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From: michael.srba@seznam.cz
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>,
	Henrik Rydberg <rydberg@bitmath.org>,
	Sam Ravnborg <sam@ravnborg.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	Stephan Gerhold <stephan@gerhold.net>,
	Paul Burton <paulburton@kernel.org>,
	Heiko Stuebner <heiko.stuebner@theobroma-systems.com>,
	Lubomir Rintel <lkundrak@v3.sk>,
	Kamlesh Gurudasani <kamlesh.gurudasani@gmail.com>,
	Mark Brown <broonie@kernel.org>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	linux-input@vger.kernel.org, devicetree@vger.kernel.org,
	~postmarketos/upstreaming@lists.sr.ht,
	Michael Srba <Michael.Srba@seznam.cz>,
	Rob Herring <robh@kernel.org>
Subject: [PATCH v4 2/2] dt-bindings: input/touchscreen: add bindings for zinitix
Date: Fri, 25 Sep 2020 21:22:04 +0200	[thread overview]
Message-ID: <20200925192204.12631-2-michael.srba@seznam.cz> (raw)
In-Reply-To: <20200925192204.12631-1-michael.srba@seznam.cz>

From: Michael Srba <Michael.Srba@seznam.cz>

This patch adds dts bindings for the zinitix bt541 touchscreen.

Signed-off-by: Michael Srba <Michael.Srba@seznam.cz>
Reviewed-by: Rob Herring <robh@kernel.org>
---
 changes in v2: none
 changes in v3: document zinitix,mode property
 changes in v4: none


 .../bindings/input/touchscreen/zinitix.txt    | 40 +++++++++++++++++++
 .../devicetree/bindings/vendor-prefixes.yaml  |  2 +
 2 files changed, 42 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/touchscreen/zinitix.txt

diff --git a/Documentation/devicetree/bindings/input/touchscreen/zinitix.txt b/Documentation/devicetree/bindings/input/touchscreen/zinitix.txt
new file mode 100644
index 000000000000..446efb9f5f55
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/zinitix.txt
@@ -0,0 +1,40 @@
+Device tree bindings for Zinitx BT541 touchscreen controller
+
+Required properties:
+
+ - compatible		: Should be "zinitix,bt541"
+ - reg			: I2C address of the chip. Should be 0x20
+ - interrupts		: Interrupt to which the chip is connected
+
+Optional properties:
+
+ - vdd-supply		: Analog power supply regulator on VCCA pin
+ - vddo-supply		: Digital power supply regulator on VDD pin
+ - zinitix,mode		: Mode of reporting touch points. Some modes may not work
+			  with a particular ts firmware for unknown reasons. Available
+			  modes are 1 and 2. Mode 2 is the default and preferred.
+
+The touchscreen-* properties are documented in touchscreen.txt in this
+directory.
+
+Example:
+
+	i2c@00000000 {
+		/* ... */
+
+		bt541@20 {
+			compatible = "zinitix,bt541";
+			reg = <0x20>;
+			interrupt-parent = <&msmgpio>;
+			interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&tsp_default>;
+			vdd-supply = <&reg_vdd_tsp>;
+			vddo-supply = <&pm8916_l6>;
+			touchscreen-size-x = <540>;
+			touchscreen-size-y = <960>;
+			zinitix,mode = <2>;
+		};
+
+		/* ... */
+	};
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 967e78c5ec0a..1b0b5e23267d 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -1066,6 +1066,8 @@ patternProperties:
     description: Shenzhen Zidoo Technology Co., Ltd.
   "^zii,.*":
     description: Zodiac Inflight Innovations
+  "^zinitix,.*":
+    description: Zinitix Co., Ltd
   "^zte,.*":
     description: ZTE Corp.
   "^zyxel,.*":
-- 
2.24.0

      reply	other threads:[~2020-09-25 20:48 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-25 19:22 [PATCH v4 1/2] Input: add zinitix touchscreen driver michael.srba
2020-09-25 19:22 ` michael.srba [this message]

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