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From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: "Jonathan Neuschäfer" <j.neuschaefer@gmx.net>
Cc: linux-kernel@vger.kernel.org, "Lee Jones" <lee.jones@linaro.org>,
	"Rob Herring" <robh+dt@kernel.org>,
	"Thierry Reding" <thierry.reding@gmail.com>,
	"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
	"Alessandro Zummo" <a.zummo@towertech.it>,
	"Shawn Guo" <shawnguo@kernel.org>,
	"Sascha Hauer" <s.hauer@pengutronix.de>,
	"Pengutronix Kernel Team" <kernel@pengutronix.de>,
	"Fabio Estevam" <festevam@gmail.com>,
	"NXP Linux Team" <linux-imx@nxp.com>,
	"Sam Ravnborg" <sam@ravnborg.org>,
	"Linus Walleij" <linus.walleij@linaro.org>,
	"Heiko Stuebner" <heiko.stuebner@theobroma-systems.com>,
	"Stephan Gerhold" <stephan@gerhold.net>,
	"Lubomir Rintel" <lkundrak@v3.sk>,
	"Mark Brown" <broonie@kernel.org>, allen <allen.chen@ite.com.tw>,
	"Mauro Carvalho Chehab" <mchehab+huawei@kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	devicetree@vger.kernel.org, linux-pwm@vger.kernel.org,
	linux-rtc@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	"Heiko Stuebner" <heiko@sntech.de>,
	"Josua Mayer" <josua.mayer@jm0.eu>,
	"Andreas Kemnade" <andreas@kemnade.info>
Subject: Re: [RFC PATCH 07/10] dt-bindings: rtc: Add bindings for Netronix embedded controller RTC
Date: Sun, 21 Jun 2020 02:02:20 +0200
Message-ID: <20200621000220.GB131826@piout.net> (raw)
In-Reply-To: <20200620224222.1312520-6-j.neuschaefer@gmx.net>

Hi,

On 21/06/2020 00:42:18+0200, Jonathan Neuschäfer wrote:
> The Netronix EC implements an RTC with the following functionality:
> 
> - Calendar-based time keeping with single-second resolution
> - Automatic power-on with single-minute resolution
> - Alarm at single-second resolution
> 
> This binding only supports timekeeping for now.
> 
> Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
> ---
>  .../bindings/mfd/netronix,ntxec.yaml          |  7 +++++
>  .../bindings/rtc/netronix,ntxec-rtc.yaml      | 27 +++++++++++++++++++
>  2 files changed, 34 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/rtc/netronix,ntxec-rtc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml b/Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml
> index 6562c41c5a9a9..f6a32f46f47bb 100644
> --- a/Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml
> +++ b/Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml
> @@ -34,6 +34,9 @@ properties:
>    pwm:
>      $ref: ../pwm/netronix,ntxec-pwm.yaml
> 
> +  rtc:
> +    $ref: ../rtc/netronix,ntxec-rtc.yaml
> +

Shouldn't the node simply be documented here?

Also, do you really need a compatible string to be able to proe the
driver? What are the chances that you'll get a similar EC without an
RTC?

>  required:
>    - compatible
>    - reg
> @@ -61,6 +64,10 @@ examples:
>                              compatible = "netronix,ntxec-pwm";
>                              #pwm-cells = <1>;
>                      };
> +
> +                    rtc {
> +                            compatible = "netronix,ntxec-rtc";
> +                    };
>              };
>      };
> 
> diff --git a/Documentation/devicetree/bindings/rtc/netronix,ntxec-rtc.yaml b/Documentation/devicetree/bindings/rtc/netronix,ntxec-rtc.yaml
> new file mode 100644
> index 0000000000000..4b301ef7319c8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/netronix,ntxec-rtc.yaml
> @@ -0,0 +1,27 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/rtc/netronix,ntxec-rtc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: RTC functionality in Netronix embedded controller
> +
> +maintainers:
> +  - Jonathan Neuschäfer <j.neuschaefer@gmx.net>
> +
> +description: |
> +  See also Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml
> +
> +  The Netronix EC contains an RTC, which can be used for time-keeping, alarm,
> +  and automatic power-on. Note that not all of this functionality is currently
> +  supported in this binding.
> +
> +allOf:
> +  - $ref: "rtc.yaml#"
> +
> +properties:
> +  compatible:
> +    const: netronix,ntxec-rtc
> +
> +required:
> +  - compatible
> --
> 2.27.0
> 

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

  reply index

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-20 22:42 [RFC PATCH 02/10] dt-bindings: Add vendor prefix for Netronix, Inc Jonathan Neuschäfer
2020-06-20 22:42 ` [RFC PATCH 03/10] dt-bindings: mfd: Add binding for Netronix's embedded controller Jonathan Neuschäfer
2020-06-20 22:42 ` [RFC PATCH 04/10] mfd: Add base driver for Netronix " Jonathan Neuschäfer
2020-06-22 10:55   ` Lee Jones
2020-06-28  8:11     ` Jonathan Neuschäfer
2020-06-27  8:17   ` Andreas Kemnade
2020-06-28  8:29     ` Jonathan Neuschäfer
2020-06-20 22:42 ` [RFC PATCH 05/10] dt-bindings: pwm: Add bindings for PWM function in Netronix EC Jonathan Neuschäfer
2020-06-21 18:41   ` Andreas Kemnade
2020-06-20 22:42 ` [RFC PATCH 06/10] pwm: ntxec: Add driver " Jonathan Neuschäfer
2020-06-22  8:18   ` Uwe Kleine-König
2020-07-03 16:15     ` Jonathan Neuschäfer
2020-06-20 22:42 ` [RFC PATCH 07/10] dt-bindings: rtc: Add bindings for Netronix embedded controller RTC Jonathan Neuschäfer
2020-06-21  0:02   ` Alexandre Belloni [this message]
2020-06-26 21:55     ` Andreas Kemnade
2020-07-03 17:04       ` Jonathan Neuschäfer
2020-06-20 22:42 ` [RFC PATCH 08/10] rtc: New driver for RTC in Netronix embedded controller Jonathan Neuschäfer
2020-06-21  0:11   ` Alexandre Belloni
2020-07-04 19:23     ` Jonathan Neuschäfer
2020-06-20 22:42 ` [RFC PATCH 09/10] MAINTAINERS: Add entry for " Jonathan Neuschäfer
2020-06-20 22:42 ` [RFC PATCH 10/10] ARM: dts: imx50-kobo-aura: Add " Jonathan Neuschäfer
2020-06-20 22:46 ` [RFC PATCH 02/10] dt-bindings: Add vendor prefix for Netronix, Inc Jonathan Neuschäfer

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