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Date: Wed, 3 Nov 2021 16:14:25 +0800
From: Tao Zhang <quic_taozha@...cinc.com>
To: Mathieu Poirier <mathieu.poirier@...aro.org>
CC: Suzuki K Poulose <suzuki.poulose@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Mike Leach <mike.leach@...aro.org>,
Leo Yan <leo.yan@...aro.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
<coresight@...ts.linaro.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
Tingwei Zhang <quic_tingweiz@...cinc.com>,
Mao Jinlong <quic_jinlmao@...cinc.com>,
Yuanfang Zhang <quic_yuanfang@...cinc.com>,
Trilok Soni <quic_tsoni@...cinc.com>
Subject: Re: [PATCH 10/10] ARM: dts: msm: Add TPDA and TPDM support to DTS
for RB5
On Tue, Nov 02, 2021 at 12:02:39PM -0600, Mathieu Poirier wrote:
> On Thu, Oct 21, 2021 at 03:38:56PM +0800, Tao Zhang wrote:
> > Add TPDA and TPDM support to DTS for RB5 board. This change is a
> > sample for validating. After applying this patch, the new TPDM and
> > TPDA nodes can be observed at the coresight devices path. TPDM and
> > TPDA hardware can be operated by commands.
> >
> > List the commands for validating this series patches as below.
> > echo 1 > /sys/bus/coresight/devices/tmc_etf0/enable_sink
> > echo 1 > /sys/bus/coresight/devices/tpdm0/enable_source
> > echo 1 > /sys/bus/coresight/devices/tpdm0/integration_test
> > echo 2 > /sys/bus/coresight/devices/tpdm0/integration_test
> > cat /dev/tmc_etf0 > /data/etf-tpdm0.bin
> > echo 0 > /sys/bus/coresight/devices/tpdm0/enable_source
> > echo 0 > /sys/bus/coresight/devices/tmc_etf0/enable_sink
> > echo 1 > /sys/bus/coresight/devices/tmc_etf0/enable_sink
> > echo 1 > /sys/bus/coresight/devices/tpdm1/enable_source
> > echo 1 > /sys/bus/coresight/devices/tpdm1/integration_test
> > echo 2 > /sys/bus/coresight/devices/tpdm1/integration_test
> > cat /dev/tmc_etf0 > /data/etf-tpdm1.bin
> > echo 0 > /sys/bus/coresight/devices/tpdm1/enable_source
> > echo 0 > /sys/bus/coresight/devices/tmc_etf0/enable_sink
> > echo 1 > /sys/bus/coresight/devices/tmc_etf0/enable_sink
> > echo 1 > /sys/bus/coresight/devices/tpdm2/enable_source
> > echo 1 > /sys/bus/coresight/devices/tpdm2/integration_test
> > echo 2 > /sys/bus/coresight/devices/tpdm2/integration_test
> > cat /dev/tmc_etf0 > /data/etf-tpdm2.bin
> > echo 0 > /sys/bus/coresight/devices/tpdm2/enable_source
> > echo 0 > /sys/bus/coresight/devices/tmc_etf0/enable_sink
> >
> > If the data from TPDMs can be obtained from the ETF, it means
> > that the TPDMs verification is successful. At the same time,
> > since TPDM0, TPDM1 and TPDM2 are all connected to the same
> > funnel "funnel@...d000" and output via different output ports,
>
> Where is "funnel@...d000" in this patch?
>
Hi Mathieu,
Sorry, the TPDM/TPDA related code in the device tree was omitted in this submission.
We will add them to device tree in the next version.
