[PATCH] coresight: adding basic support for Spreadtrum SC9836
From: Chunyan Zhang <hidden>
Date: 2015-03-24 05:49:34
Also in:
linux-arm-kernel, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Support only for ETB, FUNNEL, STM are included currently. Support for ETM, TPIU and the replicator linked to it are not included in this version patch. Signed-off-by: Chunyan Zhang <redacted> --- arch/arm64/boot/dts/sprd/sc9836.dtsi | 57 ++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+)
diff --git a/arch/arm64/boot/dts/sprd/sc9836.dtsi b/arch/arm64/boot/dts/sprd/sc9836.dtsi
index f92f1b4..2ca80f3 100644
--- a/arch/arm64/boot/dts/sprd/sc9836.dtsi
+++ b/arch/arm64/boot/dts/sprd/sc9836.dtsi@@ -45,6 +45,63 @@ }; }; + etb@10003000 { + compatible = "arm,coresight-etb10", "arm,primecell"; + reg = <0 0x10003000 0 0x1000>; + arm,primecell-periphid = <0x0003b907>; + coresight-default-sink; + clocks = <&clk26mhz>; + clock-names = "apb_pclk"; + port { + etb_in: endpoint { + slave-mode; + remote-endpoint = <&funnel_out_port0>; + }; + }; + }; + + funnel@10001000 { + compatible = "arm,coresight-funnel", "arm,primecell"; + reg = <0 0x10001000 0 0x1000>; + clocks = <&clk26mhz>; + clock-names = "apb_pclk"; + ports { + #address-cells = <1>; + #size-cells = <0>; + + /* funnel output port */ + port@0 { + reg = <0>; + funnel_out_port0: endpoint { + remote-endpoint = <&etb_in>; + }; + }; + + /* funnel input port 0~3 is reserved for ETMs */ + port@1 { + reg = <4>; + funnel_in_port4: endpoint { + slave-mode; + remote-endpoint = <&stm_out>; + }; + }; + }; + }; + + stm@10006000 { + compatible = "arm,coresight-stm", "arm,primecell"; + reg = <0 0x10006000 0 0x1000>, + <0 0x01000000 0 0x180000>; + reg-names = "stm-base", "stm-stimulus-base"; + clocks = <&clk26mhz>; + clock-names = "apb_pclk"; + port { + stm_out: endpoint { + remote-endpoint = <&funnel_in_port4>; + }; + }; + }; + gic: interrupt-controller@12001000 { compatible = "arm,gic-400"; reg = <0 0x12001000 0 0x1000>,
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1.9.1