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

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Message-Id: <20240614071932.1014067-6-claudiu.beznea.uj@bp.renesas.com>
Date: Fri, 14 Jun 2024 10:19:25 +0300
From: Claudiu <claudiu.beznea@...on.dev>
To: geert+renesas@...der.be,
	mturquette@...libre.com,
	sboyd@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	lee@...nel.org,
	alexandre.belloni@...tlin.com,
	magnus.damm@...il.com
Cc: linux-renesas-soc@...r.kernel.org,
	linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-rtc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	claudiu.beznea@...on.dev,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: [PATCH 05/12] dt-bindings: rtc: renesas,rzg3s-rtc: Document the Renesas RZ/G3S RTC

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

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

Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...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@...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@...4ec00 {
+        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