOCLKENA,
AB8500_SYSULPCLKCTRL1_AUDIOCLKENA, 0, 0);
clk_register_clkdev(clk, "audioclk", "ab8500-codec.0");
return 0;
}
/* Clock definitions for ab8540 */
static int ab8540_reg_clks(struct device *dev)
{
return 0;
}
/* Clock definitions for ab9540 */
static int ab9540_reg_clks(struct device *dev)
{
return 0;
}
static int abx500_clk_probe(struct platform_device *pdev)
{
struct ab8500 *parent = dev_get_drvdata(pdev->dev.parent);
int ret;
if (is_ab8500(parent) || is_ab8505(parent)) {
ret = ab8500_reg_clks(&pdev->dev);
} else if (is_ab8540(parent)) {
ret = ab8540_reg_clks(&pdev->dev);
} else if (is_ab9540(parent)) {
ret = ab9540_reg_clks(&pdev->dev);
} else {
dev_err(&pdev->dev, "non supported plf id\n");
return -ENODEV;
}
return ret;
}
static struct platform_driver abx500_clk_driver = {
.driver = {
.name = "abx500-clk",
.owner = THIS_MODULE,
},
.probe = abx500_clk_probe,
};
static int __init abx500_clk_init(void)
{
return platform_driver_register(&abx500_clk_driver);
}
arch_initcall(abx500_clk_init);
MODULE_AUTHOR("Ulf Hansson <ulf.hansson@linaro.org");
MODULE_DESCRIPTION("ABX500 clk driver");
MODULE_LICENSE("GPL v2");

163
drivers/clk/ux500/clk-prcc.c Normal file
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/*
* PRCC clock implementation for ux500 platform.
*
* Copyright (C) 2012 ST-Ericsson SA
* Author: Ulf Hansson <ulf.hansson@linaro.org>
*
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/clk-provider.h>
#include <linux/clk-private.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/err.h>
#include <linux/types.h>
#include "clk.h"
#define PRCC_PCKEN 0x000
#define PRCC_PCKDIS 0x004
#define PRCC_KCKEN 0x008
#define PRCC_KCKDIS 0x00C
#define PRCC_PCKSR 0x010
#define PRCC_KCKSR 0x014
#define to_clk_prcc(_hw) container_of(_hw, struct clk_prcc, hw)
struct clk_prcc {
struct clk_hw hw;
void __iomem *base;
u32 cg_sel;
int is_enabled;
};
/* PRCC clock operations. */
static int clk_prcc_pclk_enable(struct clk_hw *hw)
{
struct clk_prcc *clk = to_clk_prcc(hw);
writel(clk->cg_sel, (clk->base + PRCC_PCKEN));
while (!(readl(clk->base + PRCC_PCKSR) & clk->cg_sel))
cpu_relax();
clk->is_enabled = 1;
return 0;
}
static void clk_prcc_pclk_disable(struct clk_hw *hw)
{
struct clk_prcc *clk = to_clk_prcc(hw);
writel(clk->cg_sel, (clk->base + PRCC_PCKDIS));
clk->is_enabled = 0;
}
static int clk_prcc_kclk_enable(struct clk_hw *hw)
{
struct clk_prcc *clk = to_clk_prcc(hw);
writel(clk->cg_sel, (clk->base + PRCC_KCKEN));
while (!(readl(clk->base + PRCC_KCKSR) & clk->cg_sel))
cpu_relax();
clk->is_enabled = 1;
return 0;
}
static void clk_prcc_kclk_disable(struct clk_hw *hw)
{
struct clk_prcc *clk = to_clk_prcc(hw);
writel(clk->cg_sel, (clk->base + PRCC_KCKDIS));
clk->is_enabled = 0;
}
static int clk_prcc_is_enabled(struct clk_hw *hw)
{
struct clk_prcc *clk = to_clk_prcc(hw);
return clk->is_enabled;
}
static struct clk_ops clk_prcc_pclk_ops = {
.enable = clk_prcc_pclk_enable,
.disable = clk_prcc_pclk_disable,
.is_enabled = clk_prcc_is_enabled,
};
static struct clk_ops clk_prcc_kclk_ops = {
.enable = clk_prcc_kclk_enable,
.disable = clk_prcc_kclk_disable,
.is_enabled = clk_prcc_is_enabled,
};
static struct clk *clk_reg_prcc(const char *name,
const char *parent_name,
resource_size_t phy_base,
u32 cg_sel,
unsigned long flags,
struct clk_ops *clk_prcc_ops)
{
struct clk_prcc *clk;
struct clk_init_data clk_prcc_init;
struct clk *clk_reg;
if (!name) {
pr_err("clk_prcc: %s invalid arguments passed\n", __func__);
return ERR_PTR(-EINVAL);
}
clk = kzalloc(sizeof(struct clk_prcc), GFP_KERNEL);
if (!clk) {
pr_err("clk_prcc: %s could not allocate clk\n", __func__);
return ERR_PTR(-ENOMEM);
}
clk->base = ioremap(phy_base, SZ_4K);
if (!clk->base)
goto free_clk;
clk->cg_sel = cg_sel;
clk->is_enabled = 1;
clk_prcc_init.name = name;
clk_prcc_init.ops = clk_prcc_ops;
clk_prcc_init.flags = flags;
clk_prcc_init.parent_names = (parent_name ? &parent_name : NULL);
clk_prcc_init.num_parents = (parent_name ? 1 : 0);
clk->hw.init = &clk_prcc_init;
clk_reg = clk_register(NULL, &clk->hw);
if (IS_ERR_OR_NULL(clk_reg))
goto unmap_clk;
return clk_reg;
unmap_clk:
iounmap(clk->base);
free_clk:
kfree(clk);
pr_err("clk_prcc: %s failed to register clk\n", __func__);
return ERR_PTR(-ENOMEM);
}
struct clk *clk_reg_prcc_pclk(const char *name,
const char *parent_name,
resource_size_t phy_base,
u32 cg_sel,
unsigned long flags)
{
return clk_reg_prcc(name, parent_name, phy_base, cg_sel, flags,
&clk_prcc_pclk_ops);
}
struct clk *clk_reg_prcc_kclk(const char *name,
const char *parent_name,
resource_size_t phy_base,
u32 cg_sel,
unsigned long flags)
{
return clk_reg_prcc(name, parent_name, phy_base, cg_sel, flags,
&clk_prcc_kclk_ops);
}

350
drivers/clk/ux500/clk-prcmu.c Normal file
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/*
* PRCMU clock implementation for ux500 platform.
*
* Copyright (C) 2012 ST-Ericsson SA
* Author: Ulf Hansson <ulf.hansson@linaro.org>
*
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/clk-provider.h>
#include <linux/clk-private.h>
#include <linux/mfd/dbx500-prcmu.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/err.h>
#include "clk.h"
#define to_clk_prcmu(_hw) container_of(_hw, struct clk_prcmu, hw)
struct clk_prcmu {
struct clk_hw hw;
u8 cg_sel;
int is_prepared;
int is_enabled;
int opp_requested;
};
/* PRCMU clock operations. */
static int clk_prcmu_prepare(struct clk_hw *hw)
{
int ret;
struct clk_prcmu *clk = to_clk_prcmu(hw);
ret = prcmu_request_clock(clk->cg_sel, true);
if (!ret)
clk->is_prepared = 1;
return ret;
}
static void clk_prcmu_unprepare(struct clk_hw *hw)
{
struct clk_prcmu *clk = to_clk_prcmu(hw);
if (prcmu_request_clock(clk->cg_sel, false))
pr_err("clk_prcmu: %s failed to disable %s.\n", __func__,
__clk_get_name(hw->clk));
else
clk->is_prepared = 0;
}
static int clk_prcmu_is_prepared(struct clk_hw *hw)
{
struct clk_prcmu *clk = to_clk_prcmu(hw);
return clk->is_prepared;
}
static int clk_prcmu_enable(struct clk_hw *hw)
{
struct clk_prcmu *clk = to_clk_prcmu(hw);
clk->is_enabled = 1;
return 0;
}
static void clk_prcmu_disable(struct clk_hw *hw)
{
struct clk_prcmu *clk = to_clk_prcmu(hw);
clk->is_enabled = 0;
}
static int clk_prcmu_is_enabled(struct clk_hw *hw)
{
struct clk_prcmu *clk = to_clk_prcmu(hw);
return clk->is_enabled;
}
static unsigned long clk_prcmu_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct clk_prcmu *clk = to_clk_prcmu(hw);
return prcmu_clock_rate(clk->cg_sel);
}
static long clk_prcmu_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *parent_rate)
{
struct clk_prcmu *clk = to_clk_prcmu(hw);
return prcmu_round_clock_rate(clk->cg_sel, rate);
}
static int clk_prcmu_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct clk_prcmu *clk = to_clk_prcmu(hw);
return prcmu_set_clock_rate(clk->cg_sel, rate);
}
static int clk_prcmu_opp_prepare(struct clk_hw *hw)
{
int err;
struct clk_prcmu *clk = to_clk_prcmu(hw);
if (!clk->opp_requested) {
err = prcmu_qos_add_requirement(PRCMU_QOS_APE_OPP,
(char *)__clk_get_name(hw->clk),
100);
if (err) {
pr_err("clk_prcmu: %s fail req APE OPP for %s.\n",
__func__, __clk_get_name(hw->clk));
return err;
}
clk->opp_requested = 1;
}
err = prcmu_request_clock(clk->cg_sel, true);
if (err) {
prcmu_qos_remove_requirement(PRCMU_QOS_APE_OPP,
(char *)__clk_get_name(hw->clk));
clk->opp_requested = 0;
return err;
}
clk->is_prepared = 1;
return 0;
}
static void clk_prcmu_opp_unprepare(struct clk_hw *hw)
{
struct clk_prcmu *clk = to_clk_prcmu(hw);
if (prcmu_request_clock(clk->cg_sel, false)) {
pr_err("clk_prcmu: %s failed to disable %s.\n", __func__,
__clk_get_name(hw->clk));
return;
}
if (clk->opp_requested) {
prcmu_qos_remove_requirement(PRCMU_QOS_APE_OPP,
(char *)__clk_get_name(hw->clk));
clk->opp_requested = 0;
}
clk->is_prepared = 0;
}
static int clk_prcmu_opp_volt_prepare(struct clk_hw *hw)
{
int err;
struct clk_prcmu *clk = to_clk_prcmu(hw);
if (!clk->opp_requested) {
err = prcmu_request_ape_opp_100_voltage(true);
if (err) {
pr_err("clk_prcmu: %s fail req APE OPP VOLT for %s.\n",
__func__, __clk_get_name(hw->clk));
return err;
}
clk->opp_requested = 1;
}
err = prcmu_request_clock(clk->cg_sel, true);
if (err) {
prcmu_request_ape_opp_100_voltage(false);
clk->opp_requested = 0;
return err;
}
clk->is_prepared = 1;
return 0;
}
static void clk_prcmu_opp_volt_unprepare(struct clk_hw *hw)
{
struct clk_prcmu *clk = to_clk_prcmu(hw);
if (prcmu_request_clock(clk->cg_sel, false)) {
pr_err("clk_prcmu: %s failed to disable %s.\n", __func__,
__clk_get_name(hw->clk));
return;
}
if (clk->opp_requested) {
prcmu_request_ape_opp_100_voltage(false);
clk->opp_requested = 0;
}
clk->is_prepared = 0;
}
static struct clk_ops clk_prcmu_scalable_ops = {
.prepare = clk_prcmu_prepare,
.unprepare = clk_prcmu_unprepare,
.is_prepared = clk_prcmu_is_prepared,
.enable = clk_prcmu_enable,
.disable = clk_prcmu_disable,
.is_enabled = clk_prcmu_is_enabled,
.recalc_rate = clk_prcmu_recalc_rate,
.round_rate = clk_prcmu_round_rate,
.set_rate = clk_prcmu_set_rate,
};
static struct clk_ops clk_prcmu_gate_ops = {
.prepare = clk_prcmu_prepare,
.unprepare = clk_prcmu_unprepare,
.is_prepared = clk_prcmu_is_prepared,
.enable = clk_prcmu_enable,
.disable = clk_prcmu_disable,
.is_enabled = clk_prcmu_is_enabled,
.recalc_rate = clk_prcmu_recalc_rate,
};
static struct clk_ops clk_prcmu_scalable_rate_ops = {
.is_enabled = clk_prcmu_is_enabled,
.recalc_rate = clk_prcmu_recalc_rate,
.round_rate = clk_prcmu_round_rate,
.set_rate = clk_prcmu_set_rate,
};
static struct clk_ops clk_prcmu_rate_ops = {
.is_enabled = clk_prcmu_is_enabled,
.recalc_rate = clk_prcmu_recalc_rate,
};
static struct clk_ops clk_prcmu_opp_gate_ops = {
.prepare = clk_prcmu_opp_prepare,
.unprepare = clk_prcmu_opp_unprepare,
.is_prepared = clk_prcmu_is_prepared,
.enable = clk_prcmu_enable,
.disable = clk_prcmu_disable,
.is_enabled = clk_prcmu_is_enabled,
.recalc_rate = clk_prcmu_recalc_rate,
};
static struct clk_ops clk_prcmu_opp_volt_scalable_ops = {
.prepare = clk_prcmu_opp_volt_prepare,
.unprepare = clk_prcmu_opp_volt_unprepare,
.is_prepared = clk_prcmu_is_prepared,
.enable = clk_prcmu_enable,
.disable = clk_prcmu_disable,
.is_enabled = clk_prcmu_is_enabled,
.recalc_rate = clk_prcmu_recalc_rate,
