[PATCH v5 3/4] arm64: dts: allwinner: h700: Add RG35XX-Plus DTS

Ryan Walklin
2024-04-26T21:42:10Z

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>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
---
Changelog v1..v2:
- Update copyright
- Spaces -> Tabs
- Remove redundant &uart0 node and DTS version tag
- Add GPIO bank comments
- Use generic pwrseq name

Changelog v2..v3:
- Add DTB to Makefile
- Correct Wifi vqmmc-supply to ALDO4
- Move changelog below fold-line

Changelog v3..v4:
- Fix sdio_wifi node indent

Signed-off-by: Ryan Walklin <ryan@testtoast.com>
---
arch/arm64/boot/dts/allwinner/Makefile | 1 +
.../sun50i-h700-anbernic-rg35xx-plus.dts | 53 +++++++++++++++++++
2 files changed, 54 insertions(+)
create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-plus.dts

diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
index 6f997157968e..4217328b1889 100644
--- a/arch/arm64/boot/dts/allwinner/Makefile
+++ b/arch/arm64/boot/dts/allwinner/Makefile
@@ -48,3 +48,4 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h618-orangepi-zero2w.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h618-orangepi-zero3.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h618-transpeed-8k618-t.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h700-anbernic-rg35xx-2024.dtb
+dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h700-anbernic-rg35xx-plus.dtb
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..60a8e4922103
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-plus.dts
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Copyright (C) 2024 Ryan Walklin <ryan@testtoast.com>.
+ */
+
+#include "sun50i-h700-anbernic-rg35xx-2024.dts"
+
+/ {
+ model = "Anbernic RG35XX Plus";
+ compatible = "anbernic,rg35xx-plus", "allwinner,sun50i-h700";
+
+ wifi_pwrseq: 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 */
+&mmc1 {
+ vmmc-supply = <&reg_cldo4>;
+ vqmmc-supply = <&reg_aldo4>;
+ 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";
+ };
+};
+
+/* Bluetooth RTL8821CS */
+&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>; /* PG17 */
+ enable-gpios = <&pio 6 19 GPIO_ACTIVE_HIGH>; /* PG19 */
+ host-wake-gpios = <&pio 6 16 GPIO_ACTIVE_HIGH>; /* PG16 */
+ };
+};
--
2.44.0