@@ -19,6 +19,7 @@ its hardware characteristcs.
- "arm,coresight-etm3x", "arm,primecell";
- "arm,coresight-etm4x", "arm,primecell";
- "qcom,coresight-replicator1x", "arm,primecell";
+ - "arm,coresight-stm", "arm,primecell"; [1]
* reg: physical base address and length of the register
set(s) of the component.
@@ -36,6 +37,14 @@ its hardware characteristcs.
layout using the generic DT graph presentation found in
"bindings/graph.txt".
+* Additional required properties for System Trace Macrocells (STM):
+ * reg: along with the physical base address and length of the register
+ set as described above, another entry is required to describe the
+ mapping of the extended stimulus port area.
+
+ * reg-names: the only acceptable values are "stm-base" and
+ "stm-stimulus-base", each corresponding to the areas defined in "reg".
+
* Required properties for devices that don't show up on the AMBA bus, such as
non-configurable replicators:
@@ -202,3 +211,22 @@ Example:
};
};
};
+
+4. STM
+ stm@20100000 {
+ compatible = "arm,coresight-stm", "arm,primecell";
+ reg = <0 0x20100000 0 0x1000>,
+ <0 0x28000000 0 0x180000>;
+ reg-names = "stm-base", "stm-stimulus-base";
+
+ clocks = <&soc_smc50mhz>;
+ clock-names = "apb_pclk";
+ port {
+ stm_out_port: endpoint {
+ remote-endpoint = <&main_funnel_in_port2>;
+ };
+ };
+ };
+
+[1]. There is currently two version of STM: STM32 and STM500. Both
+have the same HW interface and as such don't need an explicit binding name.