ARM: dts: romulus: Enable video engine

Enable the video engine and add it's optional reserved memory region. Use 32MB for the reserved memory since the video engine could need up to two 1920x1200@32bpp source buffers. Source buffers: 2 * 1920 * 1200 * 4 = 18432000 bytes In addition, the V4L2 subsystem will allocate any number of compression buffers, each at most 1/8th the size of the source buffer. OpenBMC-Staging-Count: 1 Signed-off-by: Eddie James <[email protected]> Signed-off-by: Joel Stanley <[email protected]>
openbmc · Apr 4, 2019 · 1481a04 · 1481a04
1 parent 474ca49
commit 1481a04
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts b/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts
@@ -42,6 +42,13 @@
 			compatible = "shared-dma-pool";
 			reusable;
 		};
+
+		video_engine_memory: jpegbuffer {
+			size = <0x02000000>;	/* 32M */
+			alignment = <0x01000000>;
+			compatible = "shared-dma-pool";
+			reusable;
+		};
 	};
 
 	leds {
@@ -315,4 +322,9 @@
      memory-region = <&gfx_memory>;
 };
 
+&video {
+	status = "okay";
+	memory-region = <&video_engine_memory>;
+};
+
 #include "ibm-power9-dual.dtsi"