[PATCH 5/5] dt-bindings: timer: atmel,at91rm9200-st: convert to yaml

Claudiu Beznea
2023-05-25T12:58:05Z

Convert Atmel system timer to YAML.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---
.../devicetree/bindings/arm/atmel-sysregs.txt | 9 ---
.../bindings/timer/atmel,at91rm9200-st.yaml | 66 +++++++++++++++++++
2 files changed, 66 insertions(+), 9 deletions(-)
create mode 100644 Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml

diff --git a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt
index 54d3f586403e..68c0eacb01ac 100644
--- a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt
+++ b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt
@@ -4,15 +4,6 @@ Chipid required properties:
- compatible: Should be "atmel,sama5d2-chipid" or "microchip,sama7g5-chipid"
- reg : Should contain registers location and length

-System Timer (ST) required properties:
-- compatible: Should be "atmel,at91rm9200-st", "syscon", "simple-mfd"
-- reg: Should contain registers location and length
-- interrupts: Should contain interrupt for the ST which is the IRQ line
- shared across all System Controller members.
-- clocks: phandle to input clock.
-Its subnodes can be:
-- watchdog: compatible should be "atmel,at91rm9200-wdt"
-
RAMC SDRAM/DDR Controller required properties:
- compatible: Should be "atmel,at91rm9200-sdramc", "syscon"
"atmel,at91sam9260-sdramc",
diff --git a/Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml b/Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml
new file mode 100644
index 000000000000..08ee459d9fa3
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/atmel,at91rm9200-st.yaml
@@ -0,0 +1,66 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/atmel,at91rm9200-st.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Atmel System Timer (ST)
+
+maintainers:
+ - Nicolas Ferre <nicolas.ferre@microchip.com>
+ - Alexandre Belloni <alexandre.belloni@microchip.com>
+ - Claudiu Beznea <claudiu.beznea@microchip.com>
+
+description:
+ Atmel system timer integrates a period interval timer, a watchdog timer and a
+ real-time timer.
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - const: atmel,at91rm9200-st
+ - const: syscon
+ - const: simple-mfd
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ description:
+ Contain interrupt for the ST which is the IRQ line shared across all
+ system controller members.
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ watchdog:
+ $ref: ../watchdog/atmel,at91rm9200-wdt.yaml
+ description:
+ Child node describing watchdog.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/at91.h>
+
+ st: timer@fffffd00 {
+ compatible = "atmel,at91rm9200-st", "syscon", "simple-mfd";
+ reg = <0xfffffd00 0x100>;
+ interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
+ clocks = <&slow_xtal>;
+
+ watchdog {
+ compatible = "atmel,at91rm9200-wdt";
+ };
+ };
+
+...
--
2.34.1