Hi,
On Thu, Dec 17, 2020 at 12:20:31PM +0100, Paul Kocialkowski wrote:
> This introduces definitions for the PWM controller found in the V3s,
> as well as associated pins. This fashion of the controller has two PWM
> outputs and is register-compatible with the A20.
>
> Both PWM outputs were tested on a Lichee Pi Zero with a simple
> transistor-LED setup.
>
> Signed-off-by: Paul Kocialkowski <contact@xxxxxxxx>
> ---
> arch/arm/boot/dts/sun8i-v3s.dtsi | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-v3s.dtsi b/arch/arm/boot/dts/sun8i-v3s.dtsi
> index a9f5795d4e57..34a4e638c762 100644
> --- a/arch/arm/boot/dts/sun8i-v3s.dtsi
> +++ b/arch/arm/boot/dts/sun8i-v3s.dtsi
> @@ -398,6 +398,16 @@ spi0_pins: spi0-pins {
> pins = "PC0", "PC1", "PC2", "PC3";
> function = "spi0";
> };
> +
> + pwm0_pin: pwm0-pin {
> + pins = "PB4";
> + function = "pwm0";
> + };
> +
> + pwm1_pin: pwm1-pin {
> + pins = "PB5";
> + function = "pwm1";
> + };
> };
>
> timer@1c20c00 {
> @@ -416,6 +426,14 @@ wdt0: watchdog@1c20ca0 {
> clocks = <&osc24M>;
> };
>
> + pwm: pwm@1c21400 {
> + compatible = "allwinner,sun7i-a20-pwm";
We should have a (documented) v3s compatible there along with the A20
Thanks!
Maxime
