[PATCH v2 0/9] clk: meson: update clock controller for audio support

Michael Turquette mturquette at baylibre.com
Mon Mar 27 12:52:52 PDT 2017


Quoting Kevin Hilman (2017-03-10 16:39:27)
> Jerome Brunet <jbrunet at baylibre.com> writes:
> 
> > This patchset is a first round of update to the meson clock controllers
> > to bring audio support. The patchset is based on clk-next. It could be
> > rebased on amlogic tree later on, if you prefer the patches to go through
> > Kevin's tree.
> 
> I'd prefer these go through the clk tree, and get an immutable branch
> that I can use for my stuff that goes through the arm-soc tree.

Applied to clk-meson, a stable branch, which has been merged into
clk-next.

Kevin, feel free to use clk-meson or any commit id therein: they will
not be rebased.

Regards,
Mike

> 
> Kevin
> 
> > First patch fix an issue found while writing patch 5 (Giving ternary
> > operator to SET_PARM)
> >
> > Following Stephen comment on the v1, patch 2 adds the const qualifiers
> > missing upstream.
> >
> > Patches 3 and 4 put the generic muxes and divisors declaration in tables so
> > the register address fixup works in the same way as the clock gates. We are
> > going to add more of these clock types for audio or gpu support, so we
> > can't continue to fix addresses individually like it is currently done.
> >
> > Patches 5 to 8 improve the support of the mpll clocks, now allowing the
> > rate to be set. Among other things, the mplls are the parent clocks of the
> > i2s and spdif clocks.
> >
> > Patch 9 expose the clock gates required to power on the i2s output.
> >
> > These patches have been tested on the meson gxbb p200 board, as part of the
> > ongoing work to bring audio support to meson SoC family.
> >
> > Changes since v1 [0]:
> >  * Add SET_PARM fix to the series
> >  * Add missing const qualifiers to the clock arrays
> >  * No more additional patches required as SAR clocks have been merged
> >
> > [0]: http://lkml.kernel.org/r/20170228133002.17894-1-jbrunet@baylibre.com
> >
> > Jerome Brunet (9):
> >   clk: meson: fix SET_PARM macro
> >   clk: meson: add missing const qualifiers on gate arrays
> >   clk: meson8b: put dividers and muxes in tables
> >   clk: gxbb: put dividers and muxes in tables
> >   clk: meson: mpll: add rw operation
> >   clk: meson: gxbb: mpll: use rw operation
> >   clk: meson8b: add the mplls clocks 0, 1 and 2
> >   clk: meson: mpll: correct N2 maximum value
> >   dt-bindings: clk: gxbb: expose i2s output clock gates
> >
> >  drivers/clk/meson/clk-mpll.c          | 152 ++++++++++++++++++++++++++++++++--
> >  drivers/clk/meson/clkc.h              |   6 +-
> >  drivers/clk/meson/gxbb.c              |  66 ++++++++++++---
> >  drivers/clk/meson/gxbb.h              |  10 +--
> >  drivers/clk/meson/meson8b.c           | 127 ++++++++++++++++++++++++++--
> >  drivers/clk/meson/meson8b.h           |  20 ++++-
> >  include/dt-bindings/clock/gxbb-clkc.h |   5 ++
> >  7 files changed, 356 insertions(+), 30 deletions(-)



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