linux-kernel - Re: [PATCH v3 01/12] Documentation: dt: wireless: update wl1251 for sdio

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Message-ID: <CAPDyKFpGU+tXC8thz52BQfKHNerzYSUroSihh6GpZELFm-1gRQ@mail.gmail.com>
Date:   Thu, 14 Nov 2019 15:11:11 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     "H. Nikolaus Schaller" <hns@...delico.com>
Cc:     Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        Kalle Valo <kvalo@...eaurora.org>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        David Sterba <dsterba@...e.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Petr Mladek <pmladek@...e.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        Yangtao Li <tiny.windzz@...il.com>,
        Alexios Zavras <alexios.zavras@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Allison Randal <allison@...utok.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        John Stultz <john.stultz@...aro.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        DTML <devicetree@...r.kernel.org>,
        Discussions about the Letux Kernel 
        <letux-kernel@...nphoenux.org>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        kernel@...a-handheld.com,
        linux-wireless <linux-wireless@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        linux-omap <linux-omap@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3 01/12] Documentation: dt: wireless: update wl1251 for sdio

On Thu, 7 Nov 2019 at 11:32, H. Nikolaus Schaller <hns@...delico.com> wrote:
>
> The standard method for sdio devices connected to
> an sdio interface is to define them as a child node
> like we can see with wlcore.
>
> Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
> Acked-by: Kalle Valo <kvalo@...eaurora.org>
> ---
>  .../bindings/net/wireless/ti,wl1251.txt       | 26 +++++++++++++++++++
>  1 file changed, 26 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/wireless/ti,wl1251.txt b/Documentation/devicetree/bindings/net/wireless/ti,wl1251.txt
> index bb2fcde6f7ff..f38950560982 100644
> --- a/Documentation/devicetree/bindings/net/wireless/ti,wl1251.txt
> +++ b/Documentation/devicetree/bindings/net/wireless/ti,wl1251.txt
> @@ -35,3 +35,29 @@ Examples:
>                 ti,power-gpio = <&gpio3 23 GPIO_ACTIVE_HIGH>; /* 87 */
>         };
>  };
> +
> +&mmc3 {
> +       vmmc-supply = <&wlan_en>;
> +
> +       bus-width = <4>;
> +       non-removable;
> +       ti,non-removable;
> +       cap-power-off-card;
> +
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&mmc3_pins>;
> +
> +       #address-cells = <1>;
> +       #size-cells = <0>;
> +
> +       wlan: wifi@1 {
> +               compatible = "ti,wl1251";
> +
> +               reg = <1>;
> +
> +               interrupt-parent = <&gpio1>;
> +               interrupts = <21 IRQ_TYPE_LEVEL_HIGH>;  /* GPIO_21 */
> +
> +               ti,wl1251-has-eeprom;
> +       };
> +};

One minor thing, the "ti,power-gpio" is not required anymore, as it's
not needed for the SDIO case for pandora.

Please move it to an option section.

Kind regards
Uffe