linux-kernel - [PATCH 1/2] ARM: tegra: venice2: add GK20A GPU DT node

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Date:	Thu, 9 Oct 2014 15:11:51 +0900
From:	Alexandre Courbot <acourbot@...dia.com>
To:	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>
CC:	<linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<gnurou@...il.com>, Thierry Reding <treding@...dia.com>,
	Alexandre Courbot <acourbot@...dia.com>
Subject: [PATCH 1/2] ARM: tegra: venice2: add GK20A GPU DT node

From: Thierry Reding <treding@...dia.com>

Add the device-tree node for the GK20A GPU and leave it disabled by
default. It is the responsability of the bootloader to enable it if the
VPR registers have been programmed such as the GPU can operate.

Signed-off-by: Thierry Reding <treding@...dia.com>
Signed-off-by: Alexandre Courbot <acourbot@...dia.com>
---
 arch/arm/boot/dts/tegra124-venice2.dts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/tegra124-venice2.dts b/arch/arm/boot/dts/tegra124-venice2.dts
index 13008858e967..cadaab74e649 100644
--- a/arch/arm/boot/dts/tegra124-venice2.dts
+++ b/arch/arm/boot/dts/tegra124-venice2.dts
@@ -42,6 +42,12 @@
 		};
 	};
 
+	gpu@0,57000000 {
+		status = "disabled";
+
+		vdd-supply = <&vdd_gpu>;
+	};
+
 	pinmux: pinmux@0,70000868 {
 		pinctrl-names = "boot";
 		pinctrl-0 = <&pinmux_boot>;
@@ -734,7 +740,7 @@
 					regulator-always-on;
 				};
 
-				sd6 {
+				vdd_gpu: sd6 {
 					regulator-name = "+VDD_GPU_AP";
 					regulator-min-microvolt = <650000>;
 					regulator-max-microvolt = <1200000>;
-- 
2.1.2

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