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authorGraeme Gregory <gg@slimlogic.co.uk>2011-05-22 21:21:24 +0100
committerLiam Girdwood <lrg@slimlogic.co.uk>2011-05-27 10:49:30 +0100
commit5ccee4ae8eab957ab6d534283db5bd27703dba03 (patch)
tree98a82be99b8efba0c0dcee75f51d6dac1845e796 /drivers/usb/otg
parent4d94aee577ea8179bd40f0f17e64cada25c66b85 (diff)
downloadtalos-obmc-linux-5ccee4ae8eab957ab6d534283db5bd27703dba03.tar.gz
talos-obmc-linux-5ccee4ae8eab957ab6d534283db5bd27703dba03.zip
USB: TWL6025 allow different regulator name
The twl6025 uses a different regulator for USB than the 6030 so select the correct regulator name depending on the subclass of device. Since V1 Use features passed via platform data instead of global variable. Signed-off-by: Graeme Gregory <gg@slimlogic.co.uk> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'drivers/usb/otg')
-rw-r--r--drivers/usb/otg/twl6030-usb.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/usb/otg/twl6030-usb.c b/drivers/usb/otg/twl6030-usb.c
index 3f2e07011a48..cfb5aa72b196 100644
--- a/drivers/usb/otg/twl6030-usb.c
+++ b/drivers/usb/otg/twl6030-usb.c
@@ -100,6 +100,7 @@ struct twl6030_usb {
u8 linkstat;
u8 asleep;
bool irq_enabled;
+ unsigned long features;
};
#define xceiv_to_twl(x) container_of((x), struct twl6030_usb, otg)
@@ -204,6 +205,12 @@ static int twl6030_start_srp(struct otg_transceiver *x)
static int twl6030_usb_ldo_init(struct twl6030_usb *twl)
{
+ char *regulator_name;
+
+ if (twl->features & TWL6025_SUBCLASS)
+ regulator_name = "ldousb";
+ else
+ regulator_name = "vusb";
/* Set to OTG_REV 1.3 and turn on the ID_WAKEUP_COMP */
twl6030_writeb(twl, TWL6030_MODULE_ID0 , 0x1, TWL6030_BACKUP_REG);
@@ -214,7 +221,7 @@ static int twl6030_usb_ldo_init(struct twl6030_usb *twl)
/* Program MISC2 register and set bit VUSB_IN_VBAT */
twl6030_writeb(twl, TWL6030_MODULE_ID0 , 0x10, TWL6030_MISC2);
- twl->usb3v3 = regulator_get(twl->dev, "vusb");
+ twl->usb3v3 = regulator_get(twl->dev, regulator_name);
if (IS_ERR(twl->usb3v3))
return -ENODEV;
@@ -409,6 +416,7 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev)
twl->dev = &pdev->dev;
twl->irq1 = platform_get_irq(pdev, 0);
twl->irq2 = platform_get_irq(pdev, 1);
+ twl->features = pdata->features;
twl->otg.dev = twl->dev;
twl->otg.label = "twl6030";
twl->otg.set_host = twl6030_set_host;
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