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