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Thu, 15 Jun 2023 03:27:09 -0700 (PDT) From: Neil Armstrong Date: Thu, 15 Jun 2023 12:27:00 +0200 Subject: [PATCH v2 1/4] dt-bindings: input: document Goodix Berlin Touchscreen IC MIME-Version: 1.0 Message-Id: <20230606-topic-goodix-berlin-upstream-initial-v2-1-26bc8fe1e90e@linaro.org> References: <20230606-topic-goodix-berlin-upstream-initial-v2-0-26bc8fe1e90e@linaro.org> In-Reply-To: <20230606-topic-goodix-berlin-upstream-initial-v2-0-26bc8fe1e90e@linaro.org> To: Dmitry Torokhov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bastien Nocera , Hans de Goede , Henrik Rydberg Cc: linux-input@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=3049; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=pJJwmz5Q68XC8REHCc8ClhlwPyfSMUQlDbNdC2eJDX8=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBkiud6/CrkxC8xi4+BzQHlOhRQnGpyGT8hJ7TCeYjP 047zQw2JAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCZIrnegAKCRB33NvayMhJ0eNZEA CWflo7h8IIShUJsDgPRGAttJj691dePcGcV/Ges3E1uGEYf4G4Bl5MRPqCSfToAU03fGYQQJxn82Xg PtEDoeQK0pnle99FA7Wq1aUia2qWV2pflK37i2cs8cyVBe7PUOtD6P8a3TBN99TCmkGoMZjX+428du wvUPOM4pk2bOL1m0EXJpgT56GTczO2yVk16l7xFAF+3lMFVo+gEJksy7xPSfqltigHozXyEgqxwcCY cvwmOCdlUwlwWjIU3k5rE+A4cadpr9pzPD3JghHNtP0q62IBsD5UHwv8e21xL0/z0cz01KAZBzgKjl Tw1JVjABR479JTBYF46N8suVjWd1qS/LtfUWqmQ8YE3XS6jEOsNc9zswF8BTCgjuv/cJn+rYxUgeEV nIH3vbWbjd5VC4FHvqyvdkqMFtxBsfCrEj93h/AKE1lb+gGECRB4v5O1KX4npqsytIuWR+AxheVoh7 yUgfZ4DAHn9X2jR/eku/KeWsOXLI8kTns7FgHEF0oWFrUf8hQy5i8cTvi4nt3ABxIe0C+5xOXmhZz6 RX6bX42n7mJnrswghPqEds8THuhvbMmIjxn+xUK2TdEVca5oP4ZhFIEp2oxMpkTgltZtC2WpwubrpP kJglSEgR1zC4LIJ73oNjvRQK6D5PuN7vdXbZiyPCJSzbaWQE/DRAv29MPoYQ== X-Developer-Key: i=neil.armstrong@linaro.org; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Document the Goodix GT9916 wich is part of the "Berlin" serie of Touchscreen controllers IC from Goodix. Signed-off-by: Neil Armstrong Reviewed-by: Rob Herring --- .../bindings/input/touchscreen/goodix,gt9916.yaml | 95 ++++++++++++++++++++++ 1 file changed, 95 insertions(+) diff --git a/Documentation/devicetree/bindings/input/touchscreen/goodix,gt9916.yaml b/Documentation/devicetree/bindings/input/touchscreen/goodix,gt9916.yaml new file mode 100644 index 000000000000..d90f045ac06c --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/goodix,gt9916.yaml @@ -0,0 +1,95 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/goodix,gt9916.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Goodix Berlin series touchscreen controller + +description: The Goodix Berlin series of touchscreen controllers + be connected to either I2C or SPI buses. + +maintainers: + - Neil Armstrong + +allOf: + - $ref: touchscreen.yaml# + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +properties: + compatible: + enum: + - goodix,gt9916 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + avdd-supply: + description: Analog power supply regulator on AVDD pin + + vddio-supply: + description: power supply regulator on VDDIO pin + + spi-max-frequency: true + touchscreen-inverted-x: true + touchscreen-inverted-y: true + touchscreen-size-x: true + touchscreen-size-y: true + touchscreen-swapped-x-y: true + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + - avdd-supply + - touchscreen-size-x + - touchscreen-size-y + +examples: + - | + #include + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + touchscreen@5d { + compatible = "goodix,gt9916"; + reg = <0x5d>; + interrupt-parent = <&gpio>; + interrupts = <25 IRQ_TYPE_LEVEL_LOW>; + reset-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; + avdd-supply = <&ts_avdd>; + touchscreen-size-x = <1024>; + touchscreen-size-y = <768>; + }; + }; + - | + #include + #include + spi { + #address-cells = <1>; + #size-cells = <0>; + num-cs = <1>; + cs-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>; + touchscreen@0 { + compatible = "goodix,gt9916"; + reg = <0>; + interrupt-parent = <&gpio>; + interrupts = <25 IRQ_TYPE_LEVEL_LOW>; + reset-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; + avdd-supply = <&ts_avdd>; + spi-max-frequency = <1000000>; + touchscreen-size-x = <1024>; + touchscreen-size-y = <768>; + }; + }; + +...