[PATCH V2 04/15] ARM64: dts: imx8mp-evk: add pwm support

Marco Felsch m.felsch at pengutronix.de
Fri Oct 28 07:59:50 PDT 2022


On 22-10-24, Peng Fan (OSS) wrote:
> From: Clark Wang <xiaoning.wang at nxp.com>
> 
> Enable pwm1/2/4 support.
> Enable pwm1 on pin GPIO1_IO01 for DSI_BL_PWM
>        pwm2 on pin GPIO1_IO11 for LVDS_BL_PWM
>        pwm4 on pin SAI5_RXFS for J21-32
> 
> Acked-by: Fugang Duan <fugang.duan at nxp.com>
> Signed-off-by: Clark Wang <xiaoning.wang at nxp.com>
> Signed-off-by: Peng Fan <peng.fan at nxp.com>

LGTM, feel free to add my:

Reviewed-by: Marco Felsch <m.felsch at pengutronix.de>

> ---
>  arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 36 ++++++++++++++++++++
>  1 file changed, 36 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> index a4cddc5a8620..316390f917a4 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> @@ -406,6 +406,24 @@ &pcie {
>  	status = "okay";
>  };
>  
> +&pwm1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_pwm1>;
> +	status = "okay";
> +};
> +
> +&pwm2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_pwm2>;
> +	status = "okay";
> +};
> +
> +&pwm4 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_pwm4>;
> +	status = "okay";
> +};
> +
>  &snvs_pwrkey {
>  	status = "okay";
>  };
> @@ -583,6 +601,24 @@ MX8MP_IOMUXC_GPIO1_IO12__GPIO1_IO12	0x146 /* Input pull-up. */
>  		>;
>  	};
>  
> +	pinctrl_pwm1: pwm1grp {
> +		fsl,pins = <
> +			MX8MP_IOMUXC_GPIO1_IO01__PWM1_OUT	0x116
> +		>;
> +	};
> +
> +	pinctrl_pwm2: pwm2grp {
> +		fsl,pins = <
> +			MX8MP_IOMUXC_GPIO1_IO11__PWM2_OUT	0x116
> +		>;
> +	};
> +
> +	pinctrl_pwm4: pwm4grp {
> +		fsl,pins = <
> +			MX8MP_IOMUXC_SAI5_RXFS__PWM4_OUT	0x116
> +		>;
> +	};
> +
>  	pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
>  		fsl,pins = <
>  			MX8MP_IOMUXC_SD2_RESET_B__GPIO2_IO19	0x40
> -- 
> 2.37.1
> 
> 
> 



More information about the linux-arm-kernel mailing list