arm64: dts: rockchip: Enable onboard eMMC on Radxa E20C

The Radxa E20C may come with an onboard eMMC (8GB / 16GB / 32GB / 64GB).

Enable support for the onboard eMMC on Radxa E20C.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://lore.kernel.org/r/20250305214108.1327208-4-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
[ upstream commit: 3a01b5f14a8ae2d45aea5aeed30001ac1655de86 ]

(cherry picked from commit bd4c8a1c08f92d863d89c0ddff59e5f5bc6a1e34)
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

diff --git a/dts/upstream/src/arm64/rockchip/rk3528-radxa-e20c.dts b/dts/upstream/src/arm64/rockchip/rk3528-radxa-e20c.dts
index 5346ef457c2aa580be48cfa307113b2681d73d39..57a446b5cbd6c61d4c90f36bc54c8c03c915f4cc 100644 (file)
--- a/dts/upstream/src/arm64/rockchip/rk3528-radxa-e20c.dts
+++ b/dts/upstream/src/arm64/rockchip/rk3528-radxa-e20c.dts
@@ -15,6 +15,10 @@
        model = "Radxa E20C";
        compatible = "radxa,e20c", "rockchip,rk3528";
 
+       aliases {
+               mmc0 = &sdhci;
+       };
+
        chosen {
                stdout-path = "serial0:1500000n8";
        };
@@ -133,6 +137,17 @@
        status = "okay";
 };
 
+&sdhci {
+       bus-width = <8>;
+       cap-mmc-highspeed;
+       no-sd;
+       no-sdio;
+       non-removable;
+       vmmc-supply = <&vcc_3v3>;
+       vqmmc-supply = <&vcc_1v8>;
+       status = "okay";
+};
+
 &uart0 {
        pinctrl-names = "default";
        pinctrl-0 = <&uart0m0_xfer>;