From 4ff213b8e478ee06feaee3505b4228163661bd3f Mon Sep 17 00:00:00 2001
From: Stephen Warren <swarren@nvidia.com>
Date: Tue, 22 Apr 2014 14:37:56 -0600
Subject: [PATCH] ARM: tegra: clamp inputs on Jetson TK1

The HW-defined procedure for booting Tegra requires that
CLAMP_INPUTS_WHEN_TRISTATED be enabled before programming the pinmux.
Modify the Jetson TK1 board to do this.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
---
 board/nvidia/jetson-tk1/jetson-tk1.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/board/nvidia/jetson-tk1/jetson-tk1.c b/board/nvidia/jetson-tk1/jetson-tk1.c
index 9c54bd64c4..5d37718f3b 100644
--- a/board/nvidia/jetson-tk1/jetson-tk1.c
+++ b/board/nvidia/jetson-tk1/jetson-tk1.c
@@ -16,6 +16,8 @@
  */
 void pinmux_init(void)
 {
+	pinmux_set_tristate_input_clamping();
+
 	gpio_config_table(jetson_tk1_gpio_inits,
 			  ARRAY_SIZE(jetson_tk1_gpio_inits));
 
-- 
2.39.5