| From | Linus Walleij <> | Date | Thu, 29 Feb 2024 10:44:33 +0100 | Subject | Re: [PATCH v2 00/30] Rework Nomadik GPIO to add Mobileye EyeQ5 support |
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On Wed, Feb 28, 2024 at 12:28 PM Théo Lebrun <theo.lebrun@bootlin.com> wrote:
> This patch series reworks the Nomadik GPIO driver to bring it up to date > to current kernel standards. We then add Mobileye EyeQ5 support that > uses the same IP block but with limited functionality. We also add > features required by our newly supported platform: > > - Dynamic GPIO ID allocation; > - Make clock optional; > - Shared IRQ (usecase: EyeQ5 has two banks using the same IRQ); > - Handle variadic GPIO counts (usecase: EyeQ5 has <32 GPIOs per bank); > - Grab optional reset at probe (usecase: EyeQ5 has a shared GPIO reset). > > This GPIO platform driver was previously declared & registered inside > drivers/pinctrl/nomadik/pinctrl-nomadik.c, side-by-side with the > pinctrl driver. Both are tightly integrated, mostly for muxing reasons. > Now that gpio-nomadik is used for another platform, we loosen the > relationship. The behavior should not change on already supported > hardware but I do not have Nomadik hardware to test for that.
I have queued the relevant patches to an immutable branch in the pinctrl tree for testing and I can also pick up some ACKs if they arrive.
When I'm confident in the branch, I will send an optional pull request to Bartosz for it!
Yours, Linus Walleij
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