[PATCH v7 3/4] riscv: dts: starfive: jh7110: Add PWM node and pins configuration
William Qiu
william.qiu at starfivetech.com
Thu Nov 9 22:20:38 PST 2023
Add OpenCores PWM controller node and add PWM pins configuration
on VisionFive 2 board.
Signed-off-by: William Qiu <william.qiu at starfivetech.com>
Reviewed-by: Hal Feng <hal.feng at 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 2c02358abd71..823f298c3f4c 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 at 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..74630feff7a8 100644
--- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
@@ -736,6 +736,15 @@ spi6: spi at 120a0000 {
status = "disabled";
};
+ pwm: pwm at 120d0000 {
+ compatible = "starfive,jh7110-pwm", "opencores,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 at 120e0000 {
compatible = "starfive,jh7110-temp";
reg = <0x0 0x120e0000 0x0 0x10000>;
--
2.34.1
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