1. Patchew
  2. linux
  3. [PATCH 0/3] arm64: dts: imx8mp-evk: Add usdhc1 for SDIO WiFi support
  4. View patch

[PATCH 3/3] arm64: dts: imx8mp-evk: Add usdhc1 for SDIO WiFi support

Sherry Sun posted 3 patches 5 days, 6 hours ago
There is a newer version of this series
[PATCH 3/3] arm64: dts: imx8mp-evk: Add usdhc1 for SDIO WiFi support
Posted by Sherry Sun 5 days, 6 hours ago 
Add usdhc1 to support M.2 SDIO WiFi on i.MX8MP EVK board.

Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 59 ++++++++++++++++++++
 1 file changed, 59 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index f86d6b428a47..0b45ff73a5a9 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -250,6 +250,13 @@ cpu {
 		};
 	};
 
+	usdhc1_pwrseq: usdhc1_pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_usdhc1_pwrseq>;
+		reset-gpios = <&gpio2 10 GPIO_ACTIVE_LOW>;
+	};
+
 	reserved-memory {
 		#address-cells = <2>;
 		#size-cells = <2>;
@@ -863,6 +870,19 @@ &uart3 {
 	status = "okay";
 };
 
+&usdhc1 {
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
+	pinctrl-0 = <&pinctrl_usdhc1>;
+	pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
+	pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
+	keep-power-in-suspend;
+	non-removable;
+	wakeup-source;
+	mmc-pwrseq = <&usdhc1_pwrseq>;
+	vmmc-supply = <&reg_m2_wlan>;
+	status = "okay";
+};
+
 &usdhc2 {
 	assigned-clocks = <&clk IMX8MP_CLK_USDHC2>;
 	assigned-clock-rates = <400000000>;
@@ -1169,6 +1189,45 @@ MX8MP_IOMUXC_ECSPI1_MISO__UART3_DCE_CTS		0x140
 		>;
 	};
 
+	pinctrl_usdhc1: usdhc1grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SD1_CLK__USDHC1_CLK	0x190
+			MX8MP_IOMUXC_SD1_CMD__USDHC1_CMD	0x1d0
+			MX8MP_IOMUXC_SD1_DATA0__USDHC1_DATA0	0x1d0
+			MX8MP_IOMUXC_SD1_DATA1__USDHC1_DATA1	0x1d0
+			MX8MP_IOMUXC_SD1_DATA2__USDHC1_DATA2	0x1d0
+			MX8MP_IOMUXC_SD1_DATA3__USDHC1_DATA3	0x1d0
+		>;
+	};
+
+	pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SD1_CLK__USDHC1_CLK	0x194
+			MX8MP_IOMUXC_SD1_CMD__USDHC1_CMD	0x1d4
+			MX8MP_IOMUXC_SD1_DATA0__USDHC1_DATA0	0x1d4
+			MX8MP_IOMUXC_SD1_DATA1__USDHC1_DATA1	0x1d4
+			MX8MP_IOMUXC_SD1_DATA2__USDHC1_DATA2	0x1d4
+			MX8MP_IOMUXC_SD1_DATA3__USDHC1_DATA3	0x1d4
+		>;
+	};
+
+	pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SD1_CLK__USDHC1_CLK	0x196
+			MX8MP_IOMUXC_SD1_CMD__USDHC1_CMD	0x1d6
+			MX8MP_IOMUXC_SD1_DATA0__USDHC1_DATA0	0x1d6
+			MX8MP_IOMUXC_SD1_DATA1__USDHC1_DATA1	0x1d6
+			MX8MP_IOMUXC_SD1_DATA2__USDHC1_DATA2	0x1d6
+			MX8MP_IOMUXC_SD1_DATA3__USDHC1_DATA3	0x1d6
+		>;
+	};
+
+	pinctrl_usdhc1_pwrseq: usdhc1pwrseq {
+		fsl,pins = <
+			MX8MP_IOMUXC_SD1_RESET_B__GPIO2_IO10	0x140
+		>;
+	};
+
 	pinctrl_usdhc2: usdhc2grp {
 		fsl,pins = <
 			MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK	0x190
-- 
2.37.1
Re: [PATCH 3/3] arm64: dts: imx8mp-evk: Add usdhc1 for SDIO WiFi support
Posted by Frank Li 4 days, 16 hours ago 
On Wed, Feb 04, 2026 at 10:32:04AM +0800, Sherry Sun wrote:
> Add usdhc1 to support M.2 SDIO WiFi on i.MX8MP EVK board.
>
> Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
> ---

If prevous patch just add label, reg_m2_wlan, you can squash to this one.

