Add device tree binding for QTI download mode cookies region found in IMEM. Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@xxxxxxxxxxxxxx> --- .../bindings/arm/msm/qcom,dload-mode.yaml | 53 +++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,dload-mode.yaml diff --git a/Documentation/devicetree/bindings/arm/msm/qcom,dload-mode.yaml b/Documentation/devicetree/bindings/arm/msm/qcom,dload-mode.yaml new file mode 100644 index 000000000000..90b9b6a9b75e --- /dev/null +++ b/Documentation/devicetree/bindings/arm/msm/qcom,dload-mode.yaml @@ -0,0 +1,53 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/msm/qcom,dload-mode.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Download Mode binding + +maintainers: + - Sai Prakash Ranjan <saiprakash.ranjan@xxxxxxxxxxxxxx> + +description: + Qualcomm download mode cookies memory region in IMEM is used by SDI + (System Debug Image) firmware to determine whether to enter download + mode or not to collect ramdump for post mortem debug. + +properties: + compatible: + const: qcom,dload-mode + + reg: + maxItems: 1 + + qcom,sdi-disable-regs: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: + Phandle reference to a syscon representing TCSR followed by the + offset and length for SDI disable register. + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + imem@146aa000 { + compatible = "simple-mfd"; + reg = <0x146aa000 0x2000>; + + #address-cells = <1>; + #size-cells = <1>; + + ranges = <0 0x146aa000 0x2000>; + + dload-mode@1c00 { + compatible = "qcom,dload-mode"; + reg = <0x1c00 0x1000>; + qcom,sdi-disable-regs = <&tcsr_regs 0x3a000 0x4>; + }; + }; +... -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation
