[PATCH V7 00/12] add clock driver for Spreadtrum platforms
Chunyan Zhang
zhang.lyra at gmail.com
Mon Dec 18 01:46:29 PST 2017
Hi,
Since holidays are comming for many people, and then the next merge
window will come soon after holidays?
If you have any comments, please let me know, I hope this patchset can
be merged into the following merge window.
Wish you all a Merry Christmas and Happy New Year!
Thanks,
Chunyan
On 7 December 2017 at 20:57, Chunyan Zhang <chunyan.zhang at spreadtrum.com> wrote:
> From: Chunyan Zhang <zhang.chunyan at linaro.org>
>
> This series adds Spreadtrum clock support together with its binding
> documentation and devicetree data.
>
> Any comments would be greatly appreciated.
>
> Thanks,
> Chunyan
>
> Changes from V6: (https://lkml.org/lkml/2017/11/27/217)
> * Changed to use "//" format for the file header
> * Addressed Stephen's comments:
> - Put the common macros in clk-provider.h instead of clk_common.h, also removed
> the same macros from sunxi-ng/ccu_common.h and zte/clk.h;
> - Removed CLK_FIXED_RATE(), and moved the fixed rate clocks from driver to DT;
> - Use devm_of_clk_add_hw_provider() instead;
> - Removed sprd_regmap_{read|write}(), use regmap API directly;
> - Removed all full stop on error messages.
> * Use IS_ERR_OR_NULL() instead of IS_ERR() for checking regmap pointers;
>
> Changes from V5: (https://lkml.org/lkml/2017/11/20/21)
> * Rebased the whole patch-set to 4.15-rc1;
> * Fixed kbuild-test warnings;
> * Switched to use devm_clk_hw_register() instead of clk_hw_register();
> * Removed useless debug information from sc9860-clk.c.
>
> Changes from V4: (https://lkml.org/lkml/2017/11/10/30)
> * Added acked-by of Rob Herring;
> * Removed spin lock from Spreadtrum's gate, mux, div drivers, since we have
> switched to use regmap.
>
> Changes from V3: (https://lkml.org/lkml/2017/11/2/61)
> * Addressed comments from Julien Thierry:
> - Clean the if branch of sprd_mux_helper_get_parent()
> - Have the Gate clock macros and ops for both mode (i.e. sc_gate and gate) separate;
> - Have the Mux clock macros with/without table separate, and same changes
> for the composite clock.
> * Switched the function name from _endisable to _toggle;
> * Fixed Kbuild test error:
> - Added exporting sprd_clk_regmap_init() which would be used in other module(s);
> * Change the function sprd_clk_set_regmap() to the static one, and removed the
> declear from the include file;
> * Addressed comments from Rob:
> - Separate the dt-binding include file from the driver patch;
> - Documented more for the property "clocks"
> * Changed the syscon device names;
> * Changed the name of 'sprd_mux_internal' to 'sprd_mux_ssel'
>
>
> Changes from V2: (http://lkml.iu.edu/hypermail/linux/kernel/1707.1/01504.html)
> * Switch to use regmap to access registers;
> * Splited all clocks into 16 separated nodes, for each belongs to a single address area;
> * Rearranged the order of clock declaration in sc9860-clk.c, sorted them upon the address area;
> * Added syscon device tree nodes which will be quoted by the node of clocks which are in
> the same address area with the syscon device;
> * Revised the binding documentation according to the dt modification.
>
> Changes from V1: (https://lkml.org/lkml/2017/6/17/356)
> * Address Stephen's comments:
> - Switch to use platform device driver instead of the DT probing mechanism.
> - Move the common clock macro out from vendor directory, but need to remove those
> overlap code from other vendors (such as sunxi-ng) once this get merged.
> - Add support to be built as a module.
> - Add 'sprd_' prefix for all spin locks used in these drivers.
> - Mark input parameter of sprd_x with const.
> - Remove unreasonable dependencies to CONFIG_64BIT.
> - Add readl() after writing the same register.
> - Remove CLK_IS_BASIC which is no longer used.
> - Remove unnecessery CLK_IGNORE_UNUSED when defining a clock.
> - Change to expose all clock index.
> - Use clk_ instead of ccu.
> - Add Kconfig for sprd clocks.
> - Move the fixed clocks out from the soc node.
> - Switch to use 64-bit math in pll driver instead of 32-bit math.
> * Revise binding documentation according to dt modification.
> * Rename sc9860.c to sc9860-clk.c
>
>
> Chunyan Zhang (12):
> drivers: move clock common macros out from vendor directories
> clk: sprd: Add common infrastructure
> clk: sprd: add gate clock support
> clk: sprd: add mux clock support
> clk: sprd: add divider clock support
> clk: sprd: add composite clock support
> clk: sprd: add adjustable pll support
> dt-bindings: Add Spreadtrum clock binding documentation
> clk: sprd: Add dt-bindings include file for SC9860
> clk: sprd: add clocks support for SC9860
> arm64: dts: add syscon for whale2 platform
> arm64: dts: add clocks for SC9860
>
> Documentation/devicetree/bindings/clock/sprd.txt | 63 +
> arch/arm64/boot/dts/sprd/sc9860.dtsi | 115 ++
> arch/arm64/boot/dts/sprd/whale2.dtsi | 62 +-
> drivers/clk/Kconfig | 1 +
> drivers/clk/Makefile | 1 +
> drivers/clk/sprd/Kconfig | 14 +
> drivers/clk/sprd/Makefile | 11 +
> drivers/clk/sprd/common.c | 96 ++
> drivers/clk/sprd/common.h | 38 +
> drivers/clk/sprd/composite.c | 60 +
> drivers/clk/sprd/composite.h | 51 +
> drivers/clk/sprd/div.c | 90 +
> drivers/clk/sprd/div.h | 75 +
> drivers/clk/sprd/gate.c | 111 ++
> drivers/clk/sprd/gate.h | 59 +
> drivers/clk/sprd/mux.c | 76 +
> drivers/clk/sprd/mux.h | 74 +
> drivers/clk/sprd/pll.c | 266 +++
> drivers/clk/sprd/pll.h | 108 ++
> drivers/clk/sprd/sc9860-clk.c | 1974 ++++++++++++++++++++++
> drivers/clk/sunxi-ng/ccu_common.h | 29 -
> drivers/clk/zte/clk.h | 18 -
> include/dt-bindings/clock/sprd,sc9860-clk.h | 404 +++++
> include/linux/clk-provider.h | 38 +
> 24 files changed, 3785 insertions(+), 49 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/clock/sprd.txt
> create mode 100644 drivers/clk/sprd/Kconfig
> create mode 100644 drivers/clk/sprd/Makefile
> create mode 100644 drivers/clk/sprd/common.c
> create mode 100644 drivers/clk/sprd/common.h
> create mode 100644 drivers/clk/sprd/composite.c
> create mode 100644 drivers/clk/sprd/composite.h
> create mode 100644 drivers/clk/sprd/div.c
> create mode 100644 drivers/clk/sprd/div.h
> create mode 100644 drivers/clk/sprd/gate.c
> create mode 100644 drivers/clk/sprd/gate.h
> create mode 100644 drivers/clk/sprd/mux.c
> create mode 100644 drivers/clk/sprd/mux.h
> create mode 100644 drivers/clk/sprd/pll.c
> create mode 100644 drivers/clk/sprd/pll.h
> create mode 100644 drivers/clk/sprd/sc9860-clk.c
> create mode 100644 include/dt-bindings/clock/sprd,sc9860-clk.h
>
> --
> 2.7.4
>
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