openwrt/target/linux/sifiveu/patches-6.1/0003-riscv-sifive-unmatched-define-PWM-LEDs.patch

From 2c2d8ac8c124a2938c9326c14b2dffd46d76b4a8 Mon Sep 17 00:00:00 2001
From: David Abdurachmanov <[email protected]>
Date: Mon, 13 Sep 2021 02:15:37 -0700
Subject: [PATCH 3/7] riscv: sifive: unmatched: define PWM LEDs

Add D2 (RGB) and D12 (green) LEDs for SiFive Unmatched board.

Signed-off-by: David Abdurachmanov <[email protected]>
---
 .../riscv/boot/dts/sifive/hifive-unmatched-a00.dts | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)

--- a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
+++ b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
@@ -4,6 +4,8 @@
 #include "fu740-c000.dtsi"
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/pwm/pwm.h>
 
 /* Clock frequency (in Hz) of the PCB crystal for rtcclk */
 #define RTCCLK_FREQ		1000000
@@ -31,6 +33,45 @@
 	soc {
 	};
 
+	pwmleds {
+		compatible = "pwm-leds";
+		green-d12 {
+			label = "green:d12";
+			color = <LED_COLOR_ID_GREEN>;
+			pwms = <&pwm0 0 7812500 PWM_POLARITY_INVERTED>;
+			active-low = <1>;
+			max-brightness = <255>;
+			linux,default-trigger = "none";
+		};
+
+		green-d2 {
+			label = "green:d2";
+			color = <LED_COLOR_ID_GREEN>;
+			pwms = <&pwm0 1 7812500 PWM_POLARITY_INVERTED>;
+			active-low = <1>;
+			max-brightness = <255>;
+			linux,default-trigger = "none";
+		};
+
+		red-d2 {
+			label = "red:d2";
+			color = <LED_COLOR_ID_RED>;
+			pwms = <&pwm0 2 7812500 PWM_POLARITY_INVERTED>;
+			active-low = <1>;
+			max-brightness = <255>;
+			linux,default-trigger = "none";
+		};
+
+		blue-d2 {
+			label = "blue:d2";
+			color = <LED_COLOR_ID_BLUE>;
+			pwms = <&pwm0 3 7812500 PWM_POLARITY_INVERTED>;
+			active-low = <1>;
+			max-brightness = <255>;
+			linux,default-trigger = "none";
+		};
+	};
+
 	hfclk: hfclk {
 		#clock-cells = <0>;
 		compatible = "fixed-clock";