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Subject[PATCH RFC v1 3/6] dt-bindings: display: add Unisoc's dpu bindings
Date
From: Kevin Tang <kevin.tang@unisoc.com>

DPU (Display Processor Unit) is the Display Controller for the Unisoc SoCs
which transfers the image data from a video memory buffer to an internal
LCD interface.

Cc: Orson Zhai <orsonzhai@gmail.com>
Cc: Baolin Wang <baolin.wang@linaro.org>
Cc: Chunyan Zhang <zhang.lyra@gmail.com>
Signed-off-by: Kevin Tang <kevin.tang@unisoc.com>
---
.../devicetree/bindings/display/sprd/dpu.yaml | 85 ++++++++++++++++++++++
1 file changed, 85 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/sprd/dpu.yaml

diff --git a/Documentation/devicetree/bindings/display/sprd/dpu.yaml b/Documentation/devicetree/bindings/display/sprd/dpu.yaml
new file mode 100644
index 0000000..f84eddd
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/sprd/dpu.yaml
@@ -0,0 +1,85 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/sprd/dpu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Unisoc SoC Display Processor Unit (DPU)
+
+maintainers:
+ - David Airlie <airlied@linux.ie>
+ - Daniel Vetter <daniel@ffwll.ch>
+ - Rob Herring <robh+dt@kernel.org>
+ - Mark Rutland <mark.rutland@arm.com>
+
+description: |
+ DPU (Display Processor Unit) is the Display Controller for the Unisoc SoCs
+ which transfers the image data from a video memory buffer to an internal
+ LCD interface.
+
+properties:
+ compatible:
+ const: sprd,display-processor
+
+ reg:
+ maxItems: 1
+ description:
+ Physical base address and length of the DPU registers set
+
+ interrupts:
+ maxItems: 1
+ description:
+ The interrupt signal from DPU
+
+ clocks:
+ minItems: 2
+
+ clock-names:
+ items:
+ - const: clk_src_128m
+ - const: clk_src_384m
+
+ power-domains:
+ description: A phandle to DPU power domain node.
+
+ iommus:
+ description: A phandle to DPU iommu node.
+
+ port:
+ type: object
+ description:
+ A port node with endpoint definitions as defined in
+ Documentation/devicetree/bindings/media/video-interfaces.txt.
+ That port should be the output endpoint, usually output to
+ the associated DSI.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - port
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/sprd,sc9860-clk.h>
+ dpu: dpu@0x63000000 {
+ compatible = "sprd,display-processor";
+ reg = <0x0 0x63000000 0x0 0x1000>;
+ interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
+ clock-names = "clk_src_128m",
+ "clk_src_384m";
+
+ clocks = <&pll CLK_TWPLL_128M>,
+ <&pll CLK_TWPLL_384M>;
+
+ dpu_port: port {
+ dpu_out: endpoint {
+ remote-endpoint = <&dsi_in>;
+ };
+ };
+ };
--
2.7.4
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