63 lines
1.4 KiB
YAML
63 lines
1.4 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/bus/qcom,ssbi.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm Single-wire Serial Bus Interface (SSBI)
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description:
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Some Qualcomm MSM devices contain a point-to-point serial bus used to
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communicate with a limited range of devices (mostly power management
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chips).
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maintainers:
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- Andy Gross <agross@kernel.org>
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- Bjorn Andersson <andersson@kernel.org>
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properties:
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compatible:
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const: qcom,ssbi
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reg:
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maxItems: 1
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qcom,controller-type:
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description:
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Indicates the SSBI bus variant the controller should use to talk
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with the slave device. The type chosen is determined by the attached
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slave.
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enum:
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- ssbi
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- ssbi2
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- pmic-arbiter
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pmic:
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$ref: /schemas/mfd/qcom-pm8xxx.yaml#
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required:
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- compatible
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- reg
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- qcom,controller-type
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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ssbi@c00000 {
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compatible = "qcom,ssbi";
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reg = <0x00c00000 0x1000>;
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qcom,controller-type = "pmic-arbiter";
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pmic {
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compatible = "qcom,pm8821";
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interrupt-parent = <&msmgpio>;
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interrupts = <76 IRQ_TYPE_LEVEL_LOW>;
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#interrupt-cells = <2>;
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interrupt-controller;
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#address-cells = <1>;
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#size-cells = <0>;
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};
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};
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...
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