OMAP2: add regulator for MMC1

Add regulator VMMC1 used by SD/MMC card slot1 in 2430sdp.

Signed-off-by Balaji T K <[email protected]>

---
Tested on OMAP2430 SDP with busybox filesystem mounted on MMC1

?arch/arm/mach-omap2/board-2430sdp.c | ? 21 +++++++++++++++++++++ ?1 files changed, 21 insertions(+), 0 deletions(-)

arch/arm/mach-omap2/board-2430sdp.c +0 -0

index e066177..361f6cb 100644
@@ -22,6 +22,7 @@

?#include <linux/mmc/host.h>
?#include <linux/delay.h>
?#include <linux/i2c/twl.h>
+#include <linux/regulator/machine.h>
?#include <linux/err.h>
?#include <linux/clk.h>
?#include <linux/io.h>

arch/arm/mach-omap2/board-2430sdp.c +19 -0

@@ -148,6 +149,25 @@ static void __init omap_2430sdp_init_irq(void)
 ? ? ? ?omap_init_irq();
 ?}
 
+static struct regulator_consumer_supply sdp2430_vmmc1_supplies[] = {
+ ? ? ? REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.0"),
+};
+
+/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
+static struct regulator_init_data sdp2430_vmmc1 = {
+ ? ? ? .constraints = {
+ ? ? ? ? ? ? ? .min_uV ? ? ? ? ? ? ? ? = 1850000,
+ ? ? ? ? ? ? ? .max_uV ? ? ? ? ? ? ? ? = 3150000,
+ ? ? ? ? ? ? ? .valid_modes_mask ? ? ? = REGULATOR_MODE_NORMAL
+ ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? | REGULATOR_MODE_STANDBY,
+ ? ? ? ? ? ? ? .valid_ops_mask ? ? ? ? = REGULATOR_CHANGE_VOLTAGE
+ ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? | REGULATOR_CHANGE_MODE
+ ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? | REGULATOR_CHANGE_STATUS,
+ ? ? ? },
+ ? ? ? .num_consumer_supplies ?= ARRAY_SIZE(sdp2430_vmmc1_supplies),
+ ? ? ? .consumer_supplies ? ? ?= &sdp2430_vmmc1_supplies[0],
+};
+
 ?static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
 ? ? ? ?.gpio_base ? ? ?= OMAP_MAX_GPIO_LINES,
 ? ? ? ?.irq_base ? ? ? = TWL4030_GPIO_IRQ_BASE,

@@ -160,6 +180,7 @@ static struct twl4030_platform_data sdp2430_twldata = {
 

? ? ? ?/* platform_data for children goes here */
? ? ? ?.gpio ? ? ? ? ? = &sdp2430_gpio_data,
+ ? ? ? .vmmc1 ? ? ? ? ?= &sdp2430_vmmc1,
?};

?static struct i2c_board_info __initdata sdp2430_i2c_boardinfo[] = { --
1.7.0.4

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Quoted 3 lines · Balaji T K

Add regulator VMMC1 used by SD/MMC card slot1 in 2430sdp.

Signed-off-by Balaji T K <[email protected]>

Tested-by Kishore Kadiyala <[email protected]>