| # Kconfig - I2C configuration options |
| |
| # |
| # Copyright (c) 2015 Intel Corporation |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are met: |
| # |
| # 1) Redistributions of source code must retain the above copyright notice, |
| # this list of conditions and the following disclaimer. |
| # |
| # 2) Redistributions in binary form must reproduce the above copyright notice, |
| # this list of conditions and the following disclaimer in the documentation |
| # and/or other materials provided with the distribution. |
| # |
| # 3) Neither the name of Intel Corporation nor the names of its contributors |
| # may be used to endorse or promote products derived from this software without |
| # specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| # POSSIBILITY OF SUCH DAMAGE. |
| # |
| |
| # |
| # I2C options |
| # |
| menuconfig I2C |
| bool |
| prompt "I2C Drivers" |
| default n |
| help |
| Enable I2C Driver Configuration |
| |
| config I2C_DW |
| bool "Design Ware I2C support" |
| depends on I2C |
| default n |
| help |
| Enable Design Ware I2C support on the selected platform |
| |
| choice |
| prompt "IRQ Trigger Condition" |
| default I2C_DW_IRQ_RISING_EDGE |
| depends on I2C_DW |
| |
| config I2C_DW_IRQ_FALLING_EDGE |
| bool "Falling Edge" |
| help |
| This option signifies that the controller |
| uses falling edge interrupt. |
| |
| config I2C_DW_IRQ_RISING_EDGE |
| bool "Rising Edge" |
| help |
| This option signifies that the controller |
| uses rising edge interrupt. |
| |
| config I2C_DW_IRQ_LEVEL_HIGH |
| bool "Level High" |
| help |
| This option signifies that the controller |
| uses level high interrupt. |
| |
| config I2C_DW_IRQ_LEVEL_LOW |
| bool "Level Low" |
| help |
| This option signifies that the controller |
| uses level low interrupt. |
| |
| endchoice |
| |
| config I2C_DW_SHARED_IRQ |
| bool |
| default n |
| depends on I2C_DW |
| |
| config I2C_DW_VENDOR_ID |
| hex "PCI Vendor ID of the controllers" |
| depends on I2C_DW && PCI |
| default 0x8086 |
| |
| config I2C_DW_DEVICE_ID |
| hex "PCI Device ID of the controllers" |
| depends on I2C_DW && PCI |
| default 0x934 |
| |
| config I2C_DW_CLASS |
| hex "PCI device class" |
| depends on I2C_DW && PCI |
| default 0x0C |
| |
| config I2C_DW_0 |
| bool "Enable I2C0" |
| default n |
| depends on I2C_DW |
| |
| config I2C_DW_0_BASE |
| hex "Base address for I2C0" |
| default 0x00000000 |
| depends on I2C_DW_0 |
| |
| 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 |
| int "Controller interrupt" |
| depends on I2C_DW_0 && I2C_DW_0_IRQ_DIRECT |
| default 0 |
| |
| config I2C_DW_0_INT_PRIORITY |
| int "Controller interrupt priority" |
| depends on I2C_DW_0 && I2C_DW_0_IRQ_DIRECT |
| default 0 |
| 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_0_BUS |
| int "PCI Bus number" |
| depends on I2C_DW_0 && PCI |
| default 0 |
| |
| config I2C_DW_0_DEV |
| int "PCI device number" |
| depends on I2C_DW_0 && PCI |
| default 0 |
| |
| config I2C_DW_0_FUNCTION |
| int "PCI function number" |
| depends on I2C_DW_0 && PCI |
| default 0 |
| |
| config I2C_DW_0_BAR |
| int "PCI BAR number" |
| depends on I2C_DW_0 && PCI |
| default 0 |
| |
| config I2C_STATUS_DELAY |
| int "Delay for controller response" |
| depends on I2C |
| default 1000 |
| |
| config I2C_CLOCK_SPEED |
| int "Set the clock speed for I2C" |
| default 32 |
| depends on I2C |
| |
| config I2C_DEBUG |
| bool "Enable I2C debug options" |
| default n |
| depends on I2C |
| help |
| This option enables the debug features for I2C connections |
