u-boot/board/nvidia/jetson-tk1/jetson-tk1.c
Stephen Warren 4ff213b8e4 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>
2014-05-13 10:41:32 -07:00

29 lines
643 B
C

/*
* (C) Copyright 2014
* NVIDIA Corporation <www.nvidia.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch/gpio.h>
#include <asm/arch/pinmux.h>
#include "pinmux-config-jetson-tk1.h"
/*
* Routine: pinmux_init
* Description: Do individual peripheral pinmux configs
*/
void pinmux_init(void)
{
pinmux_set_tristate_input_clamping();
gpio_config_table(jetson_tk1_gpio_inits,
ARRAY_SIZE(jetson_tk1_gpio_inits));
pinmux_config_pingrp_table(jetson_tk1_pingrps,
ARRAY_SIZE(jetson_tk1_pingrps));
pinmux_config_drvgrp_table(jetson_tk1_drvgrps,
ARRAY_SIZE(jetson_tk1_drvgrps));
}