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Date: Sat, 6 Jan 2024 07:20:59 +0530
From: Anshul Dalal <anshulusr@...il.com>
To: linux-input@...r.kernel.org,
devicetree@...r.kernel.org
Cc: Anshul Dalal <anshulusr@...il.com>,
"Conor Dooley" <conor+dt@...nel.org>,
"Dmitry Torokhov" <dmitry.torokhov@...il.com>,
Thomas Weißschuh <linux@...ssschuh.net>,
linux-kernel@...r.kernel.org,
"Krzysztof Kozlowski" <krzysztof.kozlowski@...aro.org>,
"Conor Dooley" <conor.dooley@...rochip.com>,
"Rob Herring" <robh+dt@...nel.org>,
"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
"Jeff LaBundy" <jeff@...undy.com>,
linux-kernel-mentees@...ts.linuxfoundation.org
Subject: [PATCH v12 1/2] dt-bindings: input: bindings for Adafruit Seesaw Gamepad
Adds bindings for the Adafruit Seesaw Gamepad.
The gamepad functions as an i2c device with the default address of 0x50
and has an IRQ pin that can be enabled in the driver to allow for a rising
edge trigger on each button press or joystick movement.
Product page:
https://www.adafruit.com/product/5743
Arduino driver:
https://github.com/adafruit/Adafruit_Seesaw
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Anshul Dalal <anshulusr@...il.com>
---
Changes for v11,12:
- no updates
Changes for v10:
- Added interrupt-controller/irq.h header
Changes for v9:
- Added interrupt in example
Changes for v8:
- no updates
Changes for v7:
- no updates
Changes for v6:
- no updates
Changes for v5:
- Added link to the datasheet
Changes for v4:
- Fixed the URI for the id field
- Added `interrupts` property
Changes for v3:
- Updated id field to reflect updated file name from previous version
- Added `reg` property
Changes for v2:
- Renamed file to `adafruit,seesaw-gamepad.yaml`
- Removed quotes for `$id` and `$schema`
- Removed "Bindings for" from the description
- Changed node name to the generic name "joystick"
- Changed compatible to 'adafruit,seesaw-gamepad' instead of
'adafruit,seesaw_gamepad'
Previous versions:
v11: https://lore.kernel.org/lkml/20231215031125.284939-1-anshulusr@gmail.com/
v10: https://lore.kernel.org/lkml/20231121123409.2231115-1-anshulusr@gmail.com/
v9: https://lore.kernel.org/lkml/20231121101751.2189965-1-anshulusr@gmail.com/
v8: https://lore.kernel.org/lkml/20231108005337.45069-1-anshulusr@gmail.com/
v7: https://lore.kernel.org/lkml/20231106164134.114668-1-anshulusr@gmail.com/
v6: https://lore.kernel.org/lkml/20231027051819.81333-1-anshulusr@gmail.com/
v5: https://lore.kernel.org/lkml/20231017034356.1436677-1-anshulusr@gmail.com/
v4: https://lore.kernel.org/lkml/20231010184827.1213507-1-anshulusr@gmail.com/
v3: https://lore.kernel.org/linux-input/20231008185709.2448423-1-anshulusr@gmail.com/
v2: https://lore.kernel.org/linux-input/20231008172435.2391009-1-anshulusr@gmail.com/
v1: https://lore.kernel.org/linux-input/20231007144052.1535417-1-anshulusr@gmail.com/
---
.../input/adafruit,seesaw-gamepad.yaml | 63 +++++++++++++++++++
1 file changed, 63 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/adafruit,seesaw-gamepad.yaml
diff --git a/Documentation/devicetree/bindings/input/adafruit,seesaw-gamepad.yaml b/Documentation/devicetree/bindings/input/adafruit,seesaw-gamepad.yaml
new file mode 100644
index 000000000000..5e86f6de6978
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/adafruit,seesaw-gamepad.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/adafruit,seesaw-gamepad.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Adafruit Mini I2C Gamepad with seesaw
+
+maintainers:
+ - Anshul Dalal <anshulusr@...il.com>
+
+description: |
+ Adafruit Mini I2C Gamepad
+
+ +-----------------------------+
+ | ___ |
+ | / \ (X) |
+ | | S | __ __ (Y) (A) |
+ | \___/ |ST| |SE| (B) |
+ | |
+ +-----------------------------+
+
+ S -> 10-bit precision bidirectional analog joystick
+ ST -> Start
+ SE -> Select
+ X, A, B, Y -> Digital action buttons
+
+ Datasheet: https://cdn-learn.adafruit.com/downloads/pdf/gamepad-qt.pdf
+ Product page: https://www.adafruit.com/product/5743
+ Arduino Driver: https://github.com/adafruit/Adafruit_Seesaw
+
+properties:
+ compatible:
+ const: adafruit,seesaw-gamepad
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+ description:
+ The gamepad's IRQ pin triggers a rising edge if interrupts are enabled.
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ joystick@50 {
+ compatible = "adafruit,seesaw-gamepad";
+ interrupts = <18 IRQ_TYPE_EDGE_RISING>;
+ reg = <0x50>;
+ };
+ };
--
2.43.0
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