87 lines · yaml
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause2%YAML 1.23---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 a11 watchdog timer.12 13maintainers:14 - Nicolas Saenz Julienne <nsaenz@kernel.org>15 16allOf:17 - $ref: /schemas/watchdog/watchdog.yaml#18 19properties:20 compatible:21 items:22 - enum:23 - brcm,bcm2835-pm24 - brcm,bcm2711-pm25 - const: brcm,bcm2835-pm-wdt26 27 reg:28 minItems: 229 maxItems: 330 31 reg-names:32 minItems: 233 items:34 - const: pm35 - const: asb36 - const: rpivid_asb37 38 "#power-domain-cells":39 const: 140 41 "#reset-cells":42 const: 143 44 clocks:45 minItems: 446 maxItems: 447 48 clock-names:49 items:50 - const: v3d51 - const: peri_image52 - const: h26453 - const: isp54 55 system-power-controller:56 type: boolean57 58 timeout-sec: true59 60required:61 - compatible62 - reg63 - "#power-domain-cells"64 - "#reset-cells"65 - clocks66 67additionalProperties: false68 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