linux-kernel - Re: [PATCH v2 1/4] dt-bindings: nvmem: new optional property write-protect-gpios

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Message-ID: <CACRpkdZb6OppcdCcaQ9abdkDJMk4escyyEm1TMB75rRxoN5e2A@mail.gmail.com>
Date:   Mon, 16 Dec 2019 09:08:17 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Khouloud Touil <ktouil@...libre.com>
Cc:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        baylibre-upstreaming@...ups.io,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, linux-i2c <linux-i2c@...r.kernel.org>
Subject: Re: [PATCH v2 1/4] dt-bindings: nvmem: new optional property write-protect-gpios

On Tue, Dec 10, 2019 at 4:42 PM Khouloud Touil <ktouil@...libre.com> wrote:

> +  wp-gpios:
> +    description:
> +      GPIO to which the write-protect pin of the chip is connected.
> +      The write-protect GPIO is asserted, when it's driven high
> +      (logical '1') to block the write operation. It's deasserted,
> +      when it's driven low (logical '0') to allow writing.
> +    maxItems: 1

OK I guess we can't get it less convoluted. This section is consistent.

>  patternProperties:
>    "^.*@[0-9a-f]+$":
>      type: object
> @@ -66,6 +74,7 @@ examples:
>        qfprom: eeprom@...000 {
>            #address-cells = <1>;
>            #size-cells = <1>;
> +          wp-gpios = <&gpio1 3 0>;

In the example please use the include for GPIO:

#include <dt-bindings/gpio/gpio.h>

wp-gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>;

You can just put the #include directive right before the
example, it should work fine.

Yours,
Linus Walleij