* [PATCH] dt-bindings: rtc: Add Arm PL031 schema
@ 2021-06-07 19:37 Rob Herring
2021-06-07 20:20 ` Alexandre Belloni
0 siblings, 1 reply; 2+ messages in thread
From: Rob Herring @ 2021-06-07 19:37 UTC (permalink / raw)
To: Alexandre Belloni; +Cc: devicetree, linux-kernel, Alessandro Zummo, linux-rtc
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:
+ - $ref: rtc.yaml#
+
+maintainers:
+ - Rob Herring <robh@kernel.org>
+
+properties:
+ compatible:
+ items:
+ - const: arm,pl031
+ - const: arm,primecell
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+
+additionalProperties: false
+
+examples:
+ - |
+ rtc@10017000 {
+ compatible = "arm,pl031", "arm,primecell";
+ reg = <0x10017000 0x1000>;
+ clocks = <&pclk>;
+ clock-names = "apb_pclk";
+ };
--
2.27.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] dt-bindings: rtc: Add Arm PL031 schema
2021-06-07 19:37 [PATCH] dt-bindings: rtc: Add Arm PL031 schema Rob Herring
@ 2021-06-07 20:20 ` Alexandre Belloni
0 siblings, 0 replies; 2+ messages in thread
From: Alexandre Belloni @ 2021-06-07 20:20 UTC (permalink / raw)
To: Rob Herring; +Cc: devicetree, linux-kernel, Alessandro Zummo, linux-rtc
Hello Rob,
On 07/06/2021 14:37:18-0500, Rob Herring wrote:
> The PL031 RTC binding has been in use for a long time, but never got
> documented. Fortunately, it's simple and existing users are consistent.
>
> Cc: Alessandro Zummo <a.zummo@towertech.it>
> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
> Cc: linux-rtc@vger.kernel.org
> Signed-off-by: Rob Herring <robh@kernel.org>
> ---
> .../devicetree/bindings/rtc/arm,pl031.yaml | 56 +++++++++++++++++++
> 1 file changed, 56 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/rtc/arm,pl031.yaml
>
> diff --git a/Documentation/devicetree/bindings/rtc/arm,pl031.yaml b/Documentation/devicetree/bindings/rtc/arm,pl031.yaml
> new file mode 100644
> index 000000000000..77452c9e9b63
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/arm,pl031.yaml
> @@ -0,0 +1,56 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$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
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2021-06-07 20:20 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-06-07 19:37 [PATCH] dt-bindings: rtc: Add Arm PL031 schema Rob Herring
2021-06-07 20:20 ` Alexandre Belloni
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.