[PATCH v4 9/9] arm64: dts: amlogic: t7: khadas-vim4: Add MMC nodes

[Neil Armstrong]

On 3/25/26 10:15, Ronald Claveau wrote:
> Enable and configure the three MMC controllers for the Khadas VIM4 board:
> - sd_emmc_a: SDIO interface for the BCM43752 Wi-Fi module
> - sd_emmc_b: SD card slot
> - sd_emmc_c: eMMC storage
> 
> Signed-off-by: Ronald Claveau <linux-kernel-dev at aliel.fr>
> ---
>   .../dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts  | 90 +++++++++++++++++++++-
>   1 file changed, 89 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
> index 770f06b0b16c7..5a73ae081036c 100644
> --- a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
> +++ b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
> @@ -14,7 +14,10 @@ / {
>   	compatible = "khadas,vim4", "amlogic,a311d2", "amlogic,t7";
>   
>   	aliases {
> -		serial0 = &uart_a;
> +		serial0	= &uart_a;

Spurious change

> +		mmc0	= &sd_emmc_c;
> +		mmc1	= &sd_emmc_b;
> +		mmc2	= &sd_emmc_a;
>   	};
>   
>   	memory at 0 {
> @@ -159,6 +162,91 @@ &pwm_ab {
>   	pinctrl-names = "default";
>   };
>   
> +/* SDIO */
> +&sd_emmc_a {
> +	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-sdr12;
> +	sd-uhs-sdr25;
> +	sd-uhs-sdr50;
> +	sd-uhs-sdr104;
> +	cap-sdio-irq;
> +	max-frequency = <200000000>;
> +	non-removable;
> +	disable-wp;
> +	no-mmc;
> +	no-sd;
> +
> +	power-domains = <&pwrc PWRC_T7_SDIO_A_ID>;
> +
> +	keep-power-in-suspend;
> +
> +	mmc-pwrseq = <&sdio_pwrseq>;
> +
> +	vmmc-supply = <&vddao_3v3>;
> +	vqmmc-supply = <&vddao_1v8>;
> +
> +	brcmf: wifi at 1 {
> +		reg = <1>;
> +		compatible = "brcm,bcm43752-fmac", "brcm,bcm4329-fmac";
> +	};
> +};
> +
> +/* SD card */
> +&sd_emmc_b {
> +	status = "okay";
> +	pinctrl-0 = <&sdcard_pins>;
> +	pinctrl-1 = <&sdcard_clk_gate_pins>;
> +	pinctrl-names = "default", "clk-gate";
> +
> +	bus-width = <4>;
> +	cap-sd-highspeed;
> +	sd-uhs-sdr12;
> +	sd-uhs-sdr25;
> +	sd-uhs-sdr50;
> +	sd-uhs-sdr104;
> +	max-frequency = <200000000>;
> +	disable-wp;
> +	no-sdio;
> +	no-mmc;
> +
> +	power-domains = <&pwrc PWRC_T7_SDIO_B_ID>;
> +
> +	cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
> +	vmmc-supply = <&sd_3v3>;
> +	vqmmc-supply = <&vddio_c>;
> +};
> +
> +/* eMMC */
> +&sd_emmc_c {
> +	status = "okay";
> +	pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
> +	pinctrl-1 = <&emmc_clk_gate_pins>;
> +	pinctrl-names = "default", "clk-gate";
> +
> +	bus-width = <8>;
> +	cap-mmc-highspeed;
> +	mmc-ddr-1_8v;
> +	mmc-hs200-1_8v;
> +	max-frequency = <200000000>;
> +	disable-wp;
> +	non-removable;
> +	no-sdio;
> +	no-sd;
> +
> +	power-domains = <&pwrc PWRC_T7_EMMC_ID>;
> +
> +	vmmc-supply = <&vddio_3v3>;
> +	vqmmc-supply = <&vddio_1v8>;
> +};
> +
>   &uart_a {
>   	status = "okay";
>   	clocks = <&xtal>, <&xtal>, <&xtal>;
> 

With that:

Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>

Thanks,
Neil