Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull more timer updates from Thomas Gleixner:
 "A set of commits for the new C-SKY architecture timers"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  dt-bindings: timer: gx6605s SOC timer
  clocksource/drivers/c-sky: Add gx6605s SOC system timer
  dt-bindings: timer: C-SKY Multi-processor timer
  clocksource/drivers/c-sky: Add C-SKY SMP timer
This commit is contained in:
Linus Torvalds
2018-11-04 08:15:15 -08:00
7 changed files with 432 additions and 0 deletions

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=================
gx6605s SOC Timer
=================
The timer is used in gx6605s soc as system timer and the driver
contain clk event and clk source.
==============================
timer node bindings definition
==============================
Description: Describes gx6605s SOC timer
PROPERTIES
- compatible
Usage: required
Value type: <string>
Definition: must be "csky,gx6605s-timer"
- reg
Usage: required
Value type: <u32 u32>
Definition: <phyaddr size> in soc from cpu view
- clocks
Usage: required
Value type: phandle + clock specifier cells
Definition: must be input clk node
- interrupt
Usage: required
Value type: <u32>
Definition: must be timer irq num defined by soc
Examples:
---------
timer0: timer@20a000 {
compatible = "csky,gx6605s-timer";
reg = <0x0020a000 0x400>;
clocks = <&dummy_apb_clk>;
interrupts = <10>;
interrupt-parent = <&intc>;
};

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============================
C-SKY Multi-processors Timer
============================
C-SKY multi-processors timer is designed for C-SKY SMP system and the
regs is accessed by cpu co-processor 4 registers with mtcr/mfcr.
- PTIM_CTLR "cr<0, 14>" Control reg to start reset timer.
- PTIM_TSR "cr<1, 14>" Interrupt cleanup status reg.
- PTIM_CCVR "cr<3, 14>" Current counter value reg.
- PTIM_LVR "cr<6, 14>" Window value reg to triger next event.
==============================
timer node bindings definition
==============================
Description: Describes SMP timer
PROPERTIES
- compatible
Usage: required
Value type: <string>
Definition: must be "csky,mptimer"
- clocks
Usage: required
Value type: <node>
Definition: must be input clk node
- interrupts
Usage: required
Value type: <u32>
Definition: must be timer irq num defined by soc
Examples:
---------
timer: timer {
compatible = "csky,mptimer";
clocks = <&dummy_apb_clk>;
interrupts = <16>;
interrupt-parent = <&intc>;
};