iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

sh: add fixed voltage regulators to se7724

Browse Source 
On se7724 provide a 3.3V supply for its SD/MMC-card interfaces.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Guennadi Liakhovetski 2012-06-27 00:50:09 +02:00 committed by Paul Mundt
parent 2fcfe22ae7
commit 67ef578699
1 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
arch/sh/boards/mach-se/7724/setup.c
View File

@ -18,6 +18,8 @@
#include <linux/mmc/sh_mobile_sdhi.h>
#include <linux/mtd/physmap.h>
#include <linux/delay.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/smc91x.h>
#include <linux/gpio.h>
#include <linux/input.h>
@ -454,6 +456,15 @@ static struct platform_device sh7724_usb1_gadget_device = {
.resource = sh7724_usb1_gadget_resources,
};
/* Fixed 3.3V regulator to be used by SDHI0, SDHI1 */
static struct regulator_consumer_supply fixed3v3_power_consumers[] =
{
REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
};
static struct resource sdhi0_cn7_resources[] = {
[0] = {
.name = "SDHI0",
@ -684,6 +695,10 @@ static int __init devices_setup(void)
&ms7724se_sdram_enter_end,
&ms7724se_sdram_leave_start,
&ms7724se_sdram_leave_end);
regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
/* Reset Release */
fpga_out = __raw_readw(FPGA_OUT);
/* bit4: NTSC_PDN, bit5: NTSC_RESET */