1# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/hwlock/ti,omap-hwspinlock.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: TI HwSpinlock for OMAP and K3 based SoCs 8 9maintainers: 10 - Suman Anna <s-anna@ti.com> 11 12properties: 13 compatible: 14 enum: 15 - ti,omap4-hwspinlock # for OMAP44xx, OMAP54xx, AM33xx, AM43xx, DRA7xx SoCs 16 - ti,am64-hwspinlock # for K3 AM64x SoCs 17 - ti,am654-hwspinlock # for K3 AM65x, J721E and J7200 SoCs 18 19 reg: 20 maxItems: 1 21 22 "#hwlock-cells": 23 const: 1 24 description: | 25 The OMAP hwspinlock users will use a 0-indexed relative hwlock number as 26 the argument specifier value for requesting a specific hwspinlock within 27 a hwspinlock bank. 28 29 Please look at the generic hwlock binding for usage information for 30 consumers, "Documentation/devicetree/bindings/hwlock/hwlock.txt" 31 32required: 33 - compatible 34 - reg 35 - "#hwlock-cells" 36 37additionalProperties: false 38 39examples: 40 41 - | 42 /* OMAP4 SoCs */ 43 hwspinlock: spinlock@4a0f6000 { 44 compatible = "ti,omap4-hwspinlock"; 45 reg = <0x4a0f6000 0x1000>; 46 #hwlock-cells = <1>; 47 }; 48 49 - | 50 / { 51 /* K3 AM65x SoCs */ 52 model = "Texas Instruments K3 AM654 SoC"; 53 compatible = "ti,am654-evm", "ti,am654"; 54 #address-cells = <2>; 55 #size-cells = <2>; 56 57 bus@100000 { 58 compatible = "simple-bus"; 59 #address-cells = <2>; 60 #size-cells = <2>; 61 ranges = <0x00 0x00100000 0x00 0x00100000 0x00 0x00020000>, /* ctrl mmr */ 62 <0x00 0x30800000 0x00 0x30800000 0x00 0x0bc00000>; /* Main NavSS */ 63 64 bus@30800000 { 65 compatible = "simple-mfd"; 66 #address-cells = <2>; 67 #size-cells = <2>; 68 ranges = <0x00 0x30800000 0x00 0x30800000 0x00 0x0bc00000>; 69 70 spinlock@30e00000 { 71 compatible = "ti,am654-hwspinlock"; 72 reg = <0x00 0x30e00000 0x00 0x1000>; 73 #hwlock-cells = <1>; 74 }; 75 }; 76 }; 77 }; 78