The A80 Optimus board has 3 usable LEDs that are controlled via GPIO. This patch adds support for 2 of them which are driver by GPIOs in the main pin controller. The remaining one uses GPIO from the R_PIO controller, which we don't support yet.
Signed-off-by: Chen-Yu Tsai <[email protected]> --- arch/arm/boot/dts/sun9i-a80-optimus.dts | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/arch/arm/boot/dts/sun9i-a80-optimus.dts b/arch/arm/boot/dts/sun9i-a80-optimus.dts index 955436a..87b1355 100644 --- a/arch/arm/boot/dts/sun9i-a80-optimus.dts +++ b/arch/arm/boot/dts/sun9i-a80-optimus.dts @@ -64,6 +64,13 @@ /* Enable internal pull-up */ allwinner,pull = <1>; }; + + led_pins_optimus: led-pins@0 { + allwinner,pins = "PH0", "PH1"; + allwinner,function = "gpio_out"; + allwinner,drive = <0>; + allwinner,pull = <0>; + }; }; uart0: serial@07000000 { @@ -78,4 +85,24 @@ status = "okay"; }; }; + + leds { + compatible = "gpio-leds"; + pinctrl-names = "default"; + pinctrl-0 = <&led_pins_optimus>; + + /* The LED names match those found on the board */ + + led2 { + label = "optimus:led2:usr"; + gpios = <&pio 7 1 0>; + }; + + /* led3 is on PM15, in R_PIO */ + + led4 { + label = "optimus:led4:usr"; + gpios = <&pio 7 0 0>; + }; + }; }; -- 2.1.1 -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
