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SubjectRe: [PATCH 3/3] dt-bindings: ddr: Add bindings for Samsung LPDDR3 memories
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

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