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authorJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2012-02-05 18:31:00 +0800
committerJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2012-03-15 23:29:39 +0800
commitb71e1b75d6e22bfed94a2a8879d7f7a30b3e3dde (patch)
tree5c018c1d0a04576e3f35795900aa7cfda1b4a7cb /arch
parent3b3f8280399c67c592e973193bf3f36a8cab75a0 (diff)
ARM: at91: usb_a9g20 add DT i2c support
Use i2c-gpio and enable rv3029 RTC. Enable the rtc in the sam9g20 defconfig. Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Rob Herring <rob.herring@calxeda.com> Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/usb_a9g20.dts9
-rw-r--r--arch/arm/configs/at91sam9g20_defconfig3
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/usb_a9g20.dts b/arch/arm/boot/dts/usb_a9g20.dts
index 71d83ef316d..0ea90b5be51 100644
--- a/arch/arm/boot/dts/usb_a9g20.dts
+++ b/arch/arm/boot/dts/usb_a9g20.dts
@@ -97,4 +97,13 @@
gpio-key,wakeup;
};
};
+
+ i2c@0 {
+ status = "okay";
+
+ rv3029c2@56 {
+ compatible = "rv3029c2";
+ reg = <0x56>;
+ };
+ };
};
diff --git a/arch/arm/configs/at91sam9g20_defconfig b/arch/arm/configs/at91sam9g20_defconfig
index 9123568d9a8..994d331b231 100644
--- a/arch/arm/configs/at91sam9g20_defconfig
+++ b/arch/arm/configs/at91sam9g20_defconfig
@@ -74,6 +74,8 @@ CONFIG_LEGACY_PTY_COUNT=16
CONFIG_SERIAL_ATMEL=y
CONFIG_SERIAL_ATMEL_CONSOLE=y
CONFIG_HW_RANDOM=y
+CONFIG_I2C=y
+CONFIG_I2C_GPIO=y
CONFIG_SPI=y
CONFIG_SPI_ATMEL=y
CONFIG_SPI_SPIDEV=y
@@ -105,6 +107,7 @@ CONFIG_LEDS_TRIGGERS=y
CONFIG_LEDS_TRIGGER_TIMER=y
CONFIG_LEDS_TRIGGER_HEARTBEAT=y
CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_RV3029C2=y
CONFIG_RTC_DRV_AT91SAM9=y
CONFIG_EXT2_FS=y
CONFIG_MSDOS_FS=y