linux-kernel - [PATCH V2 13/15] arm64: dts: imx8mm-evk: Enable usdhc1 to support wifi

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Message-Id: <20221024031351.4135651-14-peng.fan@oss.nxp.com>
Date:   Mon, 24 Oct 2022 11:13:49 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de
Cc:     kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Sherry Sun <sherry.sun@....com>, Peng Fan <peng.fan@....com>
Subject: [PATCH V2 13/15] arm64: dts: imx8mm-evk: Enable usdhc1 to support wifi

From: Sherry Sun <sherry.sun@....com>

Enable usdhc1 which is used for wifi.

Signed-off-by: Sherry Sun <sherry.sun@....com>
Signed-off-by: Peng Fan <peng.fan@....com>
---
 arch/arm64/boot/dts/freescale/imx8mm-evk.dts  | 23 +++++++++++
 arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 39 +++++++++++++++++++
 2 files changed, 62 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
index a2b24d4d4e3e..c93387fcd498 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
@@ -15,6 +15,17 @@ / {
 	aliases {
 		spi0 = &flexspi;
 	};
+
+	reg_sd1_vmmc: sd1_regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "WLAN_EN";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio2 10 GPIO_ACTIVE_HIGH>;
+		off-on-delay = <20000>;
+		startup-delay-us = <100>;
+		enable-active-high;
+	};
 };
 
 &ddrc {
@@ -53,6 +64,18 @@ flash@0 {
 	};
 };
 
+&usdhc1 {
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
+	pinctrl-0 = <&pinctrl_usdhc1>, <&pinctrl_usdhc1_gpio>;
+	pinctrl-1 = <&pinctrl_usdhc1_100mhz>, <&pinctrl_usdhc1_gpio>;
+	pinctrl-2 = <&pinctrl_usdhc1_200mhz>, <&pinctrl_usdhc1_gpio>;
+	bus-width = <4>;
+	vmmc-supply = <&reg_sd1_vmmc>;
+	keep-power-in-suspend;
+	non-removable;
+	status = "okay";
+};
+
 &usdhc3 {
 	assigned-clocks = <&clk IMX8MM_CLK_USDHC3_ROOT>;
 	assigned-clock-rates = <400000000>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
index 7d6317d95b13..ce450965e837 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
@@ -559,6 +559,45 @@ MX8MM_IOMUXC_UART2_TXD_UART2_DCE_TX	0x140
 		>;
 	};
 
+	pinctrl_usdhc1_gpio: usdhc1grpgpio {
+		fsl,pins = <
+			MX8MM_IOMUXC_SD1_RESET_B_GPIO2_IO10	0x41
+		>;
+	};
+
+	pinctrl_usdhc1: usdhc1grp {
+		fsl,pins = <
+			MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK		0x190
+			MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD		0x1d0
+			MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0	0x1d0
+			MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1	0x1d0
+			MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2	0x1d0
+			MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3	0x1d0
+		>;
+	};
+
+	pinctrl_usdhc1_100mhz: usdhc1grp100mhz {
+		fsl,pins = <
+			MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK		0x194
+			MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD		0x1d4
+			MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0	0x1d4
+			MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1	0x1d4
+			MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2	0x1d4
+			MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3	0x1d4
+		>;
+	};
+
+	pinctrl_usdhc1_200mhz: usdhc1grp200mhz {
+		fsl,pins = <
+			MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK		0x196
+			MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD		0x1d6
+			MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0	0x1d6
+			MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1	0x1d6
+			MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2	0x1d6
+			MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3	0x1d6
+		>;
+	};
+
 	pinctrl_usdhc2_gpio: usdhc2grpgpiogrp {
 		fsl,pins = <
 			MX8MM_IOMUXC_GPIO1_IO15_GPIO1_IO15	0x1c4
-- 
2.37.1