.round_rate = clk_prcmu_round_rate,
.set_rate = clk_prcmu_set_rate,
};
static struct clk *clk_reg_prcmu(const char *name,
const char *parent_name,
u8 cg_sel,
unsigned long rate,
unsigned long flags,
struct clk_ops *clk_prcmu_ops)
{
struct clk_prcmu *clk;
struct clk_init_data clk_prcmu_init;
struct clk *clk_reg;
if (!name) {
pr_err("clk_prcmu: %s invalid arguments passed\n", __func__);
return ERR_PTR(-EINVAL);
}
clk = kzalloc(sizeof(struct clk_prcmu), GFP_KERNEL);
if (!clk) {
pr_err("clk_prcmu: %s could not allocate clk\n", __func__);
return ERR_PTR(-ENOMEM);
}
clk->cg_sel = cg_sel;
clk->is_prepared = 1;
clk->is_enabled = 1;
clk->opp_requested = 0;
/* "rate" can be used for changing the initial frequency */
if (rate)
prcmu_set_clock_rate(cg_sel, rate);
clk_prcmu_init.name = name;
clk_prcmu_init.ops = clk_prcmu_ops;
clk_prcmu_init.flags = flags;
clk_prcmu_init.parent_names = (parent_name ? &parent_name : NULL);
clk_prcmu_init.num_parents = (parent_name ? 1 : 0);
clk->hw.init = &clk_prcmu_init;
clk_reg = clk_register(NULL, &clk->hw);
if (IS_ERR_OR_NULL(clk_reg))
goto free_clk;
return clk_reg;
free_clk:
kfree(clk);
pr_err("clk_prcmu: %s failed to register clk\n", __func__);
return ERR_PTR(-ENOMEM);
}
struct clk *clk_reg_prcmu_scalable(const char *name,
const char *parent_name,
u8 cg_sel,
unsigned long rate,
unsigned long flags)
{
return clk_reg_prcmu(name, parent_name, cg_sel, rate, flags,
&clk_prcmu_scalable_ops);
}
struct clk *clk_reg_prcmu_gate(const char *name,
const char *parent_name,
u8 cg_sel,
unsigned long flags)
{
return clk_reg_prcmu(name, parent_name, cg_sel, 0, flags,
&clk_prcmu_gate_ops);
}
struct clk *clk_reg_prcmu_scalable_rate(const char *name,
const char *parent_name,
u8 cg_sel,
unsigned long rate,
unsigned long flags)
{
return clk_reg_prcmu(name, parent_name, cg_sel, rate, flags,
&clk_prcmu_scalable_rate_ops);
}
struct clk *clk_reg_prcmu_rate(const char *name,
const char *parent_name,
u8 cg_sel,
unsigned long flags)
{
return clk_reg_prcmu(name, parent_name, cg_sel, 0, flags,
&clk_prcmu_rate_ops);
}
struct clk *clk_reg_prcmu_opp_gate(const char *name,
const char *parent_name,
u8 cg_sel,
unsigned long flags)
{
return clk_reg_prcmu(name, parent_name, cg_sel, 0, flags,
&clk_prcmu_opp_gate_ops);
}
struct clk *clk_reg_prcmu_opp_volt_scalable(const char *name,
const char *parent_name,
u8 cg_sel,
unsigned long rate,
unsigned long flags)
{
return clk_reg_prcmu(name, parent_name, cg_sel, rate, flags,
&clk_prcmu_opp_volt_scalable_ops);
}

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drivers/clk/ux500/clk-sysctrl.c Normal file
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/*
* Sysctrl clock implementation for ux500 platform.
*
* Copyright (C) 2013 ST-Ericsson SA
* Author: Ulf Hansson <ulf.hansson@linaro.org>
*
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/clk-provider.h>
#include <linux/mfd/abx500/ab8500-sysctrl.h>
#include <linux/device.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/err.h>
#include "clk.h"
#define SYSCTRL_MAX_NUM_PARENTS 4
#define to_clk_sysctrl(_hw) container_of(_hw, struct clk_sysctrl, hw)
struct clk_sysctrl {
struct clk_hw hw;
struct device *dev;
u8 parent_index;
u16 reg_sel[SYSCTRL_MAX_NUM_PARENTS];
u8 reg_mask[SYSCTRL_MAX_NUM_PARENTS];
u8 reg_bits[SYSCTRL_MAX_NUM_PARENTS];
unsigned long rate;
unsigned long enable_delay_us;
};
/* Sysctrl clock operations. */
static int clk_sysctrl_prepare(struct clk_hw *hw)
{
int ret;
struct clk_sysctrl *clk = to_clk_sysctrl(hw);
ret = ab8500_sysctrl_write(clk->reg_sel[0], clk->reg_mask[0],
clk->reg_bits[0]);
if (!ret && clk->enable_delay_us)
usleep_range(clk->enable_delay_us, clk->enable_delay_us);
return ret;
}
static void clk_sysctrl_unprepare(struct clk_hw *hw)
{
struct clk_sysctrl *clk = to_clk_sysctrl(hw);
if (ab8500_sysctrl_clear(clk->reg_sel[0], clk->reg_mask[0]))
dev_err(clk->dev, "clk_sysctrl: %s fail to clear %s.\n",
__func__, __clk_get_name(hw->clk));
}
static unsigned long clk_sysctrl_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct clk_sysctrl *clk = to_clk_sysctrl(hw);
return clk->rate;
}
static int clk_sysctrl_set_parent(struct clk_hw *hw, u8 index)
{
struct clk_sysctrl *clk = to_clk_sysctrl(hw);
u8 old_index = clk->parent_index;
int ret = 0;
if (clk->reg_sel[old_index]) {
ret = ab8500_sysctrl_clear(clk->reg_sel[old_index],
clk->reg_mask[old_index]);
if (ret)
return ret;
}
if (clk->reg_sel[index]) {
ret = ab8500_sysctrl_write(clk->reg_sel[index],
clk->reg_mask[index],
clk->reg_bits[index]);
if (ret) {
if (clk->reg_sel[old_index])
ab8500_sysctrl_write(clk->reg_sel[old_index],
clk->reg_mask[old_index],
clk->reg_bits[old_index]);
return ret;
}
}
clk->parent_index = index;
return ret;
}
static u8 clk_sysctrl_get_parent(struct clk_hw *hw)
{
struct clk_sysctrl *clk = to_clk_sysctrl(hw);
return clk->parent_index;
}
static struct clk_ops clk_sysctrl_gate_ops = {
.prepare = clk_sysctrl_prepare,
.unprepare = clk_sysctrl_unprepare,
};
static struct clk_ops clk_sysctrl_gate_fixed_rate_ops = {
.prepare = clk_sysctrl_prepare,
.unprepare = clk_sysctrl_unprepare,
.recalc_rate = clk_sysctrl_recalc_rate,
};
static struct clk_ops clk_sysctrl_set_parent_ops = {
.set_parent = clk_sysctrl_set_parent,
.get_parent = clk_sysctrl_get_parent,
};
static struct clk *clk_reg_sysctrl(struct device *dev,
const char *name,
const char **parent_names,
u8 num_parents,
u16 *reg_sel,
u8 *reg_mask,
u8 *reg_bits,
unsigned long rate,
unsigned long enable_delay_us,
unsigned long flags,
struct clk_ops *clk_sysctrl_ops)
{
struct clk_sysctrl *clk;
struct clk_init_data clk_sysctrl_init;
struct clk *clk_reg;
int i;
if (!dev)
return ERR_PTR(-EINVAL);
if (!name || (num_parents > SYSCTRL_MAX_NUM_PARENTS)) {
dev_err(dev, "clk_sysctrl: invalid arguments passed\n");
return ERR_PTR(-EINVAL);
}
clk = devm_kzalloc(dev, sizeof(struct clk_sysctrl), GFP_KERNEL);
if (!clk) {
dev_err(dev, "clk_sysctrl: could not allocate clk\n");
return ERR_PTR(-ENOMEM);
}
/* set main clock registers */
clk->reg_sel[0] = reg_sel[0];
clk->reg_bits[0] = reg_bits[0];
clk->reg_mask[0] = reg_mask[0];
/* handle clocks with more than one parent */
for (i = 1; i < num_parents; i++) {
clk->reg_sel[i] = reg_sel[i];
clk->reg_bits[i] = reg_bits[i];
clk->reg_mask[i] = reg_mask[i];
}
clk->parent_index = 0;
clk->rate = rate;
clk->enable_delay_us = enable_delay_us;
clk->dev = dev;
clk_sysctrl_init.name = name;
clk_sysctrl_init.ops = clk_sysctrl_ops;
clk_sysctrl_init.flags = flags;
clk_sysctrl_init.parent_names = parent_names;
clk_sysctrl_init.num_parents = num_parents;
clk->hw.init = &clk_sysctrl_init;
clk_reg = devm_clk_register(clk->dev, &clk->hw);
if (IS_ERR(clk_reg))
dev_err(dev, "clk_sysctrl: clk_register failed\n");
return clk_reg;
}
struct clk *clk_reg_sysctrl_gate(struct device *dev,
const char *name,
const char *parent_name,
u16 reg_sel,
u8 reg_mask,
u8 reg_bits,
unsigned long enable_delay_us,
unsigned long flags)
{
const char **parent_names = (parent_name ? &parent_name : NULL);
u8 num_parents = (parent_name ? 1 : 0);
return clk_reg_sysctrl(dev, name, parent_names, num_parents,
&reg_sel, &reg_mask, &reg_bits, 0, enable_delay_us,
flags, &clk_sysctrl_gate_ops);
}
struct clk *clk_reg_sysctrl_gate_fixed_rate(struct device *dev,
const char *name,
const char *parent_name,
u16 reg_sel,
u8 reg_mask,
u8 reg_bits,
unsigned long rate,
unsigned long enable_delay_us,
unsigned long flags)
{
const char **parent_names = (parent_name ? &parent_name : NULL);
u8 num_parents = (parent_name ? 1 : 0);
return clk_reg_sysctrl(dev, name, parent_names, num_parents,
&reg_sel, &reg_mask, &reg_bits,
rate, enable_delay_us, flags,
&clk_sysctrl_gate_fixed_rate_ops);
}
struct clk *clk_reg_sysctrl_set_parent(struct device *dev,
const char *name,
const char **parent_names,
u8 num_parents,
u16 *reg_sel,
u8 *reg_mask,
u8 *reg_bits,
unsigned long flags)
{
return clk_reg_sysctrl(dev, name, parent_names, num_parents,
reg_sel, reg_mask, reg_bits, 0, 0, flags,
&clk_sysctrl_set_parent_ops);
}

90
drivers/clk/ux500/clk.h Normal file
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/*
* Clocks for ux500 platforms
*
* Copyright (C) 2012 ST-Ericsson SA
* Author: Ulf Hansson <ulf.hansson@linaro.org>
*
* License terms: GNU General Public License (GPL) version 2
*/
#ifndef __UX500_CLK_H
#define __UX500_CLK_H
#include <linux/clk.h>
#include <linux/device.h>
#include <linux/types.h>
struct clk *clk_reg_prcc_pclk(const char *name,
const char *parent_name,
resource_size_t phy_base,
u32 cg_sel,
unsigned long flags);
struct clk *clk_reg_prcc_kclk(const char *name,
const char *parent_name,
resource_size_t phy_base,
u32 cg_sel,
unsigned long flags);
struct clk *clk_reg_prcmu_scalable(const char *name,
const char *parent_name,
u8 cg_sel,
unsigned long rate,
unsigned long flags);
struct clk *clk_reg_prcmu_gate(const char *name,
const char *parent_name,
u8 cg_sel,
unsigned long flags);
struct clk *clk_reg_prcmu_scalable_rate(const char *name,
const char *parent_name,
u8 cg_sel,
unsigned long rate,
unsigned long flags);
struct clk *clk_reg_prcmu_rate(const char *name,
const char *parent_name,
u8 cg_sel,
unsigned long flags);
struct clk *clk_reg_prcmu_opp_gate(const char *name,
const char *parent_name,
u8 cg_sel,
unsigned long flags);
struct clk *clk_reg_prcmu_opp_volt_scalable(const char *name,
const char *parent_name,
u8 cg_sel,
unsigned long rate,
unsigned long flags);
struct clk *clk_reg_sysctrl_gate(struct device *dev,
const char *name,
const char *parent_name,
u16 reg_sel,
u8 reg_mask,
u8 reg_bits,
unsigned long enable_delay_us,
unsigned long flags);
struct clk *clk_reg_sysctrl_gate_fixed_rate(struct device *dev,
const char *name,
const char *parent_name,
u16 reg_sel,
u8 reg_mask,
u8 reg_bits,
unsigned long rate,
unsigned long enable_delay_us,
unsigned long flags);
struct clk *clk_reg_sysctrl_set_parent(struct device *dev,
const char *name,
const char **parent_names,
u8 num_parents,
u16 *reg_sel,
u8 *reg_mask,
u8 *reg_bits,
unsigned long flags);
#endif /* __UX500_CLK_H */

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drivers/clk/ux500/u8500_clk.c Normal file
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/*
* Clock definitions for u8500 platform.
