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authorNobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>2013-09-27 16:58:30 +0900
committerHeiko Schocher <hs@denx.de>2013-10-17 07:20:25 +0200
commit1086bfa9f49127e40a92b1225af1ed5e41f8fa1c (patch)
treeaa5b74f8eb12b1f2b8c037dc4857eb05eee80481 /README
parente66587495d75ad82c34e9f04af03d3c5741644d3 (diff)
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i2c: Add support for Renesas rcar
This supports i2c controller for Renesas rcar. Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Diffstat (limited to 'README')
-rw-r--r--README14
1 files changed, 14 insertions, 0 deletions
diff --git a/README b/README
index 7dc4f23..e209c89 100644
--- a/README
+++ b/README
@@ -2014,6 +2014,20 @@ CBFS (Coreboot Filesystem) support
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