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b5bf5a53d1
Currently there is no way for a board model's Kconfig stanza to say "I have an i2c bus which the user can plug an i2c device into, build all the free-standing i2c devices". The Kconfig mechanism for this is the "device group". Add an I2C_DEVICES group along the same lines as the existing PCI_DEVICES. Simple free-standing i2c devices which a user might plausibly want to be able to plug in on the QEMU commandline should have default y if I2C_DEVICES and board models which have an i2c bus that is user-accessible should use imply I2C_DEVICES to cause those pluggable devices to be built. In this commit we mark only a fairly conservative set of i2c devices as belonging to the I2C_DEVICES group: the simple sensors and RTCs (not including PMBus devices or devices which need GPIO lines to be connected). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Hao Wu <wuhaotsh@google.com> Message-id: 20220208155911.3408455-2-peter.maydell@linaro.org
44 lines
538 B
Plaintext
44 lines
538 B
Plaintext
config I2C
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bool
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config I2C_DEVICES
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# Device group for i2c devices which can reasonably be user-plugged
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# to any board's i2c bus
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bool
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config SMBUS
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bool
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select I2C
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config SMBUS_EEPROM
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bool
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select SMBUS
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config VERSATILE_I2C
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bool
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select BITBANG_I2C
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config ACPI_SMBUS
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bool
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select SMBUS
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config BITBANG_I2C
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bool
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select I2C
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config IMX_I2C
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bool
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select I2C
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config MPC_I2C
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bool
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select I2C
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config PCA954X
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bool
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select I2C
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config PMBUS
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bool
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select SMBUS
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