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 = <®_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
next prev 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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