ARM: dts: aspeed: amd-ethanolx: Enable devices for the iKVM functionality

Enable the USB 2.0 Virtual Hub Controller and
the Video Engine with it's reserved memory region for the implementation
of the iKVM functionality in the BMC.

Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>
Reviewed-by: Supreeth Venkatesh <supreeth.venkatesh@amd.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20201027123722.2935-3-aladyshev22@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>

diff --git a/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts b/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts
index 2a86bda..b93ed44 100644 (file)
--- a/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts
@@ -13,6 +13,21 @@
        memory@80000000 {
                reg = <0x80000000 0x20000000>;
        };
+
+       reserved-memory {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               ranges;
+
+               video_engine_memory: jpegbuffer {
+                       size = <0x02000000>;    /* 32M */
+                       alignment = <0x01000000>;
+                       compatible = "shared-dma-pool";
+                       reusable;
+               };
+       };
+
+
        aliases {
                serial0 = &uart1;
                serial4 = &uart5;
@@ -220,5 +235,12 @@
        };
 };
 
+&video {
+       status = "okay";
+       memory-region = <&video_engine_memory>;
+};
 
+&vhub {
+       status = "okay";
+};