Thread (13 messages) 13 messages, 4 authors, 2023-10-19

Re: [PATCH 1/2] dt-bindings: backlight: add Kinetic KTD2801 binding

From: Daniel Thompson <hidden>
Date: 2023-10-09 09:29:31
Also in: dri-devel, linux-devicetree, linux-leds, lkml

On Fri, Oct 06, 2023 at 03:08:42PM +0200, Duje Mihanović wrote:
On Friday, October 6, 2023 2:30:14 PM CEST Daniel Thompson wrote:
quoted
On Thu, Oct 05, 2023 at 08:49:08PM +0200, Duje Mihanović wrote:
quoted
+  enable-gpios:
+    maxItems: 1
Why "enable"? This is the line we are going to us to bitbang the
ExpressWire protocol. Doesn't that make it a control or data pin?
I named it "enable" because the KTD253 driver does so too, but also because
that pin is also used to power down the IC. If "enable" isn't right
regardless, is just "gpios" fine for this?
KTD2692 implements ExpressWire and calls this signal ctrl-gpios. I'd
suggest copying that prior art for now.


Daniel.
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