arm64: dts: renesas: hihope-common: Add WLAN support

This patch enables WLAN support for the HiHope RZ/G2[MN] boards.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/hihope-common.dtsi b/arch/arm64/boot/dts/renesas/hihope-common.dtsi
index fdeb4d2..52d61c9 100644 (file)
--- a/arch/arm64/boot/dts/renesas/hihope-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/hihope-common.dtsi
@@ -54,6 +54,13 @@
                led3 {
                        gpios = <&gpio0  0 GPIO_ACTIVE_HIGH>;
                };
+
+               wlan_active_led {
+                       label = "yellow:wlan";
+                       gpios = <&gpio7  1 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "phy0tx";
+                       default-state = "off";
+               };
        };
 
        reg_1p8v: regulator0 {
@@ -98,6 +105,17 @@
                          1800000 0>;
        };
 
+       wlan_en_reg: regulator-wlan_en {
+               compatible = "regulator-fixed";
+               regulator-name = "wlan-en-regulator";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               startup-delay-us = <70000>;
+
+               gpio = <&gpio_expander 1 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
        x302_clk: x302-clock {
                compatible = "fixed-clock";
                #clock-cells = <0>;
@@ -242,6 +260,12 @@
                power-source = <1800>;
        };
 
+       sdhi2_pins: sd2 {
+               groups = "sdhi2_data4", "sdhi2_ctrl";
+               function = "sdhi2";
+               power-source = <1800>;
+       };
+
        sdhi3_pins: sd3 {
                groups = "sdhi3_data8", "sdhi3_ctrl", "sdhi3_ds";
                function = "sdhi3";
@@ -301,6 +325,27 @@
        status = "okay";
 };
 
+&sdhi2 {
+       status = "okay";
+       pinctrl-0 = <&sdhi2_pins>;
+       pinctrl-names = "default";
+
+       vmmc-supply = <&wlan_en_reg>;
+       bus-width = <4>;
+       non-removable;
+       cap-power-off-card;
+       keep-power-in-suspend;
+
+       #address-cells = <1>;
+       #size-cells = <0>;
+       wlcore: wlcore@2 {
+               compatible = "ti,wl1837";
+               reg = <2>;
+               interrupt-parent = <&gpio2>;
+               interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;
+       };
+};
+
 &sdhi3 {
        pinctrl-0 = <&sdhi3_pins>;
        pinctrl-1 = <&sdhi3_pins>;