ARM: dts: imx7s-warp: Add Wifi support

Warp7 has a BCM43430 Wifi chip connected to the USDHC1 port.

Add support for it.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx7s-warp.dts b/arch/arm/boot/dts/imx7s-warp.dts
index f819003..4d4959c 100644 (file)
--- a/arch/arm/boot/dts/imx7s-warp.dts
+++ b/arch/arm/boot/dts/imx7s-warp.dts
@@ -54,6 +54,18 @@
                reg = <0x80000000 0x20000000>;
        };
 
+       reg_brcm: regulator-brcm {
+               compatible = "regulator-fixed";
+               enable-active-high;
+               gpio = <&gpio5 10 GPIO_ACTIVE_HIGH>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_brcm_reg>;
+               regulator-name = "brcm_reg";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               startup-delay-us = <200000>;
+       };
+
        sound {
                compatible = "simple-audio-card";
                simple-audio-card,name = "imx7-sgtl5000";
@@ -221,6 +233,17 @@
        status = "okay";
 };
 
+&usdhc1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_usdhc1>;
+       bus-width = <4>;
+       keep-power-in-suspend;
+       no-1-8-v;
+       non-removable;
+       vmmc-supply = <&reg_brcm>;
+       status = "okay";
+};
+
 &usdhc3 {
        pinctrl-names = "default", "state_100mhz", "state_200mhz";
        pinctrl-0 = <&pinctrl_usdhc3>;
@@ -235,6 +258,12 @@
 };
 
 &iomuxc {
+       pinctrl_brcm_reg: brcmreggrp {
+               fsl,pins = <
+                       MX7D_PAD_SD2_WP__GPIO5_IO10     0x14 /* WL_REG_ON */
+               >;
+       };
+
        pinctrl_i2c1: i2c1grp {
                fsl,pins = <
                        MX7D_PAD_I2C1_SDA__I2C1_SDA             0x4000007f
@@ -266,6 +295,18 @@
                >;
        };
 
+       pinctrl_usdhc1: usdhc1grp {
+               fsl,pins = <
+                       MX7D_PAD_SD1_CMD__SD1_CMD       0x59
+                       MX7D_PAD_SD1_CLK__SD1_CLK       0x19
+                       MX7D_PAD_SD1_DATA0__SD1_DATA0   0x59
+                       MX7D_PAD_SD1_DATA1__SD1_DATA1   0x59
+                       MX7D_PAD_SD1_DATA2__SD1_DATA2   0x59
+                       MX7D_PAD_SD1_DATA3__SD1_DATA3   0x59
+                       MX7D_PAD_SD2_RESET_B__GPIO5_IO11 0x14 /* WL_HOST_WAKE */
+               >;
+       };
+
        pinctrl_usdhc3: usdhc3grp {
                fsl,pins = <
                        MX7D_PAD_SD3_CMD__SD3_CMD               0x59