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From: Lukasz Luba <l.luba@partner.samsung.com>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
	linux-clk@vger.kernel.org, mturquette@baylibre.com,
	sboyd@kernel.org, b.zolnierkie@samsung.com, kgene@kernel.org,
	mark.rutland@arm.com, robh+dt@kernel.org, cw00.choi@samsung.com,
	kyungmin.park@samsung.com, m.szyprowski@samsung.com,
	s.nawrocki@samsung.com, myungjoo.ham@samsung.com,
	keescook@chromium.org, tony@atomide.com, jroedel@suse.de,
	treding@nvidia.com, digetx@gmail.com, gregkh@linuxfoundation.org,
	willy.mh.wolff.ml@gmail.com
Subject: Re: [PATCH v12 6/9] ARM: dts: exynos: add chipid label and syscon compatible
Date: Wed, 21 Aug 2019 11:29:08 +0200
Message-ID: <8cee8885-142f-d508-472b-334a73d30696@partner.samsung.com> (raw)
In-Reply-To: <20190724171049.GA11333@kozik-lap>



On 7/24/19 7:10 PM, Krzysztof Kozlowski wrote:
> On Mon, Jul 22, 2019 at 11:46:43AM +0200, Lukasz Luba wrote:
>> Add the chipid label which allows to use it in phandle from other device.
>> Use syscon in compatible to get the regmap of the device register set.
>> The chipid is used in DMC during initialization to compare compatibility.
>>
> 
> I cannot find its usage in DMC driver.
You are right, it was used in the old versions. I will skip this patch.

Regards,
Lukasz
> 
> Best regards,
> Krzysztof
> 
> 
>> Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com>
>> ---
>>   arch/arm/boot/dts/exynos5.dtsi | 4 ++--
>>   1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/exynos5.dtsi b/arch/arm/boot/dts/exynos5.dtsi
>> index 67f9b4504a42..4801ca759feb 100644
>> --- a/arch/arm/boot/dts/exynos5.dtsi
>> +++ b/arch/arm/boot/dts/exynos5.dtsi
>> @@ -35,8 +35,8 @@
>>   		#size-cells = <1>;
>>   		ranges;
>>   
>> -		chipid@10000000 {
>> -			compatible = "samsung,exynos4210-chipid";
>> +		chipid: chipid@10000000 {
>> +			compatible = "samsung,exynos4210-chipid", "syscon";
>>   			reg = <0x10000000 0x100>;
>>   		};
>>   
>> -- 
>> 2.17.1
>>
> 
> 

  reply index

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20190722094724eucas1p21d37e28f25f632081f2b0f48ace70826@eucas1p2.samsung.com>
2019-07-22  9:46 ` [PATCH v12 0/9] Exynos5 Dynamic Memory Controller driver Lukasz Luba
     [not found]   ` <CGME20190722094725eucas1p1c91c43892ef73011bdf554574a1637e0@eucas1p1.samsung.com>
2019-07-22  9:46     ` [PATCH v12 1/9] dt-bindings: ddr: rename lpddr2 directory Lukasz Luba
     [not found]   ` <CGME20190722094726eucas1p2471055ae10f65df44fa1e640491e528f@eucas1p2.samsung.com>
2019-07-22  9:46     ` [PATCH v12 2/9] dt-bindings: ddr: add LPDDR3 memories Lukasz Luba
     [not found]   ` <CGME20190722094727eucas1p10041ba25819e6e62d639423a97435f2d@eucas1p1.samsung.com>
2019-07-22  9:46     ` [PATCH v12 3/9] drivers: memory: extend of_memory by LPDDR3 support Lukasz Luba
2019-07-24 11:31       ` Krzysztof Kozlowski
2019-08-21  9:17         ` Lukasz Luba
2019-07-24 11:39       ` Krzysztof Kozlowski
2019-08-21  9:03         ` Lukasz Luba
     [not found]   ` <CGME20190722094728eucas1p17e68d3d93202fb089822b376e5d2f37b@eucas1p1.samsung.com>
2019-07-22  9:46     ` [PATCH v12 4/9] dt-bindings: memory-controllers: add Exynos5422 DMC device description Lukasz Luba
     [not found]   ` <CGME20190722094729eucas1p148196a19d5d33d4b1dfe6c75e7e290ec@eucas1p1.samsung.com>
2019-07-22  9:46     ` [PATCH v12 5/9] drivers: memory: add DMC driver for Exynos5422 Lukasz Luba
     [not found]   ` <CGME20190722094730eucas1p2f3f8298c43c8bf0d96135bca9a9e753b@eucas1p2.samsung.com>
2019-07-22  9:46     ` [PATCH v12 6/9] ARM: dts: exynos: add chipid label and syscon compatible Lukasz Luba
2019-07-24 17:10       ` Krzysztof Kozlowski
2019-08-21  9:29         ` Lukasz Luba [this message]
     [not found]   ` <CGME20190722094731eucas1p20a1dd09d90eef3415a37e7fc86efe2df@eucas1p2.samsung.com>
2019-07-22  9:46     ` [PATCH v12 7/9] ARM: dts: exynos: add syscon to clock compatible Lukasz Luba
     [not found]   ` <CGME20190722094732eucas1p1bd2c7e20744637f9f48f40be71db0168@eucas1p1.samsung.com>
2019-07-22  9:46     ` [PATCH v12 8/9] ARM: dts: exynos: add DMC device for exynos5422 Lukasz Luba
     [not found]   ` <CGME20190722094733eucas1p1a0294a332b11aed42124308c5d204e62@eucas1p1.samsung.com>
2019-07-22  9:46     ` [PATCH v12 9/9] ARM: exynos_defconfig: enable DMC driver Lukasz Luba

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