Re: [PATCH v3 0/3] i2c: designware: select gpio/default pin when prepare/unprepare recovery

From: Jisheng Zhang
Date: Sun Sep 16 2018 - 23:35:09 EST


+ DT maintainers

On Mon, 17 Sep 2018 11:26:33 +0800
Jisheng Zhang <Jisheng.Zhang@xxxxxxxxxxxxx> wrote:

> On some platforms, the sda/scl pins are muxed with gpio functions, so
> they could be used for recovery. Select the gpio/default pin function
> when prepare/unprepare recovery.
>
> patch1 adds the missing scl-gpios, sda-gpios properties binding doc.
> patch2 adds the pintrl property for i2c bus recovery.
> patch3 selects gpio/default pin when prepare/unprepare recovery.
>
> Since v2:
> - add missing property dt-binding
>
> Since v1:
> - use IS_ERR_OR_NULL
>
> Jisheng Zhang (3):
> dt-bindings: i2c: designware: add optional gpio recovery properties
> dt-bindings: i2c: designware: add optional pinctrl for bus recovery
> i2c: designware: select gpio/default pin when prepare/unprepare
> recovery
>
> .../bindings/i2c/i2c-designware.txt | 12 ++++++++++
> drivers/i2c/busses/i2c-designware-core.h | 3 +++
> drivers/i2c/busses/i2c-designware-master.c | 22 +++++++++++++++++++
> 3 files changed, 37 insertions(+)
>