linux-kernel - Re: [PATCH 05/12] dt-bindings: rtc: renesas,rzg3s-rtc: Document the Renesas RZ/G3S RTC

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Date: Mon, 17 Jun 2024 10:19:55 +0300
From: claudiu beznea <claudiu.beznea@...on.dev>
To: Conor Dooley <conor@...nel.org>
Cc: geert+renesas@...der.be, mturquette@...libre.com, sboyd@...nel.org,
 robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, lee@...nel.org,
 alexandre.belloni@...tlin.com, magnus.damm@...il.com,
 linux-renesas-soc@...r.kernel.org, linux-clk@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-rtc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: Re: [PATCH 05/12] dt-bindings: rtc: renesas,rzg3s-rtc: Document the
 Renesas RZ/G3S RTC



On 15.06.2024 15:20, Conor Dooley wrote:
> On Fri, Jun 14, 2024 at 10:19:25AM +0300, Claudiu wrote:
>> From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
>>
>> Document the RTC IP (RTCA-3) available on the Renesas RZ/G3S SoC.
>>
>> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
>> ---
>>  .../bindings/rtc/renesas,rzg3s-rtc.yaml       | 60 +++++++++++++++++++
>>  1 file changed, 60 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/rtc/renesas,rzg3s-rtc.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/rtc/renesas,rzg3s-rtc.yaml b/Documentation/devicetree/bindings/rtc/renesas,rzg3s-rtc.yaml
>> new file mode 100644
>> index 000000000000..0e17f8a36155
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/rtc/renesas,rzg3s-rtc.yaml
>> @@ -0,0 +1,60 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/rtc/renesas,rzg3s-rtc.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Real Time Clock for Renesas RZ/G3S SoC
>> +
>> +maintainers:
>> +  - Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
>> +
> 
> Missing a ref to adc.yaml,

I guess you mean rtc.yaml?

I missed that rtc.yaml. I'll update it.

> or can this rtc not serve as a wakeup-source
> or use any of the common properties?

It can act as wakeup-source but not for all the supported power save modes.

> 
> Cheers,
> Conor.
> 
>> +properties:
>> +  compatible:
>> +    const: renesas,rzg3s-rtc
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  interrupts:
>> +    maxItems: 3
>> +
>> +  interrupt-names:
>> +    items:
>> +      - const: alarm
>> +      - const: period
>> +      - const: carry
>> +
>> +  clocks:
>> +    maxItems: 1
>> +    description: RTC counter clock
>> +
>> +  clock-names:
>> +    maxItems: 1
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - interrupts
>> +  - interrupt-names
>> +  - clocks
>> +  - clock-names
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
>> +    #include <dt-bindings/interrupt-controller/irq.h>
>> +
>> +    rtc: rtc@...4ec00 {
>> +        compatible = "renesas,rzg3s-rtc";
>> +        reg = <0x1004ec00 0x400>;
>> +        interrupts = <GIC_SPI 315 IRQ_TYPE_LEVEL_HIGH>,
>> +                     <GIC_SPI 316 IRQ_TYPE_LEVEL_HIGH>,
>> +                     <GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH>;
>> +        interrupt-names = "alarm", "period", "carry";
>> +        clocks = <&vbattclk>;
>> +        clock-names = "counter";
>> +        status = "disabled";
>> +    };
>> -- 
>> 2.39.2
>>