diff options
| author | Akhila YS <akhilayalmati@gmail.com> | 2026-02-27 15:14:32 +0000 |
|---|---|---|
| committer | Claudiu Beznea <claudiu.beznea@tuxon.dev> | 2026-03-07 16:39:49 +0200 |
| commit | 5f3acf8c03d666377fbe68a8562d89b2e737875d (patch) | |
| tree | cd954834c0a6b7c056f6de5de0c399ca4dcf05aa /Documentation/devicetree/bindings/arm | |
| parent | 0b7b7d1abec33d568086165916510c0415fcabcf (diff) | |
dt-bindings: arm: atmel,at91sam9260-pit: convert to DT schema
Convert Atmel Periodic interval timer (PIT) binding to YAML format.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Akhila YS <akhilayalmati@gmail.com>
Link: https://lore.kernel.org/r/20260227-arm-microchip-v4-2-7e2ae1c5b5d6@gmail.com
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Diffstat (limited to 'Documentation/devicetree/bindings/arm')
| -rw-r--r-- | Documentation/devicetree/bindings/arm/atmel,at91sam9260-pit.yaml | 49 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/arm/atmel-sysregs.txt | 6 |
2 files changed, 49 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/arm/atmel,at91sam9260-pit.yaml b/Documentation/devicetree/bindings/arm/atmel,at91sam9260-pit.yaml new file mode 100644 index 000000000000..d1bdc4a4f9e0 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/atmel,at91sam9260-pit.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/atmel,at91sam9260-pit.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Atmel AT91SAM9260 Periodic Interval Timer (PIT) + +maintainers: + - Nicolas Ferre <nicolas.ferre@microchip.com> + - Claudiu Beznea <claudiu.beznea@tuxon.dev> + +description: + The Periodic Interval Timer (PIT) is part of the System Controller of + various Microchip 32-bit ARM-based SoCs (formerly Atmel AT91 series). + It is a simple down-counter timer used mainly as the kernel tick source. + The PIT is clocked from the slow clock and shares a single IRQ line with + other System Controller peripherals. + +properties: + compatible: + const: atmel,at91sam9260-pit + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + timer@fffffd30 { + compatible = "atmel,at91sam9260-pit"; + reg = <0xfffffd30 0x10>; + interrupts = <1 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk32k>; + }; +... diff --git a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt index 4ee18112586d..70059f66f2b4 100644 --- a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt +++ b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt @@ -1,11 +1,5 @@ Atmel system registers -PIT Timer required properties: -- compatible: Should be "atmel,at91sam9260-pit" -- reg: Should contain registers location and length -- interrupts: Should contain interrupt for the PIT which is the IRQ line - shared across all System Controller members. - PIT64B Timer required properties: - compatible: Should be "microchip,sam9x60-pit64b" or "microchip,sam9x7-pit64b", "microchip,sam9x60-pit64b" |