Re: [PATCH v6 3/7] ARM: dts: am437x/am33xx/da850: Add new ECAP and EPWM bindings

From: Rob Herring
Date: Mon Apr 25 2016 - 09:03:22 EST


On Fri, Apr 22, 2016 at 11:40:34AM -0500, Franklin S Cooper Jr wrote:
> Switch to a new ECAP and EPWM bindings that doesn't depend on hwmod to
> provide the various required clocks.
>
> For AM437 and AM335x, add the required clocks explicitly to DT. The
> hwmod entries for ECAP and EPWM will be removed and this will prevent
> anything from breaking.
>
> Signed-off-by: Franklin S Cooper Jr <fcooper@xxxxxx>
> ---
> .../devicetree/bindings/pwm/pwm-tiecap.txt | 12 +++--
> .../devicetree/bindings/pwm/pwm-tiehrpwm.txt | 12 +++--
> arch/arm/boot/dts/am33xx.dtsi | 30 +++++++++---
> arch/arm/boot/dts/am4372.dtsi | 54 ++++++++++++++++++----
> arch/arm/boot/dts/da850.dtsi | 15 ++++--
> 5 files changed, 95 insertions(+), 28 deletions(-)

[...]

> diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
> index 12fcde4..e858460 100644
> --- a/arch/arm/boot/dts/am4372.dtsi
> +++ b/arch/arm/boot/dts/am4372.dtsi
> @@ -672,18 +672,26 @@
> status = "disabled";
>
> ecap0: ecap@48300100 {
> - compatible = "ti,am4372-ecap","ti,am33xx-ecap";
> + compatible = "ti,am4372-ecap",

This doesn't appear to be documented.

> + "ti,am3352-ecap",
> + "ti,am33xx-ecap";
> #pwm-cells = <3>;
> reg = <0x48300100 0x80>;
> ti,hwmods = "ecap0";
> + clocks = <&l4ls_gclk>;
> + clock-names = "fck";
> status = "disabled";
> };
>
> ehrpwm0: pwm@48300200 {
> - compatible = "ti,am4372-ehrpwm","ti,am33xx-ehrpwm";
> + compatible = "ti,am4372-ehrpwm",

ditto.

> + "ti,am3352-ehrpwm",
> + "ti,am33xx-ehrpwm";
> #pwm-cells = <3>;
> reg = <0x48300200 0x80>;
> ti,hwmods = "ehrpwm0";
> + clocks = <&ehrpwm0_tbclk>, <&l4ls_gclk>;
> + clock-names = "tbclk", "fck";
> status = "disabled";
> };
> };