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[92.34.203.20]) by smtp.gmail.com with ESMTPSA id d27sm1941930lfm.203.2021.04.05.16.47.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Apr 2021 16:47:18 -0700 (PDT) From: Linus Walleij To: Thierry Reding , Sam Ravnborg , dri-devel@lists.freedesktop.org Subject: [PATCH 1/2] drm/panel: Add DT bindings for Samsung LMS397KF04 Date: Tue, 6 Apr 2021 01:47:12 +0200 Message-Id: <20210405234713.3190693-1-linus.walleij@linaro.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This adds device tree bindings for the Samsung LMS397KF04 RGB DPI display panel. Cc: devicetree@vger.kernel.org Signed-off-by: Linus Walleij --- .../display/panel/samsung,lms397kf04.yaml | 74 +++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/samsung,lms397kf04.yaml diff --git a/Documentation/devicetree/bindings/display/panel/samsung,lms397kf04.yaml b/Documentation/devicetree/bindings/display/panel/samsung,lms397kf04.yaml new file mode 100644 index 000000000000..4cb75a5f2e3a --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/samsung,lms397kf04.yaml @@ -0,0 +1,74 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/samsung,lms397kf04.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung LMS397KF04 display panel + +description: The datasheet claims this is based around a display controller + named DB7430 with a separate backlight controller. + +maintainers: + - Linus Walleij + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + const: samsung,lms397kf04 + + reg: true + + reset-gpios: true + + vci-supply: + description: regulator that supplies the VCI analog voltage + usually around 3.0 V + + vccio-supply: + description: regulator that supplies the VCCIO voltage usually + around 1.8 V + + backlight: true + + spi-max-frequency: + $ref: /schemas/types.yaml#/definitions/uint32 + description: inherited as a SPI client node, the datasheet specifies + maximum 300 ns minimum cycle which gives around 3 MHz max frequency + maximum: 3000000 + + port: true + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include + + spi { + #address-cells = <1>; + #size-cells = <0>; + panel@0 { + compatible = "samsung,lms397kf04"; + spi-max-frequency = <3000000>; + reg = <0>; + vci-supply = <&lcd_3v0_reg>; + vccio-supply = <&lcd_1v8_reg>; + reset-gpios = <&gpio 1 GPIO_ACTIVE_LOW>; + backlight = <&ktd259>; + + port { + panel_in: endpoint { + remote-endpoint = <&display_out>; + }; + }; + }; + }; + +... -- 2.29.2 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel