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[2.228.78.71]) by smtp.gmail.com with ESMTPSA id f192sm5832158wmd.12.2018.12.03.02.16.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 03 Dec 2018 02:16:05 -0800 (PST) From: Jagan Teki To: Maxime Ripard , Rob Herring , Chen-Yu Tsai , Dmitry Torokhov , linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Lee Jones , linux-sunxi@googlegroups.com Cc: Jagan Teki Subject: [PATCH 9/9] arm64: dts: allwinner: a64-amarula-relic: Add GT5663 CTP node Date: Mon, 3 Dec 2018 15:45:47 +0530 Message-Id: <20181203101547.16835-9-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20181203101547.16835-1-jagan@amarulasolutions.com> References: <20181203101547.16835-1-jagan@amarulasolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add Goodix GT5663 capacitive touch controller node on Amarula A64-Relic board. The CTP connected to board with, - SDA, SCK from i2c1 - GPIO-LD0 as vcc supply - PH4 gpio as interrupt pin - PH8 gpio as reset pin - X and Y axis are inverted Signed-off-by: Jagan Teki --- .../allwinner/sun50i-a64-amarula-relic.dts | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts index 9ac6d773188b..913fcdff828e 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts @@ -88,6 +88,28 @@ status = "okay"; }; +&i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins>; + status = "okay"; + + touchscreen@5d { + compatible = "goodix,gt5663"; + reg = <0x5d>; + vcc-supply = <®_ldo_io0>; /* VCC-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 8 GPIO_ACTIVE_HIGH>; /* CTP-RST: PH8 */ + touchscreen-inverted-x; + touchscreen-inverted-y; + }; +}; + +&i2c1_pins { + bias-pull-up; +}; + &mmc1 { pinctrl-names = "default"; pinctrl-0 = <&mmc1_pins>; @@ -251,6 +273,13 @@ regulator-name = "vdd-cpus"; }; +®_ldo_io0 { + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-name = "vcc-ctp"; + status = "okay"; +}; + ®_rtc_ldo { regulator-name = "vcc-rtc"; }; -- 2.18.0.321.gffc6fa0e3