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From: Maxime Ripard <maxime.ripard@bootlin.com>
To: Frank Lee <tiny.windzz@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	devicetree <devicetree@vger.kernel.org>,
	Linux PM <linux-pm@vger.kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Eduardo Valentin <edubezval@gmail.com>,
	Chen-Yu Tsai <wens@csie.org>, Rob Herring <robh+dt@kernel.org>,
	Jonathan.Cameron@huawei.com,
	Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
	rui.zhang@intel.com, David Miller <davem@davemloft.net>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v5 02/18] dt-bindings: thermal: add binding document for h6 thermal controller
Date: Fri, 16 Aug 2019 11:47:36 +0200
Message-ID: <20190816094736.cbxkqk7q2jvvp7c7@flea> (raw)
In-Reply-To: <CAEExFWswLiFknVpBEKF9c5yoFvvA4np-ivWYkQLcteYoM8qjfg@mail.gmail.com>

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On Tue, Aug 13, 2019 at 07:40:44AM +0800, Frank Lee wrote:
> On Mon, Aug 12, 2019 at 4:56 PM Maxime Ripard <maxime.ripard@bootlin.com> wrote:
> >
> > On Sat, Aug 10, 2019 at 05:28:13AM +0000, Yangtao Li wrote:
> > > This patch adds binding document for allwinner h6 thermal controller.
> > >
> > > Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
> > > ---
> > >  .../bindings/thermal/sun8i-thermal.yaml       | 79 +++++++++++++++++++
> > >  1 file changed, 79 insertions(+)
> > >  create mode 100644 Documentation/devicetree/bindings/thermal/sun8i-thermal.yaml
> > >
> > > diff --git a/Documentation/devicetree/bindings/thermal/sun8i-thermal.yaml b/Documentation/devicetree/bindings/thermal/sun8i-thermal.yaml
> > > new file mode 100644
> > > index 000000000000..e0973199ba3c
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/thermal/sun8i-thermal.yaml
> >
> > We've used so far for the schemas the first compatible to introduce
> > that controller as the filename, we should be consistent here. In that
> > case that would be allwinner,sun8i-a23-ths.yaml
> >
> > > @@ -0,0 +1,79 @@
> > > +# SPDX-License-Identifier: GPL-2.0
> > > +%YAML 1.2
> > > +---
> > > +$id: http://devicetree.org/schemas/thermal/sun8i-thermal.yaml#
> > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > +
> > > +title: Allwinner SUN8I Thermal Controller Device Tree Bindings
> > > +
> > > +maintainers:
> > > +  - Yangtao Li <tiny.windzz@gmail.com>
> > > +
> > > +description: |-
> > > +  This describes the device tree binding for the Allwinner thermal
> > > +  controller which measures the on-SoC temperatures.
> > > +
> > > +properties:
> > > +  compatible:
> > > +    enum:
> > > +      - allwinner,sun50i-h6-ths
> > > +
> > > +  reg:
> > > +    maxItems: 1
> > > +
> > > +  interrupts:
> > > +    maxItems: 1
> > > +
> > > +  resets:
> > > +    maxItems: 1
> > > +
> > > +  clocks:
> > > +    maxItems: 1
> > > +
> > > +  clock-names:
> > > +    const: bus
> > > +
> > > +  "#thermal-sensor-cells":
> > > +    const: 1
> > > +
> > > +  nvmem-cells:
> >
> > You need a maxItems here too
> >
> > > +    description: ths calibrate data
> >
> > What about something like this:
> >
> > Calibration data for the thermal sensor
> >
> > > +
> > > +  nvmem-cell-names:
> > > +    const: calib
> >
> > I'm not sure we need a abbreviation here, calibration would be more
> > explicit
> >
> > > +
> > > +required:
> > > +  - compatible
> > > +  - reg
> > > +  - reset
> > > +  - clocks
> > > +  - clock-names
> > > +  - interrupts
> > > +  - "#thermal-sensor-cells"
> > > +
> > > +additionalProperties: false
> > > +
> > > +examples:
> > > +  - |
> > > +    ths: ths@5070400 {
> > > +        compatible = "allwinner,sun50i-h6-ths";
> > > +        reg = <0x05070400 0x100>;
> > > +        clocks = <&ccu CLK_BUS_THS>;
> > > +        clock-names = "bus";
> > > +        resets = <&ccu RST_BUS_THS>;
> > > +        interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
> >
> > Those examples won't compile.
>
> Emmm, I have some questions about this.
> I added this information and it can be compiled.

