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From: Linus Walleij <linus.walleij@linaro.org>
To: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: "Rob Herring" <robh+dt@kernel.org>,
	"Laurent Pinchart" <laurent.pinchart+renesas@ideasonboard.com>,
	"Bartosz Golaszewski" <bgolaszewski@baylibre.com>,
	"Benoît Cousson" <bcousson@baylibre.com>,
	"Tony Lindgren" <tony@atomide.com>,
	"Jan Tuerk" <jan.tuerk@emtrion.com>,
	"Shawn Guo" <shawnguo@kernel.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
	<devicetree@vger.kernel.org>,
	"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	Linux-OMAP <linux-omap@vger.kernel.org>,
	"Linux ARM" <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 3/3] dt-bindings: gpio: pcf857x: Convert to json-schema
Date: Fri, 21 May 2021 12:04:12 +0200	[thread overview]
Message-ID: <CACRpkdbQE1-WgD_BBkHx9DvJ=GfW7-PCoF-73TKGpgh4c6Epxw@mail.gmail.com> (raw)
In-Reply-To: <52df0592c81ac000d3f486a9ba5a4d84b0f42c47.1621583562.git.geert+renesas@glider.be>

On Fri, May 21, 2021 at 9:54 AM Geert Uytterhoeven
<geert+renesas@glider.be> wrote:

> Convert the PCF857x-compatible I/O expanders Device Tree binding
> documentation to json-schema.
>
> Document missing compatible values, properties, and gpio hogs.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

(...)
> Perhaps the "ti,pcf8575" construct should be removed, and the few users
> fixed instead?

You would rather list it as deprecated I think?
It is ABI...

> +  gpio-controller: true

So this is implicitly using the generic schema in
/dtschema/schemas/gpio/gpio.yaml

> +  lines-initial-states:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description:
> +      Bitmask that specifies the initial state of each line.
> +      When a bit is set to zero, the corresponding line will be initialized to
> +      the input (pulled-up) state.
> +      When the  bit is set to one, the line will be initialized to the
> +      low-level output state.
> +      If the property is not specified all lines will be initialized to the
> +      input state.

Is this something we standardized or something that should
actually be a custom "nxp," property we just missed it?
(Looks like the latter... oh well, now it is there.)

> +patternProperties:
> +  "^(hog-[0-9]+|.+-hog(-[0-9]+)?)$":
> +    type: object

But this is already in
/dtschema/schemas/gpio/gpio-hog.yaml
for nodename, isn't that where it properly belongs?

I'm however confused here Rob will know what to do.

> required:
>   - gpio-hog
>   - gpios

This is already in
/dtschema/schemas/gpio/gpio-hog.yaml
as well?

Yours,
Linus Walleij

WARNING: multiple messages have this Message-ID
From: Linus Walleij <linus.walleij@linaro.org>
To: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: "Rob Herring" <robh+dt@kernel.org>,
	"Laurent Pinchart" <laurent.pinchart+renesas@ideasonboard.com>,
	"Bartosz Golaszewski" <bgolaszewski@baylibre.com>,
	"Benoît Cousson" <bcousson@baylibre.com>,
	"Tony Lindgren" <tony@atomide.com>,
	"Jan Tuerk" <jan.tuerk@emtrion.com>,
	"Shawn Guo" <shawnguo@kernel.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
	<devicetree@vger.kernel.org>,
	"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	Linux-OMAP <linux-omap@vger.kernel.org>,
	"Linux ARM" <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 3/3] dt-bindings: gpio: pcf857x: Convert to json-schema
Date: Fri, 21 May 2021 12:04:12 +0200	[thread overview]
Message-ID: <CACRpkdbQE1-WgD_BBkHx9DvJ=GfW7-PCoF-73TKGpgh4c6Epxw@mail.gmail.com> (raw)
In-Reply-To: <52df0592c81ac000d3f486a9ba5a4d84b0f42c47.1621583562.git.geert+renesas@glider.be>

On Fri, May 21, 2021 at 9:54 AM Geert Uytterhoeven
<geert+renesas@glider.be> wrote:

> Convert the PCF857x-compatible I/O expanders Device Tree binding
> documentation to json-schema.
>
> Document missing compatible values, properties, and gpio hogs.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

(...)
> Perhaps the "ti,pcf8575" construct should be removed, and the few users
> fixed instead?

You would rather list it as deprecated I think?
It is ABI...

> +  gpio-controller: true

So this is implicitly using the generic schema in
/dtschema/schemas/gpio/gpio.yaml

> +  lines-initial-states:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description:
> +      Bitmask that specifies the initial state of each line.
> +      When a bit is set to zero, the corresponding line will be initialized to
> +      the input (pulled-up) state.
> +      When the  bit is set to one, the line will be initialized to the
> +      low-level output state.
> +      If the property is not specified all lines will be initialized to the
> +      input state.

Is this something we standardized or something that should
actually be a custom "nxp," property we just missed it?
(Looks like the latter... oh well, now it is there.)

> +patternProperties:
> +  "^(hog-[0-9]+|.+-hog(-[0-9]+)?)$":
> +    type: object

But this is already in
/dtschema/schemas/gpio/gpio-hog.yaml
for nodename, isn't that where it properly belongs?

I'm however confused here Rob will know what to do.

> required:
>   - gpio-hog
>   - gpios

This is already in
/dtschema/schemas/gpio/gpio-hog.yaml
as well?

Yours,
Linus Walleij

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2021-05-21 10:04 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-21  7:54 [PATCH 0/3] pcf857x: DTS fixes and DT binding to json-schema conversion Geert Uytterhoeven
2021-05-21  7:54 ` Geert Uytterhoeven
2021-05-21  7:54 ` [PATCH 1/3] ARM: dts: dra7x-evm: Align GPIO hog names with dt-schema Geert Uytterhoeven
2021-05-21  7:54   ` Geert Uytterhoeven
2021-05-23  1:54   ` Laurent Pinchart
2021-05-23  1:54     ` Laurent Pinchart
2021-05-27 12:02   ` Tony Lindgren
2021-05-27 12:02     ` Tony Lindgren
2021-05-21  7:54 ` [PATCH 2/3] ARM: dts: imx: emcon-avari: Fix nxp,pca8574 #gpio-cells Geert Uytterhoeven
2021-05-21  7:54   ` Geert Uytterhoeven
2021-05-23  1:55   ` Laurent Pinchart
2021-05-23  1:55     ` Laurent Pinchart
2021-05-23  5:42   ` Shawn Guo
2021-05-23  5:42     ` Shawn Guo
2021-05-21  7:54 ` [PATCH 3/3] dt-bindings: gpio: pcf857x: Convert to json-schema Geert Uytterhoeven
2021-05-21  7:54   ` Geert Uytterhoeven
2021-05-21 10:04   ` Linus Walleij [this message]
2021-05-21 10:04     ` Linus Walleij
2021-05-21 10:23     ` Geert Uytterhoeven
2021-05-21 10:23       ` Geert Uytterhoeven
2021-05-21 18:24       ` Rob Herring
2021-05-21 18:24         ` Rob Herring
2021-05-27 15:04         ` Geert Uytterhoeven
2021-05-27 15:04           ` Geert Uytterhoeven
2021-05-23  1:52   ` Laurent Pinchart
2021-05-23  1:52     ` Laurent Pinchart
2021-05-27 14:43     ` Geert Uytterhoeven
2021-05-27 14:43       ` Geert Uytterhoeven

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