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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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75c7aaa66f
Add devicetree binding schema for the system controller implemented on Socionext Uniphier SoCs. This system controller has multiple functions such as clock control, reset control, internal watchdog timer, thermal management, and so on. Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20221213082449.2721-10-hayashi.kunihiko@socionext.com Signed-off-by: Rob Herring <robh@kernel.org>
105 lines
2.6 KiB
YAML
105 lines
2.6 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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$id: http://devicetree.org/schemas/soc/socionext/socionext,uniphier-sysctrl.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Socionext UniPhier system controller
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maintainers:
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- Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
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description: |+
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System controller implemented on Socionext UniPhier SoCs has multiple
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functions such as clock control, reset control, internal watchdog timer,
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thermal management, and so on.
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properties:
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compatible:
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items:
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- enum:
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- socionext,uniphier-ld4-sysctrl
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- socionext,uniphier-pro4-sysctrl
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- socionext,uniphier-pro5-sysctrl
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- socionext,uniphier-pxs2-sysctrl
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- socionext,uniphier-sld8-sysctrl
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- socionext,uniphier-ld11-sysctrl
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- socionext,uniphier-ld20-sysctrl
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- socionext,uniphier-pxs3-sysctrl
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- socionext,uniphier-nx1-sysctrl
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- const: simple-mfd
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- const: syscon
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reg:
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maxItems: 1
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clock-controller:
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$ref: /schemas/clock/socionext,uniphier-clock.yaml#
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reset-controller:
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$ref: /schemas/reset/socionext,uniphier-reset.yaml#
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watchdog:
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$ref: /schemas/watchdog/socionext,uniphier-wdt.yaml#
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thermal-sensor:
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$ref: /schemas/thermal/socionext,uniphier-thermal.yaml#
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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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const: socionext,uniphier-ld4-sysctrl
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then:
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properties:
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watchdog: false
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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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- socionext,uniphier-ld4-sysctrl
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- socionext,uniphier-pro4-sysctrl
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- socionext,uniphier-sld8-sysctrl
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- socionext,uniphier-ld11-sysctrl
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then:
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properties:
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thermal-sensor: false
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additionalProperties: false
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required:
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- compatible
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- reg
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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syscon@61840000 {
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compatible = "socionext,uniphier-ld20-sysctrl",
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"simple-mfd", "syscon";
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reg = <0x61840000 0x4000>;
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clock-controller {
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compatible = "socionext,uniphier-ld20-clock";
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#clock-cells = <1>;
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};
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reset-controller {
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compatible = "socionext,uniphier-ld20-reset";
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#reset-cells = <1>;
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};
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watchdog {
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compatible = "socionext,uniphier-wdt";
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};
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thermal-sensor {
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compatible = "socionext,uniphier-ld20-thermal";
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interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
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#thermal-sensor-cells = <0>;
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};
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};
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