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Tue, 12 Sep 2023 01:44:12 -0700 (PDT) From: Neil Armstrong Date: Tue, 12 Sep 2023 10:44:07 +0200 Subject: [PATCH v6 1/4] dt-bindings: input: document Goodix Berlin Touchscreen IC MIME-Version: 1.0 Message-Id: <20230912-topic-goodix-berlin-upstream-initial-v6-1-b4ecfa49fb9d@linaro.org> References: <20230912-topic-goodix-berlin-upstream-initial-v6-0-b4ecfa49fb9d@linaro.org> In-Reply-To: <20230912-topic-goodix-berlin-upstream-initial-v6-0-b4ecfa49fb9d@linaro.org> To: Dmitry Torokhov Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bastien Nocera , Hans de Goede , Henrik Rydberg , Jeff LaBundy , linux-input@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Neil Armstrong , Rob Herring X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=3093; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=sfk9uxvNPIwk9f8d5iBn9m2N4nTZgMQFpRmAil1gnVU=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBlACTZ6grE0hkz9CI0cvJQs2LwXa4Ntq2TSut9gBxo nOnhEwKJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCZQAk2QAKCRB33NvayMhJ0VUdD/ 43fvSCO4mbhlP4fu2iZ0BaxMgBifTC0iz2aXidR+tEAjM/F8EywPDQ63GWFxy01zQyo0qJMOWXi7qm cbRj6RKgmH1XNpIZ6sfOM3Oeiir8jnPFxGfOE90WRntF4sXszQg2aTmsfsN/Z1Dt421BY6WP5YWwAg n1QQ6X08FhciuCg3NpTZBsjiq5ogV6RP1Vz5l0LdD16lhzzS/zaHFcV+iHFxC8yXfB/dGGN1qDgk9f K0JR84xiMmUMi2BIKmhaOxZgNfSlKn25hS3JOwn/uYsQmNMGTzMyFuSurlsRjv6drFF+JafrW2oKJr 7Myo5zptzQZmCMz+eUrcWyCPXf7KDd4OcyDLu/tweuYmRD8/QccSCFzVKUEfDb4coCpVrOVf0B7715 +YfzijhTCe1FZpZWjvG25SI2gKlAfzu25DTytXZ0h7T6l/z+xHhTbLziSCYWFL2jUwIwYQtEMmxDQx HGvZ/AKPnxdIhqse2ZyVvi0Bn0pJwc9uAr+gLczz+p+wXXDhw4+PQGodNceqTNVF73K5fI5eycVyvU kXIDCmXTdW1bCaKH+vHpGKoQKpOKhHypiamRUvZ8T6MJ6IZKyoxDJQa6kaiI3HAcYuhKTHSSzj8eVW crv1d+vMIHV06GgystTyQzTB2q1/DY11Anngf+1iNUWwAA0RbgfMnVXSqzqw== X-Developer-Key: i=neil.armstrong@linaro.org; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Document the Goodix GT9916 wich is part of the "Berlin" serie of Touchscreen controllers IC from Goodix. Reviewed-by: Rob Herring Signed-off-by: Neil Armstrong --- .../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>; + }; + }; + +...