Paste this funnel configuration below for you review first.
funnel@...d000 {
compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
reg = <0 0x6c2d000 0 0x1000>;
reg-names = "funnel-base";
clocks = <&aoss_qmp>;
clock-names = "apb_pclk";
out-ports {
#address-cells = <1>;
#size-cells = <0>;
port@2 {
reg = <2>;
tpdm_mm_out_tpda9: endpoint {
remote-endpoint =
<&tpda_9_in_tpdm_mm>;
label = <&tpdm_mm>;
};
};
port@3 {
reg = <3>;
funnel_dl_center_out_tpda_10: endpoint {
remote-endpoint =
<&tpda_10_in_funnel_dl_center>;
label = <&tpdm_lpass>;
};
};
port@7 {
reg = <7>;
tpdm_turing_out_tpda14: endpoint {
remote-endpoint =
<&tpda_14_in_tpdm_turing>;
label = <&tpdm_turing>;
};
};
};
in-ports {
#address-cells = <1>;
#size-cells = <0>;
port@15 {
reg = <2>;
funnel_dl_center_in_funnel_dl_mm: endpoint {
slave-mode;
remote-endpoint =
<&funnel_dl_mm_out_funnel_dl_center>;
};
};
port@16 {
reg = <3>;
funnel_dl_center_in_funnel_lpass: endpoint {
slave-mode;
remote-endpoint =
<&funnel_lpass_out_funnel_dl_center>;
};
};
port@18 {
reg = <5>;
funnel_dl_center_in_funnel_compute: endpoint {
slave-mode;
remote-endpoint =
<&funnel_compute_out_funnel_dl_center>;
};
};
};
};
> > it also means that the following patches verification is
> > successful.
> > coresight: add support to enable more coresight paths
> > coresight: funnel: add support for multiple output ports
> >
> > Signed-off-by: Tao Zhang <quic_taozha@...cinc.com>
> > ---
> > arch/arm64/boot/dts/qcom/qrb5165-rb5.dts | 439 +++++++++++++++++++++++
> > 1 file changed, 439 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
> > index 8ac96f8e79d4..bcec8b181e11 100644
> > --- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
> > +++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
> > @@ -222,6 +222,445 @@
> > regulator-max-microvolt = <1800000>;
> > regulator-always-on;
> > };
> > +
> > + stm@...2000 {
> > + compatible = "arm,coresight-stm", "arm,primecell";
> > + reg = <0 0x06002000 0 0x1000>,
> > + <0 0x16280000 0 0x180000>;
> > + reg-names = "stm-base", "stm-stimulus-base";
> > +
> > + clocks = <&aoss_qmp>;
> > + clock-names = "apb_pclk";
> > +
> > + out-ports {
> > + port {
> > + stm_out: endpoint {
> > + remote-endpoint =
> > + <&funnel0_in7>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + funnel@...1000 {
> > + compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
> > + reg = <0 0x06041000 0 0x1000>;
> > +
> > + clocks = <&aoss_qmp>;
> > + clock-names = "apb_pclk";
> > +
> > + out-ports {
> > + port {
> > + funnel0_out: endpoint {
> > + remote-endpoint =
> > + <&merge_funnel_in0>;
> > + };
> > + };
> > + };
> > +
> > + in-ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@7 {
> > + reg = <7>;
> > + funnel0_in7: endpoint {
> > + remote-endpoint = <&stm_out>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + funnel@...2000 {
> > + compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
> > + reg = <0 0x06042000 0 0x1000>;
> > +
> > + clocks = <&aoss_qmp>;
> > + clock-names = "apb_pclk";
> > +
> > + out-ports {
> > + port {
> > + funnel2_out: endpoint {
> > + remote-endpoint =
> > + <&merge_funnel_in2>;
> > + };
> > + };
> > + };
> > +
> > + in-ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@4 {
> > + reg = <4>;
> > + funnel2_in5: endpoint {
> > + remote-endpoint =
> > + <&apss_merge_funnel_out>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + funnel@...4000 {
> > + compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
> > + arm,primecell-periphid = <0x000bb908>;
> > +
> > + reg = <0 0x6b04000 0 0x1000>;
