[PATCH 1/3] dt-bindings: rtc: Add Amlogic A311L2 and A113X2 rtc

Conor Dooley conor at kernel.org
Fri Aug 23 08:51:08 PDT 2024


On Fri, Aug 23, 2024 at 05:19:44PM +0800, Xianwei Zhao via B4 Relay wrote:
> From: Yiting Deng <yiting.deng at amlogic.com>
> 
> Add documentation describing the Amlogic A113L2 and A113X2 rtc controller.
> 
> Signed-off-by: Yiting Deng <yiting.deng at amlogic.com>
> Signed-off-by: Xianwei Zhao <xianwei.zhao at amlogic.com>
> ---
>  .../bindings/rtc/amlogic,amlogic-rtc.yaml          | 66 ++++++++++++++++++++++
>  1 file changed, 66 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/rtc/amlogic,amlogic-rtc.yaml b/Documentation/devicetree/bindings/rtc/amlogic,amlogic-rtc.yaml
> new file mode 100644
> index 000000000000..fa3d7838022e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/amlogic,amlogic-rtc.yaml

Filename matching a compatible please.

> @@ -0,0 +1,66 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (C) 2024 Amlogic, Inc. All rights reserved
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/rtc/amlogic,amlogic-rtc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Amlogic Real Time Clock controller include a4, a5
> +
> +maintainers:
> +  - Yiting Deng <yiting.deng at amlogic.com>
> +  - Xianwei Zhao <xianwei.zhao at amlogic.com>
> +
> +description:
> +  The Amlogic new chips used RTC module.
> +
> +allOf:
> +  - $ref: rtc.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - amlogic,a4-rtc
> +      - amlogic,a5-rtc

The names you have chosen here do not match the patch description. What
is going on there?

> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: RTC clock source, available 24M or 32K crystal
> +          oscillator source. when using 24M, need to divide 24M into 32K.
> +      - description: RTC module accesses the clock of the apb bus.
> +
> +  clock-names:
> +    items:
> +      - const: rtc_osc
> +      - const: rtc_sys_clk

s/_clk//, they're all clocks.

> +
> +  interrupts:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - interrupts
> +  - reg
> +  - clocks
> +  - clock-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    apb {
> +        #address-cells = <2>;
> +        #size-cells = <2>;
> +
> +        rtc: rtc at 8e600 {

And the label here can go, you've got no references to it :)

Thanks,
Conor.

> +            compatible = "amlogic,a4-rtc";
> +            interrupts = <GIC_SPI 131 IRQ_TYPE_EDGE_RISING>;
> +            reg = <0x0 0x8e600 0x0 0x38>;
> +            clocks = <&xtal_32k>, <&clkc_periphs 1>;
> +            clock-names = "rtc_osc", "rtc_sys_clk";
> +        };
> +    };
> 
> -- 
> 2.37.1
> 
> 
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