[PATCH 3/5] dt-bindings: timer: microchip,sam9x60-pit64b: convert to yaml

Claudiu Beznea
2023-05-25T12:57:49Z

Convert Microchip PIT64B to YAML. Along with it clock-names binding has
been added as the driver needs it to get PIT64B clocks.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---
.../devicetree/bindings/arm/atmel-sysregs.txt | 6 --
.../timer/microchip,sam9x60-pit64b.yaml | 56 +++++++++++++++++++
2 files changed, 56 insertions(+), 6 deletions(-)
create mode 100644 Documentation/devicetree/bindings/timer/microchip,sam9x60-pit64b.yaml

diff --git a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt
index 7024839c5da2..54d3f586403e 100644
--- a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt
+++ b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt
@@ -4,12 +4,6 @@ Chipid required properties:
- compatible: Should be "atmel,sama5d2-chipid" or "microchip,sama7g5-chipid"
- reg : Should contain registers location and length

-PIT64B Timer required properties:
-- compatible: Should be "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/timer/microchip,sam9x60-pit64b.yaml b/Documentation/devicetree/bindings/timer/microchip,sam9x60-pit64b.yaml
new file mode 100644
index 000000000000..9378eca38138
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/microchip,sam9x60-pit64b.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/microchip,sam9x60-pit64b.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip 64-bit Periodic Interval Timer (PIT64B)
+
+maintainers:
+ - Claudiu Beznea <claudiu.beznea@microchip.com>
+
+description:
+ The 64-bit periodic interval timer provides the operating system scheduler
+ interrupt. It is designed to offer maximum accuracy and efficient management,
+ even for systems with long response times.
+
+properties:
+ compatible:
+ const: microchip,sam9x60-pit64b
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: pclk
+ - const: gclk
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/at91.h>
+
+ pit64b: timer@f0028000 {
+ compatible = "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";
+ };
+
+...
--
2.34.1