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From: Dmitry Osipenko <digetx@gmail.com>
To: Sowjanya Komatineni <skomatineni@nvidia.com>,
	Thierry Reding <thierry.reding@gmail.com>
Cc: jonathanh@nvidia.com, broonie@kernel.org, lgirdwood@gmail.com,
	perex@perex.cz, tiwai@suse.com, mperttunen@nvidia.com,
	gregkh@linuxfoundation.org, sboyd@kernel.org, robh+dt@kernel.org,
	mark.rutland@arm.com, pdeschrijver@nvidia.com,
	pgaikwad@nvidia.com, spujar@nvidia.com, josephl@nvidia.com,
	daniel.lezcano@linaro.org, mmaddireddy@nvidia.com,
	markz@nvidia.com, devicetree@vger.kernel.org,
	linux-clk@vger.kernel.org, linux-tegra@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 00/19] Move PMC clocks into Tegra PMC driver
Date: Wed, 8 Jan 2020 03:40:23 +0300	[thread overview]
Message-ID: <f6a28f8d-5061-0be5-2530-966c3a25aaf4@gmail.com> (raw)
In-Reply-To: <1f7d3c1e-115c-e08e-240b-c4df9e68543d@nvidia.com>

07.01.2020 19:50, Sowjanya Komatineni пишет:
> 
> On 1/7/20 4:21 AM, Thierry Reding wrote:
>> On Mon, Jan 06, 2020 at 08:13:59PM -0800, Sowjanya Komatineni wrote:
>>> This patch series moves Tegra PMC clocks from clock driver to pmc driver
>>> along with the device trees changes and audio driver which uses one of
>>> the pmc clock for audio mclk.
>>>
>>> Tegra PMC has clk_out_1, clk_out_2, clk_out_3 and blink controls which
>>> are currently registered by Tegra clock driver using clk_regiser_mux and
>>> clk_register_gate which performs direct Tegra PMC register access.
>>>
>>> When Tegra PMC is in secure mode, any access from non-secure world will
>>> not go through.
>>>
>>> This patch series adds these Tegra PMC clocks and blink controls to
>>> Tegra
>>> PMC driver with PMC as clock provider and removes them from Tegra clock
>>> driver.
>>>
>>> PMC clock clk_out_1 is dedicated for audio mclk from Tegra30 thru
>>> Tegra210
>>> and clock driver does inital parent configuration for it and enables
>>> them.
>>> But this clock should be taken care by audio driver as there is no need
>>> to have this clock pre enabled.
>>>
>>> So, this series also includes patch that updates ASoC driver to take
>>> care of parent configuration for mclk if device tree don't specify
>>> initial parent configuration using assigned-clock-parents and controls
>>> audio mclk enable/disable during ASoC machine startup and shutdown.
>>>
>>> DTs are also updated to use clk_out_1 as audio mclk rather than extern1.
>>>
>>> This series also includes a patch for mclk fallback to extern1 when
>>> retrieving mclk fails to have this backward compatible of new DT with
>>> old kernels.
>> Hi Sowjanya,
>>
>> this looks like it's almost ready to merge. Can you highlight if there
>> are any build-time or runtime dependencies between the patches? The
>> audio driver changes seem to be mostly isolated from the rest by the
>> fallback implementation for legacy device trees.
>>
>> Is there anything that I need to keep in mind when applying these? And
>> would it be fine for Mark to pick up the ASoC patches separately from
>> the rest?
>>
>> Thierry
> 
> Yes, ASoC patches can be picked separately.
> 
> dependencies are b/w clock and pmc driver patches.

