From: Sherry Sun Date: Thu, 5 Feb 2026 07:34:54 +0000 (+0800) Subject: arm64: dts: imx8mp-evk: Add usdhc1 for SDIO WiFi support X-Git-Tag: v7.1-rc1~125^2~11^2~107 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=feea0340ad290aac84f76b9886336419168b72a4;p=thirdparty%2Fkernel%2Fstable.git arm64: dts: imx8mp-evk: Add usdhc1 for SDIO WiFi support Add usdhc1 to support M.2 SDIO WiFi on i.MX8MP EVK board. Signed-off-by: Sherry Sun Reviewed-by: Frank Li Signed-off-by: Frank Li --- diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts index 70897289680c7..aedc099377161 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -134,7 +134,7 @@ enable-active-high; }; - reg_pcie0: regulator-pcie { + reg_m2_wlan: reg_pcie0: regulator-pcie { compatible = "regulator-fixed"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pcie0_reg>; @@ -250,6 +250,13 @@ }; }; + 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>; @@ -862,6 +869,19 @@ 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 = <®_m2_wlan>; + status = "okay"; +}; + &usdhc2 { assigned-clocks = <&clk IMX8MP_CLK_USDHC2>; assigned-clock-rates = <400000000>; @@ -1168,6 +1188,45 @@ >; }; + 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: usdhc1pwrseqgrp { + fsl,pins = < + MX8MP_IOMUXC_SD1_RESET_B__GPIO2_IO10 0x140 + >; + }; + pinctrl_usdhc2: usdhc2grp { fsl,pins = < MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x190