Like the Nokia N900, the N950 has leds to show
the state of sys_clkreq and sys_off_mode pins.
A detailed description for the LEDs and
OMAP's sleep states can be found in Tony's
commit for the Nokia N900:
c1be2032f66df9e1238bd5bc4ca666de88a62abc
Signed-off-by: Sebastian Reichel <s...@kernel.org>
---
arch/arm/boot/dts/omap3-n950-n9.dtsi | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/arm/boot/dts/omap3-n950-n9.dtsi
b/arch/arm/boot/dts/omap3-n950-n9.dtsi
index 3c7f1d2deb2f..c42e8fc846b9 100644
--- a/arch/arm/boot/dts/omap3-n950-n9.dtsi
+++ b/arch/arm/boot/dts/omap3-n950-n9.dtsi
@@ -31,9 +31,27 @@
startup-delay-us = <150>;
enable-active-high;
};
+
+ leds {
+ compatible = "gpio-leds";
+
+ heartbeat {
+ label = "debug::sleep";
+ gpios = <&gpio3 28 GPIO_ACTIVE_HIGH>; /* gpio92 */
+ linux,default-trigger = "default-on";
+ pinctrl-names = "default";
+ pinctrl-0 = <&debug_leds>;
+ };
+ };
};
&omap3_pmx_core {
+ debug_leds: pinmux_debug_led_pins {
+ pinctrl-single,pins = <
+ OMAP3_CORE1_IOPAD(0x2108, PIN_OUTPUT | MUX_MODE4)
/* dss_data22.gpio_92 */
+ >;
+ };
+
mmc2_pins: pinmux_mmc2_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x2158, PIN_INPUT_PULLUP | MUX_MODE0)
/* sdmmc2_clk */
--
2.7.0
