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From:   Ondrej Jirman <megous@megous.com>
To:     linux-sunxi@googlegroups.com,
        Thierry Reding <thierry.reding@gmail.com>,
        Sam Ravnborg <sam@ravnborg.org>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        Rob Herring <robh+dt@kernel.org>,
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        Chen-Yu Tsai <wens@csie.org>,
        Linus Walleij <linus.walleij@linaro.org>,
        Icenowy Zheng <icenowy@aosc.io>
Cc:     Ondrej Jirman <megous@megous.com>, dri-devel@lists.freedesktop.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        Samuel Holland <samuel@sholland.org>,
        Martijn Braam <martijn@brixit.nl>, Luca Weiss <luca@z3ntu.xyz>,
        Bhushan Shah <bshah@kde.org>
Subject: [PATCH v4 5/5] arm64: dts: sun50i-a64-pinephone: Add touchscreen support
Date:   Wed, 17 Jun 2020 02:32:09 +0200
Message-Id: <20200617003209.670819-6-megous@megous.com>
In-Reply-To: <20200617003209.670819-1-megous@megous.com>
References: <20200617003209.670819-1-megous@megous.com>
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Sender: linux-kernel-owner@vger.kernel.org
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Pinephone has a Goodix GT917S capacitive touchscreen controller on
I2C0 bus. Add support for it.

Signed-off-by: Ondrej Jirman <megous@megous.com>
---
 .../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 e60b57f8ac14..6b2ff431cddb 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";
+		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";
 
-- 
2.27.0