This patch add a trival DT usages for loongson display controller found in LS2k1000 SoC. Signed-off-by: suijingfeng <suijingfeng@xxxxxxxxxxx> --- .../loongson/loongson,display-controller.yaml | 58 +++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/loongson/loongson,display-controller.yaml diff --git a/Documentation/devicetree/bindings/display/loongson/loongson,display-controller.yaml b/Documentation/devicetree/bindings/display/loongson/loongson,display-controller.yaml new file mode 100644 index 000000000000..98b78f449a80 --- /dev/null +++ b/Documentation/devicetree/bindings/display/loongson/loongson,display-controller.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/loongson/loongson,display-controller.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Loongson Display Controller Device Tree Bindings + +maintainers: + - Sui Jingfeng <suijingfeng@xxxxxxxxxxx> + +description: |+ + + The display controller is a PCI device, it has two display pipe. + For the DC in LS2K1000 each way has a DVO output interface which + provide RGB888 signals, vertical & horizontal synchronisations + and the pixel clock. Each CRTC is able to support 1920x1080@60Hz, + the maximum resolution is 2048x2048 according to the hardware spec. + +properties: + $nodename: + pattern: "^display-controller@[0-9a-f],[0-9a-f]$" + + compatible: + oneOf: + - items: + - enum: + - loongson,ls2k1000-dc + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + bus { + + #address-cells = <3>; + #size-cells = <2>; + #interrupt-cells = <2>; + + display-controller@6,0 { + compatible = "loongson,ls2k1000-dc"; + reg = <0x3000 0x0 0x0 0x0 0x0>; + interrupts = <28 IRQ_TYPE_LEVEL_LOW>; + }; + }; + +... -- 2.34.1
