add rk3588-disable-sdhci

Signed-off-by: Ken Wang <[email protected]>

Author: Ken-Vamrs

arch/arm64/boot/dts/rockchip/overlays/Makefile

@@ -320,6 +320,7 @@ dtb-$(CONFIG_CLK_RK3588) += \
 	radxa-nx5-io-rpi-camera-v2-cam0.dtbo \
 	radxa-nx5-io-rpi-camera-v2-cam1.dtbo \
 	rk3588-disable-fiq-debugger.dtbo \
+	rk3588-disable-sdhci.dtbo \
 	rk3588-dwc3-host.dtbo \
 	rk3588-dwc3-peripheral.dtbo \
 	rk3588-dwc3-otg.dtbo \

arch/arm64/boot/dts/rockchip/overlays/rk3588-disable-sdhci.dts

@@ -0,0 +1,18 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	metadata {
+		title = "Disable SDHCI";
+		compatible = "rockchip,rk3588";
+		category = "misc";
+		exclusive = "sdhci";
+		description = "Disable SDHCI.
+This will disable access to eMMC.
+If your system is installed on the eMMC, it will now be unbootable!";
+	};
+};
+
+&sdhci {
+	status = "disabled";
+};