> > + reg-names = "funnel-base";
> > +
> > + clocks = <&aoss_qmp>;
> > + clock-names = "apb_pclk";
> > +
> > + out-ports {
> > + port {
> > + merge_funnel_out: endpoint {
> > + remote-endpoint =
> > + <&etf_in>;
> > + };
> > + };
> > + };
> > +
> > + in-ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@7 {
> > + reg = <7>;
> > + swao_funnel_in7: endpoint {
> > + slave-mode;
> > + remote-endpoint=
> > + <&merg_funnel_out>;
> > + };
> > + };
> > + };
> > +
> > + };
> > +
> > + funnel@...5000 {
> > + compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
> > + reg = <0 0x06045000 0 0x1000>;
> > +
> > + clocks = <&aoss_qmp>;
> > + clock-names = "apb_pclk";
> > +
> > + out-ports {
> > + port {
> > + merg_funnel_out: endpoint {
> > + remote-endpoint = <&swao_funnel_in7>;
> > + };
> > + };
> > + };
> > +
> > + in-ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@0 {
> > + reg = <0>;
> > + merge_funnel_in0: endpoint {
> > + remote-endpoint =
> > + <&funnel0_out>;
> > + };
> > + };
> > +
> > + port@1 {
> > + reg = <1>;
> > + merge_funnel_in2: endpoint {
> > + remote-endpoint =
> > + <&funnel2_out>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + etf@...5000 {
> > + compatible = "arm,coresight-tmc", "arm,primecell";
> > + reg = <0 0x06b05000 0 0x1000>;
> > +
> > + clocks = <&aoss_qmp>;
> > + clock-names = "apb_pclk";
> > +
> > + in-ports {
> > + port {
> > + etf_in: endpoint {
> > + remote-endpoint =
> > + <&merge_funnel_out>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + etm@...0000 {
> > + compatible = "arm,coresight-etm4x", "arm,primecell";
> > + reg = <0 0x07040000 0 0x1000>;
> > +
> > + cpu = <&CPU0>;
> > +
> > + clocks = <&aoss_qmp>;
> > + clock-names = "apb_pclk";
> > + arm,coresight-loses-context-with-cpu;
> > +
> > + out-ports {
> > + port {
> > + etm0_out: endpoint {
> > + remote-endpoint =
> > + <&apss_funnel_in0>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + etm@...0000 {
> > + compatible = "arm,coresight-etm4x", "arm,primecell";
> > + reg = <0 0x07140000 0 0x1000>;
> > +
> > + cpu = <&CPU1>;
> > +
> > + clocks = <&aoss_qmp>;
> > + clock-names = "apb_pclk";
> > + arm,coresight-loses-context-with-cpu;
> > +
> > + out-ports {
> > + port {
> > + etm1_out: endpoint {
> > + remote-endpoint =
> > + <&apss_funnel_in1>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + etm@...0000 {
> > + compatible = "arm,coresight-etm4x", "arm,primecell";
> > + reg = <0 0x07240000 0 0x1000>;
> > +
> > + cpu = <&CPU2>;
> > +
> > + clocks = <&aoss_qmp>;
> > + clock-names = "apb_pclk";
> > + arm,coresight-loses-context-with-cpu;
> > +
> > + out-ports {
> > + port {
> > + etm2_out: endpoint {
> > + remote-endpoint =
> > + <&apss_funnel_in2>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + etm@...0000 {
> > + compatible = "arm,coresight-etm4x", "arm,primecell";
> > + reg = <0 0x07340000 0 0x1000>;
> > +
> > + cpu = <&CPU3>;
> > +
> > + clocks = <&aoss_qmp>;
> > + clock-names = "apb_pclk";
> > + arm,coresight-loses-context-with-cpu;
> > +
> > + out-ports {
> > + port {
> > + etm3_out: endpoint {
> > + remote-endpoint =
> > + <&apss_funnel_in3>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + etm@...0000 {
> > + compatible = "arm,coresight-etm4x", "arm,primecell";
> > + reg = <0 0x07440000 0 0x1000>;
> > +
> > + cpu = <&CPU4>;
> > +
> > + clocks = <&aoss_qmp>;
> > + clock-names = "apb_pclk";
> > + arm,coresight-loses-context-with-cpu;
> > +
> > + out-ports {
> > + port {
> > + etm4_out: endpoint {
> > + remote-endpoint =
> > + <&apss_funnel_in4>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + etm@...0000 {
