diff options
Diffstat (limited to 'Documentation/devicetree/bindings/timer/csky,mptimer.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/timer/csky,mptimer.yaml | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/timer/csky,mptimer.yaml b/Documentation/devicetree/bindings/timer/csky,mptimer.yaml new file mode 100644 index 000000000000..12cc5282c8f8 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/csky,mptimer.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/csky,mptimer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: C-SKY Multi-processors Timer + +maintainers: + - Flavio Suligoi <f.suligoi@asem.it> + - Guo Ren <guoren@kernel.org> + +description: | + C-SKY multi-processors timer is designed for C-SKY SMP system and the regs are + 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 trigger next event. + +properties: + compatible: + items: + - const: csky,mptimer + + clocks: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - clocks + - interrupts + +additionalProperties: false + +examples: + - | + timer { + compatible = "csky,mptimer"; + clocks = <&dummy_apb_clk>; + interrupts = <16>; + }; |