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From: Vincent Knecht <vincent.knecht@mailoo.org>
To: phone-devel@vger.kernel.org
Cc: ~postmarketos/upstreaming@lists.sr.ht,
	Stephan Gerhold <stephan@gerhold.net>,
	Vincent Knecht <vincent.knecht@mailoo.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Rob Herring <robh+dt@kernel.org>,
	Henrik Rydberg <rydberg@bitmath.org>,
	Michael Srba <Michael.Srba@seznam.cz>,
	linux-input@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH v6 1/2] dt-bindings: input/touchscreen: add bindings for msg2638
Date: Fri,  5 Mar 2021 16:38:04 +0100
Message-ID: <20210305153815.126937-1-vincent.knecht@mailoo.org> (raw)

This adds dts bindings for the mstar msg2638 touchscreen.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Vincent Knecht <vincent.knecht@mailoo.org>
---
Changed in v6:
- change touchscreen-size-x/y values in example section to reflect
  scaling removal in driver (Dmitry)
- add Linus W. Reviewed-by
Changed in v5: nothing
Changed in v4:
- don't use wildcards in compatible strings (Rob H)
- rename from msg26xx to msg2638
- rename example pinctrl-0 to &ts_int_reset_default for consistency
Changed in v3:
- added `touchscreen-size-x: true` and `touchscreen-size-y: true` properties
Changed in v2:
- changed M-Star to MStar in title line
- changed reset gpio to active-low in example section
---
 .../input/touchscreen/mstar,msg2638.yaml      | 69 +++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/touchscreen/mstar,msg2638.yaml

diff --git a/Documentation/devicetree/bindings/input/touchscreen/mstar,msg2638.yaml b/Documentation/devicetree/bindings/input/touchscreen/mstar,msg2638.yaml
new file mode 100644
index 000000000000..3a42c23faf6f
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/mstar,msg2638.yaml
@@ -0,0 +1,69 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/touchscreen/mstar,msg2638.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MStar msg2638 touchscreen controller Bindings
+
+maintainers:
+  - Vincent Knecht <vincent.knecht@mailoo.org>
+
+allOf:
+  - $ref: touchscreen.yaml#
+
+properties:
+  compatible:
+    const: mstar,msg2638
+
+  reg:
+    const: 0x26
+
+  interrupts:
+    maxItems: 1
+
+  reset-gpios:
+    maxItems: 1
+
+  vdd-supply:
+    description: Power supply regulator for the chip
+
+  vddio-supply:
+    description: Power supply regulator for the I2C bus
+
+  touchscreen-size-x: true
+  touchscreen-size-y: true
+
+additionalProperties: false
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - reset-gpios
+  - touchscreen-size-x
+  - touchscreen-size-y
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      touchscreen@26 {
+        compatible = "mstar,msg2638";
+        reg = <0x26>;
+        interrupt-parent = <&msmgpio>;
+        interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
+        reset-gpios = <&msmgpio 100 GPIO_ACTIVE_LOW>;
+        pinctrl-names = "default";
+        pinctrl-0 = <&ts_int_reset_default>;
+        vdd-supply = <&pm8916_l17>;
+        vddio-supply = <&pm8916_l5>;
+        touchscreen-size-x = <2048>;
+        touchscreen-size-y = <2048>;
+      };
+    };
+
+...
-- 
2.29.2




             reply index

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-05 15:38 Vincent Knecht [this message]
2021-03-05 15:38 ` [PATCH v6 2/2] Input: add MStar MSG2638 touchscreen driver Vincent Knecht
2021-03-10 23:18   ` Linus Walleij
2021-04-07 21:47   ` Vincent Knecht
2021-04-09 22:17   ` Dmitry Torokhov
2021-03-08 22:18 ` [PATCH v6 1/2] dt-bindings: input/touchscreen: add bindings for msg2638 Rob Herring

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