> > + compatible = "arm,coresight-etm4x", "arm,primecell";
> > + reg = <0 0x07540000 0 0x1000>;
> > +
> > + cpu = <&CPU5>;
> > +
> > + clocks = <&aoss_qmp>;
> > + clock-names = "apb_pclk";
> > + arm,coresight-loses-context-with-cpu;
> > +
> > + out-ports {
> > + port {
> > + etm5_out: endpoint {
> > + remote-endpoint =
> > + <&apss_funnel_in5>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + etm@...0000 {
> > + compatible = "arm,coresight-etm4x", "arm,primecell";
> > + reg = <0 0x07640000 0 0x1000>;
> > +
> > + cpu = <&CPU6>;
> > +
> > + clocks = <&aoss_qmp>;
> > + clock-names = "apb_pclk";
> > + arm,coresight-loses-context-with-cpu;
> > +
> > + out-ports {
> > + port {
> > + etm6_out: endpoint {
> > + remote-endpoint =
> > + <&apss_funnel_in6>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + etm@...0000 {
> > + compatible = "arm,coresight-etm4x", "arm,primecell";
> > + reg = <0 0x07740000 0 0x1000>;
> > +
> > + cpu = <&CPU7>;
> > +
> > + clocks = <&aoss_qmp>;
> > + clock-names = "apb_pclk";
> > + arm,coresight-loses-context-with-cpu;
> > +
> > + out-ports {
> > + port {
> > + etm7_out: endpoint {
> > + remote-endpoint =
> > + <&apss_funnel_in7>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + funnel@...0000 {
> > + compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
> > + reg = <0 0x07800000 0 0x1000>;
> > +
> > + clocks = <&aoss_qmp>;
> > + clock-names = "apb_pclk";
> > +
> > + out-ports {
> > + port {
> > + apss_funnel_out: endpoint {
> > + remote-endpoint =
> > + <&apss_merge_funnel_in>;
> > + };
> > + };
> > + };
> > +
> > + in-ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@0 {
> > + reg = <0>;
> > + apss_funnel_in0: endpoint {
> > + remote-endpoint =
> > + <&etm0_out>;
> > + };
> > + };
> > +
> > + port@1 {
> > + reg = <1>;
> > + apss_funnel_in1: endpoint {
> > + remote-endpoint =
> > + <&etm1_out>;
> > + };
> > + };
> > +
> > + port@2 {
> > + reg = <2>;
> > + apss_funnel_in2: endpoint {
> > + remote-endpoint =
> > + <&etm2_out>;
> > + };
> > + };
> > +
> > + port@3 {
> > + reg = <3>;
> > + apss_funnel_in3: endpoint {
> > + remote-endpoint =
> > + <&etm3_out>;
> > + };
> > + };
> > +
> > + port@4 {
> > + reg = <4>;
> > + apss_funnel_in4: endpoint {
> > + remote-endpoint =
> > + <&etm4_out>;
> > + };
> > + };
> > +
> > + port@5 {
> > + reg = <5>;
> > + apss_funnel_in5: endpoint {
> > + remote-endpoint =
> > + <&etm5_out>;
> > + };
> > + };
> > +
> > + port@6 {
> > + reg = <6>;
> > + apss_funnel_in6: endpoint {
> > + remote-endpoint =
> > + <&etm6_out>;
> > + };
> > + };
> > +
> > + port@7 {
> > + reg = <7>;
> > + apss_funnel_in7: endpoint {
> > + remote-endpoint =
> > + <&etm7_out>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + funnel@...0000 {
> > + compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
> > + reg = <0 0x07810000 0 0x1000>;
> > +
> > + clocks = <&aoss_qmp>;
> > + clock-names = "apb_pclk";
> > +
> > + out-ports {
> > + port {
> > + apss_merge_funnel_out: endpoint {
> > + remote-endpoint =
> > + <&funnel2_in5>;
> > + };
> > + };
> > + };
> > +
> > + in-ports {
> > + port {
> > + apss_merge_funnel_in: endpoint {
> > + remote-endpoint =
> > + <&apss_funnel_out>;
> > + };
> > + };
> > + };
> > + };
>
> Which of the above introduces TPDM and TPDA devices?
>
> More comments to come tomorrow.
>
> Thanks,
> Mathieu
>
> > };
Hi Mathieu,
We will add TPDM/TPDA related code to the device tree in the next verison.
Best,
Tao
> >
> > &adsp {
> > --
> > 2.17.1
> >
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