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-rw-r--r--README31
1 files changed, 28 insertions, 3 deletions
diff --git a/README b/README
index 09662a4..f0eedbb 100644
--- a/README
+++ b/README
@@ -1994,15 +1994,40 @@ CBFS (Coreboot Filesystem) support
second bus.
- drivers/i2c/tegra_i2c.c:
- - activate this driver with CONFIG_SYS_I2C_TEGRA
- - This driver adds 4 i2c buses with a fix speed from
- 100000 and the slave addr 0!
+ - activate this driver with CONFIG_SYS_I2C_TEGRA
+ - This driver adds 4 i2c buses with a fix speed from
+ 100000 and the slave addr 0!
- drivers/i2c/ppc4xx_i2c.c
- activate this driver with CONFIG_SYS_I2C_PPC4XX
- CONFIG_SYS_I2C_PPC4XX_CH0 activate hardware channel 0
- CONFIG_SYS_I2C_PPC4XX_CH1 activate hardware channel 1
+ - drivers/i2c/i2c_mxc.c
+ - activate this driver with CONFIG_SYS_I2C_MXC
+ - define speed for bus 1 with CONFIG_SYS_MXC_I2C1_SPEED
+ - define slave for bus 1 with CONFIG_SYS_MXC_I2C1_SLAVE
+ - define speed for bus 2 with CONFIG_SYS_MXC_I2C2_SPEED
+ - define slave for bus 2 with CONFIG_SYS_MXC_I2C2_SLAVE
+ - define speed for bus 3 with CONFIG_SYS_MXC_I2C3_SPEED
+ - define slave for bus 3 with CONFIG_SYS_MXC_I2C3_SLAVE
+ If thoses defines are not set, default value is 100000
+ for speed, and 0 for slave.
+
+ - drivers/i2c/rcar_i2c.c:
+ - activate this driver with CONFIG_SYS_I2C_RCAR
+ - This driver adds 4 i2c buses
+
+ - CONFIG_SYS_RCAR_I2C0_BASE for setting the register channel 0
+ - CONFIG_SYS_RCAR_I2C0_SPEED for for the speed channel 0
+ - CONFIG_SYS_RCAR_I2C1_BASE for setting the register channel 1
+ - CONFIG_SYS_RCAR_I2C1_SPEED for for the speed channel 1
+ - CONFIG_SYS_RCAR_I2C2_BASE for setting the register channel 2
+ - CONFIG_SYS_RCAR_I2C2_SPEED for for the speed channel 2
+ - CONFIG_SYS_RCAR_I2C3_BASE for setting the register channel 3
+ - CONFIG_SYS_RCAR_I2C3_SPEED for for the speed channel 3
+ - CONFIF_SYS_RCAR_I2C_NUM_CONTROLLERS for number of i2c buses
+
additional defines:
CONFIG_SYS_NUM_I2C_BUSES