[PATCH 2/3] ARM: dts: vf610-colibri: Add PWM support

Shawn Guo
2014-09-18T14:12:49Z

On Wed, Sep 17, 2014 at 01:46:29PM +0530, Bhuvanchandra DV wrote:
> The Colibri standard defines four pins as PWM outputs, two of them (PWM
> A and C) are routed to FTM instance 0 and the other two (PWM B and D)
> are routed to FTM instance 1. Hence enable both FTM instances for the
> Colibri module and mux the four pins accordingly.
>
> Signed-off-by: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
> ---
> arch/arm/boot/dts/vf610-colibri-eval-v3.dts | 8 ++++++++
> arch/arm/boot/dts/vf610-colibri.dtsi | 25 +++++++++++++++++++++++++
> 2 files changed, 33 insertions(+)
>
> diff --git a/arch/arm/boot/dts/vf610-colibri-eval-v3.dts b/arch/arm/boot/dts/vf610-colibri-eval-v3.dts
> index 7fb3066..ba98039 100644
> --- a/arch/arm/boot/dts/vf610-colibri-eval-v3.dts
> +++ b/arch/arm/boot/dts/vf610-colibri-eval-v3.dts
> @@ -44,3 +44,11 @@
> &uart2 {
> status = "okay";
> };
> +
> +&pwm0 {
> + status = "okay";
> +};
> +
> +&pwm1 {
> + status = "okay";
> +};

Please sort the node alphabetically, so that we can locate them more
easily.

> diff --git a/arch/arm/boot/dts/vf610-colibri.dtsi b/arch/arm/boot/dts/vf610-colibri.dtsi
> index 0cd8343..9bd1415 100644
> --- a/arch/arm/boot/dts/vf610-colibri.dtsi
> +++ b/arch/arm/boot/dts/vf610-colibri.dtsi
> @@ -69,6 +69,16 @@
> status = "okay";
> };
>
> +&pwm0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pwm0>;
> +};
> +
> +&pwm1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pwm1>;
> +};
> +

Ditto

> &iomuxc {
> vf610-colibri {
> pinctrl_esdhc1: esdhc1grp {
> @@ -119,5 +129,20 @@
> VF610_PAD_PTD3__UART2_CTS 0x21a1
> >;
> };
> +
> + pinctrl_pwm0: pwm0grp {

We also maintain the alphabetic order of pinctrl_* entries under iomuxc
node.

Shawn

> + fsl,pins = <
> + VF610_PAD_PTB0__FTM0_CH0 0x1182
> + VF610_PAD_PTB1__FTM0_CH1 0x1182
> + >;
> + };
> +
> + pinctrl_pwm1: pwm1grp {
> + fsl,pins = <
> + VF610_PAD_PTB8__FTM1_CH0 0x1182
> + VF610_PAD_PTB9__FTM1_CH1 0x1182
> + >;
> + };
> +
> };
> };
> --
> 1.7.9.5
>