On Fri, Sep 18, 2015 at 11:30 PM, Hans de Goede <hdego...@redhat.com> wrote:
> Hi,
>
> On 09/18/2015 03:35 AM, Chen-Yu Tsai wrote:
>>
>> The PWM controller has 2 outputs, with one usable pin for each.
>>
>> Add a pinmux setting for the first channel. This is often used
>> for backlight dimming on tablets.
>>
>> Signed-off-by: Chen-Yu Tsai <w...@csie.org>
>> ---
>> arch/arm/boot/dts/sun8i-a23-a33.dtsi | 7 +++++++
>> 1 file changed, 7 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/sun8i-a23-a33.dtsi
>> b/arch/arm/boot/dts/sun8i-a23-a33.dtsi
>> index e7054304018a..8f4db82084c5 100644
>> --- a/arch/arm/boot/dts/sun8i-a23-a33.dtsi
>> +++ b/arch/arm/boot/dts/sun8i-a23-a33.dtsi
>> @@ -412,6 +412,13 @@
>> allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
>> };
>>
>> + pwm0_pins: pwm0 {
>
>
> This should be "pwm0_pins_a: pwm0@0" so as to be consistent with the a10 /
> a20 dtsi
> files.
This is the only possible setting. I do not see why we need "_a" for the
label and "@0" for the name. IMHO they are used to avoid name clashes when
there are multiple possible pinmux settings.
Regards
ChenYu
> Regards,
>
> Hans
>
>
>> + allwinner,pins = "PH0";
>> + allwinner,function = "pwm0";
>> + allwinner,drive = <SUN4I_PINCTRL_10_MA>;
>> + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
>> + };
>> +
>> i2c0_pins_a: i2c0@0 {
>> allwinner,pins = "PH2", "PH3";
>> allwinner,function = "i2c0";
>>
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
