Hi Tamás,
On 2024-11-11 19:17, Tamás Szűcs wrote:
> Enable SDIO on Radxa ROCK 3 Model B M.2 Key E. Add all supported UHS-I rates and
> enable 200 MHz maximum clock. Also, allow host wakeup via SDIO IRQ.
>
> Signed-off-by: Tamás Szűcs <tszucs@xxxxxxxxx>
> ---
> arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts
> index 242af5337cdf..b7527ba418f7 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts
> @@ -688,14 +688,20 @@ &sdmmc2 {
> cap-sd-highspeed;
> cap-sdio-irq;
> keep-power-in-suspend;
> + max-frequency = <200000000>;
> mmc-pwrseq = <&sdio_pwrseq>;
> non-removable;
> pinctrl-names = "default";
> pinctrl-0 = <&sdmmc2m0_bus4 &sdmmc2m0_clk &sdmmc2m0_cmd>;
> + sd-uhs-sdr12;
> + sd-uhs-sdr25;
> + sd-uhs-sdr50;
I thought that lower speeds was implied by uhs-sdr104?
> sd-uhs-sdr104;
> + sd-uhs-ddr50;
> vmmc-supply = <&vcc3v3_sys2>;
> vqmmc-supply = <&vcc_1v8>;
> - status = "disabled";
> + wakeup-source;
> + status = "okay";
This should probably be enabled using an dt-overlay, there is no SDIO
device embedded on the board and the reason I left it disabled in
original board DT submission.
Regards,
Jonas
> };
>
> &sfc {
