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Message-ID: <24803a8c-098d-dfae-bb99-0feb9204e188@quicinc.com>
Date:   Mon, 5 Jun 2023 11:08:17 +0530
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Subject: Re: [PATCH V2 11/13] arm64: dtsi: qcom: ipq5018: enable nodes
 required for multipd
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From:   Manikanta Mylavarapu <quic_mmanikan@quicinc.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
        <agross@kernel.org>, <andersson@kernel.org>,
        <konrad.dybcio@linaro.org>, <robh+dt@kernel.org>,
        <krzysztof.kozlowski+dt@linaro.org>, <conor+dt@kernel.org>,
        <jassisinghbrar@gmail.com>, <mathieu.poirier@linaro.org>,
        <mturquette@baylibre.com>, <sboyd@kernel.org>,
        <quic_eberman@quicinc.com>, <quic_mojha@quicinc.com>,
        <kvalo@kernel.org>, <loic.poulain@linaro.org>,
        <linux-arm-msm@vger.kernel.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <linux-remoteproc@vger.kernel.org>,
        <linux-clk@vger.kernel.org>
CC:     <quic_srichara@quicinc.com>, <quic_sjaganat@quicinc.com>,
        <quic_kathirav@quicinc.com>, <quic_anusha@quicinc.com>,
        <quic_poovendh@quicinc.com>, <quic_varada@quicinc.com>,
        <quic_devipriy@quicinc.com>
References: <20230521222852.5740-1-quic_mmanikan@quicinc.com>
 <20230521222852.5740-12-quic_mmanikan@quicinc.com>
 <a33363d2-a0a8-f8c1-fbc0-f7a5422d07a9@linaro.org>
 <adb4716f-9fa8-9b37-0a06-5c5e19307925@quicinc.com>
In-Reply-To: <adb4716f-9fa8-9b37-0a06-5c5e19307925@quicinc.com>
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On 6/5/2023 11:05 AM, Manikanta Mylavarapu wrote:
> 
> 
> On 5/30/2023 4:35 PM, Krzysztof Kozlowski wrote:
>> On 22/05/2023 00:28, Manikanta Mylavarapu wrote:
>>> Enable nodes required for multipd remoteproc bring up
>>
>> Please use subject prefixes matching the subsystem. You can get them for
>> example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory
>> your patch is touching.
>>
>> It is "dts". Not "dtsi".
>>
> Sure, I will update to 'dtsi'.
> 
Sorry please discard my previous reply.
I will update to dts.

>>>
>>> Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@quicinc.com>
>>> ---
>>> Changes in V2:
>>>     - Corrected syntax like alignmnet and kept nodes in sorted order.
>>>     - Covered entire TCSR region.
>>>     - Added 'firmware-name' property.
>>>
>>>   arch/arm64/boot/dts/qcom/ipq5018.dtsi | 140 ++++++++++++++++++++++++++
>>>   1 file changed, 140 insertions(+)
>>>
>>> diff --git a/arch/arm64/boot/dts/qcom/ipq5018.dtsi 
>>> b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
>>> index 9f13d2dcdfd5..3772d54d89e4 100644
>>> --- a/arch/arm64/boot/dts/qcom/ipq5018.dtsi
>>> +++ b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
>>> @@ -85,6 +85,18 @@
>>>               reg = <0x0 0x4ac00000 0x0 0x200000>;
>>>               no-map;
>>>           };
>>> +
>>> +        q6_region: wcnss@4b