linux-kernel - Re: [PATCH 0/4] 32-bit Meson: audio clock support

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Date:   Tue, 11 Jun 2019 14:33:46 +0200
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        narmstrong@...libre.com, linux-amlogic@...ts.infradead.org
Cc:     linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] 32-bit Meson: audio clock support

On Mon, 2019-05-20 at 22:03 +0200, Martin Blumenstingl wrote:
> The audio clocks on the 32-bit Meson8, Meson8b and Meson8m2 are
> (probably) identical to the ones on GXBB, GXL and GXM.
> 
> The first piece of evidence is that Amlogic's vendor kernel is using
> the same basic driver (just slightly modified) for the 32-bit SoCs [0]
> and 64-bit SoCs [1].
> 
> Then there's buildroot-openlinux-A113-201901 which ships
> kernel/aml-4.9/drivers/amlogic/clk/m8b/clk_misc.c. It contains the same
> registers and bits (just slightly different naming) than the mainline
> GXBB/GXL/GXM clock driver.
> 
> There is no working mainline ALSA driver for this yet so I am not 100%
> sure that everything is correct. However, due to the evidence listed
> above I'm sure that the basics are correct so this is a good starting
> point.
> 
> 
> [0] https://github.com/endlessm/linux-meson/tree/d6e13c220931110fe676ede6da69fc61a7cb04b6/sound/soc/aml/m8
> [1] https://github.com/khadas/linux/tree/1bd6972cd0093725c0b1dc87f6546648bbb22452/sound/soc/aml/m8
> 
> 
> Martin Blumenstingl (4):
>   dt-bindings: clock: meson8b: add the audio clocks
>   clk: meson: meson8b: add the cts_amclk clocks
>   clk: meson: meson8b: add the cts_mclk_i958 clocks
>   clk: meson: meson8b: add the cts_i958 clock
> 
>  drivers/clk/meson/meson8b.c              | 154 +++++++++++++++++++++++
>  drivers/clk/meson/meson8b.h              |   8 +-
>  include/dt-bindings/clock/meson8b-clkc.h |   3 +
>  3 files changed, 164 insertions(+), 1 deletion(-)
> 

Applied
Thx