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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
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parentInitial commit. (diff)
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Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+Device Tree bindings for Arm Komeda display driver
+
+Required properties:
+- compatible: Should be "arm,mali-d71"
+- reg: Physical base address and length of the registers in the system
+- interrupts: the interrupt line number of the device in the system
+- clocks: A list of phandle + clock-specifier pairs, one for each entry
+ in 'clock-names'
+- clock-names: A list of clock names. It should contain:
+ - "aclk": for the main processor clock
+- #address-cells: Must be 1
+- #size-cells: Must be 0
+- iommus: configure the stream id to IOMMU, Must be configured if want to
+ enable iommu in display. for how to configure this node please reference
+ devicetree/bindings/iommu/arm,smmu-v3.txt,
+ devicetree/bindings/iommu/iommu.txt
+
+Required properties for sub-node: pipeline@nq
+Each device contains one or two pipeline sub-nodes (at least one), each
+pipeline node should provide properties:
+- reg: Zero-indexed identifier for the pipeline
+- clocks: A list of phandle + clock-specifier pairs, one for each entry
+ in 'clock-names'
+- clock-names: should contain:
+ - "pxclk": pixel clock
+
+- port: each pipeline connect to an encoder input port. The connection is
+ modeled using the OF graph bindings specified in
+ Documentation/devicetree/bindings/graph.txt
+
+Optional properties:
+ - memory-region: phandle to a node describing memory (see
+ Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt)
+ to be used for the framebuffer; if not present, the framebuffer may
+ be located anywhere in memory.
+
+Example:
+/ {
+ ...
+
+ dp0: display@c00000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "arm,mali-d71";
+ reg = <0xc00000 0x20000>;
+ interrupts = <0 168 4>;
+ clocks = <&dpu_aclk>;
+ clock-names = "aclk";
+ iommus = <&smmu 0>, <&smmu 1>, <&smmu 2>, <&smmu 3>,
+ <&smmu 4>, <&smmu 5>, <&smmu 6>, <&smmu 7>,
+ <&smmu 8>, <&smmu 9>;
+
+ dp0_pipe0: pipeline@0 {
+ clocks = <&fpgaosc2>;
+ clock-names = "pxclk";
+ reg = <0>;
+
+ port {
+ dp0_pipe0_out: endpoint {
+ remote-endpoint = <&db_dvi0_in>;
+ };
+ };
+ };
+
+ dp0_pipe1: pipeline@1 {
+ clocks = <&fpgaosc2>;
+ clock-names = "pxclk";
+ reg = <1>;
+
+ port {
+ dp0_pipe1_out: endpoint {
+ remote-endpoint = <&db_dvi1_in>;
+ };
+ };
+ };
+ };
+ ...
+};