*
* Copyright (C) 2012 ST-Ericsson SA
* Author: Ulf Hansson <ulf.hansson@linaro.org>
*
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#include <linux/mfd/dbx500-prcmu.h>
#include <linux/platform_data/clk-ux500.h>
#include "clk.h"
void u8500_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
u32 clkrst5_base, u32 clkrst6_base)
{
struct prcmu_fw_version *fw_version;
const char *sgaclk_parent = NULL;
struct clk *clk;
/* Clock sources */
clk = clk_reg_prcmu_gate("soc0_pll", NULL, PRCMU_PLLSOC0,
CLK_IS_ROOT|CLK_IGNORE_UNUSED);
clk_register_clkdev(clk, "soc0_pll", NULL);
clk = clk_reg_prcmu_gate("soc1_pll", NULL, PRCMU_PLLSOC1,
CLK_IS_ROOT|CLK_IGNORE_UNUSED);
clk_register_clkdev(clk, "soc1_pll", NULL);
clk = clk_reg_prcmu_gate("ddr_pll", NULL, PRCMU_PLLDDR,
CLK_IS_ROOT|CLK_IGNORE_UNUSED);
clk_register_clkdev(clk, "ddr_pll", NULL);
/* FIXME: Add sys, ulp and int clocks here. */
clk = clk_register_fixed_rate(NULL, "rtc32k", "NULL",
CLK_IS_ROOT|CLK_IGNORE_UNUSED,
32768);
clk_register_clkdev(clk, "clk32k", NULL);
clk_register_clkdev(clk, "apb_pclk", "rtc-pl031");
/* PRCMU clocks */
fw_version = prcmu_get_fw_version();
if (fw_version != NULL) {
switch (fw_version->project) {
case PRCMU_FW_PROJECT_U8500_C2:
case PRCMU_FW_PROJECT_U8520:
case PRCMU_FW_PROJECT_U8420:
sgaclk_parent = "soc0_pll";
break;
default:
break;
}
}
if (sgaclk_parent)
clk = clk_reg_prcmu_gate("sgclk", sgaclk_parent,
PRCMU_SGACLK, 0);
else
clk = clk_reg_prcmu_gate("sgclk", NULL,
PRCMU_SGACLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "mali");
clk = clk_reg_prcmu_gate("uartclk", NULL, PRCMU_UARTCLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "UART");
clk = clk_reg_prcmu_gate("msp02clk", NULL, PRCMU_MSP02CLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "MSP02");
clk = clk_reg_prcmu_gate("msp1clk", NULL, PRCMU_MSP1CLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "MSP1");
clk = clk_reg_prcmu_gate("i2cclk", NULL, PRCMU_I2CCLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "I2C");
clk = clk_reg_prcmu_gate("slimclk", NULL, PRCMU_SLIMCLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "slim");
clk = clk_reg_prcmu_gate("per1clk", NULL, PRCMU_PER1CLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "PERIPH1");
clk = clk_reg_prcmu_gate("per2clk", NULL, PRCMU_PER2CLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "PERIPH2");
clk = clk_reg_prcmu_gate("per3clk", NULL, PRCMU_PER3CLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "PERIPH3");
clk = clk_reg_prcmu_gate("per5clk", NULL, PRCMU_PER5CLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "PERIPH5");
clk = clk_reg_prcmu_gate("per6clk", NULL, PRCMU_PER6CLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "PERIPH6");
clk = clk_reg_prcmu_gate("per7clk", NULL, PRCMU_PER7CLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "PERIPH7");
clk = clk_reg_prcmu_scalable("lcdclk", NULL, PRCMU_LCDCLK, 0,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "lcd");
clk_register_clkdev(clk, "lcd", "mcde");
clk = clk_reg_prcmu_opp_gate("bmlclk", NULL, PRCMU_BMLCLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "bml");
clk = clk_reg_prcmu_scalable("hsitxclk", NULL, PRCMU_HSITXCLK, 0,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
clk = clk_reg_prcmu_scalable("hsirxclk", NULL, PRCMU_HSIRXCLK, 0,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
clk = clk_reg_prcmu_scalable("hdmiclk", NULL, PRCMU_HDMICLK, 0,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "hdmi");
clk_register_clkdev(clk, "hdmi", "mcde");
clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "apeat");
clk = clk_reg_prcmu_gate("apetraceclk", NULL, PRCMU_APETRACECLK,
CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "apetrace");
clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "mcde");
clk_register_clkdev(clk, "mcde", "mcde");
clk_register_clkdev(clk, "dsisys", "dsilink.0");
clk_register_clkdev(clk, "dsisys", "dsilink.1");
clk_register_clkdev(clk, "dsisys", "dsilink.2");
clk = clk_reg_prcmu_opp_gate("ipi2cclk", NULL, PRCMU_IPI2CCLK,
CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "ipi2");
clk = clk_reg_prcmu_gate("dsialtclk", NULL, PRCMU_DSIALTCLK,
CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "dsialt");
clk = clk_reg_prcmu_gate("dmaclk", NULL, PRCMU_DMACLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "dma40.0");
clk = clk_reg_prcmu_gate("b2r2clk", NULL, PRCMU_B2R2CLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "b2r2");
clk_register_clkdev(clk, NULL, "b2r2_core");
clk_register_clkdev(clk, NULL, "U8500-B2R2.0");
clk = clk_reg_prcmu_scalable("tvclk", NULL, PRCMU_TVCLK, 0,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "tv");
clk_register_clkdev(clk, "tv", "mcde");
clk = clk_reg_prcmu_gate("sspclk", NULL, PRCMU_SSPCLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "SSP");
clk = clk_reg_prcmu_gate("rngclk", NULL, PRCMU_RNGCLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "rngclk");
clk = clk_reg_prcmu_gate("uiccclk", NULL, PRCMU_UICCCLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "uicc");
clk = clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "mtu0");
clk_register_clkdev(clk, NULL, "mtu1");
clk = clk_reg_prcmu_opp_volt_scalable("sdmmcclk", NULL, PRCMU_SDMMCCLK,
100000000,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "sdmmc");
clk = clk_reg_prcmu_scalable("dsi_pll", "hdmiclk",
PRCMU_PLLDSI, 0, CLK_SET_RATE_GATE);
clk_register_clkdev(clk, "dsihs2", "mcde");
clk_register_clkdev(clk, "dsihs2", "dsilink.2");
clk = clk_reg_prcmu_scalable("dsi0clk", "dsi_pll",
PRCMU_DSI0CLK, 0, CLK_SET_RATE_GATE);
clk_register_clkdev(clk, "dsihs0", "mcde");
clk_register_clkdev(clk, "dsihs0", "dsilink.0");
clk = clk_reg_prcmu_scalable("dsi1clk", "dsi_pll",
PRCMU_DSI1CLK, 0, CLK_SET_RATE_GATE);
clk_register_clkdev(clk, "dsihs1", "mcde");
clk_register_clkdev(clk, "dsihs1", "dsilink.1");
clk = clk_reg_prcmu_scalable("dsi0escclk", "tvclk",
PRCMU_DSI0ESCCLK, 0, CLK_SET_RATE_GATE);
clk_register_clkdev(clk, "dsilp0", "dsilink.0");
clk_register_clkdev(clk, "dsilp0", "mcde");
clk = clk_reg_prcmu_scalable("dsi1escclk", "tvclk",
PRCMU_DSI1ESCCLK, 0, CLK_SET_RATE_GATE);
clk_register_clkdev(clk, "dsilp1", "dsilink.1");
clk_register_clkdev(clk, "dsilp1", "mcde");
clk = clk_reg_prcmu_scalable("dsi2escclk", "tvclk",
PRCMU_DSI2ESCCLK, 0, CLK_SET_RATE_GATE);
clk_register_clkdev(clk, "dsilp2", "dsilink.2");
clk_register_clkdev(clk, "dsilp2", "mcde");
clk = clk_reg_prcmu_scalable_rate("armss", NULL,
PRCMU_ARMSS, 0, CLK_IS_ROOT|CLK_IGNORE_UNUSED);
clk_register_clkdev(clk, "armss", NULL);
clk = clk_register_fixed_factor(NULL, "smp_twd", "armss",
CLK_IGNORE_UNUSED, 1, 2);
clk_register_clkdev(clk, NULL, "smp_twd");
/*
* FIXME: Add special handled PRCMU clocks here:
* 1. clkout0yuv, use PRCMU as parent + need regulator + pinctrl.
