From 8778b8f46a7c567fc5b19b0eb4a47f51e5064e3c Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 27 Jun 2012 00:32:25 +0200
Subject: [PATCH] ARM: mach-shmobile: add fixed voltage regulators to ap4evb

On ap4evb provide 1.8V and 3.3V supplies for its SD/MMC-card interfaces
and a dummy regulator for the smsc911x driver.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
 arch/arm/mach-shmobile/board-ap4evb.c | 29 +++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index d7417f3bc3b3..3a8548a622ee 100644
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -34,6 +34,8 @@
 #include <linux/i2c.h>
 #include <linux/i2c/tsc2007.h>
 #include <linux/io.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/sh_intc.h>
 #include <linux/sh_clk.h>
@@ -159,6 +161,27 @@
  * CN12: 3.3v
  */
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply fixed1v8_power_consumers[] =
+{
+	/* J22 default position: 1.8V */
+	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
+	REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
+	REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
+	REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"),
+};
+
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
+{
+	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+	REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+};
+
+static struct regulator_consumer_supply dummy_supplies[] = {
+	REGULATOR_SUPPLY("vddvario", "smsc911x"),
+	REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 /* MTD */
 static struct mtd_partition nor_flash_partitions[] = {
 	{
@@ -1209,6 +1232,12 @@ static void __init ap4evb_init(void)
 	u32 srcr4;
 	struct clk *clk;
 
+	regulator_register_always_on(0, "fixed-1.8V", fixed1v8_power_consumers,
+				     ARRAY_SIZE(fixed1v8_power_consumers), 1800000);
+	regulator_register_always_on(1, "fixed-3.3V", fixed3v3_power_consumers,
+				     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+	regulator_register_fixed(2, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
 	/* External clock source */
 	clk_set_rate(&sh7372_dv_clki_clk, 27000000);
 
-- 
2.39.5