Add StarFive JH7100 PWM controller node and add PWM pins configuration
on VisionFive 2 board.
Reviewed-by: Hal Feng <[email protected]>
Signed-off-by: William Qiu <[email protected]>
---
.../boot/dts/starfive/jh7100-common.dtsi | 24 +++++++++++++++++++
arch/riscv/boot/dts/starfive/jh7100.dtsi | 9 +++++++
2 files changed, 33 insertions(+)
diff --git a/arch/riscv/boot/dts/starfive/jh7100-common.dtsi b/arch/riscv/boot/dts/starfive/jh7100-common.dtsi
index b93ce351a90f..746867b882b0 100644
--- a/arch/riscv/boot/dts/starfive/jh7100-common.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7100-common.dtsi
@@ -84,6 +84,24 @@ GPO_I2C2_PAD_SDA_OEN,
};
};
+ pwm_pins: pwm-0 {
+ pwm-pins {
+ pinmux = <GPIOMUX(7,
+ GPO_PWM_PAD_OUT_BIT0,
+ GPO_PWM_PAD_OE_N_BIT0,
+ GPI_NONE)>,
+ <GPIOMUX(5,
+ GPO_PWM_PAD_OUT_BIT1,
+ GPO_PWM_PAD_OE_N_BIT1,
+ GPI_NONE)>;
+ bias-disable;
+ drive-strength = <35>;
+ input-disable;
+ input-schmitt-disable;
+ slew-rate = <0>;
+ };
+ };
+
uart3_pins: uart3-0 {
rx-pins {
pinmux = <GPIOMUX(13, GPO_LOW, GPO_DISABLE,
@@ -154,6 +172,12 @@ &osc_aud {
clock-frequency = <27000000>;
};
+&ptc {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm_pins>;
+ status = "okay";
+};
+
&uart3 {
pinctrl-names = "default";
pinctrl-0 = <&uart3_pins>;
diff --git a/arch/riscv/boot/dts/starfive/jh7100.dtsi b/arch/riscv/boot/dts/starfive/jh7100.dtsi
index 000447482aca..977a509ffbdd 100644
--- a/arch/riscv/boot/dts/starfive/jh7100.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7100.dtsi
@@ -238,5 +238,14 @@ i2c3: i2c@12460000 {
#size-cells = <0>;
status = "disabled";
};
+
+ ptc: pwm@12490000 {
+ compatible = "starfive,jh7100-pwm";
+ reg = <0x0 0x12490000 0x0 0x10000>;
+ clocks = <&clkgen JH7100_CLK_PWM_APB>;
+ resets = <&rstgen JH7100_RSTN_PWM_APB>;
+ #pwm-cells = <3>;
+ status = "disabled";
+ };
};
};
--
2.34.1