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[92.176.231.205]) by smtp.gmail.com with ESMTPSA id b16-20020adfe650000000b003266ece0fe2sm10221874wrn.98.2023.10.09.11.36.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Oct 2023 11:36:09 -0700 (PDT) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Maxime Ripard , Thomas Zimmermann , Geert Uytterhoeven , Javier Martinez Canillas , Conor Dooley , Daniel Vetter , David Airlie , Krzysztof Kozlowski , Maarten Lankhorst , Rob Herring , devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH 8/8] dt-bindings: display: Add SSD132x OLED controllers Date: Mon, 9 Oct 2023 20:34:22 +0200 Message-ID: <20231009183522.543918-9-javierm@redhat.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231009183522.543918-1-javierm@redhat.com> References: <20231009183522.543918-1-javierm@redhat.com> MIME-Version: 1.0 X-Spam-Status: No, score=2.7 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_SBL_CSS,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email 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 (groat.vger.email [0.0.0.0]); Mon, 09 Oct 2023 11:38:54 -0700 (PDT) X-Spam-Level: ** X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1779304221020125667 X-GMAIL-MSGID: 1779304221020125667 Add a Device Tree binding schema for the OLED panels based on the Solomon SSD132x family of controllers. Signed-off-by: Javier Martinez Canillas --- .../bindings/display/solomon,ssd132x.yaml | 116 ++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/solomon,ssd132x.yaml diff --git a/Documentation/devicetree/bindings/display/solomon,ssd132x.yaml b/Documentation/devicetree/bindings/display/solomon,ssd132x.yaml new file mode 100644 index 000000000000..b64904703a3a --- /dev/null +++ b/Documentation/devicetree/bindings/display/solomon,ssd132x.yaml @@ -0,0 +1,116 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/solomon,ssd132x.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Solomon SSD132x OLED Controllers + +maintainers: + - Javier Martinez Canillas + +properties: + compatible: + oneOf: + - enum: + - solomon,ssd1322 + - solomon,ssd1325 + - solomon,ssd1327 + + reg: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + # Only required for SPI + dc-gpios: + description: + GPIO connected to the controller's D/C# (Data/Command) pin, + that is needed for 4-wire SPI to tell the controller if the + data sent is for a command register or the display data RAM + maxItems: 1 + + solomon,height: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Height in pixel of the screen driven by the controller. + The default value is controller-dependent. + + solomon,width: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Width in pixel of the screen driven by the controller. + The default value is controller-dependent. + +required: + - compatible + - reg + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + + - if: + properties: + compatible: + contains: + const: solomon,ssd1322 + then: + properties: + width: + default: 480 + height: + default: 128 + + - if: + properties: + compatible: + contains: + const: solomon,ssd1325 + then: + properties: + width: + default: 128 + height: + default: 80 + + - if: + properties: + compatible: + contains: + const: solomon,ssd1327 + then: + properties: + width: + default: 128 + height: + default: 128 + +unevaluatedProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + ssd1327_i2c: oled@3c { + compatible = "solomon,ssd1327"; + reg = <0x3c>; + reset-gpios = <&gpio2 7>; + }; + + }; + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + ssd1327_spi: oled@0 { + compatible = "solomon,ssd1327"; + reg = <0x0>; + reset-gpios = <&gpio2 7>; + dc-gpios = <&gpio2 8>; + spi-max-frequency = <10000000>; + }; + };