1 // SPDX-License-Identifier: GPL-2.0-only
8  * Copyright (C) 2006-2008 Marvell International Ltd.
19 #define DA9030_LED1_CONTROL	0x20
20 #define DA9030_LED2_CONTROL	0x21
21 #define DA9030_LED3_CONTROL	0x22
22 #define DA9030_LED4_CONTROL	0x23
23 #define DA9030_LEDPC_CONTROL	0x24
24 #define DA9030_MISC_CONTROL_A	0x26	/* Vibrator Control */
26 #define DA9034_LED1_CONTROL	0x35
27 #define DA9034_LED2_CONTROL	0x36
28 #define DA9034_VIBRA		0x40
37 #define DA9030_LED_OFFSET(id)	((id) - DA9030_ID_LED_1)
38 #define DA9034_LED_OFFSET(id)	((id) - DA9034_ID_LED_1)
43 	struct da903x_led *led =  in da903x_led_set()  local
46 	int offset, ret = -EINVAL;  in da903x_led_set()
48 	switch (led->id) {  in da903x_led_set()
54 		offset = DA9030_LED_OFFSET(led->id);  in da903x_led_set()
55 		val = led->flags & ~0x87;  in da903x_led_set()
56 		val |= value ? 0x80 : 0; /* EN bit */  in da903x_led_set()
57 		val |= (0x7 - (value >> 5)) & 0x7; /* PWM<2:0> */  in da903x_led_set()
58 		ret = da903x_write(led->master, DA9030_LED1_CONTROL + offset,  in da903x_led_set()
62 		val = led->flags & ~0x80;  in da903x_led_set()
63 		val |= value ? 0x80 : 0; /* EN bit */  in da903x_led_set()
64 		ret = da903x_write(led->master, DA9030_MISC_CONTROL_A, val);  in da903x_led_set()
68 		offset = DA9034_LED_OFFSET(led->id);  in da903x_led_set()
69 		val = (value * 0x5f / LED_FULL) & 0x7f;  in da903x_led_set()
70 		val |= (led->flags & DA9034_LED_RAMP) ? 0x80 : 0;  in da903x_led_set()
71 		ret = da903x_write(led->master, DA9034_LED1_CONTROL + offset,  in da903x_led_set()
75 		val = value & 0xfe;  in da903x_led_set()
76 		ret = da903x_write(led->master, DA9034_VIBRA, val);  in da903x_led_set()
85 	struct led_info *pdata = dev_get_platdata(&pdev->dev);  in da903x_led_probe()
86 	struct da903x_led *led;  in da903x_led_probe()  local
90 		return 0;  in da903x_led_probe()
92 	id = pdev->id;  in da903x_led_probe()
96 		dev_err(&pdev->dev, "invalid LED ID (%d) specified\n", id);  in da903x_led_probe()
97 		return -EINVAL;  in da903x_led_probe()
100 	led = devm_kzalloc(&pdev->dev, sizeof(struct da903x_led), GFP_KERNEL);  in da903x_led_probe()
101 	if (!led)  in da903x_led_probe()
102 		return -ENOMEM;  in da903x_led_probe()
104 	led->cdev.name = pdata->name;  in da903x_led_probe()
105 	led->cdev.default_trigger = pdata->default_trigger;  in da903x_led_probe()
106 	led->cdev.brightness_set_blocking = da903x_led_set;  in da903x_led_probe()
107 	led->cdev.brightness = LED_OFF;  in da903x_led_probe()
109 	led->id = id;  in da903x_led_probe()
110 	led->flags = pdata->flags;  in da903x_led_probe()
111 	led->master = pdev->dev.parent;  in da903x_led_probe()
113 	ret = led_classdev_register(led->master, &led->cdev);  in da903x_led_probe()
115 		dev_err(&pdev->dev, "failed to register LED %d\n", id);  in da903x_led_probe()
119 	platform_set_drvdata(pdev, led);  in da903x_led_probe()
121 	return 0;  in da903x_led_probe()
126 	struct da903x_led *led = platform_get_drvdata(pdev);  in da903x_led_remove()  local
128 	led_classdev_unregister(&led->cdev);  in da903x_led_remove()
130 	return 0;  in da903x_led_remove()
135 		.name	= "da903x-led",
147 MODULE_ALIAS("platform:da903x-led");