[PATCH v6 3/4] riscv: dts: starfive: jh7110: Add PWM node and pins configuration

William Qiu
2023-10-20T10:37:49Z

Add OpenCores PWM controller node and add PWM pins configuration
on VisionFive 2 board.

Signed-off-by: William Qiu <william.qiu@starfivetech.com>
Reviewed-by: Hal Feng <hal.feng@starfivetech.com>
---
.../jh7110-starfive-visionfive-2.dtsi | 22 +++++++++++++++++++
arch/riscv/boot/dts/starfive/jh7110.dtsi | 9 ++++++++
2 files changed, 31 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 12ebe9792356..63d16a6a4e12 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
@@ -268,6 +268,12 @@ reserved-data@600000 {
};
};

+&pwm {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm_pins>;
+ status = "okay";
+};
+
&spi0 {
pinctrl-names = "default";
pinctrl-0 = <&spi0_pins>;
@@ -402,6 +408,22 @@ GPOEN_SYS_SDIO1_DATA3,
};
};

+ 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>;
+ };
+ };
+
spi0_pins: spi0-0 {
mosi-pins {
pinmux = <GPIOMUX(52, GPOUT_SYS_SPI0_TXD,
diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
index e85464c328d0..4024165d4538 100644
--- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
@@ -736,6 +736,15 @@ spi6: spi@120a0000 {
status = "disabled";
};

+ pwm: pwm@120d0000 {
+ compatible = "starfive,jh71x0-pwm";
+ reg = <0x0 0x120d0000 0x0 0x10000>;
+ clocks = <&syscrg JH7110_SYSCLK_PWM_APB>;
+ resets = <&syscrg JH7110_SYSRST_PWM_APB>;
+ #pwm-cells = <3>;
+ status = "disabled";
+ };
+
sfctemp: temperature-sensor@120e0000 {
compatible = "starfive,jh7110-temp";
reg = <0x0 0x120e0000 0x0 0x10000>;
--
2.34.1