166 lines
4.0 KiB
Plaintext
166 lines
4.0 KiB
Plaintext
# Kconfig.dw - DesignWare GPIO configuration options
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#
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#
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# Copyright (c) 2016 Intel Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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menuconfig GPIO_DW
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prompt "Designware GPIO"
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default n
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depends on GPIO
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bool
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help
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Enable driver for Designware GPIO
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if GPIO_DW
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config GPIO_DW_BOTHEDGES_SUPPORT
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bool
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prompt "Interrupt on Both Edges"
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default y
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depends on GPIO_DW && !ARC
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help
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This option is enabled by platforms that
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supports the interrupt-both-edges feature.
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This feature allows the GPIO hardware to
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trigger and interrupt on both, falling and
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rising, edges of an input.
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config GPIO_DW_SHARED_IRQ
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bool
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default n
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depends on GPIO_DW
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config GPIO_DW_INIT_PRIORITY
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int
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default 60
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depends on GPIO_DW
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prompt "Init priority"
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help
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Device driver initialization priority.
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config GPIO_DW_CLOCK_GATE
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bool "Enable glock gating"
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depends on GPIO_DW
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select CLOCK_CONTROL
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default n
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config GPIO_DW_CLOCK_GATE_DRV_NAME
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string
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depends on GPIO_DW_CLOCK_GATE
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default ""
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config GPIO_DW_0
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bool "Designware GPIO block 0"
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depends on GPIO_DW
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default n
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help
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Include Designware GPIO driver
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config GPIO_DW_0_NAME
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string "Driver name"
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depends on GPIO_DW_0
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default "GPIO_0"
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config GPIO_DW_0_CLOCK_GATE_SUBSYS
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int "Clock controller's subsystem"
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depends on GPIO_DW_CLOCK_GATE && GPIO_DW_0
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choice
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prompt "Port 0 Interrupts via"
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default GPIO_DW_0_IRQ_DIRECT
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depends on GPIO_DW_0
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config GPIO_DW_0_IRQ_DIRECT
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bool "Direct Hardware Interrupt"
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help
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When interrupts fire, the driver's ISR function is being called directly.
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config GPIO_DW_0_IRQ_SHARED
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bool "Shared IRQ"
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depends on SHARED_IRQ
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select GPIO_DW_SHARED_IRQ
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help
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When interrupts fire, the shared IRQ driver is notified. Then the shared IRQ
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driver dispatches the interrupt to other drivers.
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endchoice
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config GPIO_DW_0_IRQ_SHARED_NAME
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string "Device name for Shared IRQ"
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depends on GPIO_DW_0 && GPIO_DW_0_IRQ_SHARED
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help
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Specify the device name for the shared IRQ driver. It is used to register
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this driver with the shared IRQ driver, so interrupts can be dispatched
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correctly.
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config GPIO_DW_0_PRI
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int "Controller interrupt priority"
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depends on GPIO_DW_0 && GPIO_DW_0_IRQ_DIRECT
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help
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IRQ priority
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config GPIO_DW_1
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bool "Designware GPIO block 1"
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depends on GPIO_DW
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default n
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help
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Include Designware GPIO driver
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config GPIO_DW_1_NAME
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string "Driver name"
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depends on GPIO_DW_1
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default "GPIO_1"
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config GPIO_DW_1_CLOCK_GATE_SUBSYS
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int "Clock controller's subsystem"
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depends on GPIO_DW_CLOCK_GATE && GPIO_DW_1
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choice
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prompt "Port 1 Interrupts via"
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default GPIO_DW_1_IRQ_DIRECT
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depends on GPIO_DW_1
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config GPIO_DW_1_IRQ_DIRECT
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bool "Direct Hardware Interrupt"
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help
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When interrupts fire, the driver's ISR function is being called directly.
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config GPIO_DW_1_IRQ_SHARED
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bool "Shared IRQ"
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depends on SHARED_IRQ
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select GPIO_DW_SHARED_IRQ
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help
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When interrupts fire, the shared IRQ driver is notified. Then the shared IRQ
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driver dispatches the interrupt to other drivers.
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endchoice
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config GPIO_DW_1_IRQ_SHARED_NAME
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string "Device name for Shared IRQ"
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depends on GPIO_DW_1_IRQ_SHARED
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help
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Specify the device name for the shared IRQ driver. It is used to register
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this driver with the shared IRQ driver, so interrupts can be dispatched
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correctly.
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config GPIO_DW_1_PRI
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int "Controller interrupt priority"
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depends on GPIO_DW_1 && GPIO_DW_1_IRQ_DIRECT
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help
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IRQ priority
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endif # GPIO_DW
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