From: Paul Kocialkowski <contact@paulk.fr>
To: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: Chen-Yu Tsai <wens@csie.org>,
Jernej Skrabec <jernej.skrabec@siol.net>,
Maxime Ripard <mripard@kernel.org>,
Paul Kocialkowski <contact@paulk.fr>
Subject: [PATCH] ARM: dts: sun8i-v3s: Add PWM controller and pins definitions
Date: Thu, 17 Dec 2020 12:20:31 +0100 [thread overview]
Message-ID: <20201217112031.2243683-1-contact@paulk.fr> (raw)
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@paulk.fr>
---
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";
+ reg = <0x01c21400 0xc>;
+ clocks = <&osc24M>;
+ #pwm-cells = <3>;
+ status = "disabled";
+ };
+
lradc: lradc@1c22800 {
compatible = "allwinner,sun4i-a10-lradc-keys";
reg = <0x01c22800 0x400>;
--
2.29.2
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next reply other threads:[~2020-12-17 11:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-17 11:20 Paul Kocialkowski [this message]
2020-12-17 16:30 ` [PATCH] ARM: dts: sun8i-v3s: Add PWM controller and pins definitions Maxime Ripard
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