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[v2,0/6] Add support of two Audio PLL source

Message ID 1656667961-1799-1-git-send-email-shengjiu.wang@nxp.com
Headers show
Series Add support of two Audio PLL source | expand

Message

Shengjiu Wang July 1, 2022, 9:32 a.m. UTC 
i.MX8MQ/MN/MM/MP platforms typically have 2 AUDIO PLLs being
configured to handle 8kHz and 11kHz series audio rates.

The patches implement the functionality to select at runtime
the appropriate AUDIO PLL for root clock, if there is no
two PLL registered, then no action taken.

change in v2:
- simply the logic for calling reparent function

Shengjiu Wang (6):
  ASoC: fsl_utils: Add function to handle PLL clock source
  ASoC: fsl_spdif: Add support for PLL switch at runtime.
  ASoC: fsl_micfil: Add support for PLL switch at runtime
  ASoC: fsl_sai: Add support for PLL switch at runtime
  ASoC: dt-bindings: fsl_spdif: Add two PLL clock source
  ASoC: dt-bindings: fsl-sai: Add two PLL clock source

 .../devicetree/bindings/sound/fsl,spdif.yaml  |  4 ++
 .../devicetree/bindings/sound/fsl-sai.txt     |  3 +
 sound/soc/fsl/Kconfig                         |  3 +
 sound/soc/fsl/fsl_micfil.c                    | 31 +++++++++
 sound/soc/fsl/fsl_sai.c                       | 38 ++++++++++
 sound/soc/fsl/fsl_sai.h                       |  2 +
 sound/soc/fsl/fsl_spdif.c                     | 48 +++++++++++--
 sound/soc/fsl/fsl_utils.c                     | 69 +++++++++++++++++++
 sound/soc/fsl/fsl_utils.h                     |  7 ++
 9 files changed, 200 insertions(+), 5 deletions(-)

Comments

Rob Herring (Arm) July 1, 2022, 8:54 p.m. UTC | #1 
On Fri, 01 Jul 2022 17:32:41 +0800, Shengjiu Wang wrote:
> Add two PLL clock source, they are the parent clocks of root clock
> one is for 8kHz series rates, another one is for 11kHz series rates.
> They are optional clocks, if there are such clocks, then driver
> can switch between them for supporting more accurate rates.
> 
> Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
> ---
>  Documentation/devicetree/bindings/sound/fsl-sai.txt | 3 +++
>  1 file changed, 3 insertions(+)
> 

Acked-by: Rob Herring <robh@kernel.org>