diff options
| author | Pramod Kumar <pramodku@broadcom.com> | 2015-11-19 06:52:15 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-11-30 11:36:14 +0300 |
| commit | e1aaaf3ff311ce03401965a38b33aceac4e51951 (patch) | |
| tree | dd61720f4c7f3789dc78498349b76024af29fd0b /drivers/pinctrl/bcm | |
| parent | 2652df631cbe9bd4bb0f3c9dcc284e0f099dbbf1 (diff) | |
| download | linux-e1aaaf3ff311ce03401965a38b33aceac4e51951.tar.xz | |
pinctrl: use ngpios propety from DT
Since identical hardware is used in several instances and every
instance will have different in-use pins. Hence extracting this
number from DT via "ngpios" property.
Signed-off-by: Pramod Kumar <pramodku@broadcom.com>
Reviewed-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/bcm')
| -rw-r--r-- | drivers/pinctrl/bcm/pinctrl-cygnus-gpio.c | 45 |
1 files changed, 9 insertions, 36 deletions
diff --git a/drivers/pinctrl/bcm/pinctrl-cygnus-gpio.c b/drivers/pinctrl/bcm/pinctrl-cygnus-gpio.c index 663ad0a34674..f19283aa8419 100644 --- a/drivers/pinctrl/bcm/pinctrl-cygnus-gpio.c +++ b/drivers/pinctrl/bcm/pinctrl-cygnus-gpio.c @@ -641,35 +641,11 @@ static void cygnus_gpio_unregister_pinconf(struct cygnus_gpio *chip) pinctrl_unregister(chip->pctl); } -struct cygnus_gpio_data { - unsigned num_gpios; -}; - -static const struct cygnus_gpio_data cygnus_cmm_gpio_data = { - .num_gpios = 24, -}; - -static const struct cygnus_gpio_data cygnus_asiu_gpio_data = { - .num_gpios = 146, -}; - -static const struct cygnus_gpio_data cygnus_crmu_gpio_data = { - .num_gpios = 6, -}; - static const struct of_device_id cygnus_gpio_of_match[] = { - { - .compatible = "brcm,cygnus-ccm-gpio", - .data = &cygnus_cmm_gpio_data, - }, - { - .compatible = "brcm,cygnus-asiu-gpio", - .data = &cygnus_asiu_gpio_data, - }, - { - .compatible = "brcm,cygnus-crmu-gpio", - .data = &cygnus_crmu_gpio_data, - } + { .compatible = "brcm,cygnus-ccm-gpio" }, + { .compatible = "brcm,cygnus-asiu-gpio" }, + { .compatible = "brcm,cygnus-crmu-gpio" }, + { } }; static int cygnus_gpio_probe(struct platform_device *pdev) @@ -680,14 +656,6 @@ static int cygnus_gpio_probe(struct platform_device *pdev) struct gpio_chip *gc; u32 ngpios; int irq, ret; - const struct of_device_id *match; - const struct cygnus_gpio_data *gpio_data; - - match = of_match_device(cygnus_gpio_of_match, dev); - if (!match) - return -ENODEV; - gpio_data = match->data; - ngpios = gpio_data->num_gpios; chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL); if (!chip) @@ -712,6 +680,11 @@ static int cygnus_gpio_probe(struct platform_device *pdev) } } + if (of_property_read_u32(dev->of_node, "ngpios", &ngpios)) { + dev_err(&pdev->dev, "missing ngpios DT property\n"); + return -ENODEV; + } + spin_lock_init(&chip->lock); gc = &chip->gc; |