From 0deba29c202695f3e166256d87515b99b74adc8e Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Tue, 14 Apr 2015 21:03:29 -0600
Subject: tegra: nyan-big: Add LCD PMIC init and board ID

Add required setup for the LCD display, and a function to provide the
board ID. This requires GPIOs to be available prior to relocation.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
---
 board/nvidia/nyan-big/nyan-big.c | 34 +++++++++++++++++++++++++++++++++-
 1 file changed, 33 insertions(+), 1 deletion(-)

(limited to 'board')

diff --git a/board/nvidia/nyan-big/nyan-big.c b/board/nvidia/nyan-big/nyan-big.c
index d4d2496639..ae8874bbd2 100644
--- a/board/nvidia/nyan-big/nyan-big.c
+++ b/board/nvidia/nyan-big/nyan-big.c
@@ -6,8 +6,11 @@
  */
 
 #include <common.h>
-#include <asm/arch/gpio.h>
+#include <errno.h>
+#include <asm/gpio.h>
 #include <asm/arch/pinmux.h>
+#include <power/as3722.h>
+#include <power/pmic.h>
 #include "pinmux-config-nyan-big.h"
 
 /*
@@ -25,3 +28,32 @@ void pinmux_init(void)
 	pinmux_config_drvgrp_table(nyan_big_drvgrps,
 				   ARRAY_SIZE(nyan_big_drvgrps));
 }
+
+int tegra_board_id(void)
+{
+	static const int vector[] = {GPIO_PQ3, GPIO_PT1, GPIO_PX1,
+					GPIO_PX4, -1};
+
+	gpio_claim_vector(vector, "board_id%d");
+	return gpio_get_values_as_int(vector);
+}
+
+int tegra_lcd_pmic_init(int board_id)
+{
+	struct udevice *pmic;
+	int ret;
+
+	ret = as3722_get(&pmic);
+	if (ret)
+		return -ENOENT;
+
+	if (board_id == 0)
+		as3722_write(pmic, 0x00, 0x3c);
+	else
+		as3722_write(pmic, 0x00, 0x50);
+	as3722_write(pmic, 0x12, 0x10);
+	as3722_write(pmic, 0x0c, 0x07);
+	as3722_write(pmic, 0x20, 0x10);
+
+	return 0;
+}
-- 
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