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