From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jagan Teki Subject: [PATCH 2/2] arm64: dts: allwinner: a64-oceanic-5205-5inmfd: Enable GT911 CTP Date: Mon, 8 Apr 2019 11:24:15 +0530 Message-ID: <20190408055415.1374-2-jagan@amarulasolutions.com> References: <20190408055415.1374-1-jagan@amarulasolutions.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190408055415.1374-1-jagan@amarulasolutions.com> Sender: linux-kernel-owner@vger.kernel.org To: Maxime Ripard , Chen-Yu Tsai , Rob Herring , Mark Rutland Cc: Michael Trimarchi , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-amarula@amarulasolutions.com, Jagan Teki List-Id: devicetree@vger.kernel.org Goodix GT911 CTP is bound with Oceanic 5205 5inMFD board. The CTP connected to board with, - SDA, SCK from i2c0 - GPIO-LD0 as AVDD28 supply - PH4 gpio as interrupt pin - PH11 gpio as reset pin - X axis is inverted - Y axis is inverted Signed-off-by: Jagan Teki --- .../sun50i-a64-oceanic-5205-5inmfd.dts | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts index 6a2154525d1e..5b0631929a6c 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts @@ -37,6 +37,28 @@ status = "okay"; }; +&i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins>; + status = "okay"; + + touchscreen@5d { + compatible = "goodix,gt911"; + reg = <0x5d>; + AVDD28-supply = <®_ldo_io0>; /* VDD_CTP: GPIO0-LDO */ + interrupt-parent = <&pio>; + interrupts = <7 4 IRQ_TYPE_EDGE_FALLING>; + irq-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* CTP-INT: PH4 */ + reset-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* CTP-RST: PH11 */ + touchscreen-inverted-x; + touchscreen-inverted-y; + }; +}; + +&i2c0_pins { + bias-pull-up; +}; + &mdio { ext_rgmii_phy: ethernet-phy@1 { compatible = "ethernet-phy-ieee802.3-c22"; -- 2.18.0.321.gffc6fa0e3