From 4442ba9ed7f2ee547d514f1f8840a51580fa8e54 Mon Sep 17 00:00:00 2001
From: mattis fjallstrom <mattis@acm.org>
Date: Thu, 2 Jul 2015 00:47:56 -0700
Subject: Enabling some regulators in u-boot so that we get successful boots
 immediately.

Change-Id: Id0e0343359e6e12f803a4f7e84a7d19e9b74dd0c
---
 board/olio/h1/h1.c | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

(limited to 'board/olio/h1/h1.c')

diff --git a/board/olio/h1/h1.c b/board/olio/h1/h1.c
index 8c5f8786d..1a3fe6a30 100644
--- a/board/olio/h1/h1.c
+++ b/board/olio/h1/h1.c
@@ -69,6 +69,42 @@ void get_board_mem_timings(struct board_sdrc_timings *timings)
 }
 #endif
 
+#define TPS65910_VMMC_REG	0x35
+static int disp_regulator_init(void)
+{
+	uchar buf;
+
+	if (i2c_probe(TPS65910_CTRL_I2C_ADDR))
+		return -1;
+
+	/* Tell the TPS65910 to use i2c */
+	tps65910_set_i2c_control();
+
+	/* SEL[1:0] = 3.3 V, ST[1:0] = On high power (ACTIVE) */
+	buf = 0x0d;
+
+	/* set VMMC_REG to supply 3.3 V */
+	return i2c_write(TPS65910_CTRL_I2C_ADDR, TPS65910_VMMC_REG, 1, &buf, 1);
+}
+
+#define TPS65910_VDIG1_REG	0x30
+static int accel_regulator_init(void)
+{
+	uchar buf;
+
+	if (i2c_probe(TPS65910_CTRL_I2C_ADDR))
+		return -1;
+
+	/* Tell the TPS65910 to use i2c */
+	tps65910_set_i2c_control();
+
+	/* SEL[1:0] = 1.8 V, ST[1:0] = On high power (ACTIVE) */
+	buf = 0x09;
+
+	/* set VDIG1_REG to supply 1.8 V */
+	return i2c_write(TPS65910_CTRL_I2C_ADDR, TPS65910_VDIG1_REG, 1, &buf, 1);
+}
+
 /*
  * Routine: misc_init_r
  * Description: Configure board specific parts
@@ -79,6 +115,10 @@ int misc_init_r(void)
 	struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
 	struct control_prog_io *prog_io_base = (struct control_prog_io *)OMAP34XX_CTRL_BASE;
 
+	if (disp_regulator_init())
+		puts("failed to set VMMC regulator for tps65910\n");
+	if (accel_regulator_init())
+			puts("failed to set VMMC regulator for tps65910\n");
 	//MUX_BEAGLE_XM();
 
 	dieid_num_r();
-- 
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