[PATCH 3/3] ARM: dts: aspeed: amd-ethanolx: Enable devices for the iKVM functionality

Konstantin Aladyshev aladyshev22 at gmail.com
Tue Oct 27 08:37:22 EDT 2020


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 at gmail.com>
---
 arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts b/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts
index 2a86bda8afd8..b93ed44eba0c 100644
--- 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 at 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";
+};
 
-- 
2.17.1




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