134 lines
3.1 KiB
YAML
134 lines
3.1 KiB
YAML
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# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/soc/samsung/exynos-pmu.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Samsung Exynos SoC series Power Management Unit (PMU)
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maintainers:
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- Krzysztof Kozlowski <krzk@kernel.org>
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# Custom select to avoid matching all nodes with 'syscon'
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select:
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properties:
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compatible:
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contains:
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enum:
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- samsung,exynos3250-pmu
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- samsung,exynos4210-pmu
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- samsung,exynos4412-pmu
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- samsung,exynos5250-pmu
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- samsung,exynos5260-pmu
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- samsung,exynos5410-pmu
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- samsung,exynos5420-pmu
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- samsung,exynos5433-pmu
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- samsung,exynos7-pmu
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- samsung,exynos850-pmu
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- samsung-s5pv210-pmu
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required:
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- compatible
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properties:
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compatible:
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items:
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- enum:
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- samsung,exynos3250-pmu
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- samsung,exynos4210-pmu
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- samsung,exynos4412-pmu
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- samsung,exynos5250-pmu
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- samsung,exynos5260-pmu
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- samsung,exynos5410-pmu
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- samsung,exynos5420-pmu
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- samsung,exynos5433-pmu
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- samsung,exynos7-pmu
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- samsung,exynos850-pmu
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- samsung-s5pv210-pmu
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- const: syscon
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reg:
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maxItems: 1
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'#clock-cells':
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const: 1
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clock-names:
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description:
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List of clock names for particular CLKOUT mux inputs
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minItems: 1
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maxItems: 32
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items:
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pattern: '^clkout([0-9]|[12][0-9]|3[0-1])$'
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clocks:
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minItems: 1
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maxItems: 32
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interrupt-controller:
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description:
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Some PMUs are capable of behaving as an interrupt controller (mostly
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to wake up a suspended PMU).
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'#interrupt-cells':
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description:
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Must be identical to the that of the parent interrupt controller.
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const: 3
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reboot-mode:
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$ref: /schemas/power/reset/syscon-reboot-mode.yaml
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type: object
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description:
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Reboot mode to alter bootloader behavior for the next boot
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syscon-poweroff:
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$ref: /schemas/power/reset/syscon-poweroff.yaml#
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type: object
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description:
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Node for power off method
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syscon-reboot:
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$ref: /schemas/power/reset/syscon-reboot.yaml#
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type: object
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description:
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Node for reboot method
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required:
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- compatible
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- reg
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additionalProperties: false
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allOf:
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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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- samsung,exynos3250-pmu
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- samsung,exynos4210-pmu
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- samsung,exynos4412-pmu
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- samsung,exynos5250-pmu
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- samsung,exynos5410-pmu
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- samsung,exynos5420-pmu
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- samsung,exynos5433-pmu
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then:
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required:
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- '#clock-cells'
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- clock-names
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- clocks
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examples:
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- |
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#include <dt-bindings/clock/exynos5250.h>
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pmu_system_controller: system-controller@10040000 {
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compatible = "samsung,exynos5250-pmu", "syscon";
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reg = <0x10040000 0x5000>;
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interrupt-controller;
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#interrupt-cells = <3>;
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interrupt-parent = <&gic>;
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#clock-cells = <1>;
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clock-names = "clkout16";
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clocks = <&clock CLK_FIN_PLL>;
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};
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