2018-02-28 18:27:46 +08:00
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#
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# Copyright (c) 2018 Intel Corporation
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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2018-10-19 20:05:26 +08:00
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# This option signifies whether DesignWare I2C compatible HW is
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# available
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config HAS_I2C_DW
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bool
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2018-02-28 18:27:46 +08:00
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menuconfig I2C_DW
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bool "Design Ware I2C support"
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2018-09-27 01:40:29 +08:00
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select HAS_DTS_I2C
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2018-10-19 20:05:26 +08:00
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depends on HAS_I2C_DW
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2018-02-28 18:27:46 +08:00
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help
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2018-10-19 20:05:26 +08:00
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Enable the Design Ware I2C driver
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2018-02-28 18:27:46 +08:00
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if I2C_DW
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config I2C_DW_CLOCK_SPEED
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int "Set the clock speed for I2C"
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default 32
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config I2C_DW_SHARED_IRQ
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bool
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choice
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prompt "I2C_0 Interrupts via"
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default I2C_DW_0_IRQ_DIRECT
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depends on I2C_0
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config I2C_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
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directly.
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config I2C_DW_0_IRQ_SHARED
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bool "Shared IRQ"
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depends on SHARED_IRQ
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select I2C_DW_SHARED_IRQ
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help
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When interrupts fire, the shared IRQ driver is notified.
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Then the shared IRQ driver dispatches the interrupt to other drivers.
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endchoice
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config I2C_DW_0_IRQ_SHARED_NAME
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string "Device name for Shared IRQ"
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depends on I2C_0 && I2C_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
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to register this driver with the shared IRQ driver, so interrupts
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can be dispatched correctly.
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endif # I2C_DW
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