Add StarFive JH7110 PWM controller node and add PWM pins configuration on VisionFive 2 board. Reviewed-by: Hal Feng <hal.feng@xxxxxxxxxxxxxxxx> Signed-off-by: William Qiu <william.qiu@xxxxxxxxxxxxxxxx> --- .../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 fa0061eb33a7..eba7331e1fe1 100644 --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi @@ -143,6 +143,12 @@ &i2c6 { status = "okay"; }; +&ptc { + pinctrl-names = "default"; + pinctrl-0 = <&pwm_pins>; + status = "okay"; +}; + &sysgpio { i2c0_pins: i2c0-0 { i2c-pins { @@ -200,6 +206,22 @@ GPOEN_SYS_I2C6_DATA, }; }; + 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 ec2e70011a73..2c808ea3ed40 100644 --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi @@ -473,6 +473,15 @@ i2c6: i2c@12060000 { 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"; + }; + syscrg: clock-controller@13020000 { compatible = "starfive,jh7110-syscrg"; reg = <0x0 0x13020000 0x0 0x10000>; -- 2.34.1