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34194cb385
Add bcm2712-pm compatible and update the bindings to satisfy it's requirements. The PM hardware block inside bcm2712 lacks the "asb" and "rpivid_asb" register ranges and also does not have clocks, update the bindings accordingly. Signed-off-by: Stanimir Varbanov <svarbanov@suse.de> Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
113 lines
2.1 KiB
YAML
113 lines
2.1 KiB
YAML
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/soc/bcm/brcm,bcm2835-pm.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: BCM2835 PM (Power domains, watchdog)
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description: |
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The PM block controls power domains and some reset lines, and includes a
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watchdog timer.
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maintainers:
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- Nicolas Saenz Julienne <nsaenz@kernel.org>
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properties:
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compatible:
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items:
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- enum:
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- brcm,bcm2835-pm
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- brcm,bcm2711-pm
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- brcm,bcm2712-pm
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- const: brcm,bcm2835-pm-wdt
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reg:
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minItems: 1
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maxItems: 3
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reg-names:
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minItems: 1
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items:
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- const: pm
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- const: asb
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- const: rpivid_asb
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"#power-domain-cells":
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const: 1
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"#reset-cells":
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const: 1
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clocks:
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minItems: 4
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maxItems: 4
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clock-names:
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items:
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- const: v3d
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- const: peri_image
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- const: h264
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- const: isp
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system-power-controller:
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type: boolean
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timeout-sec: true
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required:
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- compatible
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- reg
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- "#power-domain-cells"
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- "#reset-cells"
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allOf:
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- $ref: /schemas/watchdog/watchdog.yaml#
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- if:
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properties:
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compatible:
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contains:
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enum:
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- brcm,bcm2835-pm
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- brcm,bcm2711-pm
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then:
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required:
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- clocks
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properties:
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reg:
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minItems: 2
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reg-names:
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minItems: 2
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else:
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properties:
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reg:
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maxItems: 1
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reg-names:
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maxItems: 1
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/bcm2835.h>
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watchdog@7e100000 {
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compatible = "brcm,bcm2835-pm", "brcm,bcm2835-pm-wdt";
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#power-domain-cells = <1>;
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#reset-cells = <1>;
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reg = <0x7e100000 0x114>,
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<0x7e00a000 0x24>;
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reg-names = "pm", "asb";
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clocks = <&clocks BCM2835_CLOCK_V3D>,
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<&clocks BCM2835_CLOCK_PERI_IMAGE>,
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<&clocks BCM2835_CLOCK_H264>,
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<&clocks BCM2835_CLOCK_ISP>;
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clock-names = "v3d", "peri_image", "h264", "isp";
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system-power-controller;
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};
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