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102 lines
2.3 KiB
102 lines
2.3 KiB
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
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# Copyright 2019 Unisoc Inc. |
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%YAML 1.2 |
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--- |
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$id: "http://devicetree.org/schemas/clock/sprd,sc9863a-clk.yaml#" |
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$schema: "http://devicetree.org/meta-schemas/core.yaml#" |
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title: SC9863A Clock Control Unit Device Tree Bindings |
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maintainers: |
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- Orson Zhai <[email protected]> |
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- Baolin Wang <[email protected]> |
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- Chunyan Zhang <[email protected]> |
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properties: |
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"#clock-cells": |
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const: 1 |
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compatible: |
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enum: |
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- sprd,sc9863a-ap-clk |
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- sprd,sc9863a-aon-clk |
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- sprd,sc9863a-apahb-gate |
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- sprd,sc9863a-pmu-gate |
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- sprd,sc9863a-aonapb-gate |
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- sprd,sc9863a-pll |
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- sprd,sc9863a-mpll |
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- sprd,sc9863a-rpll |
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- sprd,sc9863a-dpll |
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- sprd,sc9863a-mm-gate |
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- sprd,sc9863a-mm-clk |
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- sprd,sc9863a-apapb-gate |
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clocks: |
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minItems: 1 |
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maxItems: 4 |
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description: | |
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The input parent clock(s) phandle for this clock, only list fixed |
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clocks which are declared in devicetree. |
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clock-names: |
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minItems: 1 |
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items: |
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- const: ext-26m |
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- const: ext-32k |
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- const: ext-4m |
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- const: rco-100m |
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reg: |
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maxItems: 1 |
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required: |
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- compatible |
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- '#clock-cells' |
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if: |
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properties: |
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compatible: |
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enum: |
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- sprd,sc9863a-ap-clk |
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- sprd,sc9863a-aon-clk |
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then: |
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required: |
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- reg |
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else: |
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description: | |
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Other SC9863a clock nodes should be the child of a syscon node in |
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which compatible string shoule be: |
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"sprd,sc9863a-glbregs", "syscon", "simple-mfd" |
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The 'reg' property for the clock node is also required if there is a sub |
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range of registers for the clocks. |
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additionalProperties: false |
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examples: |
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- | |
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ap_clk: clock-controller@21500000 { |
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compatible = "sprd,sc9863a-ap-clk"; |
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reg = <0x21500000 0x1000>; |
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clocks = <&ext_26m>, <&ext_32k>; |
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clock-names = "ext-26m", "ext-32k"; |
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#clock-cells = <1>; |
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}; |
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- | |
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syscon@20e00000 { |
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compatible = "sprd,sc9863a-glbregs", "syscon", "simple-mfd"; |
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reg = <0x20e00000 0x4000>; |
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#address-cells = <1>; |
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#size-cells = <1>; |
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ranges = <0 0x20e00000 0x4000>; |
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apahb_gate: apahb-gate@0 { |
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compatible = "sprd,sc9863a-apahb-gate"; |
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reg = <0x0 0x1020>; |
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#clock-cells = <1>; |
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}; |
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}; |
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...
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