1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/bus/qcom,ssbi.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Qualcomm Single-wire Serial Bus Interface (SSBI) 8 9description: 10 Some Qualcomm MSM devices contain a point-to-point serial bus used to 11 communicate with a limited range of devices (mostly power management 12 chips). 13 14maintainers: 15 - Andy Gross <agross@kernel.org> 16 - Bjorn Andersson <andersson@kernel.org> 17 18properties: 19 compatible: 20 const: qcom,ssbi 21 22 reg: 23 maxItems: 1 24 25 qcom,controller-type: 26 description: 27 Indicates the SSBI bus variant the controller should use to talk 28 with the slave device. The type chosen is determined by the attached 29 slave. 30 enum: 31 - ssbi 32 - ssbi2 33 - pmic-arbiter 34 35 pmic: 36 $ref: /schemas/mfd/qcom-pm8xxx.yaml# 37 38required: 39 - compatible 40 - reg 41 - qcom,controller-type 42 43additionalProperties: false 44 45examples: 46 - | 47 #include <dt-bindings/interrupt-controller/irq.h> 48 ssbi@c00000 { 49 compatible = "qcom,ssbi"; 50 reg = <0x00c00000 0x1000>; 51 qcom,controller-type = "pmic-arbiter"; 52 53 pmic { 54 compatible = "qcom,pm8821"; 55 interrupt-parent = <&msmgpio>; 56 interrupts = <76 IRQ_TYPE_LEVEL_LOW>; 57 #interrupt-cells = <2>; 58 interrupt-controller; 59 #address-cells = <1>; 60 #size-cells = <0>; 61 }; 62 }; 63... 64