* 2. ab9540_clkout1yuv, see clkout0yuv
*/
/* PRCC P-clocks */
clk = clk_reg_prcc_pclk("p1_pclk0", "per1clk", clkrst1_base,
BIT(0), 0);
clk_register_clkdev(clk, "apb_pclk", "uart0");
clk = clk_reg_prcc_pclk("p1_pclk1", "per1clk", clkrst1_base,
BIT(1), 0);
clk_register_clkdev(clk, "apb_pclk", "uart1");
clk = clk_reg_prcc_pclk("p1_pclk2", "per1clk", clkrst1_base,
BIT(2), 0);
clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.1");
clk = clk_reg_prcc_pclk("p1_pclk3", "per1clk", clkrst1_base,
BIT(3), 0);
clk_register_clkdev(clk, "apb_pclk", "msp0");
clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.0");
clk = clk_reg_prcc_pclk("p1_pclk4", "per1clk", clkrst1_base,
BIT(4), 0);
clk_register_clkdev(clk, "apb_pclk", "msp1");
clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.1");
clk = clk_reg_prcc_pclk("p1_pclk5", "per1clk", clkrst1_base,
BIT(5), 0);
clk_register_clkdev(clk, "apb_pclk", "sdi0");
clk = clk_reg_prcc_pclk("p1_pclk6", "per1clk", clkrst1_base,
BIT(6), 0);
clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.2");
clk = clk_reg_prcc_pclk("p1_pclk7", "per1clk", clkrst1_base,
BIT(7), 0);
clk_register_clkdev(clk, NULL, "spi3");
clk = clk_reg_prcc_pclk("p1_pclk8", "per1clk", clkrst1_base,
BIT(8), 0);
clk_register_clkdev(clk, "apb_pclk", "slimbus0");
clk = clk_reg_prcc_pclk("p1_pclk9", "per1clk", clkrst1_base,
BIT(9), 0);
clk_register_clkdev(clk, NULL, "gpio.0");
clk_register_clkdev(clk, NULL, "gpio.1");
clk_register_clkdev(clk, NULL, "gpioblock0");
clk = clk_reg_prcc_pclk("p1_pclk10", "per1clk", clkrst1_base,
BIT(10), 0);
clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.4");
clk = clk_reg_prcc_pclk("p1_pclk11", "per1clk", clkrst1_base,
BIT(11), 0);
clk_register_clkdev(clk, "apb_pclk", "msp3");
clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.3");
clk = clk_reg_prcc_pclk("p2_pclk0", "per2clk", clkrst2_base,
BIT(0), 0);
clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.3");
clk = clk_reg_prcc_pclk("p2_pclk1", "per2clk", clkrst2_base,
BIT(1), 0);
clk_register_clkdev(clk, NULL, "spi2");
clk = clk_reg_prcc_pclk("p2_pclk2", "per2clk", clkrst2_base,
BIT(2), 0);
clk_register_clkdev(clk, NULL, "spi1");
clk = clk_reg_prcc_pclk("p2_pclk3", "per2clk", clkrst2_base,
BIT(3), 0);
clk_register_clkdev(clk, NULL, "pwl");
clk = clk_reg_prcc_pclk("p2_pclk4", "per2clk", clkrst2_base,
BIT(4), 0);
clk_register_clkdev(clk, "apb_pclk", "sdi4");
clk = clk_reg_prcc_pclk("p2_pclk5", "per2clk", clkrst2_base,
BIT(5), 0);
clk_register_clkdev(clk, "apb_pclk", "msp2");
clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.2");
clk = clk_reg_prcc_pclk("p2_pclk6", "per2clk", clkrst2_base,
BIT(6), 0);
clk_register_clkdev(clk, "apb_pclk", "sdi1");
clk = clk_reg_prcc_pclk("p2_pclk7", "per2clk", clkrst2_base,
BIT(7), 0);
clk_register_clkdev(clk, "apb_pclk", "sdi3");
clk = clk_reg_prcc_pclk("p2_pclk8", "per2clk", clkrst2_base,
BIT(8), 0);
clk_register_clkdev(clk, NULL, "spi0");
clk = clk_reg_prcc_pclk("p2_pclk9", "per2clk", clkrst2_base,
BIT(9), 0);
clk_register_clkdev(clk, "hsir_hclk", "ste_hsi.0");
clk = clk_reg_prcc_pclk("p2_pclk10", "per2clk", clkrst2_base,
BIT(10), 0);
clk_register_clkdev(clk, "hsit_hclk", "ste_hsi.0");
clk = clk_reg_prcc_pclk("p2_pclk11", "per2clk", clkrst2_base,
BIT(11), 0);
clk_register_clkdev(clk, NULL, "gpio.6");
clk_register_clkdev(clk, NULL, "gpio.7");
clk_register_clkdev(clk, NULL, "gpioblock1");
clk = clk_reg_prcc_pclk("p2_pclk12", "per2clk", clkrst2_base,
BIT(12), 0);
clk = clk_reg_prcc_pclk("p3_pclk0", "per3clk", clkrst3_base,
BIT(0), 0);
clk_register_clkdev(clk, "fsmc", NULL);
clk_register_clkdev(clk, NULL, "smsc911x.0");
clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", clkrst3_base,
BIT(1), 0);
clk_register_clkdev(clk, "apb_pclk", "ssp0");
clk = clk_reg_prcc_pclk("p3_pclk2", "per3clk", clkrst3_base,
BIT(2), 0);
clk_register_clkdev(clk, "apb_pclk", "ssp1");
clk = clk_reg_prcc_pclk("p3_pclk3", "per3clk", clkrst3_base,
BIT(3), 0);
clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.0");
clk = clk_reg_prcc_pclk("p3_pclk4", "per3clk", clkrst3_base,
BIT(4), 0);
clk_register_clkdev(clk, "apb_pclk", "sdi2");
clk = clk_reg_prcc_pclk("p3_pclk5", "per3clk", clkrst3_base,
BIT(5), 0);
clk_register_clkdev(clk, "apb_pclk", "ske");
clk_register_clkdev(clk, "apb_pclk", "nmk-ske-keypad");
clk = clk_reg_prcc_pclk("p3_pclk6", "per3clk", clkrst3_base,
BIT(6), 0);
clk_register_clkdev(clk, "apb_pclk", "uart2");
clk = clk_reg_prcc_pclk("p3_pclk7", "per3clk", clkrst3_base,
BIT(7), 0);
clk_register_clkdev(clk, "apb_pclk", "sdi5");
clk = clk_reg_prcc_pclk("p3_pclk8", "per3clk", clkrst3_base,
BIT(8), 0);
clk_register_clkdev(clk, NULL, "gpio.2");
clk_register_clkdev(clk, NULL, "gpio.3");
clk_register_clkdev(clk, NULL, "gpio.4");
clk_register_clkdev(clk, NULL, "gpio.5");
clk_register_clkdev(clk, NULL, "gpioblock2");
clk = clk_reg_prcc_pclk("p5_pclk0", "per5clk", clkrst5_base,
BIT(0), 0);
clk_register_clkdev(clk, "usb", "musb-ux500.0");
clk = clk_reg_prcc_pclk("p5_pclk1", "per5clk", clkrst5_base,
BIT(1), 0);
clk_register_clkdev(clk, NULL, "gpio.8");
clk_register_clkdev(clk, NULL, "gpioblock3");
clk = clk_reg_prcc_pclk("p6_pclk0", "per6clk", clkrst6_base,
BIT(0), 0);
clk_register_clkdev(clk, "apb_pclk", "rng");
clk = clk_reg_prcc_pclk("p6_pclk1", "per6clk", clkrst6_base,
BIT(1), 0);
clk_register_clkdev(clk, NULL, "cryp0");
clk_register_clkdev(clk, NULL, "cryp1");
clk = clk_reg_prcc_pclk("p6_pclk2", "per6clk", clkrst6_base,
BIT(2), 0);
clk_register_clkdev(clk, NULL, "hash0");
clk = clk_reg_prcc_pclk("p6_pclk3", "per6clk", clkrst6_base,
BIT(3), 0);
clk_register_clkdev(clk, NULL, "pka");
clk = clk_reg_prcc_pclk("p6_pclk4", "per6clk", clkrst6_base,
BIT(4), 0);
clk_register_clkdev(clk, NULL, "hash1");
clk = clk_reg_prcc_pclk("p6_pclk5", "per6clk", clkrst6_base,
BIT(5), 0);
clk_register_clkdev(clk, NULL, "cfgreg");
clk = clk_reg_prcc_pclk("p6_pclk6", "per6clk", clkrst6_base,
BIT(6), 0);
clk_register_clkdev(clk, "apb_pclk", "mtu0");
clk = clk_reg_prcc_pclk("p6_pclk7", "per6clk", clkrst6_base,
BIT(7), 0);
clk_register_clkdev(clk, "apb_pclk", "mtu1");
/* PRCC K-clocks
*
* FIXME: Some drivers requires PERPIH[n| to be automatically enabled
* by enabling just the K-clock, even if it is not a valid parent to
* the K-clock. Until drivers get fixed we might need some kind of
* "parent muxed join".
*/
/* Periph1 */
clk = clk_reg_prcc_kclk("p1_uart0_kclk", "uartclk",
clkrst1_base, BIT(0), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "uart0");
clk = clk_reg_prcc_kclk("p1_uart1_kclk", "uartclk",
clkrst1_base, BIT(1), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "uart1");
clk = clk_reg_prcc_kclk("p1_i2c1_kclk", "i2cclk",
clkrst1_base, BIT(2), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "nmk-i2c.1");
clk = clk_reg_prcc_kclk("p1_msp0_kclk", "msp02clk",
clkrst1_base, BIT(3), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "msp0");
clk_register_clkdev(clk, NULL, "ux500-msp-i2s.0");
clk = clk_reg_prcc_kclk("p1_msp1_kclk", "msp1clk",
clkrst1_base, BIT(4), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "msp1");
clk_register_clkdev(clk, NULL, "ux500-msp-i2s.1");
clk = clk_reg_prcc_kclk("p1_sdi0_kclk", "sdmmcclk",
clkrst1_base, BIT(5), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "sdi0");
clk = clk_reg_prcc_kclk("p1_i2c2_kclk", "i2cclk",
clkrst1_base, BIT(6), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "nmk-i2c.2");
clk = clk_reg_prcc_kclk("p1_slimbus0_kclk", "slimclk",
clkrst1_base, BIT(8), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "slimbus0");
clk = clk_reg_prcc_kclk("p1_i2c4_kclk", "i2cclk",
clkrst1_base, BIT(9), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "nmk-i2c.4");
clk = clk_reg_prcc_kclk("p1_msp3_kclk", "msp1clk",
clkrst1_base, BIT(10), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "msp3");
clk_register_clkdev(clk, NULL, "ux500-msp-i2s.3");
/* Periph2 */
clk = clk_reg_prcc_kclk("p2_i2c3_kclk", "i2cclk",
clkrst2_base, BIT(0), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "nmk-i2c.3");
clk = clk_reg_prcc_kclk("p2_sdi4_kclk", "sdmmcclk",
clkrst2_base, BIT(2), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "sdi4");
clk = clk_reg_prcc_kclk("p2_msp2_kclk", "msp02clk",
clkrst2_base, BIT(3), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "msp2");
clk_register_clkdev(clk, NULL, "ux500-msp-i2s.2");
clk = clk_reg_prcc_kclk("p2_sdi1_kclk", "sdmmcclk",
clkrst2_base, BIT(4), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "sdi1");
clk = clk_reg_prcc_kclk("p2_sdi3_kclk", "sdmmcclk",
clkrst2_base, BIT(5), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "sdi3");
/* Note that rate is received from parent. */
clk = clk_reg_prcc_kclk("p2_ssirx_kclk", "hsirxclk",
clkrst2_base, BIT(6),
CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
clk = clk_reg_prcc_kclk("p2_ssitx_kclk", "hsitxclk",
clkrst2_base, BIT(7),
CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
/* Periph3 */
clk = clk_reg_prcc_kclk("p3_ssp0_kclk", "sspclk",
clkrst3_base, BIT(1), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "ssp0");
clk = clk_reg_prcc_kclk("p3_ssp1_kclk", "sspclk",
clkrst3_base, BIT(2), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "ssp1");
clk = clk_reg_prcc_kclk("p3_i2c0_kclk", "i2cclk",
clkrst3_base, BIT(3), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "nmk-i2c.0");
clk = clk_reg_prcc_kclk("p3_sdi2_kclk", "sdmmcclk",
clkrst3_base, BIT(4), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "sdi2");
clk = clk_reg_prcc_kclk("p3_ske_kclk", "rtc32k",
clkrst3_base, BIT(5), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "ske");
clk_register_clkdev(clk, NULL, "nmk-ske-keypad");
clk = clk_reg_prcc_kclk("p3_uart2_kclk", "uartclk",
clkrst3_base, BIT(6), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "uart2");
clk = clk_reg_prcc_kclk("p3_sdi5_kclk", "sdmmcclk",
clkrst3_base, BIT(7), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "sdi5");
/* Periph6 */
clk = clk_reg_prcc_kclk("p3_rng_kclk", "rngclk",
clkrst6_base, BIT(0), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "rng");
}

560
drivers/clk/ux500/u8500_of_clk.c Normal file
View file

@ -0,0 +1,560 @@
/*
* Clock definitions for u8500 platform.
