[PATCH 3/3] ARM: dt: tegra20: Add GART device

Thierry Reding thierry.reding at avionic-design.de
Fri Apr 13 23:08:09 EST 2012


This commit adds the device node required to probe NVIDIA Tegra 20 GART
hardware from the device tree.

Signed-off-by: Thierry Reding <thierry.reding at avionic-design.de>
---
 arch/arm/boot/dts/tegra20.dtsi         |    6 ++++++
 arch/arm/mach-tegra/board-dt-tegra20.c |    1 +
 2 files changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index 55b28fd..cf3ff41 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -212,5 +212,11 @@
 		interrupts = < 0 97 0x04 >;
 		phy_type = "utmi";
 	};
+
+	gart: gart at 7000f000 {
+		compatible = "nvidia,tegra20-gart";
+		reg = < 0x7000f000 0x00000100    /* controller registers */
+		        0x58000000 0x02000000 >; /* GART aperture */
+	};
 };
 
diff --git a/arch/arm/mach-tegra/board-dt-tegra20.c b/arch/arm/mach-tegra/board-dt-tegra20.c
index 57745e6..bffba1b 100644
--- a/arch/arm/mach-tegra/board-dt-tegra20.c
+++ b/arch/arm/mach-tegra/board-dt-tegra20.c
@@ -66,6 +66,7 @@ struct of_dev_auxdata tegra20_auxdata_lookup[] __initdata = {
 	OF_DEV_AUXDATA("nvidia,tegra20-ehci", TEGRA_USB3_BASE, "tegra-ehci.2",
 		       &tegra_ehci3_pdata),
 	OF_DEV_AUXDATA("nvidia,tegra20-pwm", TEGRA_PWFM_BASE, "tegra-pwm", NULL),
+	OF_DEV_AUXDATA("nvidia,tegra20-gart", TEGRA_MC_BASE, "tegra-gart", NULL),
 	{}
 };
 
-- 
1.7.10



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