linux-kernel - [PATCH v4 01/10] arm64: dts: imx8mm-nitrogen-r2: add wifi/bt chip

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Message-Id: <20210223191652.436397-2-adrien.grassein@gmail.com>
Date:   Tue, 23 Feb 2021 20:16:44 +0100
From:   Adrien Grassein <adrien.grassein@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     krzk@...nel.org, robh+dt@...nel.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        linux-imx@....com, catalin.marinas@....com, will@...nel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Adrien Grassein <adrien.grassein@...il.com>
Subject: [PATCH v4 01/10] arm64: dts: imx8mm-nitrogen-r2: add wifi/bt chip

Add usdhc3 description which corresponds to the wifi/bt chip

Signed-off-by: Adrien Grassein <adrien.grassein@...il.com>
---
 .../boot/dts/freescale/imx8mm-nitrogen-r2.dts | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
index c0c384d76147..4a3dabeb8c85 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
@@ -9,6 +9,24 @@
 / {
 	model = "Boundary Devices i.MX8MMini Nitrogen8MM Rev2";
 	compatible = "boundary,imx8mm-nitrogen8mm", "fsl,imx8mm";
+
+	reg_vref_1v8: regulator-vref-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "vref-1v8";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
+	reg_wlan_vmmc: regulator-wlan-vmmc {
+		compatible = "regulator-fixed";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_reg_wlan_vmmc>;
+		regulator-name = "reg_wlan_vmmc";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio3 20 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
 };
 
 &A53_0 {
@@ -206,6 +224,20 @@ &usdhc2 {
 	status = "okay";
 };
 
+/* wlan */
+&usdhc3 {
+	bus-width = <4>;
+	sdhci-caps-mask = <0x2 0x0>;
+	non-removable;
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
+	pinctrl-0 = <&pinctrl_usdhc3>;
+	pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
+	pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
+	vmmc-supply = <&reg_wlan_vmmc>;
+	vqmmc-supply = <&reg_vref_1v8>;
+	status = "okay";
+};
+
 &wdog1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_wdog>;
@@ -264,6 +296,12 @@ MX8MM_IOMUXC_SAI2_RXC_GPIO4_IO22 0x1c0
 		>;
 	};
 
+	pinctrl_reg_wlan_vmmc: reg-wlan-vmmcgrp {
+		fsl,pins = <
+			MX8MM_IOMUXC_SAI5_RXC_GPIO3_IO20 0x16
+		>;
+	};
+
 	pinctrl_uart2: uart2grp {
 		fsl,pins = <
 			MX8MM_IOMUXC_UART2_RXD_UART2_DCE_RX 0x140
-- 
2.25.1