# Kconfig - I2C configuration options # # Copyright (c) 2015 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. # # # 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 2 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_DW_1 bool "Enable I2C1" default n depends on I2C_DW config I2C_DW_1_BASE hex "Base address for I2C1" default 0x00000000 depends on I2C_DW_1 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 int "Controller interrupt" depends on I2C_DW_1 default 0 config I2C_DW_1_INT_PRIORITY int "Controller interrupt priority" depends on I2C_DW_1 default 2 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. 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 config I2C_QUARK_SE_SS bool "Enable I2C Support on Quark SE Sensor Subsystem (SS)" default n depends on PLATFORM_QUARK_SE_ARC depends on I2C help This option enables the driver to support the I2C on Quark SE Sensor Subsystem. config I2C_QUARK_SE_SS_0 bool "Enable Quark SE SS I2C Port 0" depends on I2C_QUARK_SE_SS default n config I2C_QUARK_SE_SS_0_BASE hex "Base address for Quark SE SS I2C Port 0" depends on I2C_QUARK_SE_SS_0 default 0x00000000 config I2C_QUARK_SE_SS_0_NAME string "Select a name for finding the device" depends on I2C_QUARK_SE_SS_0 default "I2C_SS_0" config I2C_QUARK_SE_SS_0_DEFAULT_CFG hex "Default Configuration for Quark SE SS I2C Port 0" depends on I2C_QUARK_SE_SS_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_QUARK_SE_SS_1 bool "Enable Quark SE SS I2C Port 1" depends on I2C_QUARK_SE_SS default n config I2C_QUARK_SE_SS_1_BASE hex "Base address for Quark SE SS I2C Port 1" depends on I2C_QUARK_SE_SS_1 default 0x00000000 config I2C_QUARK_SE_SS_1_NAME string "Select a name for finding the device" depends on I2C_QUARK_SE_SS_1 default "I2C_SS_1" config I2C_QUARK_SE_SS_1_DEFAULT_CFG hex "Default Configuration for Quark SE SS I2C Port 1" depends on I2C_QUARK_SE_SS_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.