Add SMBus for STM32 #66260
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Add SMBus for STM32 #66260
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This PR can actually only be used when zephyrproject-rtos/hal_stm32#189 is done. Without pinctrl-definitions it is kinda hard to use it. |
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area: SMBus
area: Devicetree Binding
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Add includes which are actually required for the compilation in the headers themselves to avoid include dependencies. Signed-off-by: Benedikt Schmidt <[email protected]>
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Extract a helper function for handling an SMB alert, as every SMBus implementation will have to loop through the peripheral address which might have triggered the alert. Signed-off-by: Benedikt Schmidt <[email protected]>
Add a dts binding for STM32 SMBus. Signed-off-by: Benedikt Schmidt <[email protected]>
Implement a SMBus driver for STM32, which reuses the I2C implementation. Signed-off-by: Benedikt Schmidt <[email protected]>
Add SMBus devices to all SoCs which have either a st,stm32-i2c-v1 or st,stm32-i2c-v2. Signed-off-by: Benedikt Schmidt <[email protected]>
Enable SMBus for the smbus_emul test. Signed-off-by: Benedikt Schmidt <[email protected]>
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finikorg
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Dec 12, 2023
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@erwango @ABOSTM @FRASTM It might be great if somebody from ST could take a look at this one? The corresponding pinctrl-changes are available in zephyrproject-rtos/hal_stm32#189. |
erwango
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Dec 12, 2023
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Add a driver for SMBus on STM32 SoCs. The new driver reuses as much as possible from the already existing I2C drivers, as within the STM32 SoCs SMBus is part of the I2C peripheral.