| 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/hwlock/allwinner,sun6i-a31-hwspinlock.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: SUN6I hardware spinlock driver for Allwinner sun6i compatible SoCs |
| 8 | |
| 9 | maintainers: |
| 10 | - Wilken Gottwalt <wilken.gottwalt@posteo.net> |
| 11 | |
| 12 | description: |
| 13 | The hardware unit provides semaphores between the ARM cores and the embedded |
| 14 | companion core on the SoC. |
| 15 | |
| 16 | properties: |
| 17 | compatible: |
| 18 | const: allwinner,sun6i-a31-hwspinlock |
| 19 | |
| 20 | reg: |
| 21 | maxItems: 1 |
| 22 | |
| 23 | clocks: |
| 24 | maxItems: 1 |
| 25 | |
| 26 | resets: |
| 27 | maxItems: 1 |
| 28 | |
| 29 | '#hwlock-cells': |
| 30 | const: 1 |
| 31 | |
| 32 | required: |
| 33 | - compatible |
| 34 | - reg |
| 35 | - clocks |
| 36 | - resets |
| 37 | - "#hwlock-cells" |
| 38 | |
| 39 | additionalProperties: false |
| 40 | |
| 41 | examples: |
| 42 | - | |
| 43 | #include <dt-bindings/clock/sun8i-a23-a33-ccu.h> |
| 44 | #include <dt-bindings/reset/sun8i-a23-a33-ccu.h> |
| 45 | |
| 46 | hwlock@1c18000 { |
| 47 | compatible = "allwinner,sun6i-a31-hwspinlock"; |
| 48 | reg = <0x01c18000 0x1000>; |
| 49 | clocks = <&ccu CLK_BUS_SPINLOCK>; |
| 50 | resets = <&ccu RST_BUS_SPINLOCK>; |
| 51 | #hwlock-cells = <1>; |
| 52 | }; |
| 53 | ... |