From: Conor Dooley <conor.dooley@microchip.com>
To: Yinbo Zhu <zhuyinbo@loongson.cn>
Cc: Conor Dooley <conor@kernel.org>,
Linus Walleij <linus.walleij@linaro.org>,
Bartosz Golaszewski <brgl@bgdev.pl>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>, <linux-gpio@vger.kernel.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
Jianmin Lv <lvjianmin@loongson.cn>, <wanghongliang@loongson.cn>,
Liu Peibao <liupeibao@loongson.cn>,
<loongson-kernel@lists.loongnix.cn>
Subject: Re: [PATCH v2 1/2] gpio: dt-bindings: add parsing of loongson gpio offset
Date: Wed, 2 Aug 2023 08:50:45 +0100 [thread overview]
Message-ID: <20230802-bunkbed-siamese-57ee53bdf273@wendy> (raw)
In-Reply-To: <3534f7b9-0e02-28c1-238a-5a6fdbb95e94@loongson.cn>
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On Wed, Aug 02, 2023 at 03:44:17PM +0800, Yinbo Zhu wrote:
> 在 2023/8/2 下午3:22, Conor Dooley 写道:
> > On Wed, Aug 02, 2023 at 09:38:34AM +0800, Yinbo Zhu wrote:
> > > 在 2023/8/1 下午11:54, Conor Dooley 写道:
> > > > On Tue, Aug 01, 2023 at 04:34:30PM +0800, Yinbo Zhu wrote:
> > > > > Sorry, I may not have described it clearly before, the ls2k500 was only
> > > > > as a example, actually, Loongson GPIO controllers (2k500,2k1000,eg)come
> > > > > in multiple variants that are compatible except for certain register
> > > > > offset values. So above all offset device property was used to in all
> > > > > loongson gpio controller.
> > > >
> > > > But it would be good to know why they are different. Do they each
> > > > support some different features, or was there some other reason for
> > > > making controllers like this?
> > >
> > >
> > > There are no other reasons, just differences in these offset addresses.
> >
> > Huh. Do you have a link to a devicetree for the ls2k500?
>
>
> Yes, there was a link about ls2k500 dts, but that ls2k500 dts has not
> yet added a gpio node. this gpio node will be added later.
You must have something that you used to test with, no? I don't mind if
it is not a patch, but rather is some WIP - I'd just like to see user of
the binding :)
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next prev parent reply other threads:[~2023-08-02 7:54 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-31 9:10 [PATCH v2 0/2] gpio: loongson: add firmware offset parse support Yinbo Zhu
2023-07-31 9:10 ` [PATCH v2 1/2] gpio: dt-bindings: add parsing of loongson gpio offset Yinbo Zhu
2023-07-31 15:55 ` Conor Dooley
2023-08-01 6:39 ` Yinbo Zhu
2023-08-01 7:23 ` Conor Dooley
2023-08-01 8:34 ` Yinbo Zhu
2023-08-01 15:54 ` Conor Dooley
2023-08-02 1:38 ` Yinbo Zhu
2023-08-02 7:22 ` Conor Dooley
2023-08-02 7:44 ` Yinbo Zhu
2023-08-02 7:50 ` Conor Dooley [this message]
2023-08-02 8:37 ` Yinbo Zhu
2023-08-02 15:36 ` Conor Dooley
2023-08-03 1:56 ` Yinbo Zhu
2023-08-03 6:30 ` Conor Dooley
2023-08-03 6:41 ` Krzysztof Kozlowski
2023-08-03 9:42 ` Yinbo Zhu
2023-07-31 9:10 ` [PATCH v2 2/2] gpio: loongson: add firmware offset parse support Yinbo Zhu
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