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 >> > >
next prev parent 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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