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11 Commits

Author SHA1 Message Date
Pierre-Yves MORDRET
c599eb4ff6 i2c: stm32f7: fix documentation typo 
Some data structure members were either misspelled or missing.

Fixes: aeb068c572 ("i2c: i2c-stm32f7: add driver")
Fixes: 380b8a85e7 ("i2c: i2c-stm32f7: Add initial SMBus protocols support")
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
 2018-05-17 15:59:02 +02:00
Pierre-Yves MORDRET
562de4ff4c i2c: i2c-stm32f7: Implement I2C release mechanism 
Feature prevents I2C lock-ups. Mechanism resets I2C state machine
and releases SCL/SDA signals but preserves I2C registers.

Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
 2018-04-30 10:39:28 +02:00
Pierre-Yves MORDRET
7ecc8cfde5 i2c: i2c-stm32f7: Add DMA support 
This patch adds DMA support for i2c-stm32f7 driver

Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com>
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
 2018-04-30 10:39:28 +02:00
Pierre-Yves MORDRET
9e48155f6b i2c: i2c-stm32f7: Add initial SMBus protocols support 
This patch adds SMBus support for I2C controller embedded in STM32F7 Soc.
All SMBus protocols are implemented except SMBus-specific protocols like
SMBus Host Notification and SMBus Alert protocols.

Implemented: SMBus Quick command, Send byte, Receive byte, Write byte/word,
read byte/word, Process call, Block write/read and Block write-block read
process call.

Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com>
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
 2018-04-30 10:39:27 +02:00
Pierre-Yves MORDRET
60d609f30d i2c: i2c-stm32f7: Add slave support 
This patch adds slave support for I2C controller embedded in STM32F7 SoC

Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com>
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
 2018-04-30 10:39:27 +02:00
Pierre-Yves MORDRET
8c7ecc9953 i2c: i2c-stm32f7: Add 10-bit address support 
This patch adds support for 10-bit device address for STM32F7 I2C

Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com>
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
 2018-04-30 10:39:27 +02:00
Pierre-Yves MORDRET
771b7bf053 i2c: i2c-stm32f7: fix no check on returned setup 
Before assigning returned setup structure check if not null

Fixes: 463a9215f3 ("i2c: stm32f7: fix setup structure")
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
 2018-03-24 13:37:41 +01:00
Benjamin Gaignard
9c41e45218 i2c: stm32: Fix copyrights 
Uniformize STMicroelectronics copyrights headers and add SPDX
identifier.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Acked-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Acked-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
 2017-12-12 23:16:04 +01:00
Colin Ian King
25f2f44098 i2c: i2c-stm32f7: make structure stm32f7_setup static const 
The structure stm32f7_setup is local to the source and does not need
to be in global scope, make it static const.

Cleans up sparse warning:
symbol 'stm32f7_setup' was not declared. Should it be static?

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
 2017-10-05 14:44:57 +02:00
Pierre-Yves MORDRET
463a9215f3 i2c: stm32f7: fix setup structure 
I2C drive setup structure is not properly allocated.
Make it static instead of pointer to store driver data.

Fixes: aeb068c572 ("i2c: i2c-stm32f7: add driver")
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
 2017-10-05 14:44:49 +02:00
Pierre-Yves MORDRET
aeb068c572 i2c: i2c-stm32f7: add driver 
This patch adds initial support for the STM32F7 I2C controller.

Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com>
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
 2017-09-14 17:34:43 +02:00