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Tue, 03 Oct 2023 01:38:40 -0700 (PDT) From: Neil Armstrong Date: Tue, 03 Oct 2023 10:38:33 +0200 Subject: [PATCH v8 1/4] dt-bindings: input: document Goodix Berlin Touchscreen IC MIME-Version: 1.0 Message-Id: <20231003-topic-goodix-berlin-upstream-initial-v8-1-171606102ed6@linaro.org> References: <20231003-topic-goodix-berlin-upstream-initial-v8-0-171606102ed6@linaro.org> In-Reply-To: <20231003-topic-goodix-berlin-upstream-initial-v8-0-171606102ed6@linaro.org> To: Dmitry Torokhov , linux-input@vger.kernel.org Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bastien Nocera , Hans de Goede , Henrik Rydberg , Jeff LaBundy , 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/ZANAwAKAXfc29rIyEnRAcsmYgBlG9MNEafnCQ9IV1cKD5hb0M1JIZQ/KdOOQNLnJP3S I6gWdAqJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCZRvTDQAKCRB33NvayMhJ0VF5EA CdQZfBj9lE5l/QOADsWzj3wmfLfb9Kc/ZFpiPkw4LGsJXL65QfZtRzF8oW/Vbg7UjSHBSWg5tt/MCA D081op4elI1n5oOvir00e3HhTJUjdGkwWUYBBWFOeJvlYMeUd+1GFQev0mwNqZnqDfy4wLSH5moqT8 OoiA5bSYv+shwo3VrEe7vSvmylgFZ9vylQLBl1JVeRBYjMQ+oCYc8t1VUQv//plr3m55O5j5UR4VqJ 1xZd0mTJiRn+HQHRljkbDaGIO1Rl58miKIifaaEKiznqnt+cuger0hgeTsNY1J3EfelfcTSwm3dIQT NNDcDYQ5YFjmybuIkYvMa25uWLG0FkWwbziV4nW1NN7HefPtdSCVVWZh1RXoW4/XQoCoBUB/w1qP3Z +A3zgfB2wpYSg6F1svXXAWExH0mno+ADSn6qESquDMzcLADxN2y9MxAsux4HmzZT8So/UQtKfn5+l2 MeOfk6gjwY2IZvFx0nHwXm4Tu6rQxkFZ78zaCN5G3lJucXPE17kwsZS0SqA2ZdxNcZ4ibEcFNUs9Vv WDCW4E3aTgavmxYIVM3jNtLSFqEvg7998jOg5GeRKO7zrIII+5ushIYjNnPgz6o30iJ591E+TBMrKT k+FgwsiBMPGcheZaMHoiJ0RmZUd0379f7DkIgvNEqOPwQI+9MdP/L8ebuPsg== X-Developer-Key: i=neil.armstrong@linaro.org; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Tue, 03 Oct 2023 01:38:59 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778722893900375500 X-GMAIL-MSGID: 1778722893900375500 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>; + }; + }; + +...