[PATCH 3/4] arm64: dts: allwinner: h700: Add RG35XX-Plus DTS

[Ryan Walklin <ryan@testtoast.com>]

From: Ryan Walklin <ryan@testtoast.com>

The RG35XX-Plus adds a RTL8221CS SDIO Wifi/BT chip to the RG35XX (2024).

Enabled in this DTS:
- WiFi
- Bluetooth
- Supporting power sequence and GPIOs

Signed-off-by: Ryan Walklin <ryan@testtoast.com>
---
 .../sun50i-h700-anbernic-rg35xx-plus.dts      | 63 +++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-plus.dts

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-plus.dts b/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-plus.dts
new file mode 100644
index 000000000000..b9a163ed5d0b
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-plus.dts
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Copyright (C) 2024 Andre Przywara <andre.przywara@arm.com>.
+ * Copyright (C) 2024 Ryan Walklin <ryan@testtoast.com>.
+ * Copyright (C) 2024 Chris Morgan <macroalpha82@gmail.com>.
+ */
+
+/dts-v1/;
+
+#include "sun50i-h700-anbernic-rg35xx-2024.dts"
+
+/ {
+    model = "Anbernic RG35XX Plus";
+    compatible = "anbernic,rg35xx-plus", "allwinner,sun50i-h700";
+
+    wifi_pwrseq: wifi_pwrseq {
+        compatible = "mmc-pwrseq-simple";
+        clocks = <&rtc CLK_OSC32K_FANOUT>;
+        clock-names = "ext_clock";
+        pinctrl-0 = <&x32clk_fanout_pin>;
+        pinctrl-names = "default";
+        post-power-on-delay-ms = <200>;
+        reset-gpios = <&pio 6 18 GPIO_ACTIVE_LOW>; /* PG18 */
+    };
+};
+
+/* SDIO WiFi RTL8821CS, powered by CLDO4, regon=PG18, hostwake=PG15 */
+&mmc1 {
+    vmmc-supply = <&reg_cldo4>;
+    vqmmc-supply = <&reg_vcc1v8>;
+    mmc-pwrseq = <&wifi_pwrseq>;
+    bus-width = <4>;
+    non-removable;
+    status = "okay";
+
+    sdio_wifi: wifi@1 {
+       reg = <1>;
+       interrupt-parent = <&pio>;
+       interrupts = <6 15 IRQ_TYPE_LEVEL_LOW>; /* PG15 */
+       interrupt-names = "host-wake";
+    };
+};
+
+&uart0 {
+    pinctrl-names = "default";
+    pinctrl-0 = <&uart0_ph_pins>;
+    status = "okay";
+};
+
+/* Bluetooth RTL8821CS, RST_N: PG19, BT_WAKE: PG17, BT_HOSTWAKE: PG16 */
+&uart1 {
+    pinctrl-names = "default";
+    pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
+    uart-has-rtscts;
+    status = "okay";
+
+    bluetooth {
+        compatible = "realtek,rtl8821cs-bt", "realtek,rtl8723bs-bt";
+        device-wake-gpios = <&pio 6 17 GPIO_ACTIVE_HIGH>;
+        enable-gpios = <&pio 6 19 GPIO_ACTIVE_HIGH>;
+        host-wake-gpios = <&pio 6 16 GPIO_ACTIVE_HIGH>;
+    };
+};
-- 
2.44.0