[PATCH v6 11/12] ARM: tegra: Add gpio-restart node

Tomeu Vizoso tomeu.vizoso at collabora.com
Wed Mar 18 02:52:26 PDT 2015


The Nyan Chromebooks have a GPIO line dedicated to restarting the
system. Using this line will make sure that the TPM is restarted as
well.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso at collabora.com>
Acked-by: Stephen Warren <swarren at nvidia.com>
Reviewed-by: Alexandre Courbot <acourbot at nvidia.com>
---
 arch/arm/boot/dts/tegra124-nyan.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/tegra124-nyan.dtsi b/arch/arm/boot/dts/tegra124-nyan.dtsi
index 9b3fca8..0b130cb 100644
--- a/arch/arm/boot/dts/tegra124-nyan.dtsi
+++ b/arch/arm/boot/dts/tegra124-nyan.dtsi
@@ -683,6 +683,12 @@
 		nvidia,mic-det-gpios =
 				<&gpio TEGRA_GPIO(R, 7) GPIO_ACTIVE_HIGH>;
 	};
+
+	gpio-restart {
+		compatible = "gpio-restart";
+		gpios = <&gpio TEGRA_GPIO(I, 5) GPIO_ACTIVE_LOW>;
+		priority = <200>;
+	};
 };
 
 #include "cros-ec-keyboard.dtsi"
-- 
2.1.0




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