linux-kernel - [PATCH 07/13] dt-bindings: rtc: add bindings for microchip mpfs rtc

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Message-ID: <20211108150554.4457-8-conor.dooley@microchip.com>
Date:   Mon, 8 Nov 2021 15:05:48 +0000
From:   <conor.dooley@...rochip.com>
To:     <linus.walleij@...aro.org>, <bgolaszewski@...libre.com>,
        <robh+dt@...nel.org>, <jassisinghbrar@...il.com>,
        <paul.walmsley@...ive.com>, <palmer@...belt.com>,
        <aou@...s.berkeley.edu>, <a.zummo@...ertech.it>,
        <alexandre.belloni@...tlin.com>, <broonie@...nel.org>,
        <gregkh@...uxfoundation.org>, <lewis.hanly@...rochip.com>,
        <conor.dooley@...rochip.com>, <daire.mcnamara@...rochip.com>,
        <atish.patra@....com>, <ivan.griffin@...rochip.com>,
        <linux-gpio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-i2c@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>, <linux-crypto@...r.kernel.org>,
        <linux-rtc@...r.kernel.org>, <linux-spi@...r.kernel.org>,
        <linux-usb@...r.kernel.org>
CC:     <krzysztof.kozlowski@...onical.com>, <geert@...ux-m68k.org>,
        <bin.meng@...driver.com>
Subject: [PATCH 07/13] dt-bindings: rtc: add bindings for microchip mpfs rtc

From: Conor Dooley <conor.dooley@...rochip.com>

Add device tree bindings for the real time clock on
the Microchip PolarFire SoC.

Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
Signed-off-by: Daire McNamara <daire.mcnamara@...rochip.com>
---
 .../bindings/rtc/microchip,mfps-rtc.yaml      | 61 +++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/microchip,mfps-rtc.yaml

diff --git a/Documentation/devicetree/bindings/rtc/microchip,mfps-rtc.yaml b/Documentation/devicetree/bindings/rtc/microchip,mfps-rtc.yaml
new file mode 100644
index 000000000000..c82b3e7351e0
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/microchip,mfps-rtc.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/microchip,mfps-rtc.yaml#
+
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip PolarFire Soc (MPFS) RTC Device Tree Bindings
+
+allOf:
+  - $ref: "rtc.yaml#"
+
+maintainers:
+  - Daire McNamara <daire.mcnamara@...rochip.com>
+  - Lewis Hanly <lewis.hanly@...rochip.com>
+
+properties:
+  compatible:
+    enum:
+      - microchip,mpfs-rtc
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  prescaler:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: rtc
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/microchip,mpfs-clock.h>
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+        rtc@...24000 {
+            compatible = "microchip,mpfs-rtc";
+            reg = <0 0x20124000 0 0x1000>;
+            clocks = <&clkcfg CLK_RTC>;
+            clock-names = "rtc";
+            interrupts = <80>;
+        };
+    };
+...
-- 
2.33.1