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Date: Fri, 18 Dec 2020 21:54:36 +0100 From: Paul Kocialkowski <contact@...lk.fr> To: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org Cc: Rob Herring <robh+dt@...nel.org>, Maxime Ripard <mripard@...nel.org>, Chen-Yu Tsai <wens@...e.org>, Jernej Skrabec <jernej.skrabec@...l.net>, Paul Kocialkowski <contact@...lk.fr> Subject: [PATCH v2 2/2] ARM: dts: sun8i-v3s: Add PWM controller and pins definitions 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@...lk.fr> --- arch/arm/boot/dts/sun8i-v3s.dtsi | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/arm/boot/dts/sun8i-v3s.dtsi b/arch/arm/boot/dts/sun8i-v3s.dtsi index bff822b9fa01..f02aa988156d 100644 --- a/arch/arm/boot/dts/sun8i-v3s.dtsi +++ b/arch/arm/boot/dts/sun8i-v3s.dtsi @@ -404,6 +404,16 @@ 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@...0c00 { @@ -422,6 +432,15 @@ wdt0: watchdog@...0ca0 { clocks = <&osc24M>; }; + pwm: pwm@...1400 { + compatible = "allwinner,sun8i-v3s-pwm", + "allwinner,sun7i-a20-pwm"; + reg = <0x01c21400 0xc>; + clocks = <&osc24M>; + #pwm-cells = <3>; + status = "disabled"; + }; + lradc: lradc@...2800 { compatible = "allwinner,sun4i-a10-lradc-keys"; reg = <0x01c22800 0x400>; -- 2.29.2
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