i2c:aspeed:support ast2600 i2c new register mode driver
Add i2c new register mode driver to support AST2600 i2c
new register mode. AST2600 i2c controller have legacy and
new register mode. The new register mode have global register
support 4 base clock for scl clock selection, and new clock
divider mode.
Signed-off-by: Ryan Chen <ryan_chen@aspeedtech.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index 427074b..3279fef 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -221,6 +221,16 @@
controller is used in various SoCs, e.g. the ST SPEAr, Altera
SoCFPGA, Synopsys ARC700 and some Intel x86 SoCs.
+config SYS_I2C_AST2600
+ bool "AST2600 I2C Controller"
+ depends on DM_I2C && ARCH_ASPEED
+ help
+ Say yes here to select AST2600 I2C Host Controller. The driver
+ support AST2600 I2C new mode register. This I2C controller supports:
+ _Standard-mode (up to 100 kHz)
+ _Fast-mode (up to 400 kHz)
+ _Fast-mode Plus (up to 1 MHz)
+
config SYS_I2C_ASPEED
bool "Aspeed I2C Controller"
depends on DM_I2C && ARCH_ASPEED