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author | Sascha Hauer <s.hauer@pengutronix.de> | 2018-11-07 09:48:28 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-11-08 08:57:14 +0100 |
commit | 646d1a09f05689a3a4781112a3b3e4747d0ba231 (patch) | |
tree | fe48ab82140e06e495051098fde1d97a4b1e56d5 /dts/Bindings/timer/csky,mptimer.txt | |
parent | ebc406c1ab2be0e6002e1d8ccbc5c1377a882895 (diff) | |
download | barebox-646d1a09f05689a3a4781112a3b3e4747d0ba231.tar.gz barebox-646d1a09f05689a3a4781112a3b3e4747d0ba231.tar.xz |
dts: update to v4.20-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/timer/csky,mptimer.txt')
-rw-r--r-- | dts/Bindings/timer/csky,mptimer.txt | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/dts/Bindings/timer/csky,mptimer.txt b/dts/Bindings/timer/csky,mptimer.txt new file mode 100644 index 0000000000..15cfec08fb --- /dev/null +++ b/dts/Bindings/timer/csky,mptimer.txt @@ -0,0 +1,42 @@ +============================ +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>; + }; |