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 <[email protected]> --- drivers/leds/leds-bcm6328.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/leds/leds-bcm6328.c b/drivers/leds/leds-bcm6328.c index 4de8a85..898a804 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) { -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
