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

Bhuvanchandra DV
2014-09-19T10:19:09Z

On Thursday 18 September 2014 07:42 PM, Shawn Guo wrote:

> 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.

Ok, will sort the nodes alphabetically

>> 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

Ok

>> &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

Ok

>> + 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
>>