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path: root/drivers/leds/rgb/leds-ktd202x.c
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Diffstat (limited to 'drivers/leds/rgb/leds-ktd202x.c')
-rw-r--r--drivers/leds/rgb/leds-ktd202x.c80
1 files changed, 46 insertions, 34 deletions
diff --git a/drivers/leds/rgb/leds-ktd202x.c b/drivers/leds/rgb/leds-ktd202x.c
index 514965795a10..d5c442163c46 100644
--- a/drivers/leds/rgb/leds-ktd202x.c
+++ b/drivers/leds/rgb/leds-ktd202x.c
@@ -99,7 +99,7 @@ struct ktd202x {
struct device *dev;
struct regmap *regmap;
bool enabled;
- int num_leds;
+ unsigned long num_leds;
struct ktd202x_led leds[] __counted_by(num_leds);
};
@@ -381,16 +381,19 @@ static int ktd202x_blink_mc_set(struct led_classdev *cdev,
mc->num_colors);
}
-static int ktd202x_setup_led_rgb(struct ktd202x *chip, struct device_node *np,
+static int ktd202x_setup_led_rgb(struct ktd202x *chip, struct fwnode_handle *fwnode,
struct ktd202x_led *led, struct led_init_data *init_data)
{
+ struct fwnode_handle *child;
struct led_classdev *cdev;
- struct device_node *child;
struct mc_subled *info;
int num_channels;
int i = 0;
- num_channels = of_get_available_child_count(np);
+ num_channels = 0;
+ fwnode_for_each_available_child_node(fwnode, child)
+ num_channels++;
+
if (!num_channels || num_channels > chip->num_leds)
return -EINVAL;
@@ -398,22 +401,22 @@ static int ktd202x_setup_led_rgb(struct ktd202x *chip, struct device_node *np,
if (!info)
return -ENOMEM;
- for_each_available_child_of_node(np, child) {
+ fwnode_for_each_available_child_node(fwnode, child) {
u32 mono_color;
u32 reg;
int ret;
- ret = of_property_read_u32(child, "reg", &reg);
+ ret = fwnode_property_read_u32(child, "reg", &reg);
if (ret != 0 || reg >= chip->num_leds) {
- dev_err(chip->dev, "invalid 'reg' of %pOFn\n", child);
- of_node_put(child);
- return -EINVAL;
+ dev_err(chip->dev, "invalid 'reg' of %pfw\n", child);
+ fwnode_handle_put(child);
+ return ret;
}
- ret = of_property_read_u32(child, "color", &mono_color);
+ ret = fwnode_property_read_u32(child, "color", &mono_color);
if (ret < 0 && ret != -EINVAL) {
- dev_err(chip->dev, "failed to parse 'color' of %pOF\n", child);
- of_node_put(child);
+ dev_err(chip->dev, "failed to parse 'color' of %pfw\n", child);
+ fwnode_handle_put(child);
return ret;
}
@@ -433,16 +436,16 @@ static int ktd202x_setup_led_rgb(struct ktd202x *chip, struct device_node *np,
return devm_led_classdev_multicolor_register_ext(chip->dev, &led->mcdev, init_data);
}
-static int ktd202x_setup_led_single(struct ktd202x *chip, struct device_node *np,
+static int ktd202x_setup_led_single(struct ktd202x *chip, struct fwnode_handle *fwnode,
struct ktd202x_led *led, struct led_init_data *init_data)
{
struct led_classdev *cdev;
u32 reg;
int ret;
- ret = of_property_read_u32(np, "reg", &reg);
+ ret = fwnode_property_read_u32(fwnode, "reg", &reg);
if (ret != 0 || reg >= chip->num_leds) {
- dev_err(chip->dev, "invalid 'reg' of %pOFn\n", np);
+ dev_err(chip->dev, "invalid 'reg' of %pfw\n", fwnode);
return -EINVAL;
}
led->index = reg;
@@ -454,7 +457,7 @@ static int ktd202x_setup_led_single(struct ktd202x *chip, struct device_node *np
return devm_led_classdev_register_ext(chip->dev, &led->cdev, init_data);
}
-static int ktd202x_add_led(struct ktd202x *chip, struct device_node *np, unsigned int index)
+static int ktd202x_add_led(struct ktd202x *chip, struct fwnode_handle *fwnode, unsigned int index)
{
struct ktd202x_led *led = &chip->leds[index];
struct led_init_data init_data = {};
@@ -463,21 +466,21 @@ static int ktd202x_add_led(struct ktd202x *chip, struct device_node *np, unsigne
int ret;
/* Color property is optional in single color case */
- ret = of_property_read_u32(np, "color", &color);
+ ret = fwnode_property_read_u32(fwnode, "color", &color);
if (ret < 0 && ret != -EINVAL) {
- dev_err(chip->dev, "failed to parse 'color' of %pOF\n", np);
+ dev_err(chip->dev, "failed to parse 'color' of %pfw\n", fwnode);
return ret;
}
led->chip = chip;
- init_data.fwnode = of_fwnode_handle(np);
+ init_data.fwnode = fwnode;
if (color == LED_COLOR_ID_RGB) {
cdev = &led->mcdev.led_cdev;
- ret = ktd202x_setup_led_rgb(chip, np, led, &init_data);
+ ret = ktd202x_setup_led_rgb(chip, fwnode, led, &init_data);
} else {
cdev = &led->cdev;
- ret = ktd202x_setup_led_single(chip, np, led, &init_data);
+ ret = ktd202x_setup_led_single(chip, fwnode, led, &init_data);
}
if (ret) {
@@ -490,15 +493,14 @@ static int ktd202x_add_led(struct ktd202x *chip, struct device_node *np, unsigne
return 0;
}
-static int ktd202x_probe_dt(struct ktd202x *chip)
+static int ktd202x_probe_fw(struct ktd202x *chip)
{
- struct device_node *np = dev_of_node(chip->dev), *child;
+ struct fwnode_handle *child;
+ struct device *dev = chip->dev;
int count;
int i = 0;
- chip->num_leds = (int)(unsigned long)of_device_get_match_data(chip->dev);
-
- count = of_get_available_child_count(np);
+ count = device_get_child_node_count(dev);
if (!count || count > chip->num_leds)
return -EINVAL;
@@ -507,11 +509,11 @@ static int ktd202x_probe_dt(struct ktd202x *chip)
/* Allow the device to execute the complete reset */
usleep_range(200, 300);
- for_each_available_child_of_node(np, child) {
+ device_for_each_child_node(dev, child) {
int ret = ktd202x_add_led(chip, child, i);
if (ret) {
- of_node_put(child);
+ fwnode_handle_put(child);
return ret;
}
i++;
@@ -554,6 +556,12 @@ static int ktd202x_probe(struct i2c_client *client)
return ret;
}
+ ret = devm_mutex_init(dev, &chip->mutex);
+ if (ret)
+ return ret;
+
+ chip->num_leds = (unsigned long)i2c_get_match_data(client);
+
chip->regulators[0].supply = "vin";
chip->regulators[1].supply = "vio";
ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(chip->regulators), chip->regulators);
@@ -568,7 +576,7 @@ static int ktd202x_probe(struct i2c_client *client)
return ret;
}
- ret = ktd202x_probe_dt(chip);
+ ret = ktd202x_probe_fw(chip);
if (ret < 0) {
regulator_bulk_disable(ARRAY_SIZE(chip->regulators), chip->regulators);
return ret;
@@ -580,8 +588,6 @@ static int ktd202x_probe(struct i2c_client *client)
return ret;
}
- mutex_init(&chip->mutex);
-
return 0;
}
@@ -590,8 +596,6 @@ static void ktd202x_remove(struct i2c_client *client)
struct ktd202x *chip = i2c_get_clientdata(client);
ktd202x_chip_disable(chip);
-
- mutex_destroy(&chip->mutex);
}
static void ktd202x_shutdown(struct i2c_client *client)
@@ -602,10 +606,17 @@ static void ktd202x_shutdown(struct i2c_client *client)
regmap_write(chip->regmap, KTD202X_REG_RESET_CONTROL, KTD202X_RSTR_RESET);
}
+static const struct i2c_device_id ktd202x_id[] = {
+ {"ktd2026", KTD2026_NUM_LEDS},
+ {"ktd2027", KTD2027_NUM_LEDS},
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, ktd202x_id);
+
static const struct of_device_id ktd202x_match_table[] = {
{ .compatible = "kinetic,ktd2026", .data = (void *)KTD2026_NUM_LEDS },
{ .compatible = "kinetic,ktd2027", .data = (void *)KTD2027_NUM_LEDS },
- {},
+ {}
};
MODULE_DEVICE_TABLE(of, ktd202x_match_table);
@@ -617,6 +628,7 @@ static struct i2c_driver ktd202x_driver = {
.probe = ktd202x_probe,
.remove = ktd202x_remove,
.shutdown = ktd202x_shutdown,
+ .id_table = ktd202x_id,
};
module_i2c_driver(ktd202x_driver);
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-06 07:12:22 +0100