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Fixed MTP to work with TWRP
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85
Documentation/devicetree/bindings/clock/ti/dpll.txt
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85
Documentation/devicetree/bindings/clock/ti/dpll.txt
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Binding for Texas Instruments DPLL clock.
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Binding status: Unstable - ABI compatibility may be broken in the future
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This binding uses the common clock binding[1]. It assumes a
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register-mapped DPLL with usually two selectable input clocks
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(reference clock and bypass clock), with digital phase locked
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loop logic for multiplying the input clock to a desired output
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clock. This clock also typically supports different operation
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modes (locked, low power stop etc.) This binding has several
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sub-types, which effectively result in slightly different setup
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for the actual DPLL clock.
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[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
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Required properties:
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- compatible : shall be one of:
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"ti,omap3-dpll-clock",
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"ti,omap3-dpll-core-clock",
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"ti,omap3-dpll-per-clock",
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"ti,omap3-dpll-per-j-type-clock",
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"ti,omap4-dpll-clock",
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"ti,omap4-dpll-x2-clock",
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"ti,omap4-dpll-core-clock",
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"ti,omap4-dpll-m4xen-clock",
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"ti,omap4-dpll-j-type-clock",
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"ti,omap5-mpu-dpll-clock",
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"ti,am3-dpll-no-gate-clock",
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"ti,am3-dpll-j-type-clock",
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"ti,am3-dpll-no-gate-j-type-clock",
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"ti,am3-dpll-clock",
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"ti,am3-dpll-core-clock",
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"ti,am3-dpll-x2-clock",
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"ti,omap2-dpll-core-clock",
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- #clock-cells : from common clock binding; shall be set to 0.
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- clocks : link phandles of parent clocks, first entry lists reference clock
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and second entry bypass clock
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- reg : offsets for the register set for controlling the DPLL.
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Registers are listed in following order:
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"control" - contains the control register base address
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"idlest" - contains the idle status register base address
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"mult-div1" - contains the multiplier / divider register base address
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"autoidle" - contains the autoidle register base address (optional)
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ti,am3-* dpll types do not have autoidle register
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ti,omap2-* dpll type does not support idlest / autoidle registers
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Optional properties:
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- DPLL mode setting - defining any one or more of the following overrides
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default setting.
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- ti,low-power-stop : DPLL supports low power stop mode, gating output
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- ti,low-power-bypass : DPLL output matches rate of parent bypass clock
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- ti,lock : DPLL locks in programmed rate
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Examples:
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dpll_core_ck: dpll_core_ck@44e00490 {
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#clock-cells = <0>;
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compatible = "ti,omap4-dpll-core-clock";
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clocks = <&sys_clkin_ck>, <&sys_clkin_ck>;
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reg = <0x490>, <0x45c>, <0x488>, <0x468>;
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};
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dpll2_ck: dpll2_ck@48004004 {
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#clock-cells = <0>;
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compatible = "ti,omap3-dpll-clock";
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clocks = <&sys_ck>, <&dpll2_fck>;
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ti,low-power-stop;
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ti,low-power-bypass;
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ti,lock;
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reg = <0x4>, <0x24>, <0x34>, <0x40>;
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};
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dpll_core_ck: dpll_core_ck@44e00490 {
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#clock-cells = <0>;
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compatible = "ti,am3-dpll-core-clock";
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clocks = <&sys_clkin_ck>, <&sys_clkin_ck>;
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reg = <0x90>, <0x5c>, <0x68>;
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};
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dpll_ck: dpll_ck {
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#clock-cells = <0>;
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compatible = "ti,omap2-dpll-core-clock";
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clocks = <&sys_ck>, <&sys_ck>;
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reg = <0x0500>, <0x0540>;
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};
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