Merge tag 'sunxi-ng-parent-rewrite-part-1-take-2' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into clk-allwinner

Pull Allwinner sunxi-ng clk driver parent relation rewrite part 1 - take 2
from Chen-Yu Tsai:

"The first part of ongoing work to convert the sunxi-ng clk driver from
using global clock name strings to describe clk parenting, to having
direct struct clk_hw pointers, or local names based on clock-names from
the device tree binding.

This is based on Stephen Boyd's recent work allowing clk drivers to
specify clk parents using struct clk_hw * or parsing DT phandles in the
clk node.

This series can be split into a few major parts:

1) The first patch is a small fix for clk debugfs representation.

2) A bunch of CLK_HW_INIT_* helper macros are added. These cover the
   situations I encountered, or assume I will encounter, such as single
   internal (struct clk_hw *) parent, single DT (struct clk_parent_data
   .fw_name), multiple internal parents, and multiple mixed (internal +
   DT) parents. A special variant for just an internal single parent is
   added, CLK_HW_INIT_HWS, which lets the driver share the singular
   list, instead of having the compiler create a compound literal every
   time. It might even make sense to only keep this variant.

3) A bunch of CLK_FIXED_FACTOR_* helper macros are added. The rationale
   is the same as the single parent CLK_HW_INIT_* helpers.

4) Bulk conversion of CLK_FIXED_FACTOR to use local parent references,
   either struct clk_hw * or DT .fw_name types, whichever the hardware
   requires.

5) The beginning of SUNXI_CCU_GATE conversion to local parent
   references. This part is not done. They are included as justification
   and examples for the shared list of clk parents case."

* tag 'sunxi-ng-parent-rewrite-part-1-take-2' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux: (25 commits)
  clk: sunxi-ng: sun8i-r: Use local parent references for SUNXI_CCU_GATE
  clk: sunxi-ng: a80-usb: Use local parent references for SUNXI_CCU_GATE
  clk: sunxi-ng: gate: Add macros for referencing local clock parents
  clk: sunxi-ng: h6-r: Use local parent references for CLK_FIXED_FACTOR
  clk: sunxi-ng: h6: Use local parent references for CLK_FIXED_FACTOR
  clk: sunxi-ng: a64: Use local parent references for CLK_FIXED_FACTOR
  clk: sunxi-ng: f1c100s: Use local parent references for CLK_FIXED_FACTOR
  clk: sunxi-ng: sun8i-r: Use local parent references for CLK_FIXED_FACTOR
  clk: sunxi-ng: v3s: Use local parent references for CLK_FIXED_FACTOR
  clk: sunxi-ng: r40: Use local parent references for CLK_FIXED_FACTOR
  clk: sunxi-ng: h3: Use local parent references for CLK_FIXED_FACTOR
  clk: sunxi-ng: a33: Use local parent references for CLK_FIXED_FACTOR
  clk: sunxi-ng: a23: Use local parent references for CLK_FIXED_FACTOR
  clk: sunxi-ng: a31: Use local parent references for CLK_FIXED_FACTOR
  clk: sunxi-ng: sun5i: Use local parent references for CLK_FIXED_FACTOR
  clk: sunxi-ng: a10: Use local parent references for CLK_FIXED_FACTOR
  clk: sunxi-ng: sun8i-r: Use local parent references for CLK_HW_INIT_*
  clk: sunxi-ng: switch to of_clk_hw_register() for registering clks
  clk: fixed-factor: Add CLK_FIXED_FACTOR_FW_NAME for DT clock-names parent
  clk: fixed-factor: Add CLK_FIXED_FACTOR_HWS which takes list of struct clk_hw *
  ...

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