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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2015-10-08 12:35:54 +0200 |
|---|---|---|
| committer | Jacek Anaszewski <j.anaszewski@samsung.com> | 2015-11-03 08:59:44 +0100 |
| commit | 9f82c778ce17789a038351a411ff65cd41033c7a (patch) | |
| tree | a6aaeeb31a26452b9dad9b5290d9aaba069c8312 /drivers/leds/leds-bcm6328.c | |
| parent | leds-bcm6328: simplify and improve default-state handling (diff) | |
| download | linux-9f82c778ce17789a038351a411ff65cd41033c7a.tar.xz linux-9f82c778ce17789a038351a411ff65cd41033c7a.zip | |
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: Álvaro Fernández Rojas <noltari@gmail.com>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Diffstat (limited to 'drivers/leds/leds-bcm6328.c')
| -rw-r--r-- | drivers/leds/leds-bcm6328.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/leds/leds-bcm6328.c b/drivers/leds/leds-bcm6328.c index bf063fae4ad0..18de0942c795 100644 --- a/drivers/leds/leds-bcm6328.c +++ b/drivers/leds/leds-bcm6328.c @@ -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) { |