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Diffstat (limited to 'Documentation/devicetree/bindings/bus/qcom,ssbi.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/bus/qcom,ssbi.yaml | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/bus/qcom,ssbi.yaml b/Documentation/devicetree/bindings/bus/qcom,ssbi.yaml new file mode 100644 index 000000000000..693cfa9696b5 --- /dev/null +++ b/Documentation/devicetree/bindings/bus/qcom,ssbi.yaml @@ -0,0 +1,63 @@ +# 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>; + }; + }; +... |