linux-kernel - Re: [PATCH v8 2/2] arm64: dts: mt8173: Add nor flash node

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Date:	Fri, 4 Dec 2015 17:22:39 +0100
From:	Matthias Brugger <matthias.bgg@...il.com>
To:	bayi cheng <bayi.cheng@...iatek.com>,
	Daniel Kurtz <djkurtz@...omium.org>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	Brian Norris <computersforpeace@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	linux-mediatek@...ts.infradead.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-mtd@...ts.infradead.org,
	srv_heupstream <srv_heupstream@...iatek.com>, jteki@...nedev.com,
	ezequiel@...guardiasur.com.ar
Subject: Re: [PATCH v8 2/2] arm64: dts: mt8173: Add nor flash node



On 26/11/15 03:42, bayi cheng wrote:
> On Thu, 2015-11-26 at 09:20 +0800, Daniel Kurtz wrote:
>> Hi Bayi, Matthias,
>>
>> Sorry for the late review, one comment below...
>>
>> On Wed, Nov 18, 2015 at 11:30 AM, Bayi Cheng <bayi.cheng@...iatek.com> wrote:
>>> Add Mediatek nor flash node
>>>
>>> Signed-off-by: Bayi Cheng <bayi.cheng@...iatek.com>
>>> Acked-by: Brian Norris <computersforpeace@...il.com>
>>> ---
>>>   arch/arm64/boot/dts/mediatek/mt8173.dtsi | 18 +++++++++++++++++-
>>>   1 file changed, 17 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
>>> index 4dd5f93..7988656 100644
>>> --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
>>> +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
>>> @@ -387,7 +387,23 @@
>>>                          status = "disabled";
>>>                  };
>>>
>>> -               i2c3: i2c@...10000 {
>>> +               nor_flash: spi@...0d000 {
>>> +                       compatible = "mediatek,mt8173-nor";
>>> +                       reg = <0 0x1100d000 0 0xe0>;
>>> +                       clocks = <&pericfg CLK_PERI_SPI>,
>>> +                                <&topckgen CLK_TOP_SPINFI_IFR_SEL>;
>>> +                       clock-names = "spi", "sf";
>>> +                       #address-cells = <1>;
>>> +                       #size-cells = <0>;
>>> +                       status = "disabled";
>>> +
>>> +                       flash@0 {
>>> +                               compatible = "jedec,spi-nor";
>>> +                               reg = <0>;
>>> +                       };
>>
>> I think this flash@0 node represents the flash device present on the
>> board and should therefore be moved to the board-specific .dts.
>>
>> -Dan
>>

Good catch, thanks.

> Hi Daniel, Thanks for your comments, and I will fixed it in the next
> patch.

Ok, I dropped your patch in the meanwhile.

Regards,
Matthias

>>> +               };
>>> +
>>> +               i2c3: i2c3@...10000 {
>>>                          compatible = "mediatek,mt8173-i2c";
>>>                          reg = <0 0x11010000 0 0x70>,
>>>                                <0 0x11000280 0 0x80>;
>>> --
>>> 1.8.1.1.dirty
>>>
>
>
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