diff options
| -rw-r--r-- | Documentation/devicetree/bindings/arm/atmel-sysregs.txt | 8 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/arm/microchip,sam9x60-pit64b.yaml | 68 |
2 files changed, 68 insertions, 8 deletions
diff --git a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt index 70059f66f2b4..d0561f7f465c 100644 --- a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt +++ b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt @@ -1,13 +1,5 @@ Atmel system registers -PIT64B Timer required properties: -- compatible: Should be "microchip,sam9x60-pit64b" or - "microchip,sam9x7-pit64b", "microchip,sam9x60-pit64b" - "microchip,sama7d65-pit64b", "microchip,sam9x60-pit64b" -- reg: Should contain registers location and length -- interrupts: Should contain interrupt for PIT64B timer -- clocks: Should contain the available clock sources for PIT64B timer. - System Timer (ST) required properties: - compatible: Should be "atmel,at91rm9200-st", "syscon", "simple-mfd" - reg: Should contain registers location and length diff --git a/Documentation/devicetree/bindings/arm/microchip,sam9x60-pit64b.yaml b/Documentation/devicetree/bindings/arm/microchip,sam9x60-pit64b.yaml new file mode 100644 index 000000000000..802cf2424c42 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/microchip,sam9x60-pit64b.yaml @@ -0,0 +1,68 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/microchip,sam9x60-pit64b.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip PIT64B 64-bit Periodic Interval Timer + +maintainers: + - Nicolas Ferre <nicolas.ferre@microchip.com> + - Claudiu Beznea <claudiu.beznea@tuxon.dev> + +description: + The Microchip PIT64B is a 64-bit periodic interval timer used in + several modern Microchip ARM SoCs including SAM9X60, SAM9X7 and + SAMA7D65 families. It provides extended timing range, flexible + clock selection and supports both periodic and one-shot interrupt + generation modes. + +properties: + compatible: + oneOf: + - const: microchip,sam9x60-pit64b + - items: + - enum: + - microchip,sam9x7-pit64b + - microchip,sama7d65-pit64b + - microchip,sama7g5-pit64b + - const: microchip,sam9x60-pit64b + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 1 + maxItems: 2 + + clock-names: + minItems: 1 + maxItems: 2 + items: + enum: + - pclk + - gclk + +required: + - compatible + - reg + - interrupts + - clocks + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/clock/at91.h> + timer@f0028000 { + compatible = "microchip,sama7g5-pit64b", "microchip,sam9x60-pit64b"; + reg = <0xf0028000 0x100>; + interrupts = <37 IRQ_TYPE_LEVEL_HIGH 7>; + clocks = <&pmc PMC_TYPE_PERIPHERAL 37>, <&pmc PMC_TYPE_GCK 37>; + clock-names = "pclk", "gclk"; + }; +... |