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author | Linus Walleij <linus.walleij@linaro.org> | 2021-04-06 01:47:12 +0200 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2021-04-30 02:41:02 +0200 |
commit | 6c525b72f985e967f8d171a7d3f9210c4018decd (patch) | |
tree | 0798cca5f5a9ebd14250d3afa95c3155b1b87179 | |
parent | 98025a62cb00778a467dbc359d647c9515d51b4e (diff) | |
download | linux-6c525b72f985e967f8d171a7d3f9210c4018decd.tar.bz2 |
drm/panel: Add DT bindings for Samsung LMS397KF04
This adds device tree bindings for the Samsung LMS397KF04
RGB DPI display panel.
Cc: devicetree@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210405234713.3190693-1-linus.walleij@linaro.org
-rw-r--r-- | Documentation/devicetree/bindings/display/panel/samsung,lms397kf04.yaml | 74 |
1 files changed, 74 insertions, 0 deletions
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 <linus.walleij@linaro.org> + +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 <dt-bindings/gpio/gpio.h> + + 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>; + }; + }; + }; + }; + +... |