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

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Message-ID: <1039f02d-ca89-438c-b1dd-f49c2ffed6ff@amlogic.com>
Date: Mon, 26 Aug 2024 10:36:42 +0800
From: Xianwei Zhao <xianwei.zhao@...ogic.com>
To: Conor Dooley <conor@...nel.org>
Cc: Yiting Deng <yiting.deng@...ogic.com>,
 Alexandre Belloni <alexandre.belloni@...tlin.com>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, linux-amlogic@...ts.infradead.org,
 linux-rtc@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] dt-bindings: rtc: Add Amlogic A311L2 and A113X2 rtc

Hi Conor,
    Thanks for your reply.

On 2024/8/23 23:51, Conor Dooley wrote:
> Subject:
> Re: [PATCH 1/3] dt-bindings: rtc: Add Amlogic A311L2 and A113X2 rtc
> From:
> Conor Dooley <conor@...nel.org>
> Date:
> 2024/8/23 23:51
> 
> To:
> xianwei.zhao@...ogic.com
> CC:
> Yiting Deng <yiting.deng@...ogic.com>, Alexandre Belloni 
> <alexandre.belloni@...tlin.com>, Rob Herring <robh@...nel.org>, 
> Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley 
> <conor+dt@...nel.org>, linux-amlogic@...ts.infradead.org, 
> linux-rtc@...r.kernel.org, devicetree@...r.kernel.org, 
> linux-kernel@...r.kernel.org
> 
> 
> On Fri, Aug 23, 2024 at 05:19:44PM +0800, Xianwei Zhao via B4 Relay wrote:
>> From: Yiting Deng<yiting.deng@...ogic.com>
>>
>> Add documentation describing the Amlogic A113L2 and A113X2 rtc controller.
>>
>> Signed-off-by: Yiting Deng<yiting.deng@...ogic.com>
>> Signed-off-by: Xianwei Zhao<xianwei.zhao@...ogic.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.
> 

Will do, modify the name to "amlogic,a4-rtc.yaml".

>> @@ -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@...ogic.com>
>> +  - Xianwei Zhao<xianwei.zhao@...ogic.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?
> 

Will modify description to "Add Amlogic A4(A311L2) and A5(A113X2) rtc".

>> +
>> +  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.
> 

Will do.

>> +
>> +  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@...00 {
> And the label here can go, you've got no references to it 🙂
> 

Will delte rtc  label.

> 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