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authorBjorn Andersson <bjorn.andersson@linaro.org>2018-11-06 21:19:33 -0800
committerBjorn Andersson <bjorn.andersson@linaro.org>2018-11-06 21:19:33 -0800
commitf30d5d68815e636924e142c15582066180aa3ef7 (patch)
tree0b5e092773832646f01d2226d5730b934e41a049 /rr-cache/493d65f21dcc753ad456d4c07d40e430fc14d1ae/preimage
parent5ee8f30fd1b558af6832e732bc0abe4463de8c27 (diff)
New rr-cache entries from ci-merge
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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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-msm8660"
+ * "qcom,scm-msm8916"
+ * "qcom,scm-msm8960"
+ * "qcom,scm-msm8974"
+ * "qcom,scm-msm8996"
+ * "qcom,scm-msm8998"
+ * "qcom,scm-ipq4019"
+ * "qcom,scm-sdm845"
+ 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"
+=======
+ * "qcom,scm-apq8064" for APQ8064 platforms
+ * "qcom,scm-msm8660" for MSM8660 platforms
+ * "qcom,scm-msm8690" for MSM8690 platforms
+ * "qcom,scm-msm8996" for MSM8996 platforms
+ * "qcom,scm-ipq4019" for IPQ4019 platforms
+ * "qcom,scm-sdm845" for SDM845 platforms
+ * "qcom,scm" for later processors (MSM8916, APQ8084, MSM8974, etc)
+- clocks: One to three clocks may be required based on compatible.
+ * No clock required for "qcom,scm-msm8996", "qcom,scm-ipq4019", "qcom,scm-sdm845"
+ * Only core clock required for "qcom,scm-apq8064", "qcom,scm-msm8660", and "qcom,scm-msm8960"
+ * Core, iface, and bus clocks required for "qcom,scm"
+>>>>>>>
+- 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";
+ };
+ };