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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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215
drivers/clk/tegra/clk-tegra-audio.c Normal file
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/*
* Copyright (c) 2012, 2013, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/delay.h>
#include <linux/export.h>
#include <linux/clk/tegra.h>
#include "clk.h"
#include "clk-id.h"
#define AUDIO_SYNC_CLK_I2S0 0x4a0
#define AUDIO_SYNC_CLK_I2S1 0x4a4
#define AUDIO_SYNC_CLK_I2S2 0x4a8
#define AUDIO_SYNC_CLK_I2S3 0x4ac
#define AUDIO_SYNC_CLK_I2S4 0x4b0
#define AUDIO_SYNC_CLK_SPDIF 0x4b4
#define AUDIO_SYNC_DOUBLER 0x49c
#define PLLA_OUT 0xb4
struct tegra_sync_source_initdata {
char *name;
unsigned long rate;
unsigned long max_rate;
int clk_id;
};
#define SYNC(_name) \
{\
.name = #_name,\
.rate = 24000000,\
.max_rate = 24000000,\
.clk_id = tegra_clk_ ## _name,\
}
struct tegra_audio_clk_initdata {
char *gate_name;
char *mux_name;
u32 offset;
int gate_clk_id;
int mux_clk_id;
};
#define AUDIO(_name, _offset) \
{\
.gate_name = #_name,\
.mux_name = #_name"_mux",\
.offset = _offset,\
.gate_clk_id = tegra_clk_ ## _name,\
.mux_clk_id = tegra_clk_ ## _name ## _mux,\
}
struct tegra_audio2x_clk_initdata {
char *parent;
char *gate_name;
char *name_2x;
char *div_name;
int clk_id;
int clk_num;
u8 div_offset;
};
#define AUDIO2X(_name, _num, _offset) \
{\
.parent = #_name,\
.gate_name = #_name"_2x",\
.name_2x = #_name"_doubler",\
.div_name = #_name"_div",\
.clk_id = tegra_clk_ ## _name ## _2x,\
.clk_num = _num,\
.div_offset = _offset,\
}
static DEFINE_SPINLOCK(clk_doubler_lock);
static const char *mux_audio_sync_clk[] = { "spdif_in_sync", "i2s0_sync",
"i2s1_sync", "i2s2_sync", "i2s3_sync", "i2s4_sync", "vimclk_sync",
};
static struct tegra_sync_source_initdata sync_source_clks[] __initdata = {
SYNC(spdif_in_sync),
SYNC(i2s0_sync),
SYNC(i2s1_sync),
SYNC(i2s2_sync),
SYNC(i2s3_sync),
SYNC(i2s4_sync),
SYNC(vimclk_sync),
};
static struct tegra_audio_clk_initdata audio_clks[] = {
AUDIO(audio0, AUDIO_SYNC_CLK_I2S0),
AUDIO(audio1, AUDIO_SYNC_CLK_I2S1),
AUDIO(audio2, AUDIO_SYNC_CLK_I2S2),
AUDIO(audio3, AUDIO_SYNC_CLK_I2S3),
AUDIO(audio4, AUDIO_SYNC_CLK_I2S4),
AUDIO(spdif, AUDIO_SYNC_CLK_SPDIF),
};
static struct tegra_audio2x_clk_initdata audio2x_clks[] = {
AUDIO2X(audio0, 113, 24),
AUDIO2X(audio1, 114, 25),
AUDIO2X(audio2, 115, 26),
AUDIO2X(audio3, 116, 27),
AUDIO2X(audio4, 117, 28),
AUDIO2X(spdif, 118, 29),
};
void __init tegra_audio_clk_init(void __iomem *clk_base,
void __iomem *pmc_base, struct tegra_clk *tegra_clks,
struct tegra_clk_pll_params *pll_a_params)
{
struct clk *clk;
struct clk **dt_clk;
int i;
/* PLLA */
dt_clk = tegra_lookup_dt_id(tegra_clk_pll_a, tegra_clks);
if (dt_clk) {
clk = tegra_clk_register_pll("pll_a", "pll_p_out1", clk_base,
pmc_base, 0, pll_a_params, NULL);
*dt_clk = clk;
}
/* PLLA_OUT0 */
dt_clk = tegra_lookup_dt_id(tegra_clk_pll_a_out0, tegra_clks);
if (dt_clk) {
clk = tegra_clk_register_divider("pll_a_out0_div", "pll_a",
clk_base + PLLA_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
8, 8, 1, NULL);
clk = tegra_clk_register_pll_out("pll_a_out0", "pll_a_out0_div",
clk_base + PLLA_OUT, 1, 0, CLK_IGNORE_UNUSED |
CLK_SET_RATE_PARENT, 0, NULL);
*dt_clk = clk;
}
for (i = 0; i < ARRAY_SIZE(sync_source_clks); i++) {
struct tegra_sync_source_initdata *data;
data = &sync_source_clks[i];
dt_clk = tegra_lookup_dt_id(data->clk_id, tegra_clks);
if (!dt_clk)
continue;
clk = tegra_clk_register_sync_source(data->name,
data->rate, data->max_rate);
*dt_clk = clk;
}
for (i = 0; i < ARRAY_SIZE(audio_clks); i++) {
struct tegra_audio_clk_initdata *data;
data = &audio_clks[i];
dt_clk = tegra_lookup_dt_id(data->mux_clk_id, tegra_clks);
if (!dt_clk)
continue;
clk = clk_register_mux(NULL, data->mux_name, mux_audio_sync_clk,
ARRAY_SIZE(mux_audio_sync_clk),
CLK_SET_RATE_NO_REPARENT,
clk_base + data->offset, 0, 3, 0,
NULL);
*dt_clk = clk;
dt_clk = tegra_lookup_dt_id(data->gate_clk_id, tegra_clks);
if (!dt_clk)
continue;
clk = clk_register_gate(NULL, data->gate_name, data->mux_name,
0, clk_base + data->offset, 4,
CLK_GATE_SET_TO_DISABLE, NULL);
*dt_clk = clk;
}
for (i = 0; i < ARRAY_SIZE(audio2x_clks); i++) {
struct tegra_audio2x_clk_initdata *data;
data = &audio2x_clks[i];
dt_clk = tegra_lookup_dt_id(data->clk_id, tegra_clks);
if (!dt_clk)
continue;
clk = clk_register_fixed_factor(NULL, data->name_2x,
data->parent, CLK_SET_RATE_PARENT, 2, 1);
clk = tegra_clk_register_divider(data->div_name,
data->name_2x, clk_base + AUDIO_SYNC_DOUBLER,
0, 0, data->div_offset, 1, 0,
&clk_doubler_lock);
clk = tegra_clk_register_periph_gate(data->gate_name,
data->div_name, TEGRA_PERIPH_NO_RESET,
clk_base, CLK_SET_RATE_PARENT, data->clk_num,
periph_clk_enb_refcnt);
*dt_clk = clk;
}
}