From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [PATCHv7 0/4] iio: adc: exynos_adc: Support Exynos3250 ADC and code clean Date: Mon, 21 Jul 2014 10:57:35 +0200 Message-ID: <10938575.0qbHyHWX4J@wuerfel> References: <1405909068-22539-1-git-send-email-cw00.choi@samsung.com> <14522743.f6oFhEQVv4@wuerfel> <53CCCB20.50802@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <53CCCB20.50802-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> Sender: linux-iio-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Chanwoo Choi Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, ch.naveen-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, kgene.kim-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, t.figa-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, rdunlap-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org, linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, kyungmin.park-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org List-Id: devicetree@vger.kernel.org On Monday 21 July 2014 17:11:12 Chanwoo Choi wrote: > > work to address the comments and do testing. > > OK, I'll add this patch. > But, I have a question. > > Your patch add following compatible string. > "s3c64100-adc" is right? > > static const struct of_device_id exynos_adc_match[] = { > { > + .compatible = "samsung,s3c64100-adc", > + .data = &exynos_adc_s3c64xx_data, > + }, { There is a typo, thanks for spotting this. It should be "samsung,s3c6410-adc", not "samsung,s3c64100-adc". > > b) For the "compatible" string, I think it makes sense to set a fallback to > > "samsung,exynos-adc-v2" in the case for exynos3250, making the DT > > representation > > > > compatible = "samsung,exynos3250-adc", "samsung,exynos-adc-v2"; > > > > It's not entirely compatible because of the addition of the clock, but > > since the register layout is the same, I think it still make sense. > > OK, I'll add it in exynos3250.dtsi as following: > > adc: adc@126C0000 { > - compatible = "samsung,exynos-adc-v3"; > + compatible = "samsung,exynos3250-adc", > + "samsung,exynos-adc-v2"; > reg = <0x126C0000 0x100>, <0x10020718 0x4>; > interrupts = <0 137 0>; > - clock-names = "adc", "sclk_tsadc"; > + clock-names = "adc", "sclk"; > clocks = <&cmu CLK_TSADC>, <&cmu CLK_SCLK_TSADC>; > #io-channel-cells = <1>; > io-channel-ranges; Ok, looks good. Arnd