diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/Makefile | 4 | ||||
| -rw-r--r-- | drivers/gpio/gpio-uclass.c | 36 |
2 files changed, 27 insertions, 13 deletions
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index 586485055d..67c6374d47 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -6,13 +6,9 @@ # ifndef CONFIG_SPL_BUILD -obj-$(CONFIG_DM_GPIO) += gpio-uclass.o obj-$(CONFIG_AXP_GPIO) += axp_gpio.o endif -/* TODO(sjg@chromium.org): Only tegra supports driver model in SPL */ -ifdef CONFIG_TEGRA_GPIO obj-$(CONFIG_DM_GPIO) += gpio-uclass.o -endif obj-$(CONFIG_AT91_GPIO) += at91_gpio.o obj-$(CONFIG_INTEL_ICH6_GPIO) += intel_ich6_gpio.o diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c index bf982b9d19..4efda311a4 100644 --- a/drivers/gpio/gpio-uclass.c +++ b/drivers/gpio/gpio-uclass.c @@ -48,8 +48,7 @@ static int gpio_to_device(unsigned int gpio, struct gpio_desc *desc) return ret ? ret : -ENOENT; } -int gpio_lookup_name(const char *name, struct udevice **devp, - unsigned int *offsetp, unsigned int *gpiop) +int dm_gpio_lookup_name(const char *name, struct gpio_desc *desc) { struct gpio_dev_priv *uc_priv = NULL; struct udevice *dev; @@ -57,8 +56,6 @@ int gpio_lookup_name(const char *name, struct udevice **devp, int numeric; int ret; - if (devp) - *devp = NULL; numeric = isdigit(*name) ? simple_strtoul(name, NULL, 10) : -1; for (ret = uclass_first_device(UCLASS_GPIO, &dev); dev; @@ -84,12 +81,33 @@ int gpio_lookup_name(const char *name, struct udevice **devp, if (!dev) return ret ? ret : -EINVAL; + desc->dev = dev; + desc->offset = offset; + + return 0; +} + +int gpio_lookup_name(const char *name, struct udevice **devp, + unsigned int *offsetp, unsigned int *gpiop) +{ + struct gpio_desc desc; + int ret; + + if (devp) + *devp = NULL; + ret = dm_gpio_lookup_name(name, &desc); + if (ret) + return ret; + if (devp) - *devp = dev; + *devp = desc.dev; if (offsetp) - *offsetp = offset; - if (gpiop) - *gpiop = uc_priv->gpio_base + offset; + *offsetp = desc.offset; + if (gpiop) { + struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(desc.dev); + + *gpiop = uc_priv->gpio_base + desc.offset; + } return 0; } @@ -109,7 +127,7 @@ static int gpio_find_and_xlate(struct gpio_desc *desc, return ops->xlate ? ops->xlate(desc->dev, desc, args) : 0; } -static int dm_gpio_request(struct gpio_desc *desc, const char *label) +int dm_gpio_request(struct gpio_desc *desc, const char *label) { struct udevice *dev = desc->dev; struct gpio_dev_priv *uc_priv; |