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i2c: Add driver for Cadence I2C controller

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Add a driver for the Cadence I2C controller. This controller is for
example found in Xilinx Zynq.

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Tested-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Harini Katakam <harinik@xilinx.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Soren Brinkmann
2014-04-04 14:27:55 -07:00
committed by Wolfram Sang
parent 893f067772
commit df8eb5691c
4 changed files with 914 additions and 0 deletions
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1
MAINTAINERS
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@@ -1402,6 +1402,7 @@ F: drivers/cpuidle/cpuidle-zynq.c
N: zynq
N: xilinx
F: drivers/clocksource/cadence_ttc_timer.c
F: drivers/i2c/busses/i2c-cadence.c
F: drivers/mmc/host/sdhci-of-arasan.c
ARM SMMU DRIVER

7
drivers/i2c/busses/Kconfig
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@@ -376,6 +376,13 @@ config I2C_BLACKFIN_TWI_CLK_KHZ
help
The unit of the TWI clock is kHz.
config I2C_CADENCE
tristate "Cadence I2C Controller"
depends on COMMON_CLK
help
Say yes here to select Cadence I2C Host Controller. This controller is
e.g. used by Xilinx Zynq.
config I2C_CBUS_GPIO
tristate "CBUS I2C driver"
depends on GPIOLIB

1
drivers/i2c/busses/Makefile
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@@ -33,6 +33,7 @@ obj-$(CONFIG_I2C_AT91) += i2c-at91.o
obj-$(CONFIG_I2C_AU1550) += i2c-au1550.o
obj-$(CONFIG_I2C_BCM2835) += i2c-bcm2835.o
obj-$(CONFIG_I2C_BLACKFIN_TWI) += i2c-bfin-twi.o
obj-$(CONFIG_I2C_CADENCE) += i2c-cadence.o
obj-$(CONFIG_I2C_CBUS_GPIO) += i2c-cbus-gpio.o
obj-$(CONFIG_I2C_CPM) += i2c-cpm.o
obj-$(CONFIG_I2C_DAVINCI) += i2c-davinci.o

905
drivers/i2c/busses/i2c-cadence.c Normal file
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