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ARM: mach-shmobile: add fixed voltage regulators to ap4evb

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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>
This commit is contained in:
Guennadi Liakhovetski
2012-06-27 00:32:25 +02:00
committed by Rafael J. Wysocki
parent 44e1b142fe
commit 8778b8f46a
1 changed files with 29 additions and 0 deletions
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29
arch/arm/mach-shmobile/board-ap4evb.c
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@@ -34,6 +34,8 @@
#include <linux/i2c.h> #include <linux/i2c.h>
#include <linux/i2c/tsc2007.h> #include <linux/i2c/tsc2007.h>
#include <linux/io.h> #include <linux/io.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/smsc911x.h> #include <linux/smsc911x.h>
#include <linux/sh_intc.h> #include <linux/sh_intc.h>
#include <linux/sh_clk.h> #include <linux/sh_clk.h>
@@ -159,6 +161,27 @@
* CN12: 3.3v * 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 */ /* MTD */
static struct mtd_partition nor_flash_partitions[] = { static struct mtd_partition nor_flash_partitions[] = {
{ {
@@ -1209,6 +1232,12 @@ static void __init ap4evb_init(void)
u32 srcr4; u32 srcr4;
struct clk *clk; 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 */ /* External clock source */
clk_set_rate(&sh7372_dv_clki_clk, 27000000); clk_set_rate(&sh7372_dv_clki_clk, 27000000);