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authorRafael J. Wysocki <rjw@sisk.pl>2012-07-11 23:07:57 +0200
committerRafael J. Wysocki <rjw@sisk.pl>2012-07-11 23:07:57 +0200
commitcfc073bafb93dc18c9a09de195841b7a7a32a8e2 (patch)
tree475e3504cf669512e15e7ad540a73cdafbb2fed8 /arch/arm/mach-shmobile/board-mackerel.c
parentMerge branch 'renesas-kzm9g' into renesas-board (diff)
parentARM: mach-shmobile: add 3.3V and 1.8V fixed regulators to mackerel (diff)
downloadlinux-cfc073bafb93dc18c9a09de195841b7a7a32a8e2.tar.xz
linux-cfc073bafb93dc18c9a09de195841b7a7a32a8e2.zip
Merge branch 'renesas-mackerel' into renesas-board
* renesas-mackerel: ARM: mach-shmobile: add 3.3V and 1.8V fixed regulators to mackerel ARM: shmobile: use common extra gpio functions on Mackerel
Diffstat (limited to 'arch/arm/mach-shmobile/board-mackerel.c')
-rw-r--r--arch/arm/mach-shmobile/board-mackerel.c59
1 files changed, 34 insertions, 25 deletions
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index 9640f34122bd..7ea2b31e3199 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -41,6 +41,8 @@
#include <linux/mtd/physmap.h>
#include <linux/mtd/sh_flctl.h>
#include <linux/pm_clock.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
#include <linux/smsc911x.h>
#include <linux/sh_intc.h>
#include <linux/tca6416_keypad.h>
@@ -203,31 +205,32 @@
* amixer set "HPOUTR Mixer DACH" on
*/
-/*
- * FIXME !!
- *
- * gpio_no_direction
- * gpio_pull_down
- * are quick_hack.
- *
- * current gpio frame work doesn't have
- * the method to control only pull up/down/free.
- * this function should be replaced by correct gpio function
- */
-static void __init gpio_no_direction(u32 addr)
+/* Fixed 3.3V and 1.8V regulators to be used by multiple devices */
+static struct regulator_consumer_supply fixed1v8_power_consumers[] =
{
- __raw_writeb(0x00, addr);
-}
+ /*
+ * J22 on mackerel switches mmcif.0 and sdhi.1 between 1.8V and 3.3V
+ * Since we cannot support both voltages, we support the default 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 void __init gpio_pull_down(u32 addr)
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
{
- u8 data = __raw_readb(addr);
-
- data &= 0x0F;
- data |= 0xA0;
+ REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+ REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+ REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.2"),
+ REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.2"),
+};
- __raw_writeb(data, addr);
-}
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+ REGULATOR_SUPPLY("vddvario", "smsc911x"),
+ REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
/* MTD */
static struct mtd_partition nor_flash_partitions[] = {
@@ -1409,6 +1412,12 @@ static void __init mackerel_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);
@@ -1458,11 +1467,11 @@ static void __init mackerel_init(void)
/* USBHS0 */
gpio_request(GPIO_FN_VBUS0_0, NULL);
- gpio_pull_down(GPIO_PORT168CR); /* VBUS0_0 pull down */
+ gpio_request_pulldown(GPIO_PORT168CR); /* VBUS0_0 pull down */
/* USBHS1 */
gpio_request(GPIO_FN_VBUS0_1, NULL);
- gpio_pull_down(GPIO_PORT167CR); /* VBUS0_1 pull down */
+ gpio_request_pulldown(GPIO_PORT167CR); /* VBUS0_1 pull down */
gpio_request(GPIO_FN_IDIN_1_113, NULL);
/* enable FSI2 port A (ak4643) */
@@ -1475,8 +1484,8 @@ static void __init mackerel_init(void)
gpio_request(GPIO_PORT9, NULL);
gpio_request(GPIO_PORT10, NULL);
- gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */
- gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
+ gpio_direction_none(GPIO_PORT9CR); /* FSIAOBT needs no direction */
+ gpio_direction_none(GPIO_PORT10CR); /* FSIAOLR needs no direction */
intc_set_priority(IRQ_FSI, 3); /* irq priority FSI(3) > SMSC911X(2) */