1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/soc/bcm/brcm,bcm2835-pm.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: BCM2835 PM (Power domains, watchdog) 8 9description: | 10 The PM block controls power domains and some reset lines, and includes a 11 watchdog timer. 12 13maintainers: 14 - Nicolas Saenz Julienne <nsaenz@kernel.org> 15 16allOf: 17 - $ref: ../../watchdog/watchdog.yaml# 18 19properties: 20 compatible: 21 items: 22 - enum: 23 - brcm,bcm2835-pm 24 - brcm,bcm2711-pm 25 - const: brcm,bcm2835-pm-wdt 26 27 reg: 28 minItems: 2 29 maxItems: 3 30 31 reg-names: 32 minItems: 2 33 items: 34 - const: pm 35 - const: asb 36 - const: rpivid_asb 37 38 "#power-domain-cells": 39 const: 1 40 41 "#reset-cells": 42 const: 1 43 44 clocks: 45 minItems: 4 46 maxItems: 4 47 48 clock-names: 49 items: 50 - const: v3d 51 - const: peri_image 52 - const: h264 53 - const: isp 54 55 system-power-controller: 56 type: boolean 57 58 timeout-sec: true 59 60required: 61 - compatible 62 - reg 63 - "#power-domain-cells" 64 - "#reset-cells" 65 - clocks 66 67additionalProperties: false 68 69examples: 70 - | 71 #include <dt-bindings/clock/bcm2835.h> 72 73 watchdog@7e100000 { 74 compatible = "brcm,bcm2835-pm", "brcm,bcm2835-pm-wdt"; 75 #power-domain-cells = <1>; 76 #reset-cells = <1>; 77 reg = <0x7e100000 0x114>, 78 <0x7e00a000 0x24>; 79 reg-names = "pm", "asb"; 80 clocks = <&clocks BCM2835_CLOCK_V3D>, 81 <&clocks BCM2835_CLOCK_PERI_IMAGE>, 82 <&clocks BCM2835_CLOCK_H264>, 83 <&clocks BCM2835_CLOCK_ISP>; 84 clock-names = "v3d", "peri_image", "h264", "isp"; 85 system-power-controller; 86 }; 87