[PATCH v3 5/5] ARM: dts: DRA7: Add dt nodes for PWMSS
Rob Herring
robh at kernel.org
Wed Mar 2 10:26:34 PST 2016
On Thu, Feb 25, 2016 at 04:36:36PM -0600, Franklin S Cooper Jr wrote:
> From: Vignesh R <vigneshr at ti.com>
>
> Add PWMSS device tree nodes for DRA7 SoC family and add documentation
> for dt bindings.
>
> Signed-off-by: Vignesh R <vigneshr at ti.com>
> ---
> Version 3 changes:
> None
>
> .../devicetree/bindings/pwm/pwm-tiehrpwm.txt | 8 +++
> .../devicetree/bindings/pwm/pwm-tipwmss.txt | 17 +++++-
> arch/arm/boot/dts/dra7.dtsi | 64 ++++++++++++++++++++++
> 3 files changed, 88 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt
> index 9c100b2..25d91ae 100644
> --- a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt
> +++ b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt
> @@ -4,6 +4,7 @@ Required properties:
> - compatible: Must be "ti,<soc>-ehrpwm".
> for am33xx - compatible = "ti,am33xx-ehrpwm";
> for da850 - compatible = "ti,da850-ehrpwm", "ti,am33xx-ehrpwm";
> + for dra7xx - compatible = "ti,dra7xx-ehrpwm", "ti,am33xx-ehrpwm";
We're starting to push back on wildcards in compatible strings. I guess
this is okay...
> - #pwm-cells: should be 3. See pwm.txt in this directory for a description of
> the cells format. The only third cell flag supported by this binding is
> PWM_POLARITY_INVERTED.
> @@ -27,3 +28,10 @@ ehrpwm0: ehrpwm at 0 { /* EHRPWM on da850 */
> #pwm-cells = <3>;
> reg = <0x300000 0x2000>;
> };
> +
> +ehrpwm0: ehrpwm at 0 { /* EHRPWM on dra7xx */
Should be pwm at 48440200
> + compatible = "ti,dra7xx-ehrpwm", "ti,am33xx-ehrpwm";
> + #pwm-cells = <3>;
> + reg = <0x48440200 0x80>;
> + ti,hwmods = "ehrpwm0";
> +};
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