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Diffstat (limited to 'dts/Bindings/firmware/qcom,scm.yaml')
| -rw-r--r-- | dts/Bindings/firmware/qcom,scm.yaml | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/dts/Bindings/firmware/qcom,scm.yaml b/dts/Bindings/firmware/qcom,scm.yaml new file mode 100644 index 0000000000..47d3d2d52a --- /dev/null +++ b/dts/Bindings/firmware/qcom,scm.yaml @@ -0,0 +1,214 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/firmware/qcom,scm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: QCOM Secure Channel Manager (SCM) + +description: | + 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. + +maintainers: + - Bjorn Andersson <bjorn.andersson@linaro.org> + - Robert Marko <robimarko@gmail.com> + - Guru Das Srinagesh <quic_gurus@quicinc.com> + +properties: + compatible: + items: + - enum: + - qcom,scm-apq8064 + - qcom,scm-apq8084 + - qcom,scm-ipq4019 + - qcom,scm-ipq5018 + - qcom,scm-ipq5332 + - qcom,scm-ipq6018 + - qcom,scm-ipq806x + - qcom,scm-ipq8074 + - qcom,scm-ipq9574 + - qcom,scm-mdm9607 + - qcom,scm-msm8226 + - qcom,scm-msm8660 + - qcom,scm-msm8916 + - qcom,scm-msm8953 + - qcom,scm-msm8960 + - qcom,scm-msm8974 + - qcom,scm-msm8976 + - qcom,scm-msm8994 + - qcom,scm-msm8996 + - qcom,scm-msm8998 + - qcom,scm-qcm2290 + - qcom,scm-qdu1000 + - qcom,scm-sa8775p + - qcom,scm-sc7180 + - qcom,scm-sc7280 + - qcom,scm-sc8180x + - qcom,scm-sc8280xp + - qcom,scm-sdm670 + - qcom,scm-sdm845 + - qcom,scm-sdx55 + - qcom,scm-sdx65 + - qcom,scm-sdx75 + - qcom,scm-sm6115 + - qcom,scm-sm6125 + - qcom,scm-sm6350 + - qcom,scm-sm6375 + - qcom,scm-sm7150 + - qcom,scm-sm8150 + - qcom,scm-sm8250 + - qcom,scm-sm8350 + - qcom,scm-sm8450 + - qcom,scm-sm8550 + - qcom,scm-sm8650 + - qcom,scm-qcs404 + - qcom,scm-x1e80100 + - const: qcom,scm + + clocks: + minItems: 1 + maxItems: 3 + + clock-names: + minItems: 1 + maxItems: 3 + + dma-coherent: true + + interconnects: + maxItems: 1 + + interconnect-names: + maxItems: 1 + + '#reset-cells': + const: 1 + + interrupts: + description: + The wait-queue interrupt that firmware raises as part of handshake + protocol to handle sleeping SCM calls. + maxItems: 1 + + qcom,sdi-enabled: + description: + Indicates that the SDI (Secure Debug Image) has been enabled by TZ + by default and it needs to be disabled. + If not disabled WDT assertion or reboot will cause the board to hang + in the debug mode. + type: boolean + + qcom,dload-mode: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to TCSR hardware block + - description: offset of the download mode control register + description: TCSR hardware block + +allOf: + # Clocks + - if: + properties: + compatible: + contains: + enum: + - qcom,scm-apq8064 + - qcom,scm-apq8084 + - qcom,scm-mdm9607 + - qcom,scm-msm8226 + - qcom,scm-msm8660 + - qcom,scm-msm8916 + - qcom,scm-msm8953 + - qcom,scm-msm8960 + - qcom,scm-msm8974 + - qcom,scm-msm8976 + - qcom,scm-qcm2290 + - qcom,scm-sm6375 + then: + required: + - clocks + - clock-names + else: + properties: + clock-names: false + clocks: false + + - if: + properties: + compatible: + contains: + enum: + - qcom,scm-apq8064 + - qcom,scm-msm8660 + - qcom,scm-msm8960 + - qcom,scm-qcm2290 + - qcom,scm-sm6375 + then: + properties: + clock-names: + items: + - const: core + + clocks: + maxItems: 1 + + - if: + properties: + compatible: + contains: + enum: + - qcom,scm-apq8084 + - qcom,scm-mdm9607 + - qcom,scm-msm8226 + - qcom,scm-msm8916 + - qcom,scm-msm8953 + - qcom,scm-msm8974 + - qcom,scm-msm8976 + then: + properties: + clock-names: + items: + - const: core + - const: bus + - const: iface + + clocks: + minItems: 3 + maxItems: 3 + + # Interrupts + - if: + not: + properties: + compatible: + contains: + enum: + - qcom,scm-sm8450 + - qcom,scm-sm8550 + - qcom,scm-sm8650 + then: + properties: + interrupts: false + +required: + - compatible + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,gcc-msm8916.h> + + firmware { + scm { + compatible = "qcom,scm-msm8916", "qcom,scm"; + clocks = <&gcc GCC_CRYPTO_CLK>, + <&gcc GCC_CRYPTO_AXI_CLK>, + <&gcc GCC_CRYPTO_AHB_CLK>; + clock-names = "core", "bus", "iface"; + }; + }; |