Re: [PATCH 4/7] arm64: dts: imx8m: configure FEC PHY VDDIO voltage

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On Tue, Nov 23, 2021 at 04:05:03PM +0800, Joakim Zhang wrote:
> As commit 2f664823a470 ("net: phy: at803x: add device tree binding")
> described, configure FEC PHY VDDIO voltage according to board design.
> 
> Signed-off-by: Joakim Zhang <qiangqing.zhang@xxxxxxx>
> ---
>  arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 6 ++++++
>  arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi | 6 ++++++
>  arch/arm64/boot/dts/freescale/imx8mq-evk.dts  | 4 ++++
>  3 files changed, 16 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> index 50b3bbb662d5..3bac87b7e142 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> @@ -117,6 +117,12 @@
>  			reset-gpios = <&gpio4 22 GPIO_ACTIVE_LOW>;
>  			reset-assert-us = <10000>;
>  			qca,disable-smarteee;
> +			vddio-supply = <&vddio>;
> +
> +			vddio: vddio-regulator {
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +			};
>  		};
>  	};
>  };
> diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
> index 342f57e8cf61..c3f15192b76c 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
> @@ -100,6 +100,12 @@
>  			reset-gpios = <&gpio4 22 GPIO_ACTIVE_LOW>;
>  			reset-assert-us = <10000>;
>  			qca,disable-smarteee;
> +			vddio-supply = <&vddio>;
> +
> +			vddio: vddio-regulator {
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +			};
>  		};
>  	};
>  };
> diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
> index a9e33548a2f3..c96d23fe3010 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
> @@ -170,6 +170,10 @@
>  			reset-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
>  			reset-assert-us = <10000>;
>  			qca,disable-smarteee;
> +			vddio-supply = <&vddh>;
> +
> +			vddh: vddh-regulator {
> +			};

Why does this need to be different from the one on imx8mm-evk and
imx8mn-evk?

Shawn

>  		};
>  	};
>  };
> -- 
> 2.17.1
> 



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