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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/hwlock/allwinner,sun6i-a31-hwspinlock.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: SUN6I hardware spinlock driver for Allwinner sun6i compatible SoCs8 9maintainers:10 - Wilken Gottwalt <wilken.gottwalt@posteo.net>11 12description:13 The hardware unit provides semaphores between the ARM cores and the embedded14 companion core on the SoC.15 16properties:17 compatible:18 const: allwinner,sun6i-a31-hwspinlock19 20 reg:21 maxItems: 122 23 clocks:24 maxItems: 125 26 resets:27 maxItems: 128 29 '#hwlock-cells':30 const: 131 32required:33 - compatible34 - reg35 - clocks36 - resets37 - "#hwlock-cells"38 39additionalProperties: false40 41examples: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...54