| # Copyright (c) 2018 Intel Corporation |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| menuconfig I2C_DW |
| bool "Design Ware I2C support" |
| default y |
| depends on DT_HAS_SNPS_DESIGNWARE_I2C_ENABLED |
| select PINCTRL if $(dt_compat_any_has_prop,$(DT_COMPAT_SNPS_DESIGNWARE_I2C),pinctrl-0) |
| help |
| Enable the Design Ware I2C driver |
| |
| config I2C_DW_CLOCK_SPEED |
| int "Set the clock speed for I2C" |
| depends on I2C_DW |
| default 110 if I2C_RTS5912 |
| default 32 |
| |
| config I2C_DW_LPSS_DMA |
| bool "Use I2C integrated DMA for asynchronous transfer" |
| depends on (I2C_DW && !I2C_RTS5912) |
| select DMA |
| select DMA_INTEL_LPSS |
| help |
| This option enables I2C DMA feature to be used for asynchronous |
| data transfers. All Tx operations are done using dma channel 0 and |
| all Rx operations are done using dma channel 1. |
| |
| config I2C_DW_RW_TIMEOUT_MS |
| int "Set the Read/Write timeout in milliseconds" |
| depends on I2C_DW |
| default 100 |
| |
| config I2C_DW_EXTENDED_SUPPORT |
| bool "Extended DW features" |
| help |
| This option enables support for the SCL/SDA timeout registers and some |
| additional features of the DW I2C controller. |
