[PATCH 24/33] ARM: shmobile: armadillo-reference dts: enable RTC
Simon Horman
horms+renesas at verge.net.au
Tue Apr 22 18:25:52 PDT 2014
From: Ulrich Hecht <ulrich.hecht at gmail.com>
This enables the Seiko real-time clock that is attached to a couple of
GPIO pins.
Signed-off-by: Ulrich Hecht <ulrich.hecht at gmail.com>
Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
---
.../arm/boot/dts/r8a7740-armadillo800eva-reference.dts | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
index 97342a4..0cb235a 100644
--- a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
+++ b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
@@ -118,6 +118,16 @@
};
};
+ i2c2: i2c at 2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "i2c-gpio";
+ gpios = <&pfc 208 GPIO_ACTIVE_HIGH /* sda */
+ &pfc 91 GPIO_ACTIVE_HIGH /* scl */
+ >;
+ i2c-gpio,delay-us = <5>;
+ };
+
backlight {
compatible = "pwm-backlight";
pwms = <&tpu 2 33333 PWM_POLARITY_INVERTED>;
@@ -167,6 +177,14 @@
};
};
+&i2c2 {
+ status = "okay";
+ rtc at 30 {
+ compatible = "seiko,s35390a";
+ reg = <0x30>;
+ };
+};
+
&pfc {
pinctrl-0 = <&scifa1_pins>;
pinctrl-names = "default";
--
1.8.5.2
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