Re: [PATCH] pinctrl: at91-pio4: add support for drive-strength property

2018-02-01 Thread Ludovic Desroches
On Mon, Jan 29, 2018 at 01:01:30PM -0600, Rob Herring wrote: > On Mon, Jan 22, 2018 at 09:37:38AM +0100, Linus Walleij wrote: > > On Thu, Jan 18, 2018 at 5:02 PM, Ludovic Desroches > > wrote: > > > > > Add support for the drive-strength property. Usually its

Re: [PATCH] pinctrl: at91-pio4: add support for drive-strength property

2018-02-01 Thread Ludovic Desroches
On Mon, Jan 29, 2018 at 01:01:30PM -0600, Rob Herring wrote: > On Mon, Jan 22, 2018 at 09:37:38AM +0100, Linus Walleij wrote: > > On Thu, Jan 18, 2018 at 5:02 PM, Ludovic Desroches > > wrote: > > > > > Add support for the drive-strength property. Usually its value is > > > expressed in mA. Since

Re: [PATCH] pinctrl: at91-pio4: add support for drive-strength property

2018-01-29 Thread Rob Herring
On Mon, Jan 22, 2018 at 09:37:38AM +0100, Linus Walleij wrote: > On Thu, Jan 18, 2018 at 5:02 PM, Ludovic Desroches > wrote: > > > Add support for the drive-strength property. Usually its value is > > expressed in mA. Since the numeric value depends on VDDIOP

Re: [PATCH] pinctrl: at91-pio4: add support for drive-strength property

2018-01-29 Thread Rob Herring
On Mon, Jan 22, 2018 at 09:37:38AM +0100, Linus Walleij wrote: > On Thu, Jan 18, 2018 at 5:02 PM, Ludovic Desroches > wrote: > > > Add support for the drive-strength property. Usually its value is > > expressed in mA. Since the numeric value depends on VDDIOP voltage, > > the controller uses

Re: [PATCH] pinctrl: at91-pio4: add support for drive-strength property

2018-01-22 Thread Ludovic Desroches
On Mon, Jan 22, 2018 at 09:37:38AM +0100, Linus Walleij wrote: > On Thu, Jan 18, 2018 at 5:02 PM, Ludovic Desroches > wrote: > > > Add support for the drive-strength property. Usually its value is > > expressed in mA. Since the numeric value depends on VDDIOP

Re: [PATCH] pinctrl: at91-pio4: add support for drive-strength property

2018-01-22 Thread Ludovic Desroches
On Mon, Jan 22, 2018 at 09:37:38AM +0100, Linus Walleij wrote: > On Thu, Jan 18, 2018 at 5:02 PM, Ludovic Desroches > wrote: > > > Add support for the drive-strength property. Usually its value is > > expressed in mA. Since the numeric value depends on VDDIOP voltage, > > the controller uses

Re: [PATCH] pinctrl: at91-pio4: add support for drive-strength property

2018-01-22 Thread Linus Walleij
On Thu, Jan 18, 2018 at 5:02 PM, Ludovic Desroches wrote: > Add support for the drive-strength property. Usually its value is > expressed in mA. Since the numeric value depends on VDDIOP voltage, > the controller uses low, medium and high to define the

Re: [PATCH] pinctrl: at91-pio4: add support for drive-strength property

2018-01-22 Thread Linus Walleij
On Thu, Jan 18, 2018 at 5:02 PM, Ludovic Desroches wrote: > Add support for the drive-strength property. Usually its value is > expressed in mA. Since the numeric value depends on VDDIOP voltage, > the controller uses low, medium and high to define the drive-strengh. Aha I see. That's complex.

[PATCH] pinctrl: at91-pio4: add support for drive-strength property

2018-01-18 Thread Ludovic Desroches
Add support for the drive-strength property. Usually its value is expressed in mA. Since the numeric value depends on VDDIOP voltage, the controller uses low, medium and high to define the drive-strengh. The PIO controller accepts two values for the low drive: 0 or 1. Most of the time, we don't

[PATCH] pinctrl: at91-pio4: add support for drive-strength property

2018-01-18 Thread Ludovic Desroches
Add support for the drive-strength property. Usually its value is expressed in mA. Since the numeric value depends on VDDIOP voltage, the controller uses low, medium and high to define the drive-strengh. The PIO controller accepts two values for the low drive: 0 or 1. Most of the time, we don't