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SubjectRe: [PATCH 3/5] ARM: dts: DRA7: Add TBCLK for PWMSS
On 06/01/2015 02:53 PM, Vignesh R wrote:
> tbclk is used by ehrpwm to generate PWM waveform on DRA7 SoC. Add Linux
> clock to control ehrpwm tbclk.

Care to add TRM reference here?

-Tero

>
> Signed-off-by: Vignesh R <vigneshr@ti.com>
> ---
> arch/arm/boot/dts/dra7.dtsi | 5 +++++
> arch/arm/boot/dts/dra7xx-clocks.dtsi | 26 ++++++++++++++++++++++++++
> 2 files changed, 31 insertions(+)
>
> diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
> index f03a091cd076..387c76ca41f9 100644
> --- a/arch/arm/boot/dts/dra7.dtsi
> +++ b/arch/arm/boot/dts/dra7.dtsi
> @@ -131,6 +131,11 @@
> regulator-max-microvolt = <3000000>;
> };
> };
> +
> + scm_conf_clocks: clocks {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> };
>
> dra7_pmx_core: pinmux@1400 {
> diff --git a/arch/arm/boot/dts/dra7xx-clocks.dtsi b/arch/arm/boot/dts/dra7xx-clocks.dtsi
> index 3b933f74d000..92452d61cf58 100644
> --- a/arch/arm/boot/dts/dra7xx-clocks.dtsi
> +++ b/arch/arm/boot/dts/dra7xx-clocks.dtsi
> @@ -2136,3 +2136,29 @@
> clocks = <&dpll_usb_ck>;
> };
> };
> +
> +&scm_conf_clocks {
> + ehrpwm0_tbclk: ehrpwm0_tbclk {
> + #clock-cells = <0>;
> + compatible = "ti,gate-clock";
> + clocks = <&l4_root_clk_div>;
> + ti,bit-shift = <20>;
> + reg = <0x0558>;
> + };
> +
> + ehrpwm1_tbclk: ehrpwm1_tbclk {
> + #clock-cells = <0>;
> + compatible = "ti,gate-clock";
> + clocks = <&l4_root_clk_div>;
> + ti,bit-shift = <21>;
> + reg = <0x0558>;
> + };
> +
> + ehrpwm2_tbclk: ehrpwm2_tbclk {
> + #clock-cells = <0>;
> + compatible = "ti,gate-clock";
> + clocks = <&l4_root_clk_div>;
> + ti,bit-shift = <22>;
> + reg = <0x0558>;
> + };
> +};
>



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