diff options
Diffstat (limited to 'drivers/leds/leds-pca963x.c')
-rw-r--r-- | drivers/leds/leds-pca963x.c | 66 |
1 files changed, 22 insertions, 44 deletions
diff --git a/drivers/leds/leds-pca963x.c b/drivers/leds/leds-pca963x.c index 5c0908113e38..9b4ef070d956 100644 --- a/drivers/leds/leds-pca963x.c +++ b/drivers/leds/leds-pca963x.c @@ -25,7 +25,6 @@ * or by adding the 'nxp,hw-blink' property to the DTS. */ -#include <linux/acpi.h> #include <linux/module.h> #include <linux/delay.h> #include <linux/string.h> @@ -33,6 +32,7 @@ #include <linux/leds.h> #include <linux/err.h> #include <linux/i2c.h> +#include <linux/property.h> #include <linux/slab.h> #include <linux/of.h> #include <linux/platform_data/leds-pca963x.h> @@ -97,15 +97,6 @@ static const struct i2c_device_id pca963x_id[] = { }; MODULE_DEVICE_TABLE(i2c, pca963x_id); -static const struct acpi_device_id pca963x_acpi_ids[] = { - { "PCA9632", pca9633 }, - { "PCA9633", pca9633 }, - { "PCA9634", pca9634 }, - { "PCA9635", pca9635 }, - { } -}; -MODULE_DEVICE_TABLE(acpi, pca963x_acpi_ids); - struct pca963x_led; struct pca963x { @@ -287,16 +278,15 @@ static int pca963x_blink_set(struct led_classdev *led_cdev, return 0; } -#if IS_ENABLED(CONFIG_OF) static struct pca963x_platform_data * -pca963x_dt_init(struct i2c_client *client, struct pca963x_chipdef *chip) +pca963x_get_pdata(struct i2c_client *client, struct pca963x_chipdef *chip) { - struct device_node *np = client->dev.of_node, *child; struct pca963x_platform_data *pdata; struct led_info *pca963x_leds; + struct fwnode_handle *child; int count; - count = of_get_child_count(np); + count = device_get_child_node_count(&client->dev); if (!count || count > chip->n_leds) return ERR_PTR(-ENODEV); @@ -305,18 +295,22 @@ pca963x_dt_init(struct i2c_client *client, struct pca963x_chipdef *chip) if (!pca963x_leds) return ERR_PTR(-ENOMEM); - for_each_child_of_node(np, child) { + device_for_each_child_node(&client->dev, child) { struct led_info led = {}; u32 reg; int res; - res = of_property_read_u32(child, "reg", ®); + res = fwnode_property_read_u32(child, "reg", ®); if ((res != 0) || (reg >= chip->n_leds)) continue; - led.name = - of_get_property(child, "label", NULL) ? : child->name; - led.default_trigger = - of_get_property(child, "linux,default-trigger", NULL); + + res = fwnode_property_read_string(child, "label", &led.name); + if ((res != 0) && is_of_node(child)) + led.name = to_of_node(child)->name; + + fwnode_property_read_string(child, "linux,default-trigger", + &led.default_trigger); + pca963x_leds[reg] = led; } pdata = devm_kzalloc(&client->dev, @@ -328,22 +322,23 @@ pca963x_dt_init(struct i2c_client *client, struct pca963x_chipdef *chip) pdata->leds.num_leds = chip->n_leds; /* default to open-drain unless totem pole (push-pull) is specified */ - if (of_property_read_bool(np, "nxp,totem-pole")) + if (device_property_read_bool(&client->dev, "nxp,totem-pole")) pdata->outdrv = PCA963X_TOTEM_POLE; else pdata->outdrv = PCA963X_OPEN_DRAIN; /* default to software blinking unless hardware blinking is specified */ - if (of_property_read_bool(np, "nxp,hw-blink")) + if (device_property_read_bool(&client->dev, "nxp,hw-blink")) pdata->blink_type = PCA963X_HW_BLINK; else pdata->blink_type = PCA963X_SW_BLINK; - if (of_property_read_u32(np, "nxp,period-scale", &chip->scaling)) + if (device_property_read_u32(&client->dev, "nxp,period-scale", + &chip->scaling)) chip->scaling = 1000; /* default to non-inverted output, unless inverted is specified */ - if (of_property_read_bool(np, "nxp,inverted-out")) + if (device_property_read_bool(&client->dev, "nxp,inverted-out")) pdata->dir = PCA963X_INVERTED; else pdata->dir = PCA963X_NORMAL; @@ -359,13 +354,6 @@ static const struct of_device_id of_pca963x_match[] = { {}, }; MODULE_DEVICE_TABLE(of, of_pca963x_match); -#else -static struct pca963x_platform_data * -pca963x_dt_init(struct i2c_client *client, struct pca963x_chipdef *chip) -{ - return ERR_PTR(-ENODEV); -} -#endif static int pca963x_probe(struct i2c_client *client, const struct i2c_device_id *id) @@ -376,20 +364,11 @@ static int pca963x_probe(struct i2c_client *client, struct pca963x_chipdef *chip; int i, err; - if (id) { - chip = &pca963x_chipdefs[id->driver_data]; - } else { - const struct acpi_device_id *acpi_id; - - acpi_id = acpi_match_device(pca963x_acpi_ids, &client->dev); - if (!acpi_id) - return -ENODEV; - chip = &pca963x_chipdefs[acpi_id->driver_data]; - } + chip = &pca963x_chipdefs[id->driver_data]; pdata = dev_get_platdata(&client->dev); if (!pdata) { - pdata = pca963x_dt_init(client, chip); + pdata = pca963x_get_pdata(client, chip); if (IS_ERR(pdata)) { dev_warn(&client->dev, "could not parse configuration\n"); pdata = NULL; @@ -495,8 +474,7 @@ static int pca963x_remove(struct i2c_client *client) static struct i2c_driver pca963x_driver = { .driver = { .name = "leds-pca963x", - .of_match_table = of_match_ptr(of_pca963x_match), - .acpi_match_table = ACPI_PTR(pca963x_acpi_ids), + .of_match_table = of_pca963x_match, }, .probe = pca963x_probe, .remove = pca963x_remove, |