| # Kconfig.dw - DesignWare I2C configuration options |
| # |
| # |
| # Copyright (c) 2016 Intel Corporation |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| menuconfig I2C_DW |
| bool "Design Ware I2C support" |
| depends on I2C |
| default n |
| help |
| Enable Design Ware I2C support on the selected platform |
| |
| if I2C_DW |
| |
| config I2C_DW_SHARED_IRQ |
| bool |
| default n |
| depends on I2C_DW |
| |
| config I2C_DW_0 |
| bool "Enable I2C0" |
| default n |
| depends on I2C_DW |
| |
| config I2C_DW_0_NAME |
| string "Select a name for finding the device" |
| depends on I2C_DW_0 |
| default "I2C0" |
| |
| choice |
| prompt "I2C0 Interrupts via" |
| default I2C_DW_0_IRQ_DIRECT |
| depends on I2C_DW_0 |
| |
| config I2C_DW_0_IRQ_DIRECT |
| bool "Direct Hardware Interrupt" |
| help |
| When interrupts fire, the driver's ISR function is being called directly. |
| |
| config I2C_DW_0_IRQ_SHARED |
| bool "Shared IRQ" |
| depends on SHARED_IRQ |
| select I2C_DW_SHARED_IRQ |
| help |
| When interrupts fire, the shared IRQ driver is notified. Then the shared IRQ |
| driver dispatches the interrupt to other drivers. |
| |
| endchoice |
| |
| config I2C_DW_0_IRQ_SHARED_NAME |
| string "Device name for Shared IRQ" |
| depends on I2C_DW_0 && I2C_DW_0_IRQ_SHARED |
| help |
| Specify the device name for the shared IRQ driver. It is used to register |
| this driver with the shared IRQ driver, so interrupts can be dispatched |
| correctly. |
| |
| config I2C_DW_0_IRQ_PRI |
| int "Controller interrupt priority" |
| depends on I2C_DW_0 && I2C_DW_0_IRQ_DIRECT |
| help |
| IRQ priority |
| |
| config I2C_DW_0_DEFAULT_CFG |
| hex "I2C default configuration" |
| depends on I2C_DW_0 |
| default 0x0 |
| help |
| Allows the I2C port to be brought up with a default configuration. |
| This is useful to set if other drivers depend upon using the I2C bus |
| before the application has a chance to custom configure the port. |
| Setting this value does not prohibit the application from customizing |
| the values later. Refer to the I2C datasheet for proper values. |
| |
| config I2C_DW_1 |
| bool "Enable I2C1" |
| default n |
| depends on I2C_DW |
| |
| config I2C_DW_1_NAME |
| string "Select a name for finding the device" |
| depends on I2C_DW_1 |
| default "I2C1" |
| |
| config I2C_DW_1_IRQ_PRI |
| int "Controller interrupt priority" |
| depends on I2C_DW_1 |
| help |
| IRQ priority |
| |
| config I2C_DW_1_DEFAULT_CFG |
| hex "I2C default configuration" |
| depends on I2C_DW_1 |
| default 0x0 |
| help |
| Allows the I2C port to be brought up with a default configuration. |
| This is useful to set if other drivers depend upon using the I2C bus |
| before the application has a chance to custom configure the port. |
| Setting this value does not prohibit the application from customizing |
| the values later. Refer to the I2C datasheet for proper values. |
| |
| endif # I2C_DW |