Re: [PATCH 2/3] gpio: Add a driver for the Raspberry Pi's firmware GPIO calls.

2016-10-06 Thread Linus Walleij
On Sat, Sep 24, 2016 at 9:01 AM, Eric Anholt wrote: > Linus Walleij writes: >> Sorry I am not familiar with your development model. I don't know >> about any RPI downstream tree... What I mean is that the patch to >> include/soc/bcm2835/raspberrypi-firmware.h should be merged by >> whoever is ma

Re: [PATCH 2/3] gpio: Add a driver for the Raspberry Pi's firmware GPIO calls.

2016-09-26 Thread Stephen Warren
On 09/23/2016 07:15 AM, Eric Anholt wrote: Linus Walleij writes: On Mon, Sep 19, 2016 at 6:13 PM, Eric Anholt wrote: This driver will be used for accessing the FXL6408 GPIO exander on the Pi3. We can't drive it directly from Linux because the firmware is continuously polling one of the exp

Re: [PATCH 2/3] gpio: Add a driver for the Raspberry Pi's firmware GPIO calls.

2016-09-24 Thread Eric Anholt
Linus Walleij writes: > On Fri, Sep 23, 2016 at 3:15 PM, Eric Anholt wrote: >> Linus Walleij writes: diff --git a/include/soc/bcm2835/raspberrypi-firmware.h b/include/soc/bcm2835/raspberrypi-firmware.h index 3fb357193f09..671ccd00aea2 100644 --- a/include/soc/bcm2835/raspbe

Re: [PATCH 2/3] gpio: Add a driver for the Raspberry Pi's firmware GPIO calls.

2016-09-23 Thread Stefan Wahren
Hi Eric, > Eric Anholt hat am 19. September 2016 um 18:13 geschrieben: > > > This driver will be used for accessing the FXL6408 GPIO exander on the > Pi3. We can't drive it directly from Linux because the firmware is > continuously polling one of the expander's lines to do its > undervoltage d

Re: [PATCH 2/3] gpio: Add a driver for the Raspberry Pi's firmware GPIO calls.

2016-09-23 Thread Linus Walleij
On Fri, Sep 23, 2016 at 3:15 PM, Eric Anholt wrote: > Linus Walleij writes: >> Maybe it should be named GPIO_RPI_FXL6408 ? >> >> (No strong opinion.) > > See DT binding comment -- I think since this driver has no dependency on > being to the 6408 on the pi3, we shouldn't needlessly bind it to th

Re: [PATCH 2/3] gpio: Add a driver for the Raspberry Pi's firmware GPIO calls.

2016-09-23 Thread Eric Anholt
Linus Walleij writes: > On Mon, Sep 19, 2016 at 6:13 PM, Eric Anholt wrote: > >> This driver will be used for accessing the FXL6408 GPIO exander on the >> Pi3. We can't drive it directly from Linux because the firmware is >> continuously polling one of the expander's lines to do its >> undervol

Re: [PATCH 2/3] gpio: Add a driver for the Raspberry Pi's firmware GPIO calls.

2016-09-23 Thread Linus Walleij
On Mon, Sep 19, 2016 at 6:13 PM, Eric Anholt wrote: > This driver will be used for accessing the FXL6408 GPIO exander on the > Pi3. We can't drive it directly from Linux because the firmware is > continuously polling one of the expander's lines to do its > undervoltage detection. > > Signed-off-

[PATCH 2/3] gpio: Add a driver for the Raspberry Pi's firmware GPIO calls.

2016-09-19 Thread Eric Anholt
This driver will be used for accessing the FXL6408 GPIO exander on the Pi3. We can't drive it directly from Linux because the firmware is continuously polling one of the expander's lines to do its undervoltage detection. Signed-off-by: Eric Anholt --- drivers/gpio/Kconfig