| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/timer/renesas,ostm.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Renesas OS Timer (OSTM) |
| |
| maintainers: |
| - Chris Brandt <chris.brandt@renesas.com> |
| - Geert Uytterhoeven <geert+renesas@glider.be> |
| |
| description: |
| The OSTM is a multi-channel 32-bit timer/counter with fixed clock source that |
| can operate in either interval count down timer or free-running compare match |
| mode. |
| |
| Channels are independent from each other. |
| |
| properties: |
| compatible: |
| items: |
| - enum: |
| - renesas,r7s72100-ostm # RZ/A1H |
| - renesas,r7s9210-ostm # RZ/A2M |
| - renesas,r9a07g044-ostm # RZ/G2{L,LC} |
| - const: renesas,ostm # Generic |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| maxItems: 1 |
| |
| clocks: |
| maxItems: 1 |
| |
| power-domains: |
| maxItems: 1 |
| |
| resets: |
| maxItems: 1 |
| |
| required: |
| - compatible |
| - reg |
| - interrupts |
| - clocks |
| - power-domains |
| |
| if: |
| properties: |
| compatible: |
| contains: |
| enum: |
| - renesas,r9a07g044-ostm |
| then: |
| required: |
| - resets |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/clock/r7s72100-clock.h> |
| #include <dt-bindings/interrupt-controller/arm-gic.h> |
| ostm0: timer@fcfec000 { |
| compatible = "renesas,r7s72100-ostm", "renesas,ostm"; |
| reg = <0xfcfec000 0x30>; |
| interrupts = <GIC_SPI 102 IRQ_TYPE_EDGE_RISING>; |
| clocks = <&mstp5_clks R7S72100_CLK_OSTM0>; |
| power-domains = <&cpg_clocks>; |
| }; |
