Files
linux/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
Krzysztof Kozlowski fe6a952b56 dt-bindings: soc: samsung: exynos-pmu: allow phys as child
The MIPI and DisplayPort phys are actually part of the Power Management
Unit system controller, thus allow them as its children, instead of
specifying as separate device nodes with syscon phandle.

Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230127194057.186458-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
2023-01-29 11:36:10 +01:00

177 lines
4.2 KiB
YAML

# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/soc/samsung/exynos-pmu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Samsung Exynos SoC series Power Management Unit (PMU)
maintainers:
- Krzysztof Kozlowski <krzk@kernel.org>
# Custom select to avoid matching all nodes with 'syscon'
select:
properties:
compatible:
contains:
enum:
- samsung,exynos3250-pmu
- samsung,exynos4210-pmu
- samsung,exynos4412-pmu
- samsung,exynos5250-pmu
- samsung,exynos5260-pmu
- samsung,exynos5410-pmu
- samsung,exynos5420-pmu
- samsung,exynos5433-pmu
- samsung,exynos7-pmu
- samsung,exynos850-pmu
- samsung-s5pv210-pmu
required:
- compatible
properties:
compatible:
oneOf:
- items:
- enum:
- samsung,exynos3250-pmu
- samsung,exynos4210-pmu
- samsung,exynos4412-pmu
- samsung,exynos5250-pmu
- samsung,exynos5260-pmu
- samsung,exynos5410-pmu
- samsung,exynos5420-pmu
- samsung,exynos5433-pmu
- samsung,exynos7-pmu
- samsung,exynos850-pmu
- samsung-s5pv210-pmu
- const: syscon
- items:
- enum:
- samsung,exynos5250-pmu
- samsung,exynos5420-pmu
- samsung,exynos5433-pmu
- const: simple-mfd
- const: syscon
reg:
maxItems: 1
'#clock-cells':
const: 1
clock-names:
description:
List of clock names for particular CLKOUT mux inputs
minItems: 1
maxItems: 32
items:
pattern: '^clkout([0-9]|[12][0-9]|3[0-1])$'
clocks:
minItems: 1
maxItems: 32
dp-phy:
$ref: /schemas/phy/samsung,dp-video-phy.yaml
unevaluatedProperties: false
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
mipi-phy:
$ref: /schemas/phy/samsung,mipi-video-phy.yaml
unevaluatedProperties: false
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
- if:
properties:
compatible:
contains:
enum:
- samsung,exynos5250-pmu
- samsung,exynos5420-pmu
- samsung,exynos5433-pmu
then:
properties:
dp-phy: true
mipi-phy: true
else:
properties:
dp-phy: false
mipi-phy: false
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>;
dp-phy {
compatible = "samsung,exynos5250-dp-video-phy";
#phy-cells = <0>;
};
mipi-phy {
compatible = "samsung,s5pv210-mipi-video-phy";
#phy-cells = <1>;
};
};