From: Krzysztof Kozlowski <krzk@kernel.org>
To: Lukasz Luba <l.luba@partner.samsung.com>
Cc: devicetree@vger.kernel.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
linux-pm@vger.kernel.org,
"linux-samsung-soc@vger.kernel.org"
<linux-samsung-soc@vger.kernel.org>,
linux-arm-kernel@lists.infradead.org,
"Bartłomiej Żołnierkiewicz" <b.zolnierkie@samsung.com>,
kgene@kernel.org, mark.rutland@arm.com, robh+dt@kernel.org,
"Chanwoo Choi" <cw00.choi@samsung.com>,
kyungmin.park@samsung.com,
"Marek Szyprowski" <m.szyprowski@samsung.com>,
s.nawrocki@samsung.com, myungjoo.ham@samsung.com,
willy.mh.wolff.ml@gmail.com
Subject: Re: [PATCH 3/3] dt-bindings: ddr: Add bindings for Samsung LPDDR3 memories
Date: Fri, 6 Sep 2019 12:56:42 +0200 [thread overview]
Message-ID: <CAJKOXPfoYxTVvt_bMQOs1=BkHzUuW_WvL9zn0jTGS6LLpv=fhQ@mail.gmail.com> (raw)
In-Reply-To: <20190906101344.3535-4-l.luba@partner.samsung.com>
On Fri, 6 Sep 2019 at 12:14, Lukasz Luba <l.luba@partner.samsung.com> wrote:
>
> Add description of bindings for Samsung k3qf2f20db LPDDR3 memory.
> Minor fixes in the old documentation.
>
> Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com>
> ---
> .../devicetree/bindings/ddr/lpddr3.txt | 29 +++++++++++++++++--
> 1 file changed, 27 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/ddr/lpddr3.txt b/Documentation/devicetree/bindings/ddr/lpddr3.txt
> index 3b2485b84b3f..de0905239767 100644
> --- a/Documentation/devicetree/bindings/ddr/lpddr3.txt
> +++ b/Documentation/devicetree/bindings/ddr/lpddr3.txt
> @@ -40,10 +40,34 @@ Child nodes:
> a given speed-bin. Please see Documentation/devicetree/
> bindings/ddr/lpddr3-timings.txt for more information on "lpddr3-timings"
>
> +Samsung K3QF2F20DB LPDDR3 memory
> +------------------------------------------------------------
> +
> +This binding uses the LPDDR3 binding (described above)
> +
> +Required properties:
> +- compatible: Should be:
> + "samsung,K3QF2F20DB"
> + followed by "jedec,lpddr3"
> +- density : <u32> representing density in Mb (Mega bits)
> +- io-width : <u32> representing bus width. Possible value 32
> +- #address-cells: Must be set to 1
> +- #size-cells: Must be set to 0
If you decided to repeat all properties again, then it deserves its
own bindings file. However I though about simpler solution - just
document compatible. Exactly the same as AT24 or AT25 EEPROM bindings.
There is not much benefit from copying all these properties.
Best regards,
Krzysztof
next prev parent reply other threads:[~2019-09-06 10:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20190906101404eucas1p1d11e26276bfdacb7748f1391e29f45d0@eucas1p1.samsung.com>
2019-09-06 10:13 ` [PATCH 0/3] Exynos5 DMC minor fixes Lukasz Luba
[not found] ` <CGME20190906101405eucas1p2e3da7b461810a3a520e76c636a06e486@eucas1p2.samsung.com>
2019-09-06 10:13 ` [PATCH 1/3] memory: Exynos5422: minor fixes in DMC Lukasz Luba
2019-09-06 10:51 ` Krzysztof Kozlowski
2019-09-06 11:43 ` Lukasz Luba
[not found] ` <CGME20190906101406eucas1p289695a398d757b116367257293c3544d@eucas1p2.samsung.com>
2019-09-06 10:13 ` [PATCH 2/3] ARM: dts: exynos: fix too long line in memory device Lukasz Luba
[not found] ` <CGME20190906101407eucas1p15eb0df53374b27497b4793eab24becf6@eucas1p1.samsung.com>
2019-09-06 10:13 ` [PATCH 3/3] dt-bindings: ddr: Add bindings for Samsung LPDDR3 memories Lukasz Luba
2019-09-06 10:56 ` Krzysztof Kozlowski [this message]
2019-09-06 11:39 ` Lukasz Luba
2019-09-06 11:50 ` Krzysztof Kozlowski
2019-09-06 12:14 ` Lukasz Luba
2019-09-13 14:36 ` Rob Herring
2019-09-16 9:49 ` Lukasz Luba
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