linux-kernel - [RESEND v2 3/3] ARM: dts: stm32: enable Vivante GPU support on stm32mp157a-dk1 board

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Message-ID: <1558082528-12889-4-git-send-email-pierre-yves.mordret@st.com>
Date:   Fri, 17 May 2019 10:42:08 +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>,
        Lucas Stach <l.stach@...gutronix.de>,
        <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: [RESEND v2 3/3] ARM: dts: stm32: enable Vivante GPU support on stm32mp157a-dk1 board

Enable Vivante GPU driver for stm32mp157a-dk1 and dk2 boards.

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/stm32mp157a-dk1.dts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp157a-dk1.dts b/arch/arm/boot/dts/stm32mp157a-dk1.dts
index 1b1886d..bd06f7b 100644
--- a/arch/arm/boot/dts/stm32mp157a-dk1.dts
+++ b/arch/arm/boot/dts/stm32mp157a-dk1.dts
@@ -27,6 +27,17 @@
 		reg = <0xc0000000 0x20000000>;
 	};
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		gpu_reserved: gpu@...00000 {
+			reg = <0xd4000000 0x4000000>;
+			no-map;
+		};
+	};
+
 	led {
 		compatible = "gpio-leds";
 		blue {
@@ -69,6 +80,11 @@
 	status = "okay";
 };
 
+&gpu {
+	contiguous-area = <&gpu_reserved>;
+	status = "okay";
+};
+
 &iwdg2 {
 	timeout-sec = <32>;
 	status = "okay";
-- 
2.7.4