2016-03-18 02:05:05 +08:00
|
|
|
# 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.
|
|
|
|
|
|
2016-03-29 05:58:58 +08:00
|
|
|
config I2C_DW_0_IRQ_PRI
|
2016-03-18 02:05:05 +08:00
|
|
|
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"
|
|
|
|
|
|
2016-03-29 05:58:58 +08:00
|
|
|
config I2C_DW_1_IRQ_PRI
|
2016-03-18 02:05:05 +08:00
|
|
|
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
|
