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charset="utf-8" The current pin configuration for MX8MP_IOMUXC_SD1_DATA4__GPIO2_IO06 sets the weak pull-up but does not enable the pull select field. Bit 8 in the IOMUX register must be set in order for the weak pull-up to actually take effect. Update the pinctrl setting from 0x40 to 0x140 to enable both the pull select and the weak pull-up, ensuring the line behaves as expected. Fixes: d50650500064 ("arm64: dts: imx8mp-evk: Add PCIe support") Signed-off-by: Sherry Sun Reviewed-by: Frank Li --- arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot= /dts/freescale/imx8mp-evk.dts index 3f9b3fab8ac3..a1269c7a6cc2 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -1069,7 +1069,7 @@ MX8MP_IOMUXC_SD1_DATA5__GPIO2_IO07 0x40 =20 pinctrl_pcie0_reg: pcie0reggrp { fsl,pins =3D < - MX8MP_IOMUXC_SD1_DATA4__GPIO2_IO06 0x40 + MX8MP_IOMUXC_SD1_DATA4__GPIO2_IO06 0x140 >; }; =20 --=20 2.37.1 From nobody Sun Feb 8 11:06:58 2026 Received: from AM0PR02CU008.outbound.protection.outlook.com (mail-westeuropeazon11013001.outbound.protection.outlook.com [52.101.72.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AAE47330D4C; 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charset="utf-8" Add usdhc1 to support M.2 SDIO WiFi on i.MX8MP EVK board. Signed-off-by: Sherry Sun Reviewed-by: Frank Li --- arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 61 +++++++++++++++++++- 1 file changed, 60 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot= /dts/freescale/imx8mp-evk.dts index a1269c7a6cc2..dfcdcc739ec6 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -134,7 +134,7 @@ reg_audio_pwr: regulator-audio-pwr { enable-active-high; }; =20 - reg_pcie0: regulator-pcie { + reg_m2_wlan: reg_pcie0: regulator-pcie { compatible =3D "regulator-fixed"; pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_pcie0_reg>; @@ -250,6 +250,13 @@ cpu { }; }; =20 + usdhc1_pwrseq: usdhc1_pwrseq { + compatible =3D "mmc-pwrseq-simple"; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_usdhc1_pwrseq>; + reset-gpios =3D <&gpio2 10 GPIO_ACTIVE_LOW>; + }; + reserved-memory { #address-cells =3D <2>; #size-cells =3D <2>; @@ -863,6 +870,19 @@ &uart3 { status =3D "okay"; }; =20 +&usdhc1 { + pinctrl-names =3D "default", "state_100mhz", "state_200mhz"; + pinctrl-0 =3D <&pinctrl_usdhc1>; + pinctrl-1 =3D <&pinctrl_usdhc1_100mhz>; + pinctrl-2 =3D <&pinctrl_usdhc1_200mhz>; + keep-power-in-suspend; + non-removable; + wakeup-source; + mmc-pwrseq =3D <&usdhc1_pwrseq>; + vmmc-supply =3D <®_m2_wlan>; + status =3D "okay"; +}; + &usdhc2 { assigned-clocks =3D <&clk IMX8MP_CLK_USDHC2>; assigned-clock-rates =3D <400000000>; @@ -1169,6 +1189,45 @@ MX8MP_IOMUXC_ECSPI1_MISO__UART3_DCE_CTS 0x140 >; }; =20 + pinctrl_usdhc1: usdhc1grp { + fsl,pins =3D < + 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 =3D < + 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 =3D < + 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 =3D < + MX8MP_IOMUXC_SD1_RESET_B__GPIO2_IO10 0x140 + >; + }; + pinctrl_usdhc2: usdhc2grp { fsl,pins =3D < MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x190 --=20 2.37.1