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Commit 6e823e97 authored by Fabio Estevam's avatar Fabio Estevam Committed by Shawn Guo
Browse files

ARM: dts: imx7d-sdb: Add Wifi support 



imx7d-sdb has a BCM4339 Wifi chip connected to USDHC2.

Add support for it.

While at it, move the WL_REG_ON pin to the correct pinctrl node.

Signed-off-by: default avatarFabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent b877039a

arch/arm/boot/dts/imx7d-sdb.dts

+31 −1
Original line number Diff line number Diff line
@@ -105,6 +105,18 @@ 
		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <1800000>;

	};



	reg_brcm: regulator-brcm {

		compatible = "regulator-fixed";

		gpio = <&gpio4 21 GPIO_ACTIVE_HIGH>;

		enable-active-high;

		regulator-name = "brcm_reg";

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_brcm_reg>;

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		startup-delay-us = <200000>;

	};

};



&adc1 {
@@ -379,6 +391,19 @@ 
	status = "okay";

};



&usdhc2 {

	pinctrl-names = "default", "state_100mhz", "state_200mhz";

	pinctrl-0 = <&pinctrl_usdhc2>;

	pinctrl-1 = <&pinctrl_usdhc2_100mhz>;

	pinctrl-2 = <&pinctrl_usdhc2_200mhz>;

	wakeup-source;

	keep-power-in-suspend;

	non-removable;

	vmmc-supply = <&reg_brcm>;

	fsl,tuning-step = <2>;

	status = "okay";

};



&usdhc3 {

	pinctrl-names = "default", "state_100mhz", "state_200mhz";

	pinctrl-0 = <&pinctrl_usdhc3>;
@@ -403,6 +428,12 @@ 
	pinctrl-0 = <&pinctrl_hog>;



	imx7d-sdb {

		pinctrl_brcm_reg: brcmreggrp {

			fsl,pins = <

				MX7D_PAD_ECSPI2_MOSI__GPIO4_IO21	0x14

			>;

		};



		pinctrl_ecspi3: ecspi3grp {

			fsl,pins = <

				MX7D_PAD_SAI2_TX_SYNC__ECSPI3_MISO	0x2
@@ -570,7 +601,6 @@ 
				MX7D_PAD_SD2_DATA1__SD2_DATA1		0x59

				MX7D_PAD_SD2_DATA2__SD2_DATA2		0x59

				MX7D_PAD_SD2_DATA3__SD2_DATA3		0x59

				MX7D_PAD_ECSPI2_MOSI__GPIO4_IO21	0x59 /* WL_REG_ON */

			>;

		};