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Commit 9f82c778 authored by Álvaro Fernández Rojas's avatar Álvaro Fernández Rojas Committed by Jacek Anaszewski
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leds-bcm6328: add more init configuration options 



This patch adds more init register configuration options:
- Serial LEDs multiplexing.
- Serial LEDs clock signal low/high polarity.
- Serial LEDs data signal low/high polarity.
- Serial LEDs shift direction inverted/normal.

Signed-off-by: default avatarÁlvaro Fernández Rojas <noltari@gmail.com>
Signed-off-by: default avatarJacek Anaszewski <j.anaszewski@samsung.com>
parent d8fe1606

drivers/leds/leds-bcm6328.c

+14 −1
Original line number Diff line number Diff line
@@ -41,6 +41,11 @@ 
#define BCM6328_SERIAL_LED_SHIFT_DIR	BIT(16)

#define BCM6328_LED_SHIFT_TEST		BIT(30)

#define BCM6328_LED_TEST		BIT(31)

#define BCM6328_INIT_MASK		(BCM6328_SERIAL_LED_EN | \

					 BCM6328_SERIAL_LED_MUX  | \

					 BCM6328_SERIAL_LED_CLK_NPOL | \

					 BCM6328_SERIAL_LED_DATA_PPOL | \

					 BCM6328_SERIAL_LED_SHIFT_DIR)



#define BCM6328_LED_MODE_MASK		3

#define BCM6328_LED_MODE_OFF		0
@@ -366,9 +371,17 @@ static int bcm6328_leds_probe(struct platform_device *pdev) 
	bcm6328_led_write(mem + BCM6328_REG_LNKACTSEL_LO, 0);



	val = bcm6328_led_read(mem + BCM6328_REG_INIT);

	val &= ~BCM6328_SERIAL_LED_EN;

	val &= ~(BCM6328_INIT_MASK);

	if (of_property_read_bool(np, "brcm,serial-leds"))

		val |= BCM6328_SERIAL_LED_EN;

	if (of_property_read_bool(np, "brcm,serial-mux"))

		val |= BCM6328_SERIAL_LED_MUX;

	if (of_property_read_bool(np, "brcm,serial-clk-low"))

		val |= BCM6328_SERIAL_LED_CLK_NPOL;

	if (!of_property_read_bool(np, "brcm,serial-dat-low"))

		val |= BCM6328_SERIAL_LED_DATA_PPOL;

	if (!of_property_read_bool(np, "brcm,serial-shift-inv"))

		val |= BCM6328_SERIAL_LED_SHIFT_DIR;

	bcm6328_led_write(mem + BCM6328_REG_INIT, val);



	for_each_available_child_of_node(np, child) {