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authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>2012-06-27 00:50:09 +0200
committerPaul Mundt <lethal@linux-sh.org>2012-06-28 18:01:03 +0900
commit67ef578699ff42aa772d797bffae1f9e25c254c5 (patch)
tree3356c2213d9dc6c022f5c46a609cc36bd4bca19e /arch/sh
parent2fcfe22ae791e1e4e0cc9d0fbad617405552ffc0 (diff)
sh: add fixed voltage regulators to se7724
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>
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/boards/mach-se/7724/setup.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index ffbf5bc7366b..35f6efa3ac0e 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -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 */