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>

diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index ffbf5bc7366bce549bb4843606dabd728e624b26..35f6efa3ac0e60c8f1842ef36629e3356622d0c9 100644 (file)
--- 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 */