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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>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2012-02-05 18:31:00 +08:00
parent 3b3f828039
commit b71e1b75d6
2 changed files with 12 additions and 0 deletions
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9
arch/arm/boot/dts/usb_a9g20.dts
View File

@ -97,4 +97,13 @@
gpio-key,wakeup;
};
};
i2c@0 {
status = "okay";
rv3029c2@56 {
compatible = "rv3029c2";
reg = <0x56>;
};
};
};

3
arch/arm/configs/at91sam9g20_defconfig
View File

@ -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