On 18/06/2024 10:39, Chen Wang wrote:
> From: Chen Wang <unicorn_wang@xxxxxxxxxxx>
>
> SG2042 has two MMC controller, one for emmc, another for sd-card.
>
> Signed-off-by: Chen Wang <unicorn_wang@xxxxxxxxxxx>
> ---
> .../boot/dts/sophgo/sg2042-milkv-pioneer.dts | 17 ++++++++++
> arch/riscv/boot/dts/sophgo/sg2042.dtsi | 32 +++++++++++++++++++
> 2 files changed, 49 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
> index 49b4b9c2c101..164db23586e0 100644
> --- a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
> +++ b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
> @@ -14,6 +14,23 @@ chosen {
> };
> };
>
> +&emmc {
> + bus-width = <4>;
> + no-sdio;
> + no-sd;
> + non-removable;
> + wp-inverted;
> + status = "okay";
> +};
> +
> +&sd {
> + bus-width = <4>;
> + no-sdio;
> + no-mmc;
> + wp-inverted;
> + status = "okay";
> +};
> +
> &uart0 {
> status = "okay";
> };
> diff --git a/arch/riscv/boot/dts/sophgo/sg2042.dtsi b/arch/riscv/boot/dts/sophgo/sg2042.dtsi
> index 81fda312f988..bfdfd6f32912 100644
> --- a/arch/riscv/boot/dts/sophgo/sg2042.dtsi
> +++ b/arch/riscv/boot/dts/sophgo/sg2042.dtsi
> @@ -346,5 +346,37 @@ uart0: serial@7040000000 {
> resets = <&rstgen RST_UART0>;
> status = "disabled";
> };
> +
> + emmc: mmc@704002a000 {
> + compatible = "sophgo,sg2042-dwcmshc";
> + reg = <0x70 0x4002A000 0x0 0x1000>;
Lowercase hex.
> + interrupt-parent = <&intc>;
> + interrupts = <134 IRQ_TYPE_LEVEL_HIGH>;
> + clocks =
Odd wrapping. Don't. See DTS coding style.
> + <&clkgen GATE_CLK_AXI_EMMC>,
> + <&clkgen GATE_CLK_100K_EMMC>,
> + <&clkgen GATE_CLK_EMMC_100M>;
> + clock-names =
Ditto
> + "core",
> + "timer",
> + "card";
> + status = "disabled";
Best regards,
Krzysztof
