From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chunyan Zhang Subject: [PATCH] arm64: dts: sprd: adding ETM entries to Spreadtrum SC9836 Date: Wed, 15 Jul 2015 15:05:48 +0800 Message-ID: <1436943948-14489-1-git-send-email-zhang.chunyan@linaro.org> Return-path: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: arm-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org Cc: mathieu.poirier-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, zhang.lyra-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org List-Id: devicetree@vger.kernel.org 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 --- arch/arm64/boot/dts/sprd/sc9836.dtsi | 99 ++++++++++++++++++++++++++++++++++-- 1 file changed, 94 insertions(+), 5 deletions(-) diff --git a/arch/arm64/boot/dts/sprd/sc9836.dtsi b/arch/arm64/boot/dts/sprd/sc9836.dtsi index ee34e1a..63894c4 100644 --- a/arch/arm64/boot/dts/sprd/sc9836.dtsi +++ b/arch/arm64/boot/dts/sprd/sc9836.dtsi @@ -16,28 +16,28 @@ #address-cells = <2>; #size-cells = <0>; - cpu@0 { + cpu0: cpu@0 { device_type = "cpu"; compatible = "arm,cortex-a53", "arm,armv8"; reg = <0x0 0x0>; enable-method = "psci"; }; - cpu@1 { + cpu1: cpu@1 { device_type = "cpu"; compatible = "arm,cortex-a53", "arm,armv8"; reg = <0x0 0x1>; enable-method = "psci"; }; - cpu@2 { + cpu2: cpu@2 { device_type = "cpu"; compatible = "arm,cortex-a53", "arm,armv8"; reg = <0x0 0x2>; enable-method = "psci"; }; - cpu@3 { + cpu3: cpu@3 { device_type = "cpu"; compatible = "arm,cortex-a53", "arm,armv8"; reg = <0x0 0x3>; @@ -75,14 +75,103 @@ }; }; - /* funnel input port 0~3 is reserved for ETMs */ + /* funnel input port 0-4 */ 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>; funnel_in_port4: endpoint { slave-mode; 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>; + }; }; }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html