add Amlogic A1 clock controller driver

add support for Amlogic A1 clock driver, the clock includes 
three parts: peripheral clocks, pll clocks, CPU clocks.
sys pll and CPU clocks will be sent in next patch.

Changes since v1 at [2]:
-add probe function for A1
-seperate the clock driver into two patch
-change some clock flags and ops
-add support for a1 PLL ops
-add A1 clock node

Changes since v1 at [1]:
-place A1 config alphabetically
-add actual reason for RO ops, CLK_IS_CRITICAL, CLK_IGNORE_UNUSED
-separate the driver into two driver: peripheral and pll driver
-delete CLK_IGNORE_UNUSED flag for pwm b/c/d/e/f clock, dsp clock
-delete the change in Kconfig.platforms, address to Kevin alone
-remove the useless comments
-modify the meson pll driver to support A1 PLLs

[1] https://lkml.kernel.org/r/1569411888-98116-1-git-send-ema...
[2] https://lkml.kernel.org/r/1571382865-41978-1-git-send-ema...

Jian Hu (7):
  dt-bindings: clock: meson: add A1 PLL clock controller bindings
  clk: meson: add support for A1 PLL clock ops
  clk: meson: eeclk: refactor eeclk common driver to support A1
  clk: meson: a1: add support for Amlogic A1 PLL clock driver
  dt-bindings: clock: meson: add A1 peripheral clock controller bindings
  clk: meson: a1: add support for Amlogic A1 Peripheral clock driver
  arm64: dts: meson: add A1 PLL and periphs clock controller

 .../bindings/clock/amlogic,a1-clkc.yaml       |   70 +
 .../bindings/clock/amlogic,a1-pll-clkc.yaml   |   56 +
 arch/arm64/boot/dts/amlogic/meson-a1.dtsi     |   26 +
 drivers/clk/meson/Kconfig                     |   20 +
 drivers/clk/meson/Makefile                    |    2 +
 drivers/clk/meson/a1-pll.c                    |  334 +++
 drivers/clk/meson/a1-pll.h                    |   56 +
 drivers/clk/meson/a1.c                        | 2309 +++++++++++++++++
 drivers/clk/meson/a1.h                        |  120 +
 drivers/clk/meson/clk-pll.c                   |   21 +
 drivers/clk/meson/clk-pll.h                   |    1 +
 drivers/clk/meson/meson-eeclk.c               |   59 +-
 drivers/clk/meson/meson-eeclk.h               |    2 +
 drivers/clk/meson/parm.h                      |    1 +
 include/dt-bindings/clock/a1-clkc.h           |   98 +
 include/dt-bindings/clock/a1-pll-clkc.h       |   16 +
 16 files changed, 3181 insertions(+), 10 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/clock/amlogic,a1-clkc.yaml
 create mode 100644 Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
 create mode 100644 drivers/clk/meson/a1-pll.c
 create mode 100644 drivers/clk/meson/a1-pll.h
 create mode 100644 drivers/clk/meson/a1.c
 create mode 100644 drivers/clk/meson/a1.h
 create mode 100644 include/dt-bindings/clock/a1-clkc.h
 create mode 100644 include/dt-bindings/clock/a1-pll-clkc.h

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2.24.0