linux-kernel - Re: [PATCH v6 13/13] arm64: dts: sun50i-a64-pinephone: Add touchscreen support

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Date:   Wed, 1 Jul 2020 20:57:41 +0200
From:   Ondřej Jirman <megous@...ous.com>
To:     Icenowy Zheng <icenowy@...c.io>
Cc:     linux-sunxi@...glegroups.com,
        Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Guido Günther <agx@...xcpu.org>,
        Purism Kernel Team <kernel@...i.sm>,
        Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Samuel Holland <samuel@...lland.org>,
        Martijn Braam <martijn@...xit.nl>, Luca Weiss <luca@...tu.xyz>,
        Bhushan Shah <bshah@....org>
Subject: Re: [PATCH v6 13/13] arm64: dts: sun50i-a64-pinephone: Add
 touchscreen support

Hi Icenowy,

On Wed, Jul 01, 2020 at 08:01:14PM +0800, Icenowy Zheng wrote:
> 
> 
> 于 2020年7月1日 GMT+08:00 下午6:31:26, Ondrej Jirman <megous@...ous.com> 写到:
> >Pinephone has a Goodix GT917S capacitive touchscreen controller on
> >I2C0 bus. Add support for it.
> >
> >Signed-off-by: Ondrej Jirman <megous@...ous.com>
> >Acked-by: Linus Walleij <linus.walleij@...aro.org>
> >---
> > .../dts/allwinner/sun50i-a64-pinephone.dtsi   | 19 +++++++++++++++++++
> > 1 file changed, 19 insertions(+)
> >
> >diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
> >b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
> >index 85a7aa5efd32..2d5694446d17 100644
> >--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
> >+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
> >@@ -123,6 +123,25 @@ &ehci1 {
> > 	status = "okay";
> > };
> > 
> >+&i2c0 {
> >+	pinctrl-names = "default";
> >+	pinctrl-0 = <&i2c0_pins>;
> >+	status = "okay";
> >+
> >+	touchscreen@5d {
> >+		compatible = "goodix,gt917s", "goodix,gt911";
> 
> Please drop gt911 here. GT917S belong to the GT1x product line, not the same line with GT911.
> 
> You will see this in the driver.

Right. I'll do so in v8.

thnk you and regards,
	o.

> >+		reg = <0x5d>;
> >+		interrupt-parent = <&pio>;
> >+		interrupts = <7 4 IRQ_TYPE_LEVEL_HIGH>; /* PH4 */
> >+		irq-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
> >+		reset-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
> >+		AVDD28-supply = <&reg_ldo_io0>;
> >+		VDDIO-supply = <&reg_ldo_io0>;
> >+		touchscreen-size-x = <720>;
> >+		touchscreen-size-y = <1440>;
> >+	};
> >+};
> >+
> > &i2c1 {
> > 	status = "okay";
> >