ARM: dts: rk3288: support AP6335 wifi for rk3288-firefly

This patch add and enable AP6335 wifi node for rk3288-firefly

Change-Id: I5db126aa50b7d83cd50498d487c35383c900b855
Signed-off-by: Nickey Yang <nickey.yang@rock-chips.com>

arch/arm/boot/dts/rk3288-firefly.dtsi

@@ -120,6 +120,22 @@
 		};
 	};
 
+	sdio_pwrseq: sdio-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		clocks = <&hym8563>;
+		clock-names = "ext_clock";
+		pinctrl-names = "default";
+		pinctrl-0 = <&wifi_enable_h>;
+
+		/*
+		 * On the module itself this is one of these (depending
+		 * on the actual card populated):
+		 * - SDIO_RESET_L_WL_REG_ON
+		 * - PDN (power down when low)
+		 */
+		reset-gpios = <&gpio4 28 GPIO_ACTIVE_LOW>;
+	};
+
 	vbat_wl: vcc_sys: vsys-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc_sys";
@@ -201,6 +217,15 @@
 		regulator-always-on;
 		vin-supply = <&vcc_io>;
 	};
+
+	wireless-wlan {
+		compatible = "wlan-platdata";
+		rockchip,grf = <&grf>;
+		wifi_chip_type = "ap6335";
+		sdio_vref = <1800>;
+		WIFI,host_wake_irq = <&gpio4 30 GPIO_ACTIVE_HIGH>;
+		status = "okay";
+	};
 };
 
 &cpu0 {
@@ -455,6 +480,12 @@
 		};
 	};
 
+	sdio-pwrseq {
+		wifi_enable_h: wifi-enable-h {
+			rockchip,pins = <4 28 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
 	sdmmc {
 		sdmmc_pwr: sdmmc-pwr {
 			rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>;
@@ -484,12 +515,21 @@
 };
 
 &sdio0 {
+	clock-frequency = <50000000>;
+	clock-freq-min-max = <200000 50000000>;
+
 	bus-width = <4>;
+	cap-sd-highspeed;
+	cap-sdio-irq;
 	disable-wp;
+	keep-power-in-suspend;
+	mmc-pwrseq = <&sdio_pwrseq>;
 	non-removable;
 	num-slots = <1>;
 	pinctrl-names = "default";
-	pinctrl-0 = <&sdio0_bus4>, <&sdio0_cmd>, <&sdio0_clk>;
+	pinctrl-0 = <&sdio0_bus4 &sdio0_cmd &sdio0_clk &sdio0_int>;
+	sd-uhs-sdr104;
+	supports-sdio;
 	vmmc-supply = <&vbat_wl>;
 	vqmmc-supply = <&vccio_wl>;
 	status = "okay";