From: Xu Xuehui <xxh@rock-chips.com>
Date: Sat, 1 Apr 2017 01:43:33 +0000 (+0800)
Subject: arm64: dts add Rockchip RK3328 EVB board for wifi
X-Git-Tag: firefly_0821_release~157
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e43d9904991743158aa35fd2471ed7b838babc53;p=firefly-linux-kernel-4.4.55.git

arm64: dts add Rockchip RK3328 EVB board for wifi

Change-Id: Ia6588ebd31e34230ff137edc60cb7ffc433391e5
Signed-off-by: Xu Xuehui <xxh@rock-chips.com>
---

diff --git a/arch/arm64/boot/dts/rockchip/rk3328-evb.dts b/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
index 4f502fe0d394..2ff40704183e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
@@ -75,6 +75,30 @@
 		regulator-always-on;
 		regulator-boot-on;
 	};
+
+	sdio_pwrseq: sdio-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		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 = <&gpio1 18 GPIO_ACTIVE_LOW>;
+	};
+
+	wireless-wlan {
+		compatible = "wlan-platdata";
+		rockchip,grf = <&grf>;
+		wifi_chip_type = "ap6354";
+		sdio_vref = <1800>;
+		WIFI,host_wake_irq = <&gpio1 19 GPIO_ACTIVE_HIGH>;
+		status = "okay";
+	};
+
 };
 
 &cpu0 {
@@ -314,4 +338,11 @@
 			<2 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>;	/* gpio2_a6 */
 		};
 	};
+
+	sdio-pwrseq {
+		wifi_enable_h: wifi-enable-h {
+		rockchip,pins =
+			<1 18 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
 };