Technically, the ASoC compatibility patches should be applied before the
CaR changes. But perhaps it's not critical if audio fails during git's
bisection.

  reply	other threads:[~2020-01-08  0:40 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-07  4:13 [PATCH v6 00/19] Move PMC clocks into Tegra PMC driver Sowjanya Komatineni
2020-01-07  4:14 ` [PATCH v6 01/19] dt-bindings: clock: tegra: Change CLK_M_DIV to OSC_DIV clocks Sowjanya Komatineni
2020-01-07  4:14 ` [PATCH v6 02/19] clk: tegra: Change CLK_M_DIV clocks " Sowjanya Komatineni
2020-01-07  4:14 ` [PATCH v6 03/19] clk: tegra: Fix Tegra PMC clock out parents Sowjanya Komatineni
2020-01-07  4:14 ` [PATCH v6 04/19] dt-bindings: tegra: Convert Tegra PMC bindings to YAML Sowjanya Komatineni
2020-01-07  4:14 ` [PATCH v6 05/19] dt-bindings: soc: tegra-pmc: Add Tegra PMC clock bindings Sowjanya Komatineni
2020-01-07  4:14 ` [PATCH v6 06/19] soc: tegra: Add Tegra PMC clocks registration into PMC driver Sowjanya Komatineni
2020-01-08  1:00   ` Dmitry Osipenko
2020-01-08  1:13     ` Sowjanya Komatineni
2020-01-07  4:14 ` [PATCH v6 07/19] dt-bindings: soc: tegra-pmc: Add id for Tegra PMC 32KHz blink clock Sowjanya Komatineni
2020-01-07  4:14 ` [PATCH v6 08/19] soc: tegra: Add support for " Sowjanya Komatineni
2020-01-07  4:14 ` [PATCH v6 09/19] clk: tegra: Remove tegra_pmc_clk_init along with clk ids Sowjanya Komatineni
2020-01-07  4:14 ` [PATCH v6 10/19] dt-bindings: clock: tegra: Remove pmc clock ids from clock dt-bindings Sowjanya Komatineni
2020-01-07  4:14 ` [PATCH v6 11/19] ASoC: tegra: Use device managed resource APIs to get the clock Sowjanya Komatineni
2020-01-07  4:14 ` [PATCH v6 12/19] ASoC: tegra: Add audio mclk configuration Sowjanya Komatineni
2020-01-07 11:14   ` Sameer Pujar
2020-01-07 16:56     ` Sowjanya Komatineni
2020-01-07 22:56       ` Dmitry Osipenko
2020-01-07 23:23         ` Sowjanya Komatineni
2020-01-07  4:14 ` [PATCH v6 13/19] ASoC: tegra: Add fallback implementation for audio mclk Sowjanya Komatineni
2020-01-07  4:14 ` [PATCH v6 14/19] clk: tegra: Remove audio related clock enables from init_table Sowjanya Komatineni
2020-01-07  4:14 ` [PATCH v6 15/19] ARM: dts: tegra: Add clock-cells property to pmc Sowjanya Komatineni
2020-01-07  4:14 ` [PATCH v6 16/19] arm64: tegra: Add clock-cells property to Tegra PMC node Sowjanya Komatineni
2020-01-07  4:14 ` [PATCH v6 17/19] ARM: tegra: Update sound node clocks in device tree Sowjanya Komatineni
2020-01-07  4:14 ` [PATCH v6 18/19] arm64: tegra: smaug: Change clk_out_2 provider to pmc Sowjanya Komatineni
2020-01-07  4:14 ` [PATCH v6 19/19] ASoC: nau8825: change Tegra clk_out_2 provider to tegra_pmc Sowjanya Komatineni
2020-01-07 12:21 ` [PATCH v6 00/19] Move PMC clocks into Tegra PMC driver Thierry Reding
2020-01-07 16:50   ` Sowjanya Komatineni
2020-01-08  0:40     ` Dmitry Osipenko [this message]
2020-01-07 23:01 ` Dmitry Osipenko
2020-01-07 23:24   ` Sowjanya Komatineni
2020-01-07 23:28     ` Dmitry Osipenko
2020-01-08  0:02       ` Sowjanya Komatineni
2020-01-08  1:01         ` Dmitry Osipenko

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