On Sat, 20 Apr 2024 22:43:57 +1200
Ryan Walklin <ryan@xxxxxxxxxxxxx> wrote:
Hi,
> 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
>
> Changelog v1..v2:
> - Update copyright
> - Spaces -> Tabs
> - Remove redundant &uart0 node and DTS version tag
> - Add GPIO bank comments
> - Use generic pwrseq name
>
> Signed-off-by: Ryan Walklin <ryan@xxxxxxxxxxxxx>
> ---
> .../sun50i-h700-anbernic-rg35xx-plus.dts | 53 +++++++++++++++++++
> 1 file changed, 53 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..67ba1c7bb3ca
> --- /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@xxxxxxxxxxxxx>.
> + */
> +
> +#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 = <®_cldo4>;
> + vqmmc-supply = <®_pll_dcx0>;
It would be great to confirm what the I/O voltage for MMC1/WiFi really
is, 1.8V or 3.3V? Is someone with a board able to measure this?
The rest looks good to me, thanks for the changes.
Cheers,
Andre
> + 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 */
> + };
> +};
