linux-kernel - Re: [PATCH] MIPS: CI20: DTS: Correcting IW8103 Wifi binding

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Message-ID: <f617580b-fad7-f4f2-e89d-402b53c21c47@deutnet.info>
Date:   Mon, 6 Jul 2020 22:22:49 +0200
From:   Alexandre GRIVEAUX <agriveaux@...tnet.info>
To:     "H. Nikolaus Schaller" <hns@...delico.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paul.burton@...s.com>,
        James Hogan <jhogan@...nel.org>,
        linux-mips <linux-mips@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH] MIPS: CI20: DTS: Correcting IW8103 Wifi binding

Le 06/07/2020 à 13:15, H. Nikolaus Schaller a écrit :
> Hi Alexandre,
>
>> Am 05.07.2020 um 12:32 schrieb agriveaux@...tnet.info:
>>
>> From: Alexandre GRIVEAUX <agriveaux@...tnet.info>
>>
>> Use brcm,bcm4329-fmac instead of brcm,bcm4330-fmac.
>>
>> Signed-off-by: Alexandre GRIVEAUX <agriveaux@...tnet.info>
>> ---
>> arch/mips/boot/dts/ingenic/ci20.dts | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts
>> index 75f5bfbf2c37..82a1f126b778 100644
>> --- a/arch/mips/boot/dts/ingenic/ci20.dts
>> +++ b/arch/mips/boot/dts/ingenic/ci20.dts
>> @@ -116,8 +116,8 @@
>> 	pinctrl-0 = <&pins_mmc1>;
>>
>> 	brcmf: wifi@1 {
>> -/*		reg = <4>;*/
>> -		compatible = "brcm,bcm4330-fmac";
>> +		reg = <1>;
>> +		compatible = "brcm,bcm4329-fmac";
>> 		vcc-supply = <&wlan0_power>;
>> 		device-wakeup-gpios = <&gpd 9 GPIO_ACTIVE_HIGH>;
>> 		shutdown-gpios = <&gpf 7 GPIO_ACTIVE_LOW>;
> Do you have it working with a v5.8 kernel?
>
> I don't see any activity to detect the module or load firmware.
>
> Does it rely on some other patch?
>
> BR and thanks,
> Nikolaus
>
Hi Nikolaus


At this time the patch have been only "tested" for error will doing make:

make ARCH=mips CROSS_COMPILE=mipsel-linux-gnu- olddefconfig &&  make
ARCH=mips CROSS_COMPILE=mipsel-linux-gnu- -j8 && make ARCH=mips
CROSS_COMPILE=mipsel-linux-gnu- -j8 uImage


The .config come from creator-ci20 kernel 'config-3.18.3-ci20-1'


Even with the right DT
(Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt)
it's need some config with brcm enabled I gess.


I need to do some investigation will trying the uImage this week,
unfortunaly kernel developpement is not my main work, it's a hobby.


Thanks.