*
* Copyright (C) 2012 ST-Ericsson SA
* Author: Ulf Hansson <ulf.hansson@linaro.org>
*
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/of.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#include <linux/mfd/dbx500-prcmu.h>
#include <linux/platform_data/clk-ux500.h>
#include "clk.h"
#define PRCC_NUM_PERIPH_CLUSTERS 6
#define PRCC_PERIPHS_PER_CLUSTER 32
static struct clk *prcmu_clk[PRCMU_NUM_CLKS];
static struct clk *prcc_pclk[(PRCC_NUM_PERIPH_CLUSTERS + 1) * PRCC_PERIPHS_PER_CLUSTER];
static struct clk *prcc_kclk[(PRCC_NUM_PERIPH_CLUSTERS + 1) * PRCC_PERIPHS_PER_CLUSTER];
#define PRCC_SHOW(clk, base, bit) \
clk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit]
#define PRCC_PCLK_STORE(clk, base, bit) \
prcc_pclk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit] = clk
#define PRCC_KCLK_STORE(clk, base, bit) \
prcc_kclk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit] = clk
static struct clk *ux500_twocell_get(struct of_phandle_args *clkspec,
void *data)
{
struct clk **clk_data = data;
unsigned int base, bit;
if (clkspec->args_count != 2)
return ERR_PTR(-EINVAL);
base = clkspec->args[0];
bit = clkspec->args[1];
if (base != 1 && base != 2 && base != 3 && base != 5 && base != 6) {
pr_err("%s: invalid PRCC base %d\n", __func__, base);
return ERR_PTR(-EINVAL);
}
return PRCC_SHOW(clk_data, base, bit);
}
static const struct of_device_id u8500_clk_of_match[] = {
{ .compatible = "stericsson,u8500-clks", },
{ },
};
void u8500_of_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
u32 clkrst5_base, u32 clkrst6_base)
{
struct prcmu_fw_version *fw_version;
struct device_node *np = NULL;
struct device_node *child = NULL;
const char *sgaclk_parent = NULL;
struct clk *clk, *rtc_clk, *twd_clk;
if (of_have_populated_dt())
np = of_find_matching_node(NULL, u8500_clk_of_match);
if (!np) {
pr_err("Either DT or U8500 Clock node not found\n");
return;
}
/* Clock sources */
clk = clk_reg_prcmu_gate("soc0_pll", NULL, PRCMU_PLLSOC0,
CLK_IS_ROOT|CLK_IGNORE_UNUSED);
prcmu_clk[PRCMU_PLLSOC0] = clk;
clk = clk_reg_prcmu_gate("soc1_pll", NULL, PRCMU_PLLSOC1,
CLK_IS_ROOT|CLK_IGNORE_UNUSED);
prcmu_clk[PRCMU_PLLSOC1] = clk;
clk = clk_reg_prcmu_gate("ddr_pll", NULL, PRCMU_PLLDDR,
CLK_IS_ROOT|CLK_IGNORE_UNUSED);
prcmu_clk[PRCMU_PLLDDR] = clk;
/* FIXME: Add sys, ulp and int clocks here. */
rtc_clk = clk_register_fixed_rate(NULL, "rtc32k", "NULL",
CLK_IS_ROOT|CLK_IGNORE_UNUSED,
32768);
/* PRCMU clocks */
fw_version = prcmu_get_fw_version();
if (fw_version != NULL) {
switch (fw_version->project) {
case PRCMU_FW_PROJECT_U8500_C2:
case PRCMU_FW_PROJECT_U8520:
case PRCMU_FW_PROJECT_U8420:
sgaclk_parent = "soc0_pll";
break;
default:
break;
}
}
if (sgaclk_parent)
clk = clk_reg_prcmu_gate("sgclk", sgaclk_parent,
PRCMU_SGACLK, 0);
else
clk = clk_reg_prcmu_gate("sgclk", NULL,
PRCMU_SGACLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_SGACLK] = clk;
clk = clk_reg_prcmu_gate("uartclk", NULL, PRCMU_UARTCLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_UARTCLK] = clk;
clk = clk_reg_prcmu_gate("msp02clk", NULL, PRCMU_MSP02CLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_MSP02CLK] = clk;
clk = clk_reg_prcmu_gate("msp1clk", NULL, PRCMU_MSP1CLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_MSP1CLK] = clk;
clk = clk_reg_prcmu_gate("i2cclk", NULL, PRCMU_I2CCLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_I2CCLK] = clk;
clk = clk_reg_prcmu_gate("slimclk", NULL, PRCMU_SLIMCLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_SLIMCLK] = clk;
clk = clk_reg_prcmu_gate("per1clk", NULL, PRCMU_PER1CLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_PER1CLK] = clk;
clk = clk_reg_prcmu_gate("per2clk", NULL, PRCMU_PER2CLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_PER2CLK] = clk;
clk = clk_reg_prcmu_gate("per3clk", NULL, PRCMU_PER3CLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_PER3CLK] = clk;
clk = clk_reg_prcmu_gate("per5clk", NULL, PRCMU_PER5CLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_PER5CLK] = clk;
clk = clk_reg_prcmu_gate("per6clk", NULL, PRCMU_PER6CLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_PER6CLK] = clk;
clk = clk_reg_prcmu_gate("per7clk", NULL, PRCMU_PER7CLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_PER7CLK] = clk;
clk = clk_reg_prcmu_scalable("lcdclk", NULL, PRCMU_LCDCLK, 0,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
prcmu_clk[PRCMU_LCDCLK] = clk;
clk = clk_reg_prcmu_opp_gate("bmlclk", NULL, PRCMU_BMLCLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_BMLCLK] = clk;
clk = clk_reg_prcmu_scalable("hsitxclk", NULL, PRCMU_HSITXCLK, 0,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
prcmu_clk[PRCMU_HSITXCLK] = clk;
clk = clk_reg_prcmu_scalable("hsirxclk", NULL, PRCMU_HSIRXCLK, 0,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
prcmu_clk[PRCMU_HSIRXCLK] = clk;
clk = clk_reg_prcmu_scalable("hdmiclk", NULL, PRCMU_HDMICLK, 0,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
prcmu_clk[PRCMU_HDMICLK] = clk;
clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_APEATCLK] = clk;
clk = clk_reg_prcmu_gate("apetraceclk", NULL, PRCMU_APETRACECLK,
CLK_IS_ROOT);
prcmu_clk[PRCMU_APETRACECLK] = clk;
clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_MCDECLK] = clk;
clk = clk_reg_prcmu_opp_gate("ipi2cclk", NULL, PRCMU_IPI2CCLK,
CLK_IS_ROOT);
prcmu_clk[PRCMU_IPI2CCLK] = clk;
clk = clk_reg_prcmu_gate("dsialtclk", NULL, PRCMU_DSIALTCLK,
CLK_IS_ROOT);
prcmu_clk[PRCMU_DSIALTCLK] = clk;
clk = clk_reg_prcmu_gate("dmaclk", NULL, PRCMU_DMACLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_DMACLK] = clk;
clk = clk_reg_prcmu_gate("b2r2clk", NULL, PRCMU_B2R2CLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_B2R2CLK] = clk;
clk = clk_reg_prcmu_scalable("tvclk", NULL, PRCMU_TVCLK, 0,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
prcmu_clk[PRCMU_TVCLK] = clk;
clk = clk_reg_prcmu_gate("sspclk", NULL, PRCMU_SSPCLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_SSPCLK] = clk;
clk = clk_reg_prcmu_gate("rngclk", NULL, PRCMU_RNGCLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_RNGCLK] = clk;
clk = clk_reg_prcmu_gate("uiccclk", NULL, PRCMU_UICCCLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_UICCCLK] = clk;
clk = clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, CLK_IS_ROOT);
prcmu_clk[PRCMU_TIMCLK] = clk;
clk = clk_reg_prcmu_opp_volt_scalable("sdmmcclk", NULL, PRCMU_SDMMCCLK,
100000000,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
prcmu_clk[PRCMU_SDMMCCLK] = clk;
clk = clk_reg_prcmu_scalable("dsi_pll", "hdmiclk",
PRCMU_PLLDSI, 0, CLK_SET_RATE_GATE);
prcmu_clk[PRCMU_PLLDSI] = clk;
clk = clk_reg_prcmu_scalable("dsi0clk", "dsi_pll",
PRCMU_DSI0CLK, 0, CLK_SET_RATE_GATE);
prcmu_clk[PRCMU_DSI0CLK] = clk;
clk = clk_reg_prcmu_scalable("dsi1clk", "dsi_pll",
PRCMU_DSI1CLK, 0, CLK_SET_RATE_GATE);
prcmu_clk[PRCMU_DSI1CLK] = clk;
clk = clk_reg_prcmu_scalable("dsi0escclk", "tvclk",
PRCMU_DSI0ESCCLK, 0, CLK_SET_RATE_GATE);
prcmu_clk[PRCMU_DSI0ESCCLK] = clk;
clk = clk_reg_prcmu_scalable("dsi1escclk", "tvclk",
PRCMU_DSI1ESCCLK, 0, CLK_SET_RATE_GATE);
prcmu_clk[PRCMU_DSI1ESCCLK] = clk;
clk = clk_reg_prcmu_scalable("dsi2escclk", "tvclk",
PRCMU_DSI2ESCCLK, 0, CLK_SET_RATE_GATE);
prcmu_clk[PRCMU_DSI2ESCCLK] = clk;
clk = clk_reg_prcmu_scalable_rate("armss", NULL,
PRCMU_ARMSS, 0, CLK_IS_ROOT|CLK_IGNORE_UNUSED);
prcmu_clk[PRCMU_ARMSS] = clk;
twd_clk = clk_register_fixed_factor(NULL, "smp_twd", "armss",
CLK_IGNORE_UNUSED, 1, 2);
/*
* FIXME: Add special handled PRCMU clocks here:
* 1. clkout0yuv, use PRCMU as parent + need regulator + pinctrl.
