meta-sunxi/recipes-kernel/linux/linux-mainline-6.1.9/orange-pi-zero2/0010-dts-add-wifi-power-regulator.patch

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From 899da8366afd97b1ca59b632036dc313777026da Mon Sep 17 00:00:00 2001
From: pbiel <pbiel7@gmail.com>
Date: Fri, 24 Feb 2023 22:14:58 +0100
Subject: [PATCH] Add wifi power regulator
---
.../allwinner/sun50i-h616-orangepi-zero2.dts | 47 +++++++++++++++++++
1 file changed, 47 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts
index 02893f3ac..88234a139 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts
@@ -49,6 +49,53 @@ reg_vcc5v: vcc5v {
regulator-max-microvolt = <5000000>;
regulator-always-on;
};
+
+ 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>;
+ };
+};
+
+&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";
+ uwe-bsp {
+ compatible = "unisoc,uwe_bsp";
+ keep-power-on;
+ data-irq;
+ //adma-tx;
+ adma-rx;
+ //blksz-512;
+ status = "okay";
+ };
};
&emac0 {
--
2.34.1