linux-kernel - Re: [PATCH v6 1/2] dt-bindings: rtc: add device-tree bindings for the Amlogic Meson RTC

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Message-ID: <20190206223057.GB4719@piout.net>
Date:   Wed, 6 Feb 2019 23:30:57 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc:     linux-amlogic@...ts.infradead.org, linux-rtc@...r.kernel.org,
        a.zummo@...ertech.it, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, ben.dooks@...ethink.co.uk,
        ccaione@...libre.com
Subject: Re: [PATCH v6 1/2] dt-bindings: rtc: add device-tree bindings for
 the Amlogic Meson RTC

Hi,

On 19/01/2019 15:43:31+0100, Martin Blumenstingl wrote:
> The 32-bit Amlogic Meson SoCs (Meson6, Meson8, Meson8b and Meson8m2)
> have a built-in RTC block.
> It has the following inputs:
> - an 32.768kHz crystal oscillator
> - an interrupt line
> - a reset line
> - 0.9V voltage input
> 
> Signed-off-by: Ben Dooks <ben.dooks@...ethink.co.uk>
> [resurrected patches from Ben after 2 years]
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
> ---
>  .../devicetree/bindings/rtc/rtc-meson.txt     | 32 +++++++++++++++++++
>  1 file changed, 32 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/rtc/rtc-meson.txt
> 
> diff --git a/Documentation/devicetree/bindings/rtc/rtc-meson.txt b/Documentation/devicetree/bindings/rtc/rtc-meson.txt
> new file mode 100644
> index 000000000000..23df3cf2dd73
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/rtc-meson.txt
> @@ -0,0 +1,32 @@
> +* Amlogic Meson6, Meson8, Meson8b and Meson8m2 RTC
> +
> +Required properties:
> +- compatible: should be one of the following describing the hardware:
> +	* "amlogic,meson6-rtc"
> +	* "amlogic,meson8-rtc"
> +	* "amlogic,meson8b-rtc"
> +	* "amlogic,meson8m2-rtc"
> +
> +- reg: physical register space for the controller's memory mapped registers.
> +- interrupts: the interrupt line of the RTC block.
> +- clocks: reference to the external 32.768kHz crystal oscillator.
> +- vdd-supply: reference to the power supply of the RTC block.
> +- resets: reset controller reference to allow reset of the controller
> +
> +Optional properties:
> +- #address-cells: should be 1 to address the internal non-volatile memory
> +- #address-cells: should be 1 to reference the internal non-volatile memory

Shouldn't that one be #size-cells ?

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com