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| author | Fabio Estevam <festevam@gmail.com> | 2024-09-30 23:32:38 +0200 |
|---|---|---|
| committer | Rob Herring (Arm) <robh@kernel.org> | 2024-10-02 02:21:26 +0200 |
| commit | d0a0c91dff5f0d2a084f5dc859360e3dd549354c (patch) | |
| tree | c8c19a3a35b36fb81c5ca2f811194ea01624384b | |
| parent | Linux 6.12-rc1 (diff) | |
| download | linux-d0a0c91dff5f0d2a084f5dc859360e3dd549354c.tar.xz linux-d0a0c91dff5f0d2a084f5dc859360e3dd549354c.zip | |
dt-bindings: display: elgin,jg10309-01: Add own binding
Currently, the compatible 'elgin,jg10309-01' is documented inside
trivial-devices.yaml, but it does not fit well there as it requires
extra properties such as spi-max-frequency, spi-cpha, and spi-cpol.
This causes the following dt-schema warnings:
make CHECK_DTBS=y rockchip/rv1108-elgin-r1.dtb -j12
DTC [C] arch/arm/boot/dts/rockchip/rv1108-elgin-r1.dtb
rv1108-elgin-r1.dtb:display@0: 'spi-cpha', 'spi-cpol' do not match any of the regexes:
...
Fix this problem by introducing a specific binding for the Elgin
JG10309-01 SPI-controlled display.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240930213238.977833-1-festevam@gmail.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/display/elgin,jg10309-01.yaml | 54 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/trivial-devices.yaml | 2 |
2 files changed, 54 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/display/elgin,jg10309-01.yaml b/Documentation/devicetree/bindings/display/elgin,jg10309-01.yaml new file mode 100644 index 000000000000..faca0cb3f154 --- /dev/null +++ b/Documentation/devicetree/bindings/display/elgin,jg10309-01.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/elgin,jg10309-01.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Elgin JG10309-01 SPI-controlled display + +maintainers: + - Fabio Estevam <festevam@gmail.com> + +description: | + The Elgin JG10309-01 SPI-controlled display is used on the RV1108-Elgin-r1 + board and is a custom display. + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +properties: + compatible: + const: elgin,jg10309-01 + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 24000000 + + spi-cpha: true + + spi-cpol: true + +required: + - compatible + - reg + - spi-cpha + - spi-cpol + +additionalProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + display@0 { + compatible = "elgin,jg10309-01"; + reg = <0>; + spi-max-frequency = <24000000>; + spi-cpha; + spi-cpol; + }; + }; diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml index 0108d7507215..9bf0fb17a05e 100644 --- a/Documentation/devicetree/bindings/trivial-devices.yaml +++ b/Documentation/devicetree/bindings/trivial-devices.yaml @@ -101,8 +101,6 @@ properties: - domintech,dmard09 # DMARD10: 3-axis Accelerometer - domintech,dmard10 - # Elgin SPI-controlled LCD - - elgin,jg10309-01 # MMA7660FC: 3-Axis Orientation/Motion Detection Sensor - fsl,mma7660 # MMA8450Q: Xtrinsic Low-power, 3-axis Xtrinsic Accelerometer |