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Sun, 9 Jan 2022 06:53:49 -0500 (EST) From: Alistair Francis To: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: dmitry.torokhov@gmail.com, rydberg@bitmath.org, andreas@kemnade.info, linus.walleij@linaro.org, alistair23@gmail.com, robh+dt@kernel.org, =?utf-8?q?Myl=C3=A8ne_Josserand?= , Alistair Francis Subject: [PATCH v5 2/4] dt-bindings: input: Add Cypress TT2100 touchscreen controller Date: Sun, 9 Jan 2022 21:53:29 +1000 Message-Id: <20220109115331.388633-3-alistair@alistair23.me> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220109115331.388633-1-alistair@alistair23.me> References: <20220109115331.388633-1-alistair@alistair23.me> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220109_035355_061534_495B3626 X-CRM114-Status: GOOD ( 12.77 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Mylène Josserand Add the Cypress TrueTouch Generation 5 touchscreen device tree bindings documentation. It can use I2C or SPI bus. This touchscreen can handle some defined zone that are designed and sent as button. To be able to customize the keycode sent, the "linux,code" property in a "button" sub-node can be used. Signed-off-by: Mylène Josserand Signed-off-by: Alistair Francis Reviewed-by: Linus Walleij --- .../input/touchscreen/cypress,tt21000.yaml | 92 +++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/touchscreen/cypress,tt21000.yaml diff --git a/Documentation/devicetree/bindings/input/touchscreen/cypress,tt21000.yaml b/Documentation/devicetree/bindings/input/touchscreen/cypress,tt21000.yaml new file mode 100644 index 000000000000..acd2d9389f8c --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/cypress,tt21000.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/cypress,tt21000.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cypress TT2100 touchscreen controller + +description: The Cypress TT2100 series (also known as "CYTTSP5" after + the marketing name Cypress TrueTouch Standard Product series 5). + +maintainers: + - Alistair Francis + +allOf: + - $ref: touchscreen.yaml# + +properties: + compatible: + const: cypress,tt21000 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + vdd-supply: + description: Regulator for voltage. + + reset-gpios: + maxItems: 1 + + linux,code: + $ref: /schemas/types.yaml#/definitions/uint32 + description: EV_ABS specific event code generated by the axis. + +patternProperties: + "^button-[0-9]+$": + type: object + properties: + linux,code: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Keycode to emit + + required: + - linux,code + + additionalProperties: false + +required: + - compatible + - reg + - interrupts + - vdd-supply + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + touchscreen@24 { + compatible = "cypress,tt21000"; + reg = <0x24>; + pinctrl-names = "default"; + pinctrl-0 = <&tp_reset_ds203>; + interrupt-parent = <&pio>; + interrupts = <1 5 IRQ_TYPE_LEVEL_LOW>; + reset-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; + vdd-supply = <®_touch>; + + button-0 { + linux,code = ; + }; + + button-1 { + linux,code = ; + }; + + button-2 { + linux,code = ; + }; + }; + }; +...