overlays-08-add-rk3318-box-emmc-hs200(:1)

Original-Subject: rk3318-box: add emmc hs200 device tree overlay
None
X-Armbian: Patch-File: overlays-08-add-rk3318-box-emmc-hs200
X-Armbian: Patch-File-Counter: 1
X-Armbian: Patch-Rel-Directory: patch/kernel/archive/rockchip64-6.3
X-Armbian: Patch-Type: kernel
X-Armbian: Patch-Root-Type: core
X-Armbian: Patch-Sub-Type: common
X-Armbian: Original-Subject: rk3318-box: add emmc hs200 device tree overlay

arch/arm64/boot/dts/rockchip/overlay/Makefile

@@ -16,7 +16,8 @@ dtbo-$(CONFIG_ARCH_ROCKCHIP) += \
 	rockchip-rk3318-box-wlan-ap6334.dtbo \
 	rockchip-rk3318-box-wlan-ext.dtbo \
 	rockchip-rk3318-box-wlan-ap6330.dtbo \
-	rockchip-rk3318-box-cpu-hs.dtbo
+	rockchip-rk3318-box-cpu-hs.dtbo \
+	rockchip-rk3318-box-emmc-hs200.dtbo
 
 scr-$(CONFIG_ARCH_ROCKCHIP) += \
        rockchip-fixup.scr

arch/arm64/boot/dts/rockchip/overlay/README.rockchip-overlays

@@ -130,6 +130,12 @@ Activates eMMC DDR capability for rk3318 tv box boards. Probably all the eMMC ch
 nowadays support DDR mode, but its reliability heavily depends upon the quality
 of board wiring
 
+### rk3318-box-emmc-hs200
+
+Activates eMMC HS200 capability for rk3318 tv box boards.
+It should in autodetect mode, but some board have faulty or cheap circuitry that
+enable the mode but then it doesn't work correctly.
+
 ### rk3318-box-wlan-ap6334
 
 Set up additional device tree bits to properly support ap6334 (broadcom BCM4334)

arch/arm64/boot/dts/rockchip/overlay/rockchip-rk3318-box-emmc-hs200.dts

@@ -0,0 +1,14 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+
+	fragment@0 {
+		target = <&emmc>;
+		__overlay__ {
+			status = "okay";
+			mmc-hs200-1_8v;
+		};
+	};
+
+};