* 2. ab9540_clkout1yuv, see clkout0yuv
*/
/* PRCC P-clocks */
clk = clk_reg_prcc_pclk("p1_pclk0", "per1clk", clkrst1_base,
BIT(0), 0);
PRCC_PCLK_STORE(clk, 1, 0);
clk = clk_reg_prcc_pclk("p1_pclk1", "per1clk", clkrst1_base,
BIT(1), 0);
PRCC_PCLK_STORE(clk, 1, 1);
clk = clk_reg_prcc_pclk("p1_pclk2", "per1clk", clkrst1_base,
BIT(2), 0);
PRCC_PCLK_STORE(clk, 1, 2);
clk = clk_reg_prcc_pclk("p1_pclk3", "per1clk", clkrst1_base,
BIT(3), 0);
PRCC_PCLK_STORE(clk, 1, 3);
clk = clk_reg_prcc_pclk("p1_pclk4", "per1clk", clkrst1_base,
BIT(4), 0);
PRCC_PCLK_STORE(clk, 1, 4);
clk = clk_reg_prcc_pclk("p1_pclk5", "per1clk", clkrst1_base,
BIT(5), 0);
PRCC_PCLK_STORE(clk, 1, 5);
clk = clk_reg_prcc_pclk("p1_pclk6", "per1clk", clkrst1_base,
BIT(6), 0);
PRCC_PCLK_STORE(clk, 1, 6);
clk = clk_reg_prcc_pclk("p1_pclk7", "per1clk", clkrst1_base,
BIT(7), 0);
PRCC_PCLK_STORE(clk, 1, 7);
clk = clk_reg_prcc_pclk("p1_pclk8", "per1clk", clkrst1_base,
BIT(8), 0);
PRCC_PCLK_STORE(clk, 1, 8);
clk = clk_reg_prcc_pclk("p1_pclk9", "per1clk", clkrst1_base,
BIT(9), 0);
PRCC_PCLK_STORE(clk, 1, 9);
clk = clk_reg_prcc_pclk("p1_pclk10", "per1clk", clkrst1_base,
BIT(10), 0);
PRCC_PCLK_STORE(clk, 1, 10);
clk = clk_reg_prcc_pclk("p1_pclk11", "per1clk", clkrst1_base,
BIT(11), 0);
PRCC_PCLK_STORE(clk, 1, 11);
clk = clk_reg_prcc_pclk("p2_pclk0", "per2clk", clkrst2_base,
BIT(0), 0);
PRCC_PCLK_STORE(clk, 2, 0);
clk = clk_reg_prcc_pclk("p2_pclk1", "per2clk", clkrst2_base,
BIT(1), 0);
PRCC_PCLK_STORE(clk, 2, 1);
clk = clk_reg_prcc_pclk("p2_pclk2", "per2clk", clkrst2_base,
BIT(2), 0);
PRCC_PCLK_STORE(clk, 2, 2);
clk = clk_reg_prcc_pclk("p2_pclk3", "per2clk", clkrst2_base,
BIT(3), 0);
PRCC_PCLK_STORE(clk, 2, 3);
clk = clk_reg_prcc_pclk("p2_pclk4", "per2clk", clkrst2_base,
BIT(4), 0);
PRCC_PCLK_STORE(clk, 2, 4);
clk = clk_reg_prcc_pclk("p2_pclk5", "per2clk", clkrst2_base,
BIT(5), 0);
PRCC_PCLK_STORE(clk, 2, 5);
clk = clk_reg_prcc_pclk("p2_pclk6", "per2clk", clkrst2_base,
BIT(6), 0);
PRCC_PCLK_STORE(clk, 2, 6);
clk = clk_reg_prcc_pclk("p2_pclk7", "per2clk", clkrst2_base,
BIT(7), 0);
PRCC_PCLK_STORE(clk, 2, 7);
clk = clk_reg_prcc_pclk("p2_pclk8", "per2clk", clkrst2_base,
BIT(8), 0);
PRCC_PCLK_STORE(clk, 2, 8);
clk = clk_reg_prcc_pclk("p2_pclk9", "per2clk", clkrst2_base,
BIT(9), 0);
PRCC_PCLK_STORE(clk, 2, 9);
clk = clk_reg_prcc_pclk("p2_pclk10", "per2clk", clkrst2_base,
BIT(10), 0);
PRCC_PCLK_STORE(clk, 2, 10);
clk = clk_reg_prcc_pclk("p2_pclk11", "per2clk", clkrst2_base,
BIT(11), 0);
PRCC_PCLK_STORE(clk, 2, 11);
clk = clk_reg_prcc_pclk("p2_pclk12", "per2clk", clkrst2_base,
BIT(12), 0);
PRCC_PCLK_STORE(clk, 2, 12);
clk = clk_reg_prcc_pclk("p3_pclk0", "per3clk", clkrst3_base,
BIT(0), 0);
PRCC_PCLK_STORE(clk, 3, 0);
clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", clkrst3_base,
BIT(1), 0);
PRCC_PCLK_STORE(clk, 3, 1);
clk = clk_reg_prcc_pclk("p3_pclk2", "per3clk", clkrst3_base,
BIT(2), 0);
PRCC_PCLK_STORE(clk, 3, 2);
clk = clk_reg_prcc_pclk("p3_pclk3", "per3clk", clkrst3_base,
BIT(3), 0);
PRCC_PCLK_STORE(clk, 3, 3);
clk = clk_reg_prcc_pclk("p3_pclk4", "per3clk", clkrst3_base,
BIT(4), 0);
PRCC_PCLK_STORE(clk, 3, 4);
clk = clk_reg_prcc_pclk("p3_pclk5", "per3clk", clkrst3_base,
BIT(5), 0);
PRCC_PCLK_STORE(clk, 3, 5);
clk = clk_reg_prcc_pclk("p3_pclk6", "per3clk", clkrst3_base,
BIT(6), 0);
PRCC_PCLK_STORE(clk, 3, 6);
clk = clk_reg_prcc_pclk("p3_pclk7", "per3clk", clkrst3_base,
BIT(7), 0);
PRCC_PCLK_STORE(clk, 3, 7);
clk = clk_reg_prcc_pclk("p3_pclk8", "per3clk", clkrst3_base,
BIT(8), 0);
PRCC_PCLK_STORE(clk, 3, 8);
clk = clk_reg_prcc_pclk("p5_pclk0", "per5clk", clkrst5_base,
BIT(0), 0);
PRCC_PCLK_STORE(clk, 5, 0);
clk = clk_reg_prcc_pclk("p5_pclk1", "per5clk", clkrst5_base,
BIT(1), 0);
PRCC_PCLK_STORE(clk, 5, 1);
clk = clk_reg_prcc_pclk("p6_pclk0", "per6clk", clkrst6_base,
BIT(0), 0);
PRCC_PCLK_STORE(clk, 6, 0);
clk = clk_reg_prcc_pclk("p6_pclk1", "per6clk", clkrst6_base,
BIT(1), 0);
PRCC_PCLK_STORE(clk, 6, 1);
clk = clk_reg_prcc_pclk("p6_pclk2", "per6clk", clkrst6_base,
BIT(2), 0);
PRCC_PCLK_STORE(clk, 6, 2);
clk = clk_reg_prcc_pclk("p6_pclk3", "per6clk", clkrst6_base,
BIT(3), 0);
PRCC_PCLK_STORE(clk, 6, 3);
clk = clk_reg_prcc_pclk("p6_pclk4", "per6clk", clkrst6_base,
BIT(4), 0);
PRCC_PCLK_STORE(clk, 6, 4);
clk = clk_reg_prcc_pclk("p6_pclk5", "per6clk", clkrst6_base,
BIT(5), 0);
PRCC_PCLK_STORE(clk, 6, 5);
clk = clk_reg_prcc_pclk("p6_pclk6", "per6clk", clkrst6_base,
BIT(6), 0);
PRCC_PCLK_STORE(clk, 6, 6);
clk = clk_reg_prcc_pclk("p6_pclk7", "per6clk", clkrst6_base,
BIT(7), 0);
PRCC_PCLK_STORE(clk, 6, 7);
/* PRCC K-clocks
*
* FIXME: Some drivers requires PERPIH[n| to be automatically enabled
* by enabling just the K-clock, even if it is not a valid parent to
* the K-clock. Until drivers get fixed we might need some kind of
* "parent muxed join".
*/
/* Periph1 */
clk = clk_reg_prcc_kclk("p1_uart0_kclk", "uartclk",
clkrst1_base, BIT(0), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 1, 0);
clk = clk_reg_prcc_kclk("p1_uart1_kclk", "uartclk",
clkrst1_base, BIT(1), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 1, 1);
clk = clk_reg_prcc_kclk("p1_i2c1_kclk", "i2cclk",
clkrst1_base, BIT(2), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 1, 2);
clk = clk_reg_prcc_kclk("p1_msp0_kclk", "msp02clk",
clkrst1_base, BIT(3), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 1, 3);
clk = clk_reg_prcc_kclk("p1_msp1_kclk", "msp1clk",
clkrst1_base, BIT(4), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 1, 4);
clk = clk_reg_prcc_kclk("p1_sdi0_kclk", "sdmmcclk",
clkrst1_base, BIT(5), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 1, 5);
clk = clk_reg_prcc_kclk("p1_i2c2_kclk", "i2cclk",
clkrst1_base, BIT(6), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 1, 6);
clk = clk_reg_prcc_kclk("p1_slimbus0_kclk", "slimclk",
clkrst1_base, BIT(8), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 1, 8);
clk = clk_reg_prcc_kclk("p1_i2c4_kclk", "i2cclk",
clkrst1_base, BIT(9), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 1, 9);
clk = clk_reg_prcc_kclk("p1_msp3_kclk", "msp1clk",
clkrst1_base, BIT(10), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 1, 10);
/* Periph2 */
clk = clk_reg_prcc_kclk("p2_i2c3_kclk", "i2cclk",
clkrst2_base, BIT(0), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 2, 0);
clk = clk_reg_prcc_kclk("p2_sdi4_kclk", "sdmmcclk",
clkrst2_base, BIT(2), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 2, 2);
clk = clk_reg_prcc_kclk("p2_msp2_kclk", "msp02clk",
clkrst2_base, BIT(3), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 2, 3);
clk = clk_reg_prcc_kclk("p2_sdi1_kclk", "sdmmcclk",
clkrst2_base, BIT(4), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 2, 4);
clk = clk_reg_prcc_kclk("p2_sdi3_kclk", "sdmmcclk",
clkrst2_base, BIT(5), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 2, 5);
/* Note that rate is received from parent. */
clk = clk_reg_prcc_kclk("p2_ssirx_kclk", "hsirxclk",
clkrst2_base, BIT(6),
CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
PRCC_KCLK_STORE(clk, 2, 6);
clk = clk_reg_prcc_kclk("p2_ssitx_kclk", "hsitxclk",
clkrst2_base, BIT(7),
CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
PRCC_KCLK_STORE(clk, 2, 7);
/* Periph3 */
clk = clk_reg_prcc_kclk("p3_ssp0_kclk", "sspclk",
clkrst3_base, BIT(1), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 3, 1);
clk = clk_reg_prcc_kclk("p3_ssp1_kclk", "sspclk",
clkrst3_base, BIT(2), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 3, 2);
clk = clk_reg_prcc_kclk("p3_i2c0_kclk", "i2cclk",
clkrst3_base, BIT(3), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 3, 3);
clk = clk_reg_prcc_kclk("p3_sdi2_kclk", "sdmmcclk",
clkrst3_base, BIT(4), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 3, 4);
clk = clk_reg_prcc_kclk("p3_ske_kclk", "rtc32k",
clkrst3_base, BIT(5), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 3, 5);
clk = clk_reg_prcc_kclk("p3_uart2_kclk", "uartclk",
clkrst3_base, BIT(6), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 3, 6);
clk = clk_reg_prcc_kclk("p3_sdi5_kclk", "sdmmcclk",
clkrst3_base, BIT(7), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 3, 7);
/* Periph6 */
clk = clk_reg_prcc_kclk("p3_rng_kclk", "rngclk",
clkrst6_base, BIT(0), CLK_SET_RATE_GATE);
PRCC_KCLK_STORE(clk, 6, 0);
for_each_child_of_node(np, child) {
static struct clk_onecell_data clk_data;
if (!of_node_cmp(child->name, "prcmu-clock")) {
clk_data.clks = prcmu_clk;
clk_data.clk_num = ARRAY_SIZE(prcmu_clk);
of_clk_add_provider(child, of_clk_src_onecell_get, &clk_data);
}
if (!of_node_cmp(child->name, "prcc-periph-clock"))
of_clk_add_provider(child, ux500_twocell_get, prcc_pclk);
if (!of_node_cmp(child->name, "prcc-kernel-clock"))
of_clk_add_provider(child, ux500_twocell_get, prcc_kclk);
if (!of_node_cmp(child->name, "rtc32k-clock"))
of_clk_add_provider(child, of_clk_src_simple_get, rtc_clk);
if (!of_node_cmp(child->name, "smp-twd-clock"))
of_clk_add_provider(child, of_clk_src_simple_get, twd_clk);
}
}

579
drivers/clk/ux500/u8540_clk.c Normal file
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@ -0,0 +1,579 @@
/*
* Clock definitions for u8540 platform.
