9 #include <linux/leds.h>
59 	struct bcm63138_leds *leds;  member
69 static void bcm63138_leds_write(struct bcm63138_leds *leds, unsigned int reg,  in bcm63138_leds_write()  argument
72 	writel(data, leds->base + reg);  in bcm63138_leds_write()
75 static unsigned long bcm63138_leds_read(struct bcm63138_leds *leds,  in bcm63138_leds_read()  argument
78 	return readl(leds->base + reg);  in bcm63138_leds_read()
81 static void bcm63138_leds_update_bits(struct bcm63138_leds *leds,  in bcm63138_leds_update_bits()  argument
86 	bcm63138_leds_write(leds, reg, (bcm63138_leds_read(leds, reg) & ~mask) | (val & mask));  in bcm63138_leds_update_bits()
93 static void bcm63138_leds_set_flash_rate(struct bcm63138_leds *leds,  in bcm63138_leds_set_flash_rate()  argument
100 	bcm63138_leds_update_bits(leds, BCM63138_FLASH_RATE_CTRL1 + reg_offset,  in bcm63138_leds_set_flash_rate()
104 static void bcm63138_leds_set_bright(struct bcm63138_leds *leds,  in bcm63138_leds_set_bright()  argument
111 	bcm63138_leds_update_bits(leds, BCM63138_BRIGHT_CTRL1 + reg_offset,  in bcm63138_leds_set_bright()
115 static void bcm63138_leds_enable_led(struct bcm63138_leds *leds,  in bcm63138_leds_enable_led()  argument
121 	bcm63138_leds_update_bits(leds, BCM63138_SW_DATA, bit, value ? bit : 0);  in bcm63138_leds_enable_led()
132 	struct bcm63138_leds *leds = led->leds;  in bcm63138_leds_brightness_set()  local
134 	guard(spinlock_irqsave)(&leds->lock);  in bcm63138_leds_brightness_set()
136 	bcm63138_leds_enable_led(leds, led, value);  in bcm63138_leds_brightness_set()
138 		bcm63138_leds_set_flash_rate(leds, led, 0);  in bcm63138_leds_brightness_set()
140 		bcm63138_leds_set_bright(leds, led, value);  in bcm63138_leds_brightness_set()
148 	struct bcm63138_leds *leds = led->leds;  in bcm63138_leds_blink_set()  local
183 	guard(spinlock_irqsave)(&leds->lock);  in bcm63138_leds_blink_set()
185 	bcm63138_leds_enable_led(leds, led, BCM63138_MAX_BRIGHTNESS);  in bcm63138_leds_blink_set()
186 	bcm63138_leds_set_flash_rate(leds, led, value);  in bcm63138_leds_blink_set()
195 static void bcm63138_leds_create_led(struct bcm63138_leds *leds,  in bcm63138_leds_create_led()  argument
201 	struct device *dev = leds->dev;  in bcm63138_leds_create_led()
213 	led->leds = leds;  in bcm63138_leds_create_led()
244 	bcm63138_leds_update_bits(leds, BCM63138_PARALLEL_LED_POLARITY, bit,  in bcm63138_leds_create_led()
246 	bcm63138_leds_update_bits(leds, BCM63138_HW_LED_EN, bit, 0);  in bcm63138_leds_create_led()
247 	bcm63138_leds_set_flash_rate(leds, led, 0);  in bcm63138_leds_create_led()
248 	bcm63138_leds_enable_led(leds, led, led->cdev.brightness);  in bcm63138_leds_create_led()
260 	struct bcm63138_leds *leds;  in bcm63138_leds_probe()  local
263 	leds = devm_kzalloc(dev, sizeof(*leds), GFP_KERNEL);  in bcm63138_leds_probe()
264 	if (!leds)  in bcm63138_leds_probe()
267 	leds->dev = dev;  in bcm63138_leds_probe()
269 	leds->base = devm_platform_ioremap_resource(pdev, 0);  in bcm63138_leds_probe()
270 	if (IS_ERR(leds->base))  in bcm63138_leds_probe()
271 		return PTR_ERR(leds->base);  in bcm63138_leds_probe()
273 	spin_lock_init(&leds->lock);  in bcm63138_leds_probe()
277 		bcm63138_leds_write(leds, BCM63138_SERIAL_LED_SHIFT_SEL,  in bcm63138_leds_probe()
281 	bcm63138_leds_write(leds, BCM63138_GLB_CTRL,  in bcm63138_leds_probe()
284 	bcm63138_leds_write(leds, BCM63138_HW_LED_EN, 0);  in bcm63138_leds_probe()
285 	bcm63138_leds_write(leds, BCM63138_SERIAL_LED_POLARITY, 0);  in bcm63138_leds_probe()
286 	bcm63138_leds_write(leds, BCM63138_PARALLEL_LED_POLARITY, 0);  in bcm63138_leds_probe()
289 		bcm63138_leds_create_led(leds, child);  in bcm63138_leds_probe()
296 	{ .compatible = "brcm,bcm63138-leds", },
303 		.name = "leds-bcm63xxx",