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

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>

diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index d7417f3..3a8548a 100644 (file)
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -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>
@@ -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[] = {
        {
@@ -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);