[PATCH RESEND V4 0/9] clk: add imx7ulp clk support
From: A.s. Dong
Date: Sun Oct 21 2018 - 09:10:54 EST
This is a rebased version of below patch series against latest clk tree.
[PATCH RESEND V3 0/9] clk: add imx7ulp clk support
It only updates the license to SPDX format as well as a minor fix of
This patch series intends to add imx7ulp clk support.
i.MX7ULP Clock functions are under joint control of the System
Clock Generation (SCG) modules, Peripheral Clock Control (PCC)
modules, and Core Mode Controller (CMC)1 blocks
The clocking scheme provides clear separation between M4 domain
and A7 domain. Except for a few clock sources shared between two
domains, such as the System Oscillator clock, the Slow IRC (SIRC),
and and the Fast IRC clock (FIRCLK), clock sources and clock
management are separated and contained within each domain.
M4 clock management consists of SCG0, PCC0, PCC1, and CMC0 modules.
A7 clock management consists of SCG1, PCC2, PCC3, and CMC1 modules.
Note: this series only adds A7 clock domain support as M4 clock
domain will be handled by M4 seperately.
* update after changing scg and pcc into separete nodes according to
* Patch 1 changed on: 1) split normal and gate ops 2) fix the possible racy
Others no changes.
* add enable/disable for the type of CLK_DIVIDER_ZERO_GATE dividers
* use clk_hw apis to register clocks
* use of_clk_add_hw_provider
* split the clocks register process into two parts: early part for possible
timers clocks registered by CLK_OF_DECLARE_DRIVER and the later part for
the left normal peripheral clocks registered by a platform driver.
Dong Aisheng (9):
clk: clk-divider: add CLK_DIVIDER_ZERO_GATE clk support
clk: fractional-divider: add CLK_FRAC_DIVIDER_ZERO_BASED flag support
clk: imx: add pllv4 support
clk: imx: add pfdv2 support
clk: imx: add composite clk support
dt-bindings: clock: add imx7ulp clock binding doc
clk: imx: make mux parent strings const
clk: imx: implement new clk_hw based APIs
clk: imx: add imx7ulp clk driver
.../devicetree/bindings/clock/imx7ulp-clock.txt | 87 +++++++++
drivers/clk/clk-divider.c | 152 +++++++++++++++
drivers/clk/clk-fractional-divider.c | 10 +
drivers/clk/imx/Makefile | 6 +-
drivers/clk/imx/clk-busy.c | 2 +-
drivers/clk/imx/clk-composite.c | 85 +++++++++
drivers/clk/imx/clk-fixup-mux.c | 2 +-
drivers/clk/imx/clk-imx7ulp.c | 209 +++++++++++++++++++++
drivers/clk/imx/clk-pfdv2.c | 201 ++++++++++++++++++++
drivers/clk/imx/clk-pllv4.c | 182 ++++++++++++++++++
drivers/clk/imx/clk.c | 22 +++
drivers/clk/imx/clk.h | 92 ++++++++-
include/dt-bindings/clock/imx7ulp-clock.h | 109 +++++++++++
include/linux/clk-provider.h | 17 ++
14 files changed, 1166 insertions(+), 10 deletions(-)
create mode 100644 Documentation/devicetree/bindings/clock/imx7ulp-clock.txt
create mode 100644 drivers/clk/imx/clk-composite.c
create mode 100644 drivers/clk/imx/clk-imx7ulp.c
create mode 100644 drivers/clk/imx/clk-pfdv2.c
create mode 100644 drivers/clk/imx/clk-pllv4.c
create mode 100644 include/dt-bindings/clock/imx7ulp-clock.h