diff options
| author | Fabio Baltieri <fabio.baltieri@linaro.org> | 2013-04-03 10:45:06 +0200 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2013-04-03 12:00:44 +0300 |
| commit | e65b36c02613764aa703ef0be0a3c2c57ea91625 (patch) | |
| tree | 1e518d95b37c8f5c8a3bb5d0ce09f25f4963cb18 | |
| parent | c2a0ab6bd5ccf031f87bc678152fb70befea5786 (diff) | |
usb: phy: ab8500-usb: add regulator support
Add initial regulator support to ab8500-usb by introducing necessary
devm_regulator_get().
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
| -rw-r--r-- | drivers/usb/phy/phy-ab8500-usb.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/usb/phy/phy-ab8500-usb.c b/drivers/usb/phy/phy-ab8500-usb.c index 441b2954cffd..1bc24d4c25e7 100644 --- a/drivers/usb/phy/phy-ab8500-usb.c +++ b/drivers/usb/phy/phy-ab8500-usb.c @@ -32,6 +32,7 @@ #include <linux/mfd/abx500.h> #include <linux/mfd/abx500/ab8500.h> #include <linux/usb/musb-ux500.h> +#include <linux/regulator/consumer.h> /* Bank AB8500_SYS_CTRL2_BLOCK */ #define AB8500_MAIN_WD_CTRL_REG 0x01 @@ -126,6 +127,9 @@ struct ab8500_usb { struct work_struct phy_dis_work; unsigned long link_status_wait; enum ab8500_usb_mode mode; + struct regulator *v_ape; + struct regulator *v_musb; + struct regulator *v_ulpi; int previous_link_status_state; }; @@ -590,6 +594,34 @@ static int ab8500_usb_set_host(struct usb_otg *otg, struct usb_bus *host) return 0; } +static int ab8500_usb_regulator_get(struct ab8500_usb *ab) +{ + int err; + + ab->v_ape = devm_regulator_get(ab->dev, "v-ape"); + if (IS_ERR(ab->v_ape)) { + dev_err(ab->dev, "Could not get v-ape supply\n"); + err = PTR_ERR(ab->v_ape); + return err; + } + + ab->v_ulpi = devm_regulator_get(ab->dev, "vddulpivio18"); + if (IS_ERR(ab->v_ulpi)) { + dev_err(ab->dev, "Could not get vddulpivio18 supply\n"); + err = PTR_ERR(ab->v_ulpi); + return err; + } + + ab->v_musb = devm_regulator_get(ab->dev, "musb_1v8"); + if (IS_ERR(ab->v_musb)) { + dev_err(ab->dev, "Could not get musb_1v8 supply\n"); + err = PTR_ERR(ab->v_musb); + return err; + } + + return 0; +} + static int ab8500_usb_irq_setup(struct platform_device *pdev, struct ab8500_usb *ab) { @@ -687,6 +719,10 @@ static int ab8500_usb_probe(struct platform_device *pdev) /* all: Disable phy when called from set_host and set_peripheral */ INIT_WORK(&ab->phy_dis_work, ab8500_usb_phy_disable_work); + err = ab8500_usb_regulator_get(ab); + if (err) + return err; + err = ab8500_usb_irq_setup(pdev, ab); if (err < 0) return err; |