Frank
>  arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 59 ++++++++++++++++++++
>  1 file changed, 59 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> index f86d6b428a47..0b45ff73a5a9 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> @@ -250,6 +250,13 @@ cpu {
>  		};
>  	};
>
> +	usdhc1_pwrseq: usdhc1_pwrseq {
> +		compatible = "mmc-pwrseq-simple";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_usdhc1_pwrseq>;
> +		reset-gpios = <&gpio2 10 GPIO_ACTIVE_LOW>;
> +	};
> +
>  	reserved-memory {
>  		#address-cells = <2>;
>  		#size-cells = <2>;
> @@ -863,6 +870,19 @@ &uart3 {
>  	status = "okay";
>  };
>
> +&usdhc1 {
> +	pinctrl-names = "default", "state_100mhz", "state_200mhz";
> +	pinctrl-0 = <&pinctrl_usdhc1>;
> +	pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
> +	pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
> +	keep-power-in-suspend;
> +	non-removable;
> +	wakeup-source;
> +	mmc-pwrseq = <&usdhc1_pwrseq>;
> +	vmmc-supply = <&reg_m2_wlan>;
> +	status = "okay";
> +};
> +
>  &usdhc2 {
>  	assigned-clocks = <&clk IMX8MP_CLK_USDHC2>;
>  	assigned-clock-rates = <400000000>;
> @@ -1169,6 +1189,45 @@ MX8MP_IOMUXC_ECSPI1_MISO__UART3_DCE_CTS		0x140
>  		>;
>  	};
>
> +	pinctrl_usdhc1: usdhc1grp {
> +		fsl,pins = <
> +			MX8MP_IOMUXC_SD1_CLK__USDHC1_CLK	0x190
> +			MX8MP_IOMUXC_SD1_CMD__USDHC1_CMD	0x1d0
> +			MX8MP_IOMUXC_SD1_DATA0__USDHC1_DATA0	0x1d0
> +			MX8MP_IOMUXC_SD1_DATA1__USDHC1_DATA1	0x1d0
> +			MX8MP_IOMUXC_SD1_DATA2__USDHC1_DATA2	0x1d0
> +			MX8MP_IOMUXC_SD1_DATA3__USDHC1_DATA3	0x1d0
> +		>;
> +	};
> +
> +	pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
> +		fsl,pins = <
> +			MX8MP_IOMUXC_SD1_CLK__USDHC1_CLK	0x194
> +			MX8MP_IOMUXC_SD1_CMD__USDHC1_CMD	0x1d4
> +			MX8MP_IOMUXC_SD1_DATA0__USDHC1_DATA0	0x1d4
> +			MX8MP_IOMUXC_SD1_DATA1__USDHC1_DATA1	0x1d4
> +			MX8MP_IOMUXC_SD1_DATA2__USDHC1_DATA2	0x1d4
> +			MX8MP_IOMUXC_SD1_DATA3__USDHC1_DATA3	0x1d4
> +		>;
> +	};
> +
> +	pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
> +		fsl,pins = <
> +			MX8MP_IOMUXC_SD1_CLK__USDHC1_CLK	0x196
> +			MX8MP_IOMUXC_SD1_CMD__USDHC1_CMD	0x1d6
> +			MX8MP_IOMUXC_SD1_DATA0__USDHC1_DATA0	0x1d6
> +			MX8MP_IOMUXC_SD1_DATA1__USDHC1_DATA1	0x1d6
> +			MX8MP_IOMUXC_SD1_DATA2__USDHC1_DATA2	0x1d6
> +			MX8MP_IOMUXC_SD1_DATA3__USDHC1_DATA3	0x1d6
> +		>;
> +	};
> +
> +	pinctrl_usdhc1_pwrseq: usdhc1pwrseq {
> +		fsl,pins = <
> +			MX8MP_IOMUXC_SD1_RESET_B__GPIO2_IO10	0x140
> +		>;
> +	};
> +
>  	pinctrl_usdhc2: usdhc2grp {
>  		fsl,pins = <
>  			MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK	0x190
> --
> 2.37.1
>

Patchew 2.1-devel-b67e4c2

© 2016 - 2026 Red Hat, Inc.