linux-kernel - Re: [PATCH 0/6] arm64: Add initial support for Odroid-N2

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Message-ID: <7hd0llpzi7.fsf@baylibre.com>
Date:   Tue, 16 Apr 2019 11:37:52 -0700
From:   Kevin Hilman <khilman@...libre.com>
To:     Neil Armstrong <narmstrong@...libre.com>, jbrunet@...libre.com
Cc:     baylibre-upstreaming@...ups.io,
        Neil Armstrong <narmstrong@...libre.com>,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/6] arm64: Add initial support for Odroid-N2

Neil Armstrong <narmstrong@...libre.com> writes:

> This patchset adds basic support for :
> - Amlogic G12B, which is very similar to G12A
> - The HardKernel Odroid-N2 based on the S922X SoC
>
> The Amlogic G12B SoC is very similar with the G12A SoC, sharing
> most of the features and architecture, but with these differences :
> - The first CPU cluster only has 2xCortex-A53 instead of 4
> - G12B has a second cluster of 4xCortex-A73
> - Both cluster can achieve 2GHz instead of 1,8GHz for G12A
> - CPU Clock architecture is difference, thus needing a different
>   compatible to handle this slight difference
> - Supports a MIPI CSI input
> - Embeds a Mali-G52 instead of a Mali-G31, but integration is the same
>
> Actual support is done in the same way as for the GXM support, including
> the G12A dtsi and redefining the CPU clusters.
> Unlike GXM, the first cluster is different, thus needing to remove
> the last 2 cpu nodes of the first cluster.
>
> G12B clock driver is very close, the main differences are :
> - the clock tree is duplicated for the both clusters, and the
>   SYS_PLL are swapped between the clusters
> - G12A has additional clocks like for CSI an other components
>
> Dependencies :
> - Patch 1, 3, 4, 5 : None
> - Patch 2 : Depends on the v5.2 meson-clk PULL request
> - Patch 6 depends on the G12A Display DT patchset at [2]

These deps are merged/queued.

I'm assuming you'll take patches 1-3 via clk-meson.  After you have a
stable tag there, i can take the 4-6 via my tree.

Kevin