Re: [PATCH v4 2/2] arm64: dts: amlogic: add support for Amediatech X98Q

[Ferass El Hafidi <funderscore@postmarketos.org>]

On Wed, 22 Apr 2026 09:58, christian.koever-draxl@student.uibk.ac.at wrote:
>From: Christian Stefan Kövér-Draxl <christian.koever-draxl@student.uibk.ac.at>
>
>Add dts enabling core hardware for the Amediatech X98Q TV box.
>
>The board features:
>- Amlogic S905W2 (Meson S4) SoC
>- 1 GiB RAM (2 GiB variants exist)
>- eMMC and microSD card slot
>- SDIO-based WiFi module (unsupported)
>- RMII Ethernet with internal PHY
>- IR receiver and UART console
>- Status LED
>
>Enabled peripherals:
>- eMMC (HS200)
>- SD card interface
>- SDIO bus (WiFi, no driver yet)
>- Ethernet (RMII)
>- UART_B
>- IR receiver
>- PWM-controlled CPU regulator
>- PWM and Fixed regulators for core and IO rails
>
>Known limitations:
>- No support for the onboard WiFi module
>- Missing multimedia (HDMI/audio)
>
>Signed-off-by: Christian Stefan Kövér-Draxl <christian.koever-draxl@student.uibk.ac.at>
>---
> arch/arm64/boot/dts/amlogic/Makefile          |   1 +
> .../boot/dts/amlogic/meson-s4-s905w2-x98q.dts | 249 ++++++++++++++++++
> 2 files changed, 250 insertions(+)
> create mode 100644 arch/arm64/boot/dts/amlogic/meson-s4-s905w2-x98q.dts
><...>
>+&sd {
>+	status = "okay";
>+	pinctrl-0 = <&sdcard_pins>;
>+	pinctrl-1 = <&sdcard_clk_gate_pins>;
>+	pinctrl-names = "default", "clk-gate";
>+	bus-width = <4>;
>+	cap-sd-highspeed;
>+	max-frequency = <50000000>;
>+	disable-wp;
>+
>+	cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
>+
>+	vmmc-supply = <&vddao_3v3>;
>+	vqmmc-supply = <&vddao_3v3>;
>+};
>+
>+     /*
>+      * Wireless SDIO Module (Amlogic W150S1)
>+      * Note: There is no driver for this at the moment.
>+      */
>+

I didn't mean to indent, just to align the '*'.
Sorry it wasn't clear.

>+&sdio {
>+	status = "okay";
>+	pinctrl-0 = <&sdio_pins>;
>+	pinctrl-1 = <&sdio_clk_gate_pins>;
>+	pinctrl-names = "default", "clk-gate";
>+	#address-cells = <1>;
>+	#size-cells = <0>;
>+	bus-width = <4>;
>+	cap-sd-highspeed;
>+	sd-uhs-sdr50;
>+	sd-uhs-sdr104;
>+	max-frequency = <200000000>;
>+	non-removable;
>+	disable-wp;
>+
>+	no-sd;
>+	no-mmc;
>+	mmc-pwrseq = <&sdio_pwrseq>;
>+	vmmc-supply = <&vddao_3v3>;
>+	vqmmc-supply = <&vddio_ao1v8>;
>+};
>+
>+&uart_b {
>+	status = "okay";
>+};
>-- 
>2.53.0

--
Best regards,
Ferass