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 7title: SUN6I hardware spinlock driver for Allwinner sun6i compatible SoCs 8 9maintainers: 10 - Wilken Gottwalt <wilken.gottwalt@posteo.net> 11 12description: 13 The hardware unit provides semaphores between the ARM cores and the embedded 14 companion core on the SoC. 15 16properties: 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 32required: 33 - compatible 34 - reg 35 - clocks 36 - resets 37 - "#hwlock-cells" 38 39additionalProperties: false 40 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