| # 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>; |
| }; |
| }; |
| ... |
