diff mbox series

dt-bindings: rtc: Add Arm PL031 schema

Message ID 20210607193718.3090202-1-robh@kernel.org
State Accepted
Commit bb718cad0a62717cab1fd847c94623d599e05c86
Headers show
Series dt-bindings: rtc: Add Arm PL031 schema | expand

Commit Message

Rob Herring June 7, 2021, 7:37 p.m. UTC
The PL031 RTC binding has been in use for a long time, but never got
documented. Fortunately, it's simple and existing users are consistent.

Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: linux-rtc@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>

---
 .../devicetree/bindings/rtc/arm,pl031.yaml    | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rtc/arm,pl031.yaml

-- 
2.27.0

Comments

Alexandre Belloni June 7, 2021, 8:20 p.m. UTC | #1
Hello Rob,

On 07/06/2021 14:37:18-0500, Rob Herring wrote:
> The PL031 RTC binding has been in use for a long time, but never got

> documented. Fortunately, it's simple and existing users are consistent.

> 

> Cc: Alessandro Zummo <a.zummo@towertech.it>

> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>

> Cc: linux-rtc@vger.kernel.org

> Signed-off-by: Rob Herring <robh@kernel.org>

> ---

>  .../devicetree/bindings/rtc/arm,pl031.yaml    | 56 +++++++++++++++++++

>  1 file changed, 56 insertions(+)

>  create mode 100644 Documentation/devicetree/bindings/rtc/arm,pl031.yaml

> 

> diff --git a/Documentation/devicetree/bindings/rtc/arm,pl031.yaml b/Documentation/devicetree/bindings/rtc/arm,pl031.yaml

> new file mode 100644

> index 000000000000..77452c9e9b63

> --- /dev/null

> +++ b/Documentation/devicetree/bindings/rtc/arm,pl031.yaml

> @@ -0,0 +1,56 @@

> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

> +%YAML 1.2

> +---

> +$id: http://devicetree.org/schemas/rtc/arm,pl031.yaml#

> +$schema: http://devicetree.org/meta-schemas/core.yaml#

> +

> +title: Arm Primecell PL031 Real Time Clock

> +

> +select:

> +  properties:

> +    compatible:

> +      contains:

> +        const: arm,pl031

> +  required:

> +    - compatible

> +

> +allOf:

> +  - $ref: rtc.yaml#

> +

> +maintainers:

> +  - Rob Herring <robh@kernel.org>

> +

> +properties:

> +  compatible:

> +    items:

> +      - const: arm,pl031

> +      - const: arm,primecell

> +

> +  reg:

> +    maxItems: 1

> +

> +  interrupts:

> +    maxItems: 1

> +

> +  clocks:

> +    maxItems: 1

> +

> +  clock-names:

> +    maxItems: 1

> +

> +required:

> +  - compatible

> +  - reg

> +  - clocks

> +  - clock-names

> +


As the driver sets the range, it also supports start-date from rtc.yaml
With that added:
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>



-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/rtc/arm,pl031.yaml b/Documentation/devicetree/bindings/rtc/arm,pl031.yaml
new file mode 100644
index 000000000000..77452c9e9b63
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/arm,pl031.yaml
@@ -0,0 +1,56 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/arm,pl031.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Arm Primecell PL031 Real Time Clock
+
+select:
+  properties:
+    compatible:
+      contains:
+        const: arm,pl031
+  required:
+    - compatible
+
+allOf:
+  - $ref: rtc.yaml#
+
+maintainers:
+  - Rob Herring <robh@kernel.org>
+
+properties:
+  compatible:
+    items:
+      - const: arm,pl031
+      - const: arm,primecell
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    rtc@10017000 {
+        compatible = "arm,pl031", "arm,primecell";
+        reg = <0x10017000 0x1000>;
+        clocks = <&pclk>;
+        clock-names = "apb_pclk";
+    };