Re: [PATCH v3 0/7] i2c: stm32f7: enhancements and support for stm32mp25

Alain Volmat
2023-12-15T17:05:31Z

Sorry, please ignore this cover-letter, will send a new one following a
typo in the numbering of this one: 0/7 should have been 0/9

On Fri, Dec 15, 2023 at 06:02:10PM +0100, Alain Volmat wrote:
> This series first perform enhancements in the way interrupt are handled
> and cleanup in messages.
> Then it adds support for the stm32mp25 which differs in that
> it only has a single irq line for both event/error and has a
> different handling of the FastModePlus.
> Support is then enabled within the stm32mp25 related device-trees.
>
> Changelog:
> v3: - addition of 2 commits dealing with readl_relaxed(I2C_ISR) in
> isr handler and a second one to use dev_err_probe during probe
> - correction of SOB in commit
>
> v2: - correct st,stm32-i2c.yaml. Use if then else scheme to indicate
> number of interrupts / interrupt-names depending on the
> compatible while keeping the description within the common part
>
> - correct 2 maybe-uninitialized warnings
> * ret in stm32f7_i2c_write_fm_plus_bits
> * irq_error in stm32f7_i2c_probe, move the platform_get_irq
> within the same if block as devm_request_threaded_irq
>
> Alain Volmat (9):
> i2c: stm32f7: use dev_err_probe upon calls of devm_request_irq
> i2c: stm32f7: perform most of irq job in threaded handler
> i2c: stm32f7: simplify status messages in case of errors
> dt-bindings: i2c: document st,stm32mp25-i2c compatible
> i2c: stm32f7: perform I2C_ISR read once at beginning of event isr
> i2c: stm32f7: add support for stm32mp25 soc
> arm64: dts: st: add all 8 i2c nodes on stm32mp251
> arm64: dts: st: add i2c2/i2c8 pins for stm32mp25
> arm64: dts: st: add i2c2 / i2c8 properties on stm32mp257f-ev1
>
> .../devicetree/bindings/i2c/st,stm32-i2c.yaml | 28 ++
> arch/arm64/boot/dts/st/stm32mp25-pinctrl.dtsi | 36 ++
> arch/arm64/boot/dts/st/stm32mp251.dtsi | 96 +++++
> arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 20 +
> drivers/i2c/busses/i2c-stm32f7.c | 342 +++++++++---------
> 5 files changed, 358 insertions(+), 164 deletions(-)
>
> --
> 2.25.1
>