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Subject[PATCH v5 0/6] ASoC: dwc: Add device tree support to designware I2S
From: Andrew Jackson <>

This patch set extends the DesignWare I2S driver to provide device
tree support and fixes a couple of small faults.

Changes v4->v5
+ Remove all clk_put calls [Andrew Jackson]
+ Call clk_disable_unprepare [Andrew Jackson]

Changes v3->v4
+ Drop applied patches
+ Use combined function to prepare clock [Mark Brown]
+ Use managed clock resources to avoid clk_put [Mark Brown]
+ Read configuration prameters from hardware for both platform data
and device tree [Mark Brown]
+ Re-order patch sequence [Mark Brown]
+ Change union name to avoid future collisions [Mark Brown]
+ Check return code from clk_set_rate [Mark Brown]
+ Check parametsrs read from hardware agaist array limits and
add further comments [Mark Brown]
+ Add of_match_ptr [Mark Brown]

Changes v2->v3
+ Drop applied patch
+ Flush FIFOs in prepare rather than hw_params [Lars-Peter Clausen]

Changes v1->v2
+ Drop negative use count patch [Mark Brown]
+ Remove unnecessary debug print messages [Lars-Peter Clausen]
+ Rewrite iteration as for loop rather than do...while [Mark Brown]
+ Reorder patches to send fixes first [Mark Brown]
+ Simplify device tree code [Mark Brown]
+ Split device tree patch in two [Mark Brown]
+ Expand explanatory comment on channel configuration [Rajeev Kumar]

Arnd: I've not forgotten about updating the spear entries and
will submit as a separate patch.

Andrew Jackson (6):
ASoC: dwc: Switch to managed clock resource
ASoC: dwc: Prepare clock before use
ASoC: dwc: Read I2S block configuration from registers
ASoC: dwc: Register components with managed interface
ASoC: dwc: Add documentation for I2S DT
ASoC: dwc: Add devicetree support for Designware I2S

.../devicetree/bindings/sound/designware-i2s.txt | 31 +++
sound/soc/dwc/Kconfig | 1 +
sound/soc/dwc/designware_i2s.c | 283 ++++++++++++++++----
3 files changed, 263 insertions(+), 52 deletions(-)
create mode 100644 Documentation/devicetree/bindings/sound/designware-i2s.txt

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