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authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2013-09-11 13:51:13 +0200
committerSimon Horman <horms+renesas@verge.net.au>2013-10-08 09:25:14 +0900
commit87b73d88723601636646a69445f89c0e498fff71 (patch)
tree16f940b00a2ea2de5cbf80511bb28eaa9be55545
parent734e2ce38c6aa3e88f0a339f001d272196f26dfa (diff)
downloadblackbird-obmc-linux-87b73d88723601636646a69445f89c0e498fff71.tar.gz
blackbird-obmc-linux-87b73d88723601636646a69445f89c0e498fff71.zip
ARM: shmobile: armadillo-reference: Add PWM backlight node to DT
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
-rw-r--r--arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
index 9fcffc175da2..8b2aab5c1d3c 100644
--- a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
+++ b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
@@ -11,6 +11,7 @@
/dts-v1/;
/include/ "r8a7740.dtsi"
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pwm/pwm.h>
/ {
model = "armadillo 800 eva reference";
@@ -49,6 +50,15 @@
gpios = <&pfc 177 GPIO_ACTIVE_HIGH>;
};
};
+
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&tpu 2 33333 PWM_POLARITY_INVERTED>;
+ brightness-levels = <0 1 2 4 8 16 32 64 128 255>;
+ default-brightness-level = <9>;
+ pinctrl-0 = <&backlight_pins>;
+ pinctrl-names = "default";
+ };
};
&i2c0 {
@@ -77,4 +87,13 @@
renesas,groups = "intc_irq10";
renesas,function = "intc";
};
+
+ backlight_pins: backlight {
+ renesas,groups = "tpu0_to2_1";
+ renesas,function = "tpu0";
+ };
+};
+
+&tpu {
+ status = "okay";
};
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