On Tue, Jun 10, 2025 at 10:12:16PM +0200, Alexander Sverdlin wrote:
> The Duo Module 01 is a compact module with integrated SG2000,
> WI-FI6/BTDM5.4, and eMMC.
> Add only support for UART and SDHCI.
>
> Reviewed-by: Inochi Amaoto <inochiama@gmail.com>
> Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
> ---
> .../sophgo/sg2000-milkv-duo-module-01.dtsi | 85 +++++++++++++++++++
> 1 file changed, 85 insertions(+)
> create mode 100644 arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01.dtsi
>
> diff --git a/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01.dtsi b/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01.dtsi
> new file mode 100644
> index 000000000000..bb52cdad990a
> --- /dev/null
> +++ b/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01.dtsi
> @@ -0,0 +1,85 @@
> +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> +
> +#include <dt-bindings/pinctrl/pinctrl-sg2000.h>
> +#include "sg2000.dtsi"
> +
> +/ {
> + model = "Milk-V Duo Module 01";
> + compatible = "milkv,duo-module-01", "sophgo,sg2000";
> +
> + aliases {
> + serial0 = &uart0;
> + serial1 = &uart1;
> + serial2 = &uart2;
> + serial3 = &uart3;
> + serial4 = &uart4;
> + };
> +};
> +
> +&osc {
> + clock-frequency = <25000000>;
> +};
> +
> +&pinctrl {
> + sdhci0_cfg: sdhci0-cfg {
> + sdhci0-cd-pins {
> + pinmux = <PINMUX(PIN_SD0_CD, 0)>;
> + bias-pull-up;
> + drive-strength-microamp = <10800>;
> + power-source = <3300>;
> + };
> +
> + sdhci0-clk-pins {
> + pinmux = <PINMUX(PIN_SD0_CLK, 0)>;
> + bias-pull-up;
> + drive-strength-microamp = <16100>;
> + power-source = <3300>;
> + };
> +
> + sdhci0-cmd-pins {
> + pinmux = <PINMUX(PIN_SD0_CMD, 0)>;
> + bias-pull-up;
> + drive-strength-microamp = <10800>;
> + power-source = <3300>;
> + };
> +
> + sdhci0-data-pins {
> + pinmux = <PINMUX(PIN_SD0_D0, 0)>,
> + <PINMUX(PIN_SD0_D1, 0)>,
> + <PINMUX(PIN_SD0_D2, 0)>,
> + <PINMUX(PIN_SD0_D3, 0)>;
> + bias-pull-up;
> + drive-strength-microamp = <10800>;
> + power-source = <3300>;
> + };
> + };
> +
> + uart0_cfg: uart0-cfg {
> + uart0-pins {
> + pinmux = <PINMUX(PIN_UART0_TX, 0)>,
> + <PINMUX(PIN_UART0_RX, 0)>;
> + bias-pull-up;
> + drive-strength-microamp = <10800>;
> + power-source = <3300>;
> + };
> + };
> +};
Please move this slice to the board dts, only configuration related to
the module itself can be left in this dtsi file.
Regards,
Inochi