| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/clock/atmel,at91rm9200-pmc.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Atmel Power Management Controller (PMC) |
| |
| maintainers: |
| - Claudiu Beznea <claudiu.beznea@microchip.com> |
| |
| description: |
| The power management controller optimizes power consumption by controlling all |
| system and user peripheral clocks. The PMC enables/disables the clock inputs |
| to many of the peripherals and to the processor. |
| |
| properties: |
| compatible: |
| oneOf: |
| - items: |
| - const: atmel,at91sam9g20-pmc |
| - const: atmel,at91sam9260-pmc |
| - const: syscon |
| - items: |
| - enum: |
| - atmel,at91sam9g15-pmc |
| - atmel,at91sam9g25-pmc |
| - atmel,at91sam9g35-pmc |
| - atmel,at91sam9x25-pmc |
| - atmel,at91sam9x35-pmc |
| - const: atmel,at91sam9x5-pmc |
| - const: syscon |
| - items: |
| - enum: |
| - atmel,at91rm9200-pmc |
| - atmel,at91sam9260-pmc |
| - atmel,at91sam9g45-pmc |
| - atmel,at91sam9n12-pmc |
| - atmel,at91sam9rl-pmc |
| - atmel,at91sam9x5-pmc |
| - atmel,sama5d2-pmc |
| - atmel,sama5d3-pmc |
| - atmel,sama5d4-pmc |
| - microchip,sam9x60-pmc |
| - microchip,sama7g5-pmc |
| - const: syscon |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| maxItems: 1 |
| |
| "#clock-cells": |
| description: | |
| - 1st cell is the clock type, one of PMC_TYPE_CORE, PMC_TYPE_SYSTEM, |
| PMC_TYPE_PERIPHERAL, PMC_TYPE_GCK, PMC_TYPE_PROGRAMMABLE (as defined |
| in <dt-bindings/clock/at91.h>) |
| - 2nd cell is the clock identifier as defined in <dt-bindings/clock/at91.h |
| (for core clocks) or as defined in datasheet (for system, peripheral, |
| gck and programmable clocks). |
| const: 2 |
| |
| clocks: |
| minItems: 2 |
| maxItems: 3 |
| |
| clock-names: |
| minItems: 2 |
| maxItems: 3 |
| |
| atmel,osc-bypass: |
| description: set when a clock signal is directly provided on XIN |
| type: boolean |
| |
| required: |
| - compatible |
| - reg |
| - interrupts |
| - "#clock-cells" |
| - clocks |
| - clock-names |
| |
| allOf: |
| - if: |
| properties: |
| compatible: |
| contains: |
| enum: |
| - microchip,sam9x60-pmc |
| - microchip,sama7g5-pmc |
| then: |
| properties: |
| clocks: |
| minItems: 3 |
| maxItems: 3 |
| clock-names: |
| items: |
| - const: td_slck |
| - const: md_slck |
| - const: main_xtal |
| |
| - if: |
| properties: |
| compatible: |
| contains: |
| enum: |
| - atmel,at91rm9200-pmc |
| - atmel,at91sam9260-pmc |
| - atmel,at91sam9g20-pmc |
| then: |
| properties: |
| clocks: |
| minItems: 2 |
| maxItems: 2 |
| clock-names: |
| items: |
| - const: slow_xtal |
| - const: main_xtal |
| |
| - if: |
| properties: |
| compatible: |
| contains: |
| enum: |
| - atmel,sama5d2-pmc |
| - atmel,sama5d3-pmc |
| - atmel,sama5d4-pmc |
| then: |
| properties: |
| clocks: |
| minItems: 2 |
| maxItems: 2 |
| clock-names: |
| items: |
| - const: slow_clk |
| - const: main_xtal |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/interrupt-controller/irq.h> |
| |
| pmc: clock-controller@f0018000 { |
| compatible = "atmel,sama5d4-pmc", "syscon"; |
| reg = <0xf0018000 0x120>; |
| interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; |
| #clock-cells = <2>; |
| clocks = <&clk32k>, <&main_xtal>; |
| clock-names = "slow_clk", "main_xtal"; |
| }; |
| |
| ... |
