Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/timer/renesas,ostm.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Renesas OS Timer (OSTM) |
| 8 | |
| 9 | maintainers: |
| 10 | - Chris Brandt <chris.brandt@renesas.com> |
| 11 | - Geert Uytterhoeven <geert+renesas@glider.be> |
| 12 | |
| 13 | description: |
| 14 | The OSTM is a multi-channel 32-bit timer/counter with fixed clock source that |
| 15 | can operate in either interval count down timer or free-running compare match |
| 16 | mode. |
| 17 | |
| 18 | Channels are independent from each other. |
| 19 | |
| 20 | properties: |
| 21 | compatible: |
| 22 | items: |
| 23 | - enum: |
| 24 | - renesas,r7s72100-ostm # RZ/A1H |
| 25 | - renesas,r7s9210-ostm # RZ/A2M |
Tom Rini | 6bb92fc | 2024-05-20 09:54:58 -0600 | [diff] [blame] | 26 | - renesas,r9a07g043-ostm # RZ/G2UL and RZ/Five |
Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 27 | - renesas,r9a07g044-ostm # RZ/G2{L,LC} |
| 28 | - renesas,r9a07g054-ostm # RZ/V2L |
Tom Rini | 762f85b | 2024-07-20 11:15:10 -0600 | [diff] [blame^] | 29 | - renesas,r9a09g057-ostm # RZ/V2H(P) |
Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 30 | - const: renesas,ostm # Generic |
| 31 | |
| 32 | reg: |
| 33 | maxItems: 1 |
| 34 | |
| 35 | interrupts: |
| 36 | maxItems: 1 |
| 37 | |
| 38 | clocks: |
| 39 | maxItems: 1 |
| 40 | |
| 41 | power-domains: |
| 42 | maxItems: 1 |
| 43 | |
| 44 | resets: |
| 45 | maxItems: 1 |
| 46 | |
| 47 | required: |
| 48 | - compatible |
| 49 | - reg |
| 50 | - interrupts |
| 51 | - clocks |
| 52 | - power-domains |
| 53 | |
| 54 | if: |
| 55 | properties: |
| 56 | compatible: |
| 57 | contains: |
| 58 | enum: |
| 59 | - renesas,r9a07g043-ostm |
| 60 | - renesas,r9a07g044-ostm |
| 61 | - renesas,r9a07g054-ostm |
Tom Rini | 762f85b | 2024-07-20 11:15:10 -0600 | [diff] [blame^] | 62 | - renesas,r9a09g057-ostm |
Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 63 | then: |
| 64 | required: |
| 65 | - resets |
| 66 | |
| 67 | additionalProperties: false |
| 68 | |
| 69 | examples: |
| 70 | - | |
| 71 | #include <dt-bindings/clock/r7s72100-clock.h> |
| 72 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 73 | ostm0: timer@fcfec000 { |
| 74 | compatible = "renesas,r7s72100-ostm", "renesas,ostm"; |
| 75 | reg = <0xfcfec000 0x30>; |
| 76 | interrupts = <GIC_SPI 102 IRQ_TYPE_EDGE_RISING>; |
| 77 | clocks = <&mstp5_clks R7S72100_CLK_OSTM0>; |
| 78 | power-domains = <&cpg_clocks>; |
| 79 | }; |