*
* Copyright (C) 2012 ST-Ericsson SA
* Author: Ulf Hansson <ulf.hansson@linaro.org>
*
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#include <linux/mfd/dbx500-prcmu.h>
#include <linux/platform_data/clk-ux500.h>
#include "clk.h"
void u8540_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
u32 clkrst5_base, u32 clkrst6_base)
{
struct clk *clk;
/* Clock sources. */
/* Fixed ClockGen */
clk = clk_reg_prcmu_gate("soc0_pll", NULL, PRCMU_PLLSOC0,
CLK_IS_ROOT|CLK_IGNORE_UNUSED);
clk_register_clkdev(clk, "soc0_pll", NULL);
clk = clk_reg_prcmu_gate("soc1_pll", NULL, PRCMU_PLLSOC1,
CLK_IS_ROOT|CLK_IGNORE_UNUSED);
clk_register_clkdev(clk, "soc1_pll", NULL);
clk = clk_reg_prcmu_gate("ddr_pll", NULL, PRCMU_PLLDDR,
CLK_IS_ROOT|CLK_IGNORE_UNUSED);
clk_register_clkdev(clk, "ddr_pll", NULL);
clk = clk_register_fixed_rate(NULL, "rtc32k", NULL,
CLK_IS_ROOT|CLK_IGNORE_UNUSED,
32768);
clk_register_clkdev(clk, "clk32k", NULL);
clk_register_clkdev(clk, "apb_pclk", "rtc-pl031");
clk = clk_register_fixed_rate(NULL, "ulp38m4", NULL,
CLK_IS_ROOT|CLK_IGNORE_UNUSED,
38400000);
clk = clk_reg_prcmu_gate("uartclk", NULL, PRCMU_UARTCLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "UART");
/* msp02clk needs a abx500 clk as parent. Handle by abx500 clk driver */
clk = clk_reg_prcmu_gate("msp02clk", "ab9540_sysclk12_b1",
PRCMU_MSP02CLK, 0);
clk_register_clkdev(clk, NULL, "MSP02");
clk = clk_reg_prcmu_gate("msp1clk", NULL, PRCMU_MSP1CLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "MSP1");
clk = clk_reg_prcmu_gate("i2cclk", NULL, PRCMU_I2CCLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "I2C");
clk = clk_reg_prcmu_gate("slimclk", NULL, PRCMU_SLIMCLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "slim");
clk = clk_reg_prcmu_gate("per1clk", NULL, PRCMU_PER1CLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "PERIPH1");
clk = clk_reg_prcmu_gate("per2clk", NULL, PRCMU_PER2CLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "PERIPH2");
clk = clk_reg_prcmu_gate("per3clk", NULL, PRCMU_PER3CLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "PERIPH3");
clk = clk_reg_prcmu_gate("per5clk", NULL, PRCMU_PER5CLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "PERIPH5");
clk = clk_reg_prcmu_gate("per6clk", NULL, PRCMU_PER6CLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "PERIPH6");
clk = clk_reg_prcmu_gate("per7clk", NULL, PRCMU_PER7CLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "PERIPH7");
clk = clk_reg_prcmu_scalable("lcdclk", NULL, PRCMU_LCDCLK, 0,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "lcd");
clk_register_clkdev(clk, "lcd", "mcde");
clk = clk_reg_prcmu_opp_gate("bmlclk", NULL, PRCMU_BMLCLK,
CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "bml");
clk = clk_reg_prcmu_scalable("hsitxclk", NULL, PRCMU_HSITXCLK, 0,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
clk = clk_reg_prcmu_scalable("hsirxclk", NULL, PRCMU_HSIRXCLK, 0,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
clk = clk_reg_prcmu_scalable("hdmiclk", NULL, PRCMU_HDMICLK, 0,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "hdmi");
clk_register_clkdev(clk, "hdmi", "mcde");
clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "apeat");
clk = clk_reg_prcmu_gate("apetraceclk", NULL, PRCMU_APETRACECLK,
CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "apetrace");
clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "mcde");
clk_register_clkdev(clk, "mcde", "mcde");
clk_register_clkdev(clk, NULL, "dsilink.0");
clk_register_clkdev(clk, NULL, "dsilink.1");
clk_register_clkdev(clk, NULL, "dsilink.2");
clk = clk_reg_prcmu_opp_gate("ipi2cclk", NULL, PRCMU_IPI2CCLK,
CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "ipi2");
clk = clk_reg_prcmu_gate("dsialtclk", NULL, PRCMU_DSIALTCLK,
CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "dsialt");
clk = clk_reg_prcmu_gate("dmaclk", NULL, PRCMU_DMACLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "dma40.0");
clk = clk_reg_prcmu_gate("b2r2clk", NULL, PRCMU_B2R2CLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "b2r2");
clk_register_clkdev(clk, NULL, "b2r2_core");
clk_register_clkdev(clk, NULL, "U8500-B2R2.0");
clk_register_clkdev(clk, NULL, "b2r2_1_core");
clk = clk_reg_prcmu_scalable("tvclk", NULL, PRCMU_TVCLK, 0,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "tv");
clk_register_clkdev(clk, "tv", "mcde");
clk = clk_reg_prcmu_gate("sspclk", NULL, PRCMU_SSPCLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "SSP");
clk = clk_reg_prcmu_gate("rngclk", NULL, PRCMU_RNGCLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "rngclk");
clk = clk_reg_prcmu_gate("uiccclk", NULL, PRCMU_UICCCLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "uicc");
clk = clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "mtu0");
clk_register_clkdev(clk, NULL, "mtu1");
clk = clk_reg_prcmu_opp_volt_scalable("sdmmcclk", NULL,
PRCMU_SDMMCCLK, 100000000,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "sdmmc");
clk = clk_reg_prcmu_opp_volt_scalable("sdmmchclk", NULL,
PRCMU_SDMMCHCLK, 400000000,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "sdmmchclk");
clk = clk_reg_prcmu_gate("hvaclk", NULL, PRCMU_HVACLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "hva");
clk = clk_reg_prcmu_gate("g1clk", NULL, PRCMU_G1CLK, CLK_IS_ROOT);
clk_register_clkdev(clk, NULL, "g1");
clk = clk_reg_prcmu_scalable("spare1clk", NULL, PRCMU_SPARE1CLK, 0,
CLK_IS_ROOT|CLK_SET_RATE_GATE);
clk_register_clkdev(clk, "dsilcd", "mcde");
clk = clk_reg_prcmu_scalable("dsi_pll", "hdmiclk",
PRCMU_PLLDSI, 0, CLK_SET_RATE_GATE);
clk_register_clkdev(clk, "dsihs2", "mcde");
clk_register_clkdev(clk, "hs_clk", "dsilink.2");
clk = clk_reg_prcmu_scalable("dsilcd_pll", "spare1clk",
PRCMU_PLLDSI_LCD, 0, CLK_SET_RATE_GATE);
clk_register_clkdev(clk, "dsilcd_pll", "mcde");
clk = clk_reg_prcmu_scalable("dsi0clk", "dsi_pll",
PRCMU_DSI0CLK, 0, CLK_SET_RATE_GATE);
clk_register_clkdev(clk, "dsihs0", "mcde");
clk = clk_reg_prcmu_scalable("dsi0lcdclk", "dsilcd_pll",
PRCMU_DSI0CLK_LCD, 0, CLK_SET_RATE_GATE);
clk_register_clkdev(clk, "dsihs0", "mcde");
clk_register_clkdev(clk, "hs_clk", "dsilink.0");
clk = clk_reg_prcmu_scalable("dsi1clk", "dsi_pll",
PRCMU_DSI1CLK, 0, CLK_SET_RATE_GATE);
clk_register_clkdev(clk, "dsihs1", "mcde");
clk = clk_reg_prcmu_scalable("dsi1lcdclk", "dsilcd_pll",
PRCMU_DSI1CLK_LCD, 0, CLK_SET_RATE_GATE);
clk_register_clkdev(clk, "dsihs1", "mcde");
clk_register_clkdev(clk, "hs_clk", "dsilink.1");
clk = clk_reg_prcmu_scalable("dsi0escclk", "tvclk",
PRCMU_DSI0ESCCLK, 0, CLK_SET_RATE_GATE);
clk_register_clkdev(clk, "lp_clk", "dsilink.0");
clk_register_clkdev(clk, "dsilp0", "mcde");
clk = clk_reg_prcmu_scalable("dsi1escclk", "tvclk",
PRCMU_DSI1ESCCLK, 0, CLK_SET_RATE_GATE);
clk_register_clkdev(clk, "lp_clk", "dsilink.1");
clk_register_clkdev(clk, "dsilp1", "mcde");
clk = clk_reg_prcmu_scalable("dsi2escclk", "tvclk",
PRCMU_DSI2ESCCLK, 0, CLK_SET_RATE_GATE);
clk_register_clkdev(clk, "lp_clk", "dsilink.2");
clk_register_clkdev(clk, "dsilp2", "mcde");
clk = clk_reg_prcmu_scalable_rate("armss", NULL,
PRCMU_ARMSS, 0, CLK_IS_ROOT|CLK_IGNORE_UNUSED);
clk_register_clkdev(clk, "armss", NULL);
clk = clk_register_fixed_factor(NULL, "smp_twd", "armss",
CLK_IGNORE_UNUSED, 1, 2);
clk_register_clkdev(clk, NULL, "smp_twd");
/* PRCC P-clocks */
/* Peripheral 1 : PRCC P-clocks */
clk = clk_reg_prcc_pclk("p1_pclk0", "per1clk", clkrst1_base,
BIT(0), 0);
clk_register_clkdev(clk, "apb_pclk", "uart0");
clk = clk_reg_prcc_pclk("p1_pclk1", "per1clk", clkrst1_base,
BIT(1), 0);
clk_register_clkdev(clk, "apb_pclk", "uart1");
clk = clk_reg_prcc_pclk("p1_pclk2", "per1clk", clkrst1_base,
BIT(2), 0);
clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.1");
clk = clk_reg_prcc_pclk("p1_pclk3", "per1clk", clkrst1_base,
BIT(3), 0);
clk_register_clkdev(clk, "apb_pclk", "msp0");
clk_register_clkdev(clk, "apb_pclk", "dbx5x0-msp-i2s.0");
clk = clk_reg_prcc_pclk("p1_pclk4", "per1clk", clkrst1_base,
BIT(4), 0);
clk_register_clkdev(clk, "apb_pclk", "msp1");
clk_register_clkdev(clk, "apb_pclk", "dbx5x0-msp-i2s.1");
clk = clk_reg_prcc_pclk("p1_pclk5", "per1clk", clkrst1_base,
BIT(5), 0);
clk_register_clkdev(clk, "apb_pclk", "sdi0");
clk = clk_reg_prcc_pclk("p1_pclk6", "per1clk", clkrst1_base,
BIT(6), 0);
clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.2");
clk = clk_reg_prcc_pclk("p1_pclk7", "per1clk", clkrst1_base,
BIT(7), 0);
clk_register_clkdev(clk, NULL, "spi3");
clk = clk_reg_prcc_pclk("p1_pclk8", "per1clk", clkrst1_base,
BIT(8), 0);
clk_register_clkdev(clk, "apb_pclk", "slimbus0");
clk = clk_reg_prcc_pclk("p1_pclk9", "per1clk", clkrst1_base,
BIT(9), 0);
clk_register_clkdev(clk, NULL, "gpio.0");
clk_register_clkdev(clk, NULL, "gpio.1");
clk_register_clkdev(clk, NULL, "gpioblock0");
clk_register_clkdev(clk, "apb_pclk", "ab85xx-codec.0");
clk = clk_reg_prcc_pclk("p1_pclk10", "per1clk", clkrst1_base,
BIT(10), 0);
clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.4");
clk = clk_reg_prcc_pclk("p1_pclk11", "per1clk", clkrst1_base,
BIT(11), 0);
clk_register_clkdev(clk, "apb_pclk", "msp3");
clk_register_clkdev(clk, "apb_pclk", "dbx5x0-msp-i2s.3");
/* Peripheral 2 : PRCC P-clocks */
clk = clk_reg_prcc_pclk("p2_pclk0", "per2clk", clkrst2_base,
BIT(0), 0);
clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.3");
clk = clk_reg_prcc_pclk("p2_pclk1", "per2clk", clkrst2_base,
BIT(1), 0);
clk_register_clkdev(clk, NULL, "spi2");
clk = clk_reg_prcc_pclk("p2_pclk2", "per2clk", clkrst2_base,
BIT(2), 0);
clk_register_clkdev(clk, NULL, "spi1");
clk = clk_reg_prcc_pclk("p2_pclk3", "per2clk", clkrst2_base,
BIT(3), 0);
clk_register_clkdev(clk, NULL, "pwl");
clk = clk_reg_prcc_pclk("p2_pclk4", "per2clk", clkrst2_base,
BIT(4), 0);
clk_register_clkdev(clk, "apb_pclk", "sdi4");
clk = clk_reg_prcc_pclk("p2_pclk5", "per2clk", clkrst2_base,
BIT(5), 0);
clk_register_clkdev(clk, "apb_pclk", "msp2");
