linux-kernel - [PATCH v2 2/3] ARM: dts: stm32: enable Vivante GPU support on stm32mp157c-ed1 board

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Message-ID: <1554890548-24448-3-git-send-email-pierre-yves.mordret@st.com>
Date:   Wed, 10 Apr 2019 12:02:27 +0200
From:   Pierre-Yves MORDRET <pierre-yves.mordret@...com>
To:     Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     Pierre-Yves MORDRET <pierre-yves.mordret@...com>
Subject: [PATCH v2 2/3] ARM: dts: stm32: enable Vivante GPU support on stm32mp157c-ed1 board

Enable Vivante GPU driver for stm32mp157c-ed1 board.

Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@...com>
---
  Version history:
    v2:
       * move GPU reserved memeory out of bottom DDR to let free this area for
         U-Boot
    v1:
       * Initial
---
---
 arch/arm/boot/dts/stm32mp157c-ed1.dts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp157c-ed1.dts b/arch/arm/boot/dts/stm32mp157c-ed1.dts
index 9fd7943..7bcc122 100644
--- a/arch/arm/boot/dts/stm32mp157c-ed1.dts
+++ b/arch/arm/boot/dts/stm32mp157c-ed1.dts
@@ -22,6 +22,17 @@
 		reg = <0xC0000000 0x40000000>;
 	};
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		gpu_reserved: gpu@...00000 {
+			reg = <0xe8000000 0x8000000>;
+			no-map;
+		};
+	};
+
 	aliases {
 		serial0 = &uart4;
 	};
@@ -76,6 +87,11 @@
 	status = "okay";
 };
 
+&gpu {
+	contiguous-area = <&gpu_reserved>;
+	status = "okay";
+};
+
 &i2c4 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c4_pins_a>;
-- 
2.7.4