From 6e823e9720b7e2aa36138bc776001069df851e13 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Mon, 5 Jun 2017 08:17:48 -0300 Subject: [PATCH] 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: Fabio Estevam Signed-off-by: Shawn Guo --- arch/arm/boot/dts/imx7d-sdb.dts | 32 +++++++++++++++++++++++++++++++- 1 file changed, 31 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts index 291f556029f6..52e40c1d8d40 100644 --- a/arch/arm/boot/dts/imx7d-sdb.dts +++ b/arch/arm/boot/dts/imx7d-sdb.dts @@ -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 = <®_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 */ >; }; -- 2.39.5