clk_register_clkdev(clk, "apb_pclk", "dbx5x0-msp-i2s.2");
clk = clk_reg_prcc_pclk("p2_pclk6", "per2clk", clkrst2_base,
BIT(6), 0);
clk_register_clkdev(clk, "apb_pclk", "sdi1");
clk = clk_reg_prcc_pclk("p2_pclk7", "per2clk", clkrst2_base,
BIT(7), 0);
clk_register_clkdev(clk, "apb_pclk", "sdi3");
clk = clk_reg_prcc_pclk("p2_pclk8", "per2clk", clkrst2_base,
BIT(8), 0);
clk_register_clkdev(clk, NULL, "spi0");
clk = clk_reg_prcc_pclk("p2_pclk9", "per2clk", clkrst2_base,
BIT(9), 0);
clk_register_clkdev(clk, "hsir_hclk", "ste_hsi.0");
clk = clk_reg_prcc_pclk("p2_pclk10", "per2clk", clkrst2_base,
BIT(10), 0);
clk_register_clkdev(clk, "hsit_hclk", "ste_hsi.0");
clk = clk_reg_prcc_pclk("p2_pclk11", "per2clk", clkrst2_base,
BIT(11), 0);
clk_register_clkdev(clk, NULL, "gpio.6");
clk_register_clkdev(clk, NULL, "gpio.7");
clk_register_clkdev(clk, NULL, "gpioblock1");
clk = clk_reg_prcc_pclk("p2_pclk12", "per2clk", clkrst2_base,
BIT(12), 0);
clk_register_clkdev(clk, "msp4-pclk", "ab85xx-codec.0");
/* Peripheral 3 : PRCC P-clocks */
clk = clk_reg_prcc_pclk("p3_pclk0", "per3clk", clkrst3_base,
BIT(0), 0);
clk_register_clkdev(clk, NULL, "fsmc");
clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", clkrst3_base,
BIT(1), 0);
clk_register_clkdev(clk, "apb_pclk", "ssp0");
clk = clk_reg_prcc_pclk("p3_pclk2", "per3clk", clkrst3_base,
BIT(2), 0);
clk_register_clkdev(clk, "apb_pclk", "ssp1");
clk = clk_reg_prcc_pclk("p3_pclk3", "per3clk", clkrst3_base,
BIT(3), 0);
clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.0");
clk = clk_reg_prcc_pclk("p3_pclk4", "per3clk", clkrst3_base,
BIT(4), 0);
clk_register_clkdev(clk, "apb_pclk", "sdi2");
clk = clk_reg_prcc_pclk("p3_pclk5", "per3clk", clkrst3_base,
BIT(5), 0);
clk_register_clkdev(clk, "apb_pclk", "ske");
clk_register_clkdev(clk, "apb_pclk", "nmk-ske-keypad");
clk = clk_reg_prcc_pclk("p3_pclk6", "per3clk", clkrst3_base,
BIT(6), 0);
clk_register_clkdev(clk, "apb_pclk", "uart2");
clk = clk_reg_prcc_pclk("p3_pclk7", "per3clk", clkrst3_base,
BIT(7), 0);
clk_register_clkdev(clk, "apb_pclk", "sdi5");
clk = clk_reg_prcc_pclk("p3_pclk8", "per3clk", clkrst3_base,
BIT(8), 0);
clk_register_clkdev(clk, NULL, "gpio.2");
clk_register_clkdev(clk, NULL, "gpio.3");
clk_register_clkdev(clk, NULL, "gpio.4");
clk_register_clkdev(clk, NULL, "gpio.5");
clk_register_clkdev(clk, NULL, "gpioblock2");
clk = clk_reg_prcc_pclk("p3_pclk9", "per3clk", clkrst3_base,
BIT(9), 0);
clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.5");
clk = clk_reg_prcc_pclk("p3_pclk10", "per3clk", clkrst3_base,
BIT(10), 0);
clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.6");
clk = clk_reg_prcc_pclk("p3_pclk11", "per3clk", clkrst3_base,
BIT(11), 0);
clk_register_clkdev(clk, "apb_pclk", "uart3");
clk = clk_reg_prcc_pclk("p3_pclk12", "per3clk", clkrst3_base,
BIT(12), 0);
clk_register_clkdev(clk, "apb_pclk", "uart4");
/* Peripheral 5 : PRCC P-clocks */
clk = clk_reg_prcc_pclk("p5_pclk0", "per5clk", clkrst5_base,
BIT(0), 0);
clk_register_clkdev(clk, "usb", "musb-ux500.0");
clk_register_clkdev(clk, "usbclk", "ab-iddet.0");
clk = clk_reg_prcc_pclk("p5_pclk1", "per5clk", clkrst5_base,
BIT(1), 0);
clk_register_clkdev(clk, NULL, "gpio.8");
clk_register_clkdev(clk, NULL, "gpioblock3");
/* Peripheral 6 : PRCC P-clocks */
clk = clk_reg_prcc_pclk("p6_pclk0", "per6clk", clkrst6_base,
BIT(0), 0);
clk_register_clkdev(clk, "apb_pclk", "rng");
clk = clk_reg_prcc_pclk("p6_pclk1", "per6clk", clkrst6_base,
BIT(1), 0);
clk_register_clkdev(clk, NULL, "cryp0");
clk_register_clkdev(clk, NULL, "cryp1");
clk = clk_reg_prcc_pclk("p6_pclk2", "per6clk", clkrst6_base,
BIT(2), 0);
clk_register_clkdev(clk, NULL, "hash0");
clk = clk_reg_prcc_pclk("p6_pclk3", "per6clk", clkrst6_base,
BIT(3), 0);
clk_register_clkdev(clk, NULL, "pka");
clk = clk_reg_prcc_pclk("p6_pclk4", "per6clk", clkrst6_base,
BIT(4), 0);
clk_register_clkdev(clk, NULL, "db8540-hash1");
clk = clk_reg_prcc_pclk("p6_pclk5", "per6clk", clkrst6_base,
BIT(5), 0);
clk_register_clkdev(clk, NULL, "cfgreg");
clk = clk_reg_prcc_pclk("p6_pclk6", "per6clk", clkrst6_base,
BIT(6), 0);
clk_register_clkdev(clk, "apb_pclk", "mtu0");
clk = clk_reg_prcc_pclk("p6_pclk7", "per6clk", clkrst6_base,
BIT(7), 0);
clk_register_clkdev(clk, "apb_pclk", "mtu1");
/*
* PRCC K-clocks ==> see table PRCC_PCKEN/PRCC_KCKEN
* This differs from the internal implementation:
* We don't use the PERPIH[n| clock as parent, since those _should_
* only be used as parents for the P-clocks.
* TODO: "parentjoin" with corresponding P-clocks for all K-clocks.
*/
/* Peripheral 1 : PRCC K-clocks */
clk = clk_reg_prcc_kclk("p1_uart0_kclk", "uartclk",
clkrst1_base, BIT(0), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "uart0");
clk = clk_reg_prcc_kclk("p1_uart1_kclk", "uartclk",
clkrst1_base, BIT(1), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "uart1");
clk = clk_reg_prcc_kclk("p1_i2c1_kclk", "i2cclk",
clkrst1_base, BIT(2), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "nmk-i2c.1");
clk = clk_reg_prcc_kclk("p1_msp0_kclk", "msp02clk",
clkrst1_base, BIT(3), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "msp0");
clk_register_clkdev(clk, NULL, "dbx5x0-msp-i2s.0");
clk = clk_reg_prcc_kclk("p1_msp1_kclk", "msp1clk",
clkrst1_base, BIT(4), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "msp1");
clk_register_clkdev(clk, NULL, "dbx5x0-msp-i2s.1");
clk = clk_reg_prcc_kclk("p1_sdi0_kclk", "sdmmchclk",
clkrst1_base, BIT(5), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "sdi0");
clk = clk_reg_prcc_kclk("p1_i2c2_kclk", "i2cclk",
clkrst1_base, BIT(6), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "nmk-i2c.2");
clk = clk_reg_prcc_kclk("p1_slimbus0_kclk", "slimclk",
clkrst1_base, BIT(8), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "slimbus0");
clk = clk_reg_prcc_kclk("p1_i2c4_kclk", "i2cclk",
clkrst1_base, BIT(9), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "nmk-i2c.4");
clk = clk_reg_prcc_kclk("p1_msp3_kclk", "msp1clk",
clkrst1_base, BIT(10), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "msp3");
clk_register_clkdev(clk, NULL, "dbx5x0-msp-i2s.3");
/* Peripheral 2 : PRCC K-clocks */
clk = clk_reg_prcc_kclk("p2_i2c3_kclk", "i2cclk",
clkrst2_base, BIT(0), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "nmk-i2c.3");
clk = clk_reg_prcc_kclk("p2_pwl_kclk", "rtc32k",
clkrst2_base, BIT(1), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "pwl");
clk = clk_reg_prcc_kclk("p2_sdi4_kclk", "sdmmchclk",
clkrst2_base, BIT(2), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "sdi4");
clk = clk_reg_prcc_kclk("p2_msp2_kclk", "msp02clk",
clkrst2_base, BIT(3), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "msp2");
clk_register_clkdev(clk, NULL, "dbx5x0-msp-i2s.2");
clk = clk_reg_prcc_kclk("p2_sdi1_kclk", "sdmmchclk",
clkrst2_base, BIT(4), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "sdi1");
clk = clk_reg_prcc_kclk("p2_sdi3_kclk", "sdmmcclk",
clkrst2_base, BIT(5), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "sdi3");
clk = clk_reg_prcc_kclk("p2_ssirx_kclk", "hsirxclk",
clkrst2_base, BIT(6),
CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
clk_register_clkdev(clk, "hsir_hsirxclk", "ste_hsi.0");
clk = clk_reg_prcc_kclk("p2_ssitx_kclk", "hsitxclk",
clkrst2_base, BIT(7),
CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
clk_register_clkdev(clk, "hsit_hsitxclk", "ste_hsi.0");
/* Should only be 9540, but might be added for 85xx as well */
clk = clk_reg_prcc_kclk("p2_msp4_kclk", "msp02clk",
clkrst2_base, BIT(9), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "msp4");
clk_register_clkdev(clk, "msp4", "ab85xx-codec.0");
/* Peripheral 3 : PRCC K-clocks */
clk = clk_reg_prcc_kclk("p3_ssp0_kclk", "sspclk",
clkrst3_base, BIT(1), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "ssp0");
clk = clk_reg_prcc_kclk("p3_ssp1_kclk", "sspclk",
clkrst3_base, BIT(2), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "ssp1");
clk = clk_reg_prcc_kclk("p3_i2c0_kclk", "i2cclk",
clkrst3_base, BIT(3), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "nmk-i2c.0");
clk = clk_reg_prcc_kclk("p3_sdi2_kclk", "sdmmchclk",
clkrst3_base, BIT(4), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "sdi2");
clk = clk_reg_prcc_kclk("p3_ske_kclk", "rtc32k",
clkrst3_base, BIT(5), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "ske");
clk_register_clkdev(clk, NULL, "nmk-ske-keypad");
clk = clk_reg_prcc_kclk("p3_uart2_kclk", "uartclk",
clkrst3_base, BIT(6), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "uart2");
clk = clk_reg_prcc_kclk("p3_sdi5_kclk", "sdmmcclk",
clkrst3_base, BIT(7), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "sdi5");
clk = clk_reg_prcc_kclk("p3_i2c5_kclk", "i2cclk",
clkrst3_base, BIT(8), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "nmk-i2c.5");
clk = clk_reg_prcc_kclk("p3_i2c6_kclk", "i2cclk",
clkrst3_base, BIT(9), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "nmk-i2c.6");
clk = clk_reg_prcc_kclk("p3_uart3_kclk", "uartclk",
clkrst3_base, BIT(10), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "uart3");
clk = clk_reg_prcc_kclk("p3_uart4_kclk", "uartclk",
clkrst3_base, BIT(11), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "uart4");
/* Peripheral 6 : PRCC K-clocks */
clk = clk_reg_prcc_kclk("p6_rng_kclk", "rngclk",
clkrst6_base, BIT(0), CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "rng");
}

21
drivers/clk/ux500/u9540_clk.c Normal file
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/*
* Clock definitions for u9540 platform.
*
* Copyright (C) 2012 ST-Ericsson SA
* Author: Ulf Hansson <ulf.hansson@linaro.org>
*
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#include <linux/mfd/dbx500-prcmu.h>
#include <linux/platform_data/clk-ux500.h>
#include "clk.h"
void u9540_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
u32 clkrst5_base, u32 clkrst6_base)
{
/* register clocks here */
}