[PATCH v2] arm64: dts: amlogic: meson-s4-s905y4-khadas-vim1s: enable SDIO interface
neil.armstrong at linaro.org
neil.armstrong at linaro.org
Wed Jan 21 08:44:01 PST 2026
On 1/21/26 02:47, Nick Xie wrote:
> Enable the SDIO controller interface connected to the on-board
> AP6256 WiFi/BT module.
>
> Signed-off-by: Nick Xie <nick at khadas.com>
> ---
> Changes in v2:
> - Dropped 'amlogic,dram-access-quirk' property as it is not required for S905Y4.
> - Updated compatible string to specific "brcm,bcm43456-fmac".
> - Link to v1: https://lore.kernel.org/all/20260116023900.2036657-1-nick@khadas.com/
>
> .../amlogic/meson-s4-s905y4-khadas-vim1s.dts | 27 +++++++++++++++++++
> 1 file changed, 27 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts b/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts
> index 4a66c1bec965e..27d0f6134ea9d 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts
> @@ -220,6 +220,33 @@ &sd {
> vqmmc-supply = <&vddio_sd>;
> };
>
> +&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 = <50000000>;
> + non-removable;
> + disable-wp;
> +
> + no-sd;
> + no-mmc;
> + mmc-pwrseq = <&sdio_pwrseq>;
> + vmmc-supply = <&vddao_3v3>;
> + vqmmc-supply = <&vddio_ao1v8>;
> +
> + brcmf: wifi at 1 {
> + reg = <1>;
> + compatible = "brcm,bcm43456-fmac", "brcm,bcm4329-fmac";
> + };
> +};
> +
> &spicc0 {
> status = "okay";
> pinctrl-names = "default";
Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>
Thanks,
Neil
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