| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/clock/atmel,at91rm9200-pmc.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Atmel Power Management Controller (PMC) |
| 8 | |
| 9 | maintainers: |
| 10 | - Claudiu Beznea <claudiu.beznea@microchip.com> |
| 11 | |
| 12 | description: |
| 13 | The power management controller optimizes power consumption by controlling all |
| 14 | system and user peripheral clocks. The PMC enables/disables the clock inputs |
| 15 | to many of the peripherals and to the processor. |
| 16 | |
| 17 | properties: |
| 18 | compatible: |
| 19 | oneOf: |
| 20 | - items: |
| 21 | - const: atmel,at91sam9g20-pmc |
| 22 | - const: atmel,at91sam9260-pmc |
| 23 | - const: syscon |
| 24 | - items: |
| 25 | - enum: |
| 26 | - atmel,at91sam9g15-pmc |
| 27 | - atmel,at91sam9g25-pmc |
| 28 | - atmel,at91sam9g35-pmc |
| 29 | - atmel,at91sam9x25-pmc |
| 30 | - atmel,at91sam9x35-pmc |
| 31 | - const: atmel,at91sam9x5-pmc |
| 32 | - const: syscon |
| 33 | - items: |
| 34 | - enum: |
| 35 | - atmel,at91rm9200-pmc |
| 36 | - atmel,at91sam9260-pmc |
| 37 | - atmel,at91sam9g45-pmc |
| 38 | - atmel,at91sam9n12-pmc |
| 39 | - atmel,at91sam9rl-pmc |
| 40 | - atmel,at91sam9x5-pmc |
| 41 | - atmel,sama5d2-pmc |
| 42 | - atmel,sama5d3-pmc |
| 43 | - atmel,sama5d4-pmc |
| 44 | - microchip,sam9x60-pmc |
| 45 | - microchip,sama7g5-pmc |
| 46 | - const: syscon |
| 47 | |
| 48 | reg: |
| 49 | maxItems: 1 |
| 50 | |
| 51 | interrupts: |
| 52 | maxItems: 1 |
| 53 | |
| 54 | "#clock-cells": |
| 55 | description: | |
| 56 | - 1st cell is the clock type, one of PMC_TYPE_CORE, PMC_TYPE_SYSTEM, |
| 57 | PMC_TYPE_PERIPHERAL, PMC_TYPE_GCK, PMC_TYPE_PROGRAMMABLE (as defined |
| 58 | in <dt-bindings/clock/at91.h>) |
| 59 | - 2nd cell is the clock identifier as defined in <dt-bindings/clock/at91.h |
| 60 | (for core clocks) or as defined in datasheet (for system, peripheral, |
| 61 | gck and programmable clocks). |
| 62 | const: 2 |
| 63 | |
| 64 | clocks: |
| 65 | minItems: 2 |
| 66 | maxItems: 3 |
| 67 | |
| 68 | clock-names: |
| 69 | minItems: 2 |
| 70 | maxItems: 3 |
| 71 | |
| 72 | atmel,osc-bypass: |
| 73 | description: set when a clock signal is directly provided on XIN |
| 74 | type: boolean |
| 75 | |
| 76 | required: |
| 77 | - compatible |
| 78 | - reg |
| 79 | - interrupts |
| 80 | - "#clock-cells" |
| 81 | - clocks |
| 82 | - clock-names |
| 83 | |
| 84 | allOf: |
| 85 | - if: |
| 86 | properties: |
| 87 | compatible: |
| 88 | contains: |
| 89 | enum: |
| 90 | - microchip,sam9x60-pmc |
| 91 | - microchip,sama7g5-pmc |
| 92 | then: |
| 93 | properties: |
| 94 | clocks: |
| 95 | minItems: 3 |
| 96 | maxItems: 3 |
| 97 | clock-names: |
| 98 | items: |
| 99 | - const: td_slck |
| 100 | - const: md_slck |
| 101 | - const: main_xtal |
| 102 | |
| 103 | - if: |
| 104 | properties: |
| 105 | compatible: |
| 106 | contains: |
| 107 | enum: |
| 108 | - atmel,at91rm9200-pmc |
| 109 | - atmel,at91sam9260-pmc |
| 110 | - atmel,at91sam9g20-pmc |
| 111 | then: |
| 112 | properties: |
| 113 | clocks: |
| 114 | minItems: 2 |
| 115 | maxItems: 2 |
| 116 | clock-names: |
| 117 | items: |
| 118 | - const: slow_xtal |
| 119 | - const: main_xtal |
| 120 | |
| 121 | - if: |
| 122 | properties: |
| 123 | compatible: |
| 124 | contains: |
| 125 | enum: |
| 126 | - atmel,sama5d2-pmc |
| 127 | - atmel,sama5d3-pmc |
| 128 | - atmel,sama5d4-pmc |
| 129 | then: |
| 130 | properties: |
| 131 | clocks: |
| 132 | minItems: 2 |
| 133 | maxItems: 2 |
| 134 | clock-names: |
| 135 | items: |
| 136 | - const: slow_clk |
| 137 | - const: main_xtal |
| 138 | |
| 139 | additionalProperties: false |
| 140 | |
| 141 | examples: |
| 142 | - | |
| 143 | #include <dt-bindings/interrupt-controller/irq.h> |
| 144 | |
| 145 | pmc: clock-controller@f0018000 { |
| 146 | compatible = "atmel,sama5d4-pmc", "syscon"; |
| 147 | reg = <0xf0018000 0x120>; |
| 148 | interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; |
| 149 | #clock-cells = <2>; |
| 150 | clocks = <&clk32k>, <&main_xtal>; |
| 151 | clock-names = "slow_clk", "main_xtal"; |
| 152 | }; |
| 153 | |
| 154 | ... |