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| author |   Dan O'Donovan <dan@emutex.com> | 2016-06-10 13:23:36 +0100 |
|---|---|---|
| committer |   Linus Walleij <linus.walleij@linaro.org> | 2016-06-15 08:37:40 +0200 |
| commit | 77401d7fdfcdcb233864f7a6edc1e15b4f5d56d9 (patch) | |
| tree | 909d99f664404989809a1ab9141d1dc450363528 /drivers/pinctrl/intel | |
| parent | pinctrl: cherryview: add option to set open-drain pin config (diff) | |
| download | linux-dev-77401d7fdfcdcb233864f7a6edc1e15b4f5d56d9.tar.xz linux-dev-77401d7fdfcdcb233864f7a6edc1e15b4f5d56d9.zip | |
pinctrl: cherryview: add handlers for pin_config_group_get/set
Pin config get/set handlers for pin groups were previously not
implemented by this driver. The pin_config_group_set is
particularly useful for applying a common config setting to all
pins in a specified group with a single call, without the caller
needing to reference each individual pin by name.
Signed-off-by: Dan O'Donovan <dan@emutex.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/intel')
| -rw-r--r-- | drivers/pinctrl/intel/pinctrl-cherryview.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c index 7b3f147279c8..5749a4eee746 100644 --- a/drivers/pinctrl/intel/pinctrl-cherryview.c +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c @@ -1176,10 +1176,52 @@ static int chv_config_set(struct pinctrl_dev *pctldev, unsigned pin, return 0; } +static int chv_config_group_get(struct pinctrl_dev *pctldev, + unsigned int group, + unsigned long *config) +{ + const unsigned int *pins; + unsigned int npins; + int ret; + + ret = chv_get_group_pins(pctldev, group, &pins, &npins); + if (ret) + return ret; + + ret = chv_config_get(pctldev, pins[0], config); + if (ret) + return ret; + + return 0; +} + +static int chv_config_group_set(struct pinctrl_dev *pctldev, + unsigned int group, unsigned long *configs, + unsigned int num_configs) +{ + const unsigned int *pins; + unsigned int npins; + int i, ret; + + ret = chv_get_group_pins(pctldev, group, &pins, &npins); + if (ret) + return ret; + + for (i = 0; i < npins; i++) { + ret = chv_config_set(pctldev, pins[i], configs, num_configs); + if (ret) + return ret; + } + + return 0; +} + static const struct pinconf_ops chv_pinconf_ops = { .is_generic = true, .pin_config_set = chv_config_set, .pin_config_get = chv_config_get, + .pin_config_group_get = chv_config_group_get, + .pin_config_group_set = chv_config_group_set, }; static struct pinctrl_desc chv_pinctrl_desc = { |