From: bhuvanchandra.dv@toradex•com (BhuvanChandra.DV)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v3 1/2] ARM: dts: vf610-colibri: Add PWM support
Date: Sun, 28 Sep 2014 09:38:43 -0700 [thread overview]
Message-ID: <54283993.5070906@toradex.com> (raw)
In-Reply-To: <20140926022232.GI21077@dragon>
On 9/25/2014 7:22 PM, Shawn Guo wrote:
> On Mon, Sep 22, 2014 at 03:38:11PM +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>
> You should add Stefan's ACK tag.
Ok
>> ---
>> arch/arm/boot/dts/vf610-colibri-eval-v3.dts | 8 ++++++++
>> arch/arm/boot/dts/vf610-colibri.dtsi | 24 ++++++++++++++++++++++++
>> 2 files changed, 32 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..00f63d9 100644
>> --- a/arch/arm/boot/dts/vf610-colibri-eval-v3.dts
>> +++ b/arch/arm/boot/dts/vf610-colibri-eval-v3.dts
>> @@ -33,6 +33,14 @@
>> status = "okay";
>> };
>>
>> +&pwm0 {
>> + status = "okay";
>> +};
>> +
>> +&pwm1 {
>> + status = "okay";
>> +};
>> +
> I was trying to apply the patches, but found pwm1 is not available in
> vf610.dtsi at all. What tree is your patch generated against? Or did I
> miss any prerequisite patches?
>
> Shawn
One prerequisite patch(PATCH 1/3) was missed. Available over here:
https://lkml.org/lkml/2014/9/17/86
>> &uart0 {
>> status = "okay";
>> };
>> diff --git a/arch/arm/boot/dts/vf610-colibri.dtsi b/arch/arm/boot/dts/vf610-colibri.dtsi
>> index 0cd8343..1f73c1c 100644
>> --- a/arch/arm/boot/dts/vf610-colibri.dtsi
>> +++ b/arch/arm/boot/dts/vf610-colibri.dtsi
>> @@ -44,6 +44,16 @@
>> arm,tag-latency = <3 2 3>;
>> };
>>
>> +&pwm0 {
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pinctrl_pwm0>;
>> +};
>> +
>> +&pwm1 {
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pinctrl_pwm1>;
>> +};
>> +
>> &uart0 {
>> pinctrl-names = "default";
>> pinctrl-0 = <&pinctrl_uart0>;
>> @@ -97,6 +107,20 @@
>> >;
>> };
>>
>> + pinctrl_pwm0: pwm0grp {
>> + 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
>> + >;
>> + };
>> +
>> pinctrl_uart0: uart0grp {
>> fsl,pins = <
>> VF610_PAD_PTB10__UART0_TX 0x21a2
>> --
>> 1.7.9.5
>>
next prev parent reply other threads:[~2014-09-28 16:38 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-22 10:08 [PATCH v3 0/2] Add PWM and backlight support for Colibri VF61 modules Bhuvanchandra DV
2014-09-22 10:08 ` [PATCH v3 1/2] ARM: dts: vf610-colibri: Add PWM support Bhuvanchandra DV
2014-09-26 2:22 ` Shawn Guo
2014-09-28 16:38 ` BhuvanChandra.DV [this message]
2014-09-28 1:24 ` Shawn Guo
2014-09-29 16:45 ` BhuvanChandra.DV
2014-09-22 10:08 ` [PATCH v3 2/2] ARM: dts: vf610-colibri: Add backlight support Bhuvanchandra DV
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