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| author | Husni Faiz <ahamedhusni73@gmail.com> | 2022-09-09 17:49:53 +0530 |
|---|---|---|
| committer | Martin L Roth <gaumless@gmail.com> | 2022-10-03 16:14:25 +0000 |
| commit | b80535a135d5a63fd6c13c6df5eecb778a00e25b (patch) | |
| tree | 648c9e4c7889de342d2e8ce1ed21212a565512f6 /src/console/Kconfig | |
| parent | 22baa3352cc3a92084408671c74bc3767c35ab4c (diff) | |
| download | coreboot-b80535a135d5a63fd6c13c6df5eecb778a00e25b.tar.gz coreboot-b80535a135d5a63fd6c13c6df5eecb778a00e25b.tar.bz2 coreboot-b80535a135d5a63fd6c13c6df5eecb778a00e25b.zip | |
drivers/smbus: initialize SC16IS7XX I2C to UART converter chip
This patch adds the functionality to initialize the sc16is750
i2c to uart converter chip with a 14.7MHz input clock to support
115200 baud rate.
Change-Id: Ib31188b8c0f9b0ce9454da984e630eca9101d145
Signed-off-by: Husni Faiz <ahamedhusni73@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67342
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <inforichland@gmail.com>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Diffstat (limited to 'src/console/Kconfig')
| -rw-r--r-- | src/console/Kconfig | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/console/Kconfig b/src/console/Kconfig index 9b8e9f87c804..c6aec18b090e 100644 --- a/src/console/Kconfig +++ b/src/console/Kconfig @@ -311,14 +311,29 @@ if CONSOLE_I2C_SMBUS config CONSOLE_I2C_SMBUS_SLAVE_ADDRESS hex "I2C slave address of the logging device" + default 0x48 if SC16IS7XX_INIT help I2C address of the device which logs the data. config CONSOLE_I2C_SMBUS_SLAVE_DATA_REGISTER hex "Data register address of the I2C logging device" + default 0x00 if SC16IS7XX_INIT help This an 8-bit data register. +config SC16IS7XX_INIT + bool "Initialize SC16IS7XX I2C to UART converter chip" + help + SC16IS7XX is a slave I2C to UART converter chip. Enabling + this option will initialize the chip. + + The default I2C slave address value 0x48 is the address of + SC16IS7XX I2C to UART converter chip when the A1 and A0 pins + are set to Vcc. + + The default data register address value 0x00 is the data + register address of SC16IS7XX I2C to UART converter chip. + endif # CONSOLE_I2C_SMBUS config CONSOLE_QEMU_DEBUGCON |