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linux/Documentation/devicetree/bindings/firmware/qcom,scm.txt
Konrad Dybcio 82a6cbf007 firmware: qcom_scm: Add MDM9607 compatible
Add a compatible for MDM9607. It uses the "legacy" calling
convention.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20210131013058.54299-1-konrad.dybcio@somainline.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-06-10 11:26:45 -05:00

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QCOM Secure Channel Manager (SCM)
Qualcomm processors include an interface to communicate to the secure firmware.
This interface allows for clients to request different types of actions. These
can include CPU power up/down, HDCP requests, loading of firmware, and other
assorted actions.
Required properties:
- compatible: must contain one of the following:
* "qcom,scm-apq8064"
* "qcom,scm-apq8084"
* "qcom,scm-ipq4019"
* "qcom,scm-ipq806x"
* "qcom,scm-ipq8074"
* "qcom,scm-mdm9607"
* "qcom,scm-msm8660"
* "qcom,scm-msm8916"
* "qcom,scm-msm8960"
* "qcom,scm-msm8974"
* "qcom,scm-msm8994"
* "qcom,scm-msm8996"
* "qcom,scm-msm8998"
* "qcom,scm-sc7180"
* "qcom,scm-sc7280"
* "qcom,scm-sdm845"
* "qcom,scm-sdx55"
* "qcom,scm-sm8150"
* "qcom,scm-sm8250"
* "qcom,scm-sm8350"
and:
* "qcom,scm"
- clocks: Specifies clocks needed by the SCM interface, if any:
* core clock required for "qcom,scm-apq8064", "qcom,scm-msm8660" and
"qcom,scm-msm8960"
* core, iface and bus clocks required for "qcom,scm-apq8084",
"qcom,scm-msm8916" and "qcom,scm-msm8974"
- clock-names: Must contain "core" for the core clock, "iface" for the interface
clock and "bus" for the bus clock per the requirements of the compatible.
- qcom,dload-mode: phandle to the TCSR hardware block and offset of the
download mode control register (optional)
Example for MSM8916:
firmware {
scm {
compatible = "qcom,msm8916", "qcom,scm";
clocks = <&gcc GCC_CRYPTO_CLK> ,
<&gcc GCC_CRYPTO_AXI_CLK>,
<&gcc GCC_CRYPTO_AHB_CLK>;
clock-names = "core", "bus", "iface";
};
};