linux-kernel - Re: [PATCH v2] ARM: dts: da850: add the mstpri and ddrctl nodes

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Message-ID: <CAMpxmJVqog0Fno_DO0NQKmVNvzu5d=3GOLk145wBmB-V70BLeg@mail.gmail.com>
Date:   Wed, 23 Nov 2016 11:27:42 +0100
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     David Lechner <david@...hnology.com>
Cc:     Kevin Hilman <khilman@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Sekhar Nori <nsekhar@...com>, Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        Peter Ujfalusi <peter.ujfalusi@...com>,
        Russell King <linux@...linux.org.uk>,
        linux-devicetree <devicetree@...r.kernel.org>,
        David Airlie <airlied@...ux.ie>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-drm <dri-devel@...ts.freedesktop.org>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        Jyri Sarha <jsarha@...com>,
        arm-soc <linux-arm-kernel@...ts.infradead.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [PATCH v2] ARM: dts: da850: add the mstpri and ddrctl nodes

2016-11-22 23:23 GMT+01:00 David Lechner <david@...hnology.com>:
> On 11/15/2016 05:00 AM, Bartosz Golaszewski wrote:
>>
>> Add the nodes for the MSTPRI configuration and DDR2/mDDR memory
>> controller drivers to da850.dtsi.
>>
>> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
>> ---
>> v1 -> v2:
>> - moved the priority controller node above the cfgchip node
>> - renamed added nodes to better reflect their purpose
>>
>>  arch/arm/boot/dts/da850.dtsi | 8 ++++++++
>>  1 file changed, 8 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
>> index 1bb1f6d..412eec6 100644
>> --- a/arch/arm/boot/dts/da850.dtsi
>> +++ b/arch/arm/boot/dts/da850.dtsi
>> @@ -210,6 +210,10 @@
>>                         };
>>
>>                 };
>> +               prictrl: priority-controller@...10 {
>> +                       compatible = "ti,da850-mstpri";
>> +                       reg = <0x14110 0x0c>;
>
>
> I think we should add status = "disabled"; here and let boards opt in.
>
>> +               };
>>                 cfgchip: chip-controller@...7c {
>>                         compatible = "ti,da830-cfgchip", "syscon",
>> "simple-mfd";
>>                         reg = <0x1417c 0x14>;
>> @@ -451,4 +455,8 @@
>>                           1 0 0x68000000 0x00008000>;
>>                 status = "disabled";
>>         };
>> +       memctrl: memory-controller@...00000 {
>> +               compatible = "ti,da850-ddr-controller";
>> +               reg = <0xb0000000 0xe8>;
>
>
> same here. status = "disabled";
>
>> +       };
>>  };
>>

Hi David,

I did that initially[1][2] and it was rejected by Kevin[3] and Laurent[4].

FYI this patch has already been queued by Sekhar.

Best regards,
Bartosz Golaszewski

[1] https://www.spinics.net/lists/arm-kernel/msg539638.html
[2] http://www.spinics.net/lists/devicetree/msg148575.html
[3] http://www.spinics.net/lists/devicetree/msg148667.html
[4] http://www.spinics.net/lists/devicetree/msg148655.html