[PATCH 1/7] dt-bindings: rtc: rzn1: Describe the RZN1 RTC

From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Alessandro Zummo <a.zummo@towertech.it>,
	Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Rob Herring <robh+dt@kernel.org>,
	devicetree@vger.kernel.org,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	linux-renesas-soc@vger.kernel.org,
	Magnus Damm <magnus.damm@gmail.com>,
	Gareth Williams <gareth.williams.jx@renesas.com>,
	Phil Edworthy <phil.edworthy@renesas.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Stephen Boyd <sboyd@kernel.org>,
	Michael Turquette <mturquette@baylibre.com>,
	linux-clk@vger.kernel.org,
	Milan Stevanovic <milan.stevanovic@se.com>,
	Jimmy Lalande <jimmy.lalande@se.com>,
	Pascal Eberhard <pascal.eberhard@se.com>,
	Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
	Herve Codina <herve.codina@bootlin.com>,
	Clement Leger <clement.leger@bootlin.com>,
	linux-rtc@vger.kernel.org,
	Miquel Raynal <miquel.raynal@bootlin.com>
Subject: [PATCH 1/7] dt-bindings: rtc: rzn1: Describe the RZN1 RTC
Date: Tue,  5 Apr 2022 20:47:10 +0200	[thread overview]
Message-ID: <20220405184716.1578385-2-miquel.raynal@bootlin.com> (raw)
In-Reply-To: <20220405184716.1578385-1-miquel.raynal@bootlin.com>

Add new binding file for this RTC.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
---
 .../bindings/rtc/renesas,rzn1-rtc.yaml        | 69 +++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/renesas,rzn1-rtc.yaml

diff --git a/Documentation/devicetree/bindings/rtc/renesas,rzn1-rtc.yaml b/Documentation/devicetree/bindings/rtc/renesas,rzn1-rtc.yaml
new file mode 100644
index 000000000000..903f0cd361fa
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/renesas,rzn1-rtc.yaml
@@ -0,0 +1,69 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/renesas,rzn1-rtc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas RZ/N1 SoCs Real-Time Clock DT bindings
+
+maintainers:
+  - Miquel Raynal <miquel.raynal@bootlin.com>
+
+allOf:
+  - $ref: rtc.yaml#
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - renesas,r9a06g032-rtc
+          - const: renesas,rzn1-rtc
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    minItems: 3
+    maxItems: 3
+
+  interrupt-names:
+    items:
+      - const: alarm
+      - const: timer
+      - const: pps
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: hclk
+
+  start-year: true
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - interrupt-names
+  - clocks
+  - clock-names
+  - start-year
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/r9a06g032-sysctrl.h>
+    rtc@40006000 {
+       compatible = "renesas,r9a06g032-rtc", "renesas,rzn1-rtc";
+       reg = <0x40006000 0x1000>;
+       interrupts = <GIC_SPI 66 IRQ_TYPE_EDGE_RISING>,
+                    <GIC_SPI 67 IRQ_TYPE_EDGE_RISING>,
+                    <GIC_SPI 68 IRQ_TYPE_EDGE_RISING>;
+       interrupt-names = "alarm", "timer", "pps";
+       clocks = <&sysctrl R9A06G032_HCLK_RTC>;
+       clock-names = "hclk";
+       start-year = <2000>;
+     };
-- 
2.27.0

