Thread (39 messages) 39 messages, 12 authors, 2019-08-13

Re: [PATCH 02/11] MIPS: qi_lb60: Migrate to devicetree

From: Paul Burton <hidden>
Date: 2019-07-25 23:47:47
Also in: alsa-devel, dmaengine, dri-devel, linux-devicetree, linux-hwmon, linux-mips, linux-pm, lkml

Hi Paul,

On Thu, Jul 25, 2019 at 06:02:06PM -0400, Paul Cercueil wrote:
Move all the platform data to devicetree.
Nice! :)
The only bit dropped is the PWM beeper, which requires the PWM driver
to be updated. I figured it's okay to remove it here since it's really
a non-critical device, and it'll be re-introduced soon enough.
OK, I can see that being a price worth paying. Though it's possible to
include the binding at least for that in this series I'd be even
happier. Actually I see we already have

  Documentation/devicetree/bindings/pwm/ingenic,jz47xx-pwm.txt

in mainline - what needs to change with it?
+	spi {
+		compatible = "spi-gpio";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		sck-gpios = <&gpc 23 GPIO_ACTIVE_HIGH>;
+		mosi-gpios = <&gpc 22 GPIO_ACTIVE_HIGH>;
+		cs-gpios = <&gpc 21 GPIO_ACTIVE_LOW>;
+		num-chipselects = <1>;
+
+		spi@0 {
+			compatible = "ili8960";
Should this be "ilitek,ili8960"?

Is there a binding & driver for this submitted somewhere? If not then do
we need this at all? It doesn't look like the existing platform data
would actually lead to a driver being loaded so I'm wondering if we can
just drop this until such a driver (or at least a documented DT binding)
exists.

Thanks,
    Paul
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