On Wed, Oct 09, 2019 at 04:01:47PM +0200, Alexandre Belloni wrote: > > On 09/10/2019 15:55:00+0200, Ludovic Desroches wrote: > > On Wed, Oct 02, 2019 at 04:46:56PM +0200, Kamel Bouhara wrote: > > > External E-Mail > > > > > > > > > Implement i2c bus recovery when slaves devices might hold SDA low. > > > In this case re-assign SCL/SDA to gpios and issue 9 dummy clock pulses > > > until the slave release SDA. > > > > > > > Hi Kamel, > > > > Thanks for adding this new feature. As I see patches only for sama5d3 and > > sama5d4, I assume it has not been tested with a sama5d2, isn't it? > > > > I there a point having it on sama5d2 as the controller already supports > this feature? > Right, I was focused on pinctrl and forget we have this feature supported by the IP. > > I doubt it works with a sama5d2 because of the pinctrl. I also wonder if it can > > work if we add .strict = true to pinmux_ops which is something plan for the > > future... > > > > I don't see why it wouldn't work with strict as this is switching muxing > properly instead of using the pins for two functions at the same time. > Not sure devm_gpiod_get won't fail with strict. Ludovic
