1 // SPDX-License-Identifier: GPL-2.0-only
7  * Copyright 2022 NXP
23 /* Auto-increment disabled. Normal mode */
81 	struct pca995x_chip *chip = led->chip;  in pca995x_brightness_set()
82 	const struct pca995x_chipdef *chipdef = chip->chipdef;  in pca995x_brightness_set()
86 	pwmout_addr = chipdef->pwm_base + led->led_no;  in pca995x_brightness_set()
87 	ledout_addr = PCA995X_LEDOUT0 + (led->led_no / PCA995X_OUTPUTS_PER_REG);  in pca995x_brightness_set()
88 	shift = PCA995X_LDRX_BITS * (led->led_no % PCA995X_OUTPUTS_PER_REG);  in pca995x_brightness_set()
92 		return regmap_update_bits(chip->regmap, ledout_addr,  in pca995x_brightness_set()
96 		return regmap_update_bits(chip->regmap, ledout_addr,  in pca995x_brightness_set()
100 		ret = regmap_write(chip->regmap, pwmout_addr, brightness);  in pca995x_brightness_set()
108 		return regmap_update_bits(chip->regmap, ledout_addr,  in pca995x_brightness_set()
123 	struct device *dev = &client->dev;  in pca995x_probe()
127 	int i, j, reg, ret;  in pca995x_probe()  local
129 	chipdef = device_get_match_data(&client->dev);  in pca995x_probe()
132 		return -ENODEV;  in pca995x_probe()
136 		return -ENOMEM;  in pca995x_probe()
138 	chip->chipdef = chipdef;  in pca995x_probe()
139 	chip->regmap = devm_regmap_init_i2c(client, &pca995x_regmap);  in pca995x_probe()
140 	if (IS_ERR(chip->regmap))  in pca995x_probe()
141 		return PTR_ERR(chip->regmap);  in pca995x_probe()
151 			return -EINVAL;  in pca995x_probe()
153 		led = &chip->leds[reg];  in pca995x_probe()
155 		led->chip = chip;  in pca995x_probe()
156 		led->led_no = reg;  in pca995x_probe()
157 		led->ldev.brightness_set_blocking = pca995x_brightness_set;  in pca995x_probe()
158 		led->ldev.max_brightness = 255;  in pca995x_probe()
161 	for (i = 0; i < PCA995X_MAX_OUTPUTS; i++) {  in pca995x_probe()
164 		if (!led_fwnodes[i])  in pca995x_probe()
167 		init_data.fwnode = led_fwnodes[i];  in pca995x_probe()
170 						     &chip->leds[i].ldev,  in pca995x_probe()
173 			for (j = i; j < PCA995X_MAX_OUTPUTS; j++)  in pca995x_probe()
177 					     chip->leds[i].ldev.name);  in pca995x_probe()
181 	/* Disable LED all-call address and set normal mode */  in pca995x_probe()
182 	ret = regmap_write(chip->regmap, PCA995X_MODE1, PCA995X_MODE1_CFG);  in pca995x_probe()
187 	return regmap_write(chip->regmap, chipdef->irefall, PCA995X_IREFALL_HALF_CFG);  in pca995x_probe()
199 	{ .compatible = "nxp,pca9952", .data = &pca9952_chipdef },
200 	{ .compatible = "nxp,pca9955b", . data = &pca9955b_chipdef },
201 	{ .compatible = "nxp,pca9956b", .data = &pca9956b_chipdef },
208 		.name = "leds-pca995x",
216 MODULE_AUTHOR("Isai Gaspar <isaiezequiel.gaspar@nxp.com>");