| # 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>; |
| }; |