From 8e36084386d07a07f755bda978875b1354162019 Mon Sep 17 00:00:00 2001
From: Gunjan Gupta <viraniac@gmail.com>
Date: Wed, 13 Dec 2023 19:15:45 +0000
Subject: [PATCH] arm64: dts: h616: add wifi support for orange pi zero 2 and
 zero3

---
 .../allwinner/sun50i-h616-orangepi-zero.dtsi  | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi
index 19451a0c85ae..400966667d1e 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi
@@ -59,6 +59,34 @@ reg_usb1_vbus: regulator-usb1-vbus {
 		gpio = <&pio 2 16 GPIO_ACTIVE_HIGH>; /* PC16 */
 		status = "okay";
 	};
+
+	reg_vcc33_wifi: vcc33-wifi {
+		/* Always on 3.3V regulator for WiFi and BT */
+		compatible = "regulator-fixed";
+		regulator-name = "vcc33-wifi";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+		vin-supply = <&reg_vcc5v>;
+	};
+
+	reg_vcc_wifi_io: vcc-wifi-io {
+		/* Always on 1.8V/300mA regulator for WiFi and BT IO */
+		compatible = "regulator-fixed";
+		regulator-name = "vcc-wifi-io";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+		vin-supply = <&reg_vcc33_wifi>;
+	};
+
+	wifi_pwrseq: wifi-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		clocks = <&rtc 1>;
+		clock-names = "osc32k-out";
+		reset-gpios = <&pio 6 18 GPIO_ACTIVE_LOW>; /* PG18 */
+		post-power-on-delay-ms = <200>;
+	};
 };
 
 &ehci1 {
@@ -90,6 +118,16 @@ &mmc0 {
 	status = "okay";
 };
 
+&mmc1 {
+	vmmc-supply = <&reg_vcc33_wifi>;
+	vqmmc-supply = <&reg_vcc_wifi_io>;
+	mmc-pwrseq = <&wifi_pwrseq>;
+	bus-width = <4>;
+	non-removable;
+	mmc-ddr-1_8v;
+	status = "okay";
+};
+
 &ohci1 {
 	status = "okay";
 };
-- 
2.34.1

