[PATCH v3 2/4] ARM: dts: aspeed: ast2600-evb: Enable GFX device

tommy-huang tommy_huang at aspeedtech.com
Wed Nov 17 16:45:16 AEDT 2021


From: Joel Stanley <joel at jms.id.au>

Enable the GFX device with a framebuffer memory region.

Signed-off-by: Joel Stanley <joel at jms.id.au>
Signed-off-by: tommy-huang <tommy_huang at aspeedtech.com>
---
 arch/arm/boot/dts/aspeed-ast2600-evb.dts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-ast2600-evb.dts b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
index b7eb552640cb..e223dad2abd0 100644
--- a/arch/arm/boot/dts/aspeed-ast2600-evb.dts
+++ b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
@@ -23,6 +23,19 @@
 		reg = <0x80000000 0x80000000>;
 	};
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		gfx_memory: framebuffer {
+			size = <0x01000000>;
+			alignment = <0x01000000>;
+			compatible = "shared-dma-pool";
+			reusable;
+		};
+	};
+
 	vcc_sdhci0: regulator-vcc-sdhci0 {
 		compatible = "regulator-fixed";
 		regulator-name = "SDHCI0 Vcc";
@@ -300,3 +313,8 @@
 	vqmmc-supply = <&vccq_sdhci1>;
 	clk-phase-sd-hs = <7>, <200>;
 };
+
+&gfx {
+	status = "okay";
+	memory-region = <&gfx_memory>;
+};
-- 
2.17.1



More information about the Linux-aspeed mailing list