Skip to content

Commit

Permalink
ARM: mach-shmobile: add fixed voltage regulators to ap4evb
Browse files Browse the repository at this point in the history
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>
  • Loading branch information
Guennadi Liakhovetski authored and Rafael J. Wysocki committed Jun 30, 2012
1 parent 44e1b14 commit 8778b8f
Showing 1 changed file with 29 additions and 0 deletions.
29 changes: 29 additions & 0 deletions arch/arm/mach-shmobile/board-ap4evb.c
Original file line number Diff line number Diff line change
Expand Up @@ -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>
Expand Down Expand Up @@ -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[] = {
{
Expand Down Expand Up @@ -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);

Expand Down

0 comments on commit 8778b8f

Please sign in to comment.