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arm64: dts: sprd: adding ETM entries to Spreadtrum SC9836

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Since ETMv4 driver has been merged, this patch adds ETM nodes for SC9836,
and four funnel input ports to connect with ETM output ports.

Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Chunyan Zhang 2015-07-15 15:05:48 +08:00 committed by Olof Johansson
parent bc0195aad0
commit fe467ad1e4
1 changed files with 94 additions and 5 deletions
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99
arch/arm64/boot/dts/sprd/sc9836.dtsi
View File

@ -16,28 +16,28 @@
#address-cells = <2>; #address-cells = <2>;
#size-cells = <0>; #size-cells = <0>;
cpu@0 { cpu0: cpu@0 {
device_type = "cpu"; device_type = "cpu";
compatible = "arm,cortex-a53", "arm,armv8"; compatible = "arm,cortex-a53", "arm,armv8";
reg = <0x0 0x0>; reg = <0x0 0x0>;
enable-method = "psci"; enable-method = "psci";
}; };
cpu@1 { cpu1: cpu@1 {
device_type = "cpu"; device_type = "cpu";
compatible = "arm,cortex-a53", "arm,armv8"; compatible = "arm,cortex-a53", "arm,armv8";
reg = <0x0 0x1>; reg = <0x0 0x1>;
enable-method = "psci"; enable-method = "psci";
}; };
cpu@2 { cpu2: cpu@2 {
device_type = "cpu"; device_type = "cpu";
compatible = "arm,cortex-a53", "arm,armv8"; compatible = "arm,cortex-a53", "arm,armv8";
reg = <0x0 0x2>; reg = <0x0 0x2>;
enable-method = "psci"; enable-method = "psci";
}; };
cpu@3 { cpu3: cpu@3 {
device_type = "cpu"; device_type = "cpu";
compatible = "arm,cortex-a53", "arm,armv8"; compatible = "arm,cortex-a53", "arm,armv8";
reg = <0x0 0x3>; reg = <0x0 0x3>;
@ -75,14 +75,103 @@
}; };
}; };
/* funnel input port 0~3 is reserved for ETMs */ /* funnel input port 0-4 */
port@1 { port@1 {
reg = <0>;
funnel_in_port0: endpoint {
slave-mode;
remote-endpoint = <&etm0_out>;
};
};
port@2 {
reg = <1>;
funnel_in_port1: endpoint {
slave-mode;
remote-endpoint = <&etm1_out>;
};
};
port@3 {
reg = <2>;
funnel_in_port2: endpoint {
slave-mode;
remote-endpoint = <&etm2_out>;
};
};
port@4 {
reg = <3>;
funnel_in_port3: endpoint {
slave-mode;
remote-endpoint = <&etm3_out>;
};
};
port@5 {
reg = <4>; reg = <4>;
funnel_in_port4: endpoint { funnel_in_port4: endpoint {
slave-mode; slave-mode;
remote-endpoint = <&stm_out>; remote-endpoint = <&stm_out>;
}; };
}; };
/* Other input ports aren't connected to anyone */
};
};
etm@10440000 {
compatible = "arm,coresight-etm4x", "arm,primecell";
reg = <0 0x10440000 0 0x1000>;
cpu = <&cpu0>;
clocks = <&clk26mhz>;
clock-names = "apb_pclk";
port {
etm0_out: endpoint {
remote-endpoint = <&funnel_in_port0>;
};
};
};
etm@10540000 {
compatible = "arm,coresight-etm4x", "arm,primecell";
reg = <0 0x10540000 0 0x1000>;
cpu = <&cpu1>;
clocks = <&clk26mhz>;
clock-names = "apb_pclk";
port {
etm1_out: endpoint {
remote-endpoint = <&funnel_in_port1>;
};
};
};
etm@10640000 {
compatible = "arm,coresight-etm4x", "arm,primecell";
reg = <0 0x10640000 0 0x1000>;
cpu = <&cpu2>;
clocks = <&clk26mhz>;
clock-names = "apb_pclk";
port {
etm2_out: endpoint {
remote-endpoint = <&funnel_in_port2>;
};
};
};
etm@10740000 {
compatible = "arm,coresight-etm4x", "arm,primecell";
reg = <0 0x10740000 0 0x1000>;
cpu = <&cpu3>;
clocks = <&clk26mhz>;
clock-names = "apb_pclk";
port {
etm3_out: endpoint {
remote-endpoint = <&funnel_in_port3>;
};
}; };
}; };