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From: Sherry Sun <sherry.sun@nxp.com>
To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
	Frank.Li@nxp.com, s.hauer@pengutronix.de, festevam@gmail.com
Cc: imx@lists.linux.dev, kernel@pengutronix.de,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH V2 2/2] arm64: dts: imx8mp-evk: Add usdhc1 for SDIO WiFi support
Date: Thu,  5 Feb 2026 15:34:54 +0800	[thread overview]
Message-ID: <20260205073454.3709673-3-sherry.sun@nxp.com> (raw)
In-Reply-To: <20260205073454.3709673-1-sherry.sun@nxp.com>

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 | 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;
 	};
 
-	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 @@ 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


  parent reply	other threads:[~2026-02-05  7:33 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-05  7:34 [PATCH V2 0/2] arm64: dts: imx8mp-evk: Add usdhc1 for SDIO WiFi support Sherry Sun
2026-02-05  7:34 ` [PATCH V2 1/2] arm64: dts: imx8mp-evk: Enable pull select bit for PCIe regulator GPIO (M.2 W_DISABLE1) Sherry Sun
2026-02-05 15:14   ` Frank Li
2026-02-05  7:34 ` Sherry Sun [this message]
2026-02-05 15:15   ` [PATCH V2 2/2] arm64: dts: imx8mp-evk: Add usdhc1 for SDIO WiFi support Frank Li
2026-03-02 19:28   ` Frank Li
2026-03-02 16:17 ` [PATCH V2 0/2] " Frank Li

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