| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/hwlock/allwinner,sun6i-a31-hwspinlock.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: SUN6I hardware spinlock driver for Allwinner sun6i compatible SoCs |
| |
| maintainers: |
| - Wilken Gottwalt <wilken.gottwalt@posteo.net> |
| |
| description: |
| The hardware unit provides semaphores between the ARM cores and the embedded |
| companion core on the SoC. |
| |
| properties: |
| compatible: |
| const: allwinner,sun6i-a31-hwspinlock |
| |
| reg: |
| maxItems: 1 |
| |
| clocks: |
| maxItems: 1 |
| |
| resets: |
| maxItems: 1 |
| |
| '#hwlock-cells': |
| const: 1 |
| |
| required: |
| - compatible |
| - reg |
| - clocks |
| - resets |
| - "#hwlock-cells" |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/clock/sun8i-a23-a33-ccu.h> |
| #include <dt-bindings/reset/sun8i-a23-a33-ccu.h> |
| |
| hwlock@1c18000 { |
| compatible = "allwinner,sun6i-a31-hwspinlock"; |
| reg = <0x01c18000 0x1000>; |
| clocks = <&ccu CLK_BUS_SPINLOCK>; |
| resets = <&ccu RST_BUS_SPINLOCK>; |
| #hwlock-cells = <1>; |
| }; |
| ... |
