zara/zephyr - zephyr - Gitea: Git with a cup of tea

Author	SHA1	Message	Date
Etienne Carriere	79d1803efe	drivers: i2c: stm32: add target mode in RTIO drivers Implement I2C target mode in STM32 I2C RTIO drivers. The implementation in respectively i2c_ll_stm32_v1_rtio.c and i2c_ll_stm32_v2_rtio.c is based on the implementation of the non-RTIO drivers, respectively i2c_ll_stm32_v1.c and i2c_ll_stm32_v2_rtio.c. Signed-off-by: Etienne Carriere <etienne.carriere@st.com>	2 weeks ago
Etienne Carriere	5740dfe77b	drivers: i2c: stm32: fix write burst in RTIO drivers Correct management of I2C write transfers that are driven from 2 I2C messages, one for the transfer of the address to write to and a following message for the transfer of the data to be written. In this case, no START and STOP bit should be triggered between the 2 I2C transfers. In STM32 I2C v1 driver, this simply means not emitting a START condition when the input sequence does not set the RESTART flag. In STM32 I2C v2 driver, this can only be achieved using the SoC I2C controller Reload Mode feature, hence update Reload Mode implementation to use reload mode for both transfers over 255 bytes (splitted in chunks) and for cases where no STOP and START bits are emitted between 2 transfer in the same transaction. Regarding STM32 I2C v2 driver, the reload mode must be enable before the first transaction, known that it's needed due to the following transaction. Therefore we need to parse the messages grouped in the same transaction to detect such sequences (a message without STOP flag followed by a message without RESTART flag) and when so, pass the information to the I2C driver through RTIO framework. To achieve that, let's use a free bit from I2C message flags (bit 7) in the message for which we need to enable SoC ReloadMode from the first transfer. We check that this bit flag is not used by the I2C framework prior using it. Signed-off-by: Etienne Carriere <etienne.carriere@st.com>	2 weeks ago
Etienne Carriere	ba4b9819f5	drivers: i2c: stm32: disable error interrupts for RTIO Add missing disable of I2C error interrupt when disabling I2C interrupts in STM32 v1 and v2 RTIO drivers. Signed-off-by: Etienne Carriere <etienne.carriere@st.com>	3 weeks ago
Etienne Carriere	5065edb417	drivers: i2c: stm32: support more than 256 bytes transfer for RTIO Add support for transfer of more than 256 byte in STM32 v1 and v2 RTIO drivers. Signed-off-by: Etienne Carriere <etienne.carriere@st.com>	3 weeks ago
Guillaume Gautier	e8bd35e305	drivers: i2c: stm32 i2cv2 controller driver using rtio Adds the simplest possible I2Cv2 controller driver for STM32 with the RTIO interface. Currently only interrupt driven transfers are supported. Signed-off-by: Guillaume Gautier <guillaume.gautier-ext@st.com> Co-authored-by: Tom Burdick <thomas.burdick@intel.com>	2 months ago