arm64: dts: renesas: cat874: Add WLAN support

This patch enables WLAN support for the CAT874 board.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts b/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts
index b7183f1..72cccfc 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts
+++ b/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts
@@ -104,6 +104,17 @@
                          1800000 0>;
        };
 
+       wlan_en_reg: fixedregulator {
+               compatible = "regulator-fixed";
+               regulator-name = "wlan-en-regulator";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               startup-delay-us = <70000>;
+
+               gpio = <&gpio2 25 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
        x13_clk: x13 {
                compatible = "fixed-clock";
                #clock-cells = <0>;
@@ -243,6 +254,12 @@
                power-source = <1800>;
        };
 
+       sdhi3_pins: sd3 {
+               groups = "sdhi3_data4", "sdhi3_ctrl";
+               function = "sdhi3";
+               power-source = <1800>;
+       };
+
        sound_pins: sound {
                groups = "ssi01239_ctrl", "ssi0_data";
                function = "ssi";
@@ -300,6 +317,27 @@
        status = "okay";
 };
 
+&sdhi3 {
+       status = "okay";
+       pinctrl-0 = <&sdhi3_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 = <&gpio1>;
+               interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+       };
+};
+
 &usb2_phy0 {
        renesas,no-otg-pins;
        status = "okay";