# 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 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 #include hwlock@1c18000 { compatible = "allwinner,sun6i-a31-hwspinlock"; reg = <0x01c18000 0x1000>; clocks = <&ccu CLK_BUS_SPINLOCK>; resets = <&ccu RST_BUS_SPINLOCK>; #hwlock-cells = <1>; }; ...