From b57400a267c9f74d004219eddb8d5e48dd7472a6 Mon Sep 17 00:00:00 2001
From: William Qiu <william.qiu@starfivetech.com>
Date: Wed, 1 Mar 2023 16:45:11 +0800
Subject: [PATCH] riscv: dts: starfive: Add PWM node

Adding StarFive PWM controller node to VisionFive 2 SoC.

Signed-off-by: William Qiu <william.qiu@starfivetech.com>
---
 .../dts/starfive/jh7110-starfive-visionfive-2.dtsi   | 20 ++++++++++++++++++++
 arch/riscv/boot/dts/starfive/jh7110.dtsi             |  9 +++++++++
 2 files changed, 29 insertions(+)

diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
index 7684bf7..4633a2c 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
@@ -157,6 +157,12 @@
 	status = "okay";
 };
 
+&ptc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pwm_pins>;
+	status = "okay";
+};
+
 &sysgpio {
 	i2c0_pins: i2c0-0 {
 		i2c-pins {
@@ -214,6 +220,20 @@
 		};
 	};
 
+	pwm_pins: pwm-0 {
+		pwm-pins {
+			pinmux = <GPIOMUX(46, GPOUT_SYS_PWM_CHANNEL0,
+					GPOEN_SYS_PWM0_CHANNEL0, GPI_NONE)>,
+					<GPIOMUX(59, GPOUT_SYS_PWM_CHANNEL1,
+					GPOEN_SYS_PWM0_CHANNEL1, GPI_NONE)>;
+			bias-disable;
+			drive-strength = <12>;
+			input-disable;
+			input-schmitt-disable;
+			slew-rate = <0>;
+		};
+	};
+
 	uart0_pins: uart0-0 {
 		tx-pins {
 			pinmux = <GPIOMUX(5, GPOUT_SYS_UART0_TX,
diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
index 5ab1598..5634c77 100644
--- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
@@ -486,6 +486,15 @@
 			status = "disabled";
 		};
 
+		ptc: pwm@120d0000 {
+			compatible = "starfive,jh7110-pwm";
+			reg = <0x0 0x120d0000 0x0 0x10000>;
+			clocks = <&syscrg JH7110_SYSCLK_PWM_APB>;
+			resets = <&syscrg JH7110_SYSRST_PWM_APB>;
+			#pwm-cells=<3>;
+			status = "disabled";
+		};
+
 		qspi: spi@13010000 {
 			compatible = "starfive,jh7110-qspi", "cdns,qspi-nor";
 			#address-cells = <1>;
-- 
2.7.4