diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-at91-pio4.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-at91-pio4.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/drivers/pinctrl/pinctrl-at91-pio4.c b/drivers/pinctrl/pinctrl-at91-pio4.c index 82b921fd630d..39b233f73e13 100644 --- a/drivers/pinctrl/pinctrl-at91-pio4.c +++ b/drivers/pinctrl/pinctrl-at91-pio4.c @@ -7,18 +7,22 @@ */ #include <dt-bindings/pinctrl/at91.h> + #include <linux/clk.h> #include <linux/gpio/driver.h> +#include <linux/init.h> #include <linux/interrupt.h> #include <linux/io.h> -#include <linux/init.h> #include <linux/of.h> #include <linux/platform_device.h> -#include <linux/pinctrl/pinconf.h> +#include <linux/seq_file.h> +#include <linux/slab.h> + #include <linux/pinctrl/pinconf-generic.h> +#include <linux/pinctrl/pinconf.h> #include <linux/pinctrl/pinctrl.h> #include <linux/pinctrl/pinmux.h> -#include <linux/slab.h> + #include "core.h" #include "pinconf.h" #include "pinctrl-utils.h" @@ -775,6 +779,8 @@ static int atmel_conf_pin_config_group_get(struct pinctrl_dev *pctldev, return -EINVAL; arg = (res & ATMEL_PIO_DRVSTR_MASK) >> ATMEL_PIO_DRVSTR_OFFSET; break; + case PIN_CONFIG_PERSIST_STATE: + return -ENOTSUPP; default: return -ENOTSUPP; } @@ -883,6 +889,8 @@ static int atmel_conf_pin_config_group_set(struct pinctrl_dev *pctldev, dev_warn(pctldev->dev, "drive strength not updated (incorrect value)\n"); } break; + case PIN_CONFIG_PERSIST_STATE: + return -ENOTSUPP; default: dev_warn(pctldev->dev, "unsupported configuration parameter: %u\n", @@ -897,6 +905,25 @@ static int atmel_conf_pin_config_group_set(struct pinctrl_dev *pctldev, return 0; } +static int atmel_conf_pin_config_set(struct pinctrl_dev *pctldev, + unsigned pin, + unsigned long *configs, + unsigned num_configs) +{ + struct atmel_group *grp = atmel_pctl_find_group_by_pin(pctldev, pin); + + return atmel_conf_pin_config_group_set(pctldev, grp->pin, configs, num_configs); +} + +static int atmel_conf_pin_config_get(struct pinctrl_dev *pctldev, + unsigned pin, + unsigned long *configs) +{ + struct atmel_group *grp = atmel_pctl_find_group_by_pin(pctldev, pin); + + return atmel_conf_pin_config_group_get(pctldev, grp->pin, configs); +} + static void atmel_conf_pin_config_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s, unsigned int pin_id) @@ -944,6 +971,8 @@ static const struct pinconf_ops atmel_confops = { .pin_config_group_get = atmel_conf_pin_config_group_get, .pin_config_group_set = atmel_conf_pin_config_group_set, .pin_config_dbg_show = atmel_conf_pin_config_dbg_show, + .pin_config_set = atmel_conf_pin_config_set, + .pin_config_get = atmel_conf_pin_config_get, }; static struct pinctrl_desc atmel_pinctrl_desc = { @@ -1134,6 +1163,7 @@ static int atmel_pinctrl_probe(struct platform_device *pdev) atmel_pioctrl->gpio_chip->label = dev_name(dev); atmel_pioctrl->gpio_chip->parent = dev; atmel_pioctrl->gpio_chip->names = atmel_pioctrl->group_names; + atmel_pioctrl->gpio_chip->set_config = gpiochip_generic_config; atmel_pioctrl->pm_wakeup_sources = devm_kcalloc(dev, atmel_pioctrl->nbanks, |