openwrt/target/linux/d1/patches-6.1/0063-riscv-dts-allwinner-d1-Add-PWM-support.patch

From 2ee8994e4db3978261e6c644e897400c4df5edeb Mon Sep 17 00:00:00 2001
From: Samuel Holland <samuel@sholland.org>
Date: Thu, 11 Aug 2022 22:24:52 -0500
Subject: [PATCH 063/117] riscv: dts: allwinner: d1: Add PWM support

Signed-off-by: Samuel Holland <samuel@sholland.org>
---
 arch/riscv/boot/dts/allwinner/sun20i-d1.dtsi | 35 ++++++++++++++++++++
 1 file changed, 35 insertions(+)

--- a/arch/riscv/boot/dts/allwinner/sun20i-d1.dtsi
+++ b/arch/riscv/boot/dts/allwinner/sun20i-d1.dtsi
@@ -155,6 +155,30 @@
 			};
 
 			/omit-if-no-ref/
+			pwm0_pd16_pin: pwm0-pd16-pin {
+				pins = "PD16";
+				function = "pwm0";
+			};
+
+			/omit-if-no-ref/
+			pwm2_pd18_pin: pwm2-pd18-pin {
+				pins = "PD18";
+				function = "pwm2";
+			};
+
+			/omit-if-no-ref/
+			pwm4_pd20_pin: pwm4-pd20-pin {
+				pins = "PD20";
+				function = "pwm4";
+			};
+
+			/omit-if-no-ref/
+			pwm7_pd22_pin: pwm7-pd22-pin {
+				pins = "PD22";
+				function = "pwm7";
+			};
+
+			/omit-if-no-ref/
 			uart0_pb8_pins: uart0-pb8-pins {
 				pins = "PB8", "PB9";
 				function = "uart0";
@@ -173,6 +197,17 @@
 			};
 		};
 
+		pwm: pwm@2000c00 {
+			compatible = "allwinner,sun20i-d1-pwm";
+			reg = <0x2000c00 0x400>;
+			interrupts = <34 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_PWM>, <&osc24M>;
+			clock-names = "bus", "mod";
+			resets = <&ccu RST_BUS_PWM>;
+			status = "disabled";
+			#pwm-cells = <3>;
+		};
+
 		ccu: clock-controller@2001000 {
 			compatible = "allwinner,sun20i-d1-ccu";
 			reg = <0x2001000 0x1000>;