With your patch applied,

$ ARCH=arm DT_SCHEMA_FILES=Documentation/devicetree/bindings/thermal/sun8i-thermal.yaml make -j4 dt_binding_check
  CHKDT   Documentation/devicetree/bindings/thermal/sun8i-thermal.yaml
  DTC     Documentation/devicetree/bindings/thermal/sun8i-thermal.example.dt.yaml
Error: Documentation/devicetree/bindings/thermal/sun8i-thermal.example.dts:20.28-29 syntax error
FATAL ERROR: Unable to parse input tree
make[2]: *** [scripts/Makefile.lib:299: Documentation/devicetree/bindings/thermal/sun8i-thermal.example.dt.yaml] Error 1
make[1]: *** [/home/max/Work/src/linux/Makefile:1286: dt_binding_check] Error 2
make: *** [/home/max/Work/src/linux/Makefile:179: sub-make] Error 2

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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  reply index

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-10  5:28 [PATCH v5 00/18] add thermal driver for h6 Yangtao Li
2019-08-10  5:28 ` [PATCH v5 01/18] thermal: sun8i: " Yangtao Li
2019-09-01  2:06   ` Ondřej Jirman
2019-09-01 21:04   ` Ondřej Jirman
2019-08-10  5:28 ` [PATCH v5 02/18] dt-bindings: thermal: add binding document for h6 thermal controller Yangtao Li
2019-08-12  8:56   ` Maxime Ripard
2019-08-12 23:40     ` Frank Lee
2019-08-16  9:47       ` Maxime Ripard [this message]
2019-08-10  5:28 ` [PATCH v5 03/18] thermal: fix indentation in makefile Yangtao Li
2019-08-28 12:40   ` Zhang Rui
2019-08-10  5:28 ` [PATCH v5 04/18] thermal: sun8i: get ths sensor number from device compatible Yangtao Li
2019-08-10  5:28 ` [PATCH v5 05/18] thermal: sun8i: rework for sun8i_ths_get_temp() Yangtao Li
2019-08-10  5:28 ` [PATCH v5 06/18] thermal: sun8i: get ths init func from device compatible Yangtao Li
2019-08-10  5:28 ` [PATCH v5 07/18] thermal: sun8i: rework for ths irq handler func Yangtao Li
2019-08-10  5:28 ` [PATCH v5 08/18] thermal: sun8i: support mod clocks Yangtao Li
2019-08-10  6:16   ` Vasily Khoruzhick
2019-08-12 23:46     ` Frank Lee
2019-08-12 23:54       ` Vasily Khoruzhick
2019-08-13 20:06         ` Ondřej Jirman
2019-08-14  3:01           ` Vasily Khoruzhick
2019-08-25 16:14             ` Frank Lee
2019-08-10  5:28 ` [PATCH v5 09/18] thermal: sun8i: rework for ths calibrate func Yangtao Li
2019-08-28 12:45   ` Zhang Rui
2019-08-10  5:28 ` [PATCH v5 10/18] dt-bindings: thermal: add binding document for h3 thermal controller Yangtao Li
2019-08-27 15:26   ` Rob Herring
2019-08-10  5:28 ` [PATCH v5 11/18] thermal: sun8i: add thermal driver for h3 Yangtao Li
2019-08-10  5:28 ` [PATCH v5 12/18] dt-bindings: thermal: add binding document for a64 thermal controller Yangtao Li
2019-08-27 15:26   ` Rob Herring
2019-08-10  5:28 ` [PATCH v5 13/18] thermal: sun8i: add thermal driver for A64 Yangtao Li
2019-08-10  5:28 ` [PATCH v5 14/18] dt-bindings: thermal: add binding document for h5 thermal controller Yangtao Li
2019-08-27 15:27   ` Rob Herring
2019-08-10  5:28 ` [PATCH v5 15/18] thermal: sun8i: allow to use custom temperature calculation function Yangtao Li
2019-08-12  8:49   ` Maxime Ripard
2019-08-10  5:28 ` [PATCH v5 16/18] thermal: sun8i: add support for Allwinner H5 thermal sensor Yangtao Li
2019-08-10  5:28 ` [PATCH v5 17/18] dt-bindings: thermal: add binding document for r40 thermal controller Yangtao Li
2019-08-27 15:27   ` Rob Herring
2019-08-10  5:28 ` [PATCH v5 18/18] thermal: sun8i: add support for Allwinner R40 thermal sensor Yangtao Li
2019-08-11 21:14 ` [PATCH v5 00/18] add thermal driver for h6 Clément Péron
2019-08-12 23:36   ` Frank Lee
2019-09-01 21:52 ` Ondřej Jirman
2019-09-02  7:27   ` Maxime Ripard
2019-09-02 10:58     ` Ondřej Jirman

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