[PATCH v2 00/11] Add real clock support for Rockchip's RK3188

[Max Schwarz]

Hello Heiko,

This series:
Acked-by: Max Schwarz <max.schwarz at online.de>
Tested-by: Max Schwarz <max.schwarz at online.de>
on Radxa Rock (RK3188).

Cheers,
  Max

On Wednesday 07 May 2014 at 23:09:53, Heiko Stübner wrote:
> This series add a clock driver infrastructure for Rockchip SoCs in
> general and clock-definitions for the RK3188 in particular.
> 
> Due to the lack of any usable documentation of the RK3188 clocks, the
> clock tree is based on my own doc [0] collected by analyzing the
> clock_data code in current Rockchip kernels. As a result the gathered
> data may contain errors. So to prevent API issues with the clock-ids,
> the exported ones are currently limited to well understood or really
> measured clocks.
> 
> The previous attempt to define parts separately in the devicetree did
> not really fit with the clock structure, which became apparent with more
> knowledge about the clock tree and this new driver framework, heavily
> inspired by the Samsung clock driver, fits very well for clock controllers
> in Rockchip SoCs.
> 
> The whole structure should support Rockchip SoCs at least down to
> the RK28xx (ARM9) which all share a very similar setup of their clock
> controllers in PLL, divider and gate handling as well as the included
> softreset parts.
> 
> changes since v1:
> - adapt to apply on current clk-next branch
> - add saradc clock
> - add rk3188a cru, which has a slightly different handling of one
>   pll value (bwadj)
> 
> [0]
> https://docs.google.com/document/d/1voaR9Xk3lisCQIG3ThySOSnSHBUequljQYnceFl
> r53w/edit?usp=sharing
> 
> Heiko Stuebner (11):
>   clk: divider: add CLK_DIVIDER_READ_ONLY flag
>   clk: rockchip: add basic infrastructure
>   clk: rockchip: add clock type for pll clocks and pll used on rk3066
>   clk: rockchip: add special cpu clock type
>   clk: rockchip: add reset controller
>   dt-bindings: add documentation for rk3188 clock and reset unit
>   clk: rockchip: add clock driver for rk3188 clocks
>   ARM: rockchip: Select ARCH_HAS_RESET_CONTROLLER
>   ARM: dts: rk3188: add cru node and update device clocks to use it
>   ARM: dts: rockchip: move rk3188 core input clocks into main dtsi
>   ARM: dts: rockchip: remove the now obsolete rk3188-clocks.dtsi
> 
>  .../bindings/clock/rockchip,rk3188-cru.txt         |  74 ++++
>  arch/arm/boot/dts/rk3188-clocks.dtsi               | 289 -------------
>  arch/arm/boot/dts/rk3188.dtsi                      |  80 +++-
>  arch/arm/mach-rockchip/Kconfig                     |   1 +
>  drivers/clk/clk-divider.c                          |  10 +-
>  drivers/clk/rockchip/Makefile                      |   6 +
>  drivers/clk/rockchip/clk-cpu.c                     | 434
> +++++++++++++++++++ drivers/clk/rockchip/clk-pll.c                     |
> 316 ++++++++++++++ drivers/clk/rockchip/clk-rk3188.c                  | 479
> +++++++++++++++++++++ drivers/clk/rockchip/clk.c                         |
> 168 ++++++++ drivers/clk/rockchip/clk.h                         | 251
> +++++++++++ drivers/clk/rockchip/softrst.c                     | 115 +++++
>  include/dt-bindings/clock/rk3188-cru.h             |  81 ++++
>  include/linux/clk-provider.h                       |   4 +
>  14 files changed, 2013 insertions(+), 295 deletions(-)
>  create mode 100644
> Documentation/devicetree/bindings/clock/rockchip,rk3188-cru.txt delete mode
> 100644 arch/arm/boot/dts/rk3188-clocks.dtsi
>  create mode 100644 drivers/clk/rockchip/clk-cpu.c
>  create mode 100644 drivers/clk/rockchip/clk-pll.c
>  create mode 100644 drivers/clk/rockchip/clk-rk3188.c
>  create mode 100644 drivers/clk/rockchip/clk.c
>  create mode 100644 drivers/clk/rockchip/clk.h
>  create mode 100644 drivers/clk/rockchip/softrst.c
>  create mode 100644 include/dt-bindings/clock/rk3188-cru.h