Re: [PATCH v4 2/2] arm64: dts: rockchip: Add rk3576 evb2 board

Shawn Lin
2026-01-21T02:14:56Z

在 2026/01/21 星期三 9:53, Chaoyi Chen 写道:
> From: Chaoyi Chen <chaoyi.chen@rock-chips.com>
>
> General features for rk3576 evb2 board:
> - Rockchip RK3576
> - LPDDR4/4X
> - eMMC5.1
> - RK806-2x2pcs + DiscretePower
> - 1x HDMI2.1 TX / HDMI2.0 RX
> - 1x full size DP1.4 TX (Only 2 Lanes)
> - 2x 10/100/1000M Ethernet
> - 5x SATA3.0 7Pin Slot
> - 2x USB3.2 Gen1 Host
> - 3x USB2.0 Host
> - WIFI/BT
> - ...
>
> Tested with eMMC/SDMMC/HDMI/USB/Ethernet/WIFI/BT module.
>
> Signed-off-by: Chaoyi Chen <chaoyi.chen@rock-chips.com>
> Reviewed-by: Alexey Charkov <alchark@gmail.com>
> ---

---8<----

> +
> +&sdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + bus-width = <4>;
> + cap-sd-highspeed;
> + cap-sdio-irq;
> + disable-wp;

disable-wp is not used for SDIO case, could be removed.

> + keep-power-in-suspend;
> + max-frequency = <150000000>;
> + mmc-pwrseq = <&sdio_pwrseq>;
> + no-sd;
> + no-mmc;
> + non-removable;
> + pinctrl-names = "default";
> + pinctrl-0 = <&sdmmc1m0_bus4 &sdmmc1m0_clk &sdmmc1m0_cmd>;
> + sd-uhs-sdr104;
> + status = "okay";
> +
> + brcmf: wifi@1 {
> + compatible = "brcm,bcm4329-fmac";
> + reg = <1>;
> + interrupt-parent = <&gpio0>;
> + interrupts = <RK_PB0 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "host-wake";
> + pinctrl-names = "default";
> + pinctrl-0 = <&wifi_host_wake>;
> + };
> +};
> +
> +&sdhci {
> + bus-width = <8>;
> + full-pwr-cycle-in-suspend;
> + mmc-hs400-1_8v;
> + mmc-hs400-enhanced-strobe;
> + no-sdio;
> + no-sd;
> + non-removable;
> + status = "okay";
> +};
> +
> +&sdmmc {
> + bus-width = <4>;
> + cap-sd-highspeed;
> + cd-gpios = <&gpio0 RK_PA7 GPIO_ACTIVE_LOW>;
> + disable-wp;
> + no-sdio;
> + no-mmc;
> + sd-uhs-sdr104;
> + vqmmc-supply = <&vccio_sd_s0>;

Should use vmmc-supply to contrl the power, the same as EVB1[1].

[1]
https://lore.kernel.org/linux-rockchip/1768524932-163929-5-git-send-email-shawn.lin@rock-chips.com/T/#u

> + status = "okay";
> +};
> +
> +&u2phy0 {
> + status = "okay";
> +};
> +