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From:   Michael Riesch <michael.riesch@wolfvision.net>
To:     devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Cc:     Rob Herring <robh+dt@kernel.org>, Heiko Stuebner <heiko@sntech.de>,
        Michael Riesch <michael.riesch@wolfvision.net>,
        Liang Chen <cl@rock-chips.com>, sha@pengutronix.de
Subject: [PATCH 2/2] arm64: dts: rockchip: add the touchscreen controller to rk3568-evb1-v10
Date:   Sat, 29 Jan 2022 17:24:40 +0100
Message-Id: <20220129162440.5415-2-michael.riesch@wolfvision.net>
In-Reply-To: <20220129162440.5415-1-michael.riesch@wolfvision.net>
References: <20220129162440.5415-1-michael.riesch@wolfvision.net>
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The Rockchip RK3568 EVB1 comes with a mounted touch display featuring
a Goodix GT1158 touch controller (according to the product ID register).

Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net>
---
 .../boot/dts/rockchip/rk3568-evb1-v10.dts     | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
index 197aaf7ee348..d8c20a23e856 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
@@ -330,6 +330,23 @@ regulator-state-mem {
 	};
 };
 
+&i2c1 {
+	status = "okay";
+
+	touchscreen0: goodix@14 {
+		compatible = "goodix,gt1151";
+		reg = <0x14>;
+		interrupt-parent = <&gpio0>;
+		interrupts = <RK_PB5 IRQ_TYPE_EDGE_FALLING>;
+		AVDD28-supply = <&vcc3v3_lcd0_n>;
+		irq-gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&touch_int &touch_rst>;
+		reset-gpios = <&gpio0 RK_PB6 GPIO_ACTIVE_HIGH>;
+		VDDIO-supply = <&vcc3v3_lcd0_n>;
+	};
+};
+
 &mdio0 {
 	rgmii_phy0: ethernet-phy@0 {
 		compatible = "ethernet-phy-ieee802.3-c22";
@@ -366,6 +383,15 @@ pmic_int: pmic_int {
 				<0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
 		};
 	};
+
+	touchscreen {
+		touch_int: touch_int {
+			rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+		touch_rst: touch_rst {
+			rockchip,pins = <0 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
 };
 
 &pmu_io_domains {
-- 
2.30.2