1 // SPDX-License-Identifier: GPL-2.0-only
16 #include <linux/mfd/ti-lmu.h>
17 #include <linux/mfd/ti-lmu-register.h>
31 	if (lmu->en_gpio)  in ti_lmu_enable_hw()
32 		gpiod_set_value(lmu->en_gpio, 1);  in ti_lmu_enable_hw()
37 	/* LM3631 has additional power up sequence - enable LCD_EN bit. */  in ti_lmu_enable_hw()
39 		return regmap_update_bits(lmu->regmap, LM3631_REG_DEVCTRL,  in ti_lmu_enable_hw()
50 	if (lmu->en_gpio)  in ti_lmu_disable_hw()
51 		gpiod_set_value(lmu->en_gpio, 0);  in ti_lmu_disable_hw()
56 	.name          = "lm363x-regulator",	\
58 	.of_compatible = "ti,lm363x-regulator",	\
68 		.name          = "ti-lmu-backlight",
70 		.of_compatible = "ti,lm3631-backlight",
79 		.name          = "ti-lmu-backlight",
81 		.of_compatible = "ti,lm3632-backlight",
87 		.name          = "ti-lmu-backlight",
89 		.of_compatible = "ti,lm3633-backlight",
92 		.name          = "lm3633-leds",
93 		.of_compatible = "ti,lm3633-leds",
95 	/* Monitoring driver for open/short circuit detection */
97 		.name          = "ti-lmu-fault-monitor",
99 		.of_compatible = "ti,lm3633-fault-monitor",
105 		.name          = "ti-lmu-backlight",
107 		.of_compatible = "ti,lm3695-backlight",
116 		.name          = "lm36274-leds",
118 		.of_compatible = "ti,lm36274-backlight",
138 	struct device *dev = &cl->dev;  in ti_lmu_probe()
150 		return -ENODEV;  in ti_lmu_probe()
154 		return -ENOMEM;  in ti_lmu_probe()
156 	lmu->dev = &cl->dev;  in ti_lmu_probe()
162 	regmap_cfg.name = id->name;  in ti_lmu_probe()
163 	regmap_cfg.max_register = data->max_register;  in ti_lmu_probe()
165 	lmu->regmap = devm_regmap_init_i2c(cl, &regmap_cfg);  in ti_lmu_probe()
166 	if (IS_ERR(lmu->regmap))  in ti_lmu_probe()
167 		return PTR_ERR(lmu->regmap);  in ti_lmu_probe()
170 	lmu->en_gpio = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_HIGH);  in ti_lmu_probe()
171 	if (IS_ERR(lmu->en_gpio)) {  in ti_lmu_probe()
172 		ret = PTR_ERR(lmu->en_gpio);  in ti_lmu_probe()
177 	ret = ti_lmu_enable_hw(lmu, id->driver_data);  in ti_lmu_probe()
186 	 * Fault circuit(open/short) can be detected by ti-lmu-fault-monitor.  in ti_lmu_probe()
187 	 * After fault detection is done, some devices should re-initialize  in ti_lmu_probe()
190 	BLOCKING_INIT_NOTIFIER_HEAD(&lmu->notifier);  in ti_lmu_probe()
194 	return devm_mfd_add_devices(lmu->dev, 0, data->cells,  in ti_lmu_probe()
195 				    data->num_cells, NULL, 0, NULL);  in ti_lmu_probe()
221 		.name = "ti-lmu",