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Thu, 18 Apr 2019 01:35:56 -0700 (PDT) From: Jagan Teki To: Maxime Ripard , Chen-Yu Tsai , Rob Herring , Mark Rutland Subject: [PATCH v2 1/2] arm64: dts: allwinner: a64-amarula-relic: Add GT5663 CTP node Date: Thu, 18 Apr 2019 14:05:42 +0530 Message-Id: <20190418083543.11695-1-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190418_013600_587799_D9677BDF X-CRM114-Status: GOOD ( 12.13 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Jagan Teki , Michael Trimarchi , linux-amarula@amarulasolutions.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.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 AVDD28 supply - PH4 gpio as interrupt pin - PH8 gpio as reset pin - X axis is inverted - Y axis is inverted Signed-off-by: Jagan Teki --- Changes for v2: - drop i2c1, bias-pull-up .../allwinner/sun50i-a64-amarula-relic.dts | 25 +++++++++++++++++++ 1 file changed, 25 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 3575db216016..3819ce396073 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts @@ -49,6 +49,24 @@ bias-pull-up; }; +&i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins>; + status = "okay"; + + touchscreen@5d { + compatible = "goodix,gt5663"; + reg = <0x5d>; + AVDD28-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; + }; +}; + &mmc1 { pinctrl-names = "default"; pinctrl-0 = <&mmc1_pins>; @@ -212,6 +230,13 @@ 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel