Hi Shawn,

On 1/21/2026 10:09 AM, Shawn Lin wrote:

在 2026/01/21 星期三 9:53, Chaoyi Chen 写道:

quoted

From: Chaoyi Chen <redacted>

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 <redacted>
Reviewed-by: Alexey Charkov <alchark@gmail.com>
---

---8<----

quoted

+
+&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.

Will fix in v5.

quoted

+    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 (local)

That make sense. Will fix in v5.

quoted

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

-- 
Best, 
Chaoyi