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[v5,00/13] PHY: Add support in Sierra to use external clock

Message ID 20210308050732.7140-1-kishon@ti.com
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Series PHY: Add support in Sierra to use external clock | expand

Message

Kishon Vijay Abraham I March 8, 2021, 5:07 a.m. UTC 
Patch series adds support in Sierra driver to use external clock.

v1 of the patch series can be found @ [1]
v2 of the patch series can be found @ [2]
v3 of the patch series can be found @ [3]
v5 of the patch series can be found @ [5]

Changes from v4:
1) Fixed couple of error handling cases
2) Added reviewed by from Philipp Zabel
3) Fixed couple of patch commit subjects to be uniform with other
patches.

Changes from v3:
1) Instead of adding separate subnodes for each clock, just add
#clock-cells in Sierra SERDES nodes and model the clocks. This is
in alignment with Rob's comment for a different series [4]
2) Removed device tree changes from the series.

Changes from v2:
1) Add depends on COMMON_CLK in Sierra
2) Add modelling PLL_CMNLC and PLL_CMNLC1 as clocks into a separate
patch
3) Disable clocks in Sierra driver remove

Changes from v1:
1) Remove the part that prevents configuration if the SERDES is already
   configured and focus only on using external clock and the associated
   cleanups
2) Change patch ordering
3) Use exclusive reset control APIs
4) Fix error handling code
5) Include DT patches in this series (I can send this separately to DT
MAINTAINER once the driver patches are merged)

[1] -> http://lore.kernel.org/r/20201103035556.21260-1-kishon@ti.com
[2] -> http://lore.kernel.org/r/20201222070520.28132-1-kishon@ti.com
[3] -> http://lore.kernel.org/r/20201224111627.32590-1-kishon@ti.com
[4] -> http://lore.kernel.org/r/20210108025943.GA1790601@robh.at.kernel.org
[5] -> https://lore.kernel.org/r/20210304044122.15166-1-kishon@ti.com

Kishon Vijay Abraham I (13):
  phy: cadence: Sierra: Fix PHY power_on sequence
  phy: ti: j721e-wiz: Invoke wiz_init() before
    of_platform_device_create()
  phy: cadence: cadence-sierra: Create PHY only for "phy" or "link"
    sub-nodes
  phy: ti: j721e-wiz: Get PHY properties only for "phy" or "link"
    subnode
  phy: cadence: cadence-sierra: Move all clk_get_*() to a separate
    function
  phy: cadence: cadence-sierra: Move all reset_control_get*() to a
    separate function
  phy: cadence: cadence-sierra: Explicitly request exclusive reset
    control
  phy: cadence-torrent: Use a common header file for Cadence SERDES
  phy: cadence: cadence-sierra: Add array of input clocks in "struct
    cdns_sierra_phy"
  phy: cadence: cadence-sierra: Add missing clk_disable_unprepare() in
    .remove callback
  dt-bindings: phy: phy-cadence-sierra: Add binding to model Sierra as
    clock provider
  phy: cadence: phy-cadence-sierra: Model PLL_CMNLC and PLL_CMNLC1 as
    clocks (mux clocks)
  phy: cadence: sierra: Enable pll_cmnlc and pll_cmnlc1 clocks

 .../bindings/phy/phy-cadence-sierra.yaml      |  17 +-
 drivers/phy/cadence/Kconfig                   |   1 +
 drivers/phy/cadence/phy-cadence-sierra.c      | 419 ++++++++++++++++--
 drivers/phy/cadence/phy-cadence-torrent.c     |   2 +-
 drivers/phy/ti/phy-j721e-wiz.c                |  21 +-
 include/dt-bindings/phy/phy-cadence-torrent.h |  15 -
 include/dt-bindings/phy/phy-cadence.h         |  20 +
 7 files changed, 428 insertions(+), 67 deletions(-)
 delete mode 100644 include/dt-bindings/phy/phy-cadence-torrent.h
 create mode 100644 include/dt-bindings/phy/phy-cadence.h

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2.17.1