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From:   tommy-huang <tommy_huang@aspeedtech.com>
To:     <joel@jms.id.au>, <airlied@linux.ie>, <daniel@ffwll.ch>,
        <robh+dt@kernel.org>, <andrew@aj.id.au>,
        <linux-aspeed@lists.ozlabs.org>, <dri-devel@lists.freedesktop.org>,
        <devicetree@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>
CC:     <BMC-SW@aspeedtech.com>
Subject: [PATCH 2/4] ARM: dts: aspeed: ast2600-evb: Enable GFX device
Date:   Mon, 1 Nov 2021 19:01:05 +0800
Message-ID: <20211101110107.29010-3-tommy_huang@aspeedtech.com>
In-Reply-To: <20211101110107.29010-1-tommy_huang@aspeedtech.com>
References: <20211101110107.29010-1-tommy_huang@aspeedtech.com>
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From: Joel Stanley <joel@jms.id.au>

Enable the GFX device with a framebuffer memory region.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: tommy-huang <tommy_huang@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