[PATCH 05/12] dt-bindings: rtc: renesas,rzg3s-rtc: Document the Renesas RZ/G3S RTC

Claudiu
2024-06-14T07:20:19Z

From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>

Document the RTC IP (RTCA-3) available on the Renesas RZ/G3S SoC.

Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
---
.../bindings/rtc/renesas,rzg3s-rtc.yaml | 60 +++++++++++++++++++
1 file changed, 60 insertions(+)
create mode 100644 Documentation/devicetree/bindings/rtc/renesas,rzg3s-rtc.yaml

diff --git a/Documentation/devicetree/bindings/rtc/renesas,rzg3s-rtc.yaml b/Documentation/devicetree/bindings/rtc/renesas,rzg3s-rtc.yaml
new file mode 100644
index 000000000000..0e17f8a36155
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/renesas,rzg3s-rtc.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/renesas,rzg3s-rtc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Real Time Clock for Renesas RZ/G3S SoC
+
+maintainers:
+ - Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
+
+properties:
+ compatible:
+ const: renesas,rzg3s-rtc
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 3
+
+ interrupt-names:
+ items:
+ - const: alarm
+ - const: period
+ - const: carry
+
+ clocks:
+ maxItems: 1
+ description: RTC counter clock
+
+ clock-names:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-names
+ - clocks
+ - clock-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ rtc: rtc@1004ec00 {
+ compatible = "renesas,rzg3s-rtc";
+ reg = <0x1004ec00 0x400>;
+ interrupts = <GIC_SPI 315 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 316 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "alarm", "period", "carry";
+ clocks = <&vbattclk>;
+ clock-names = "counter";
+ status = "disabled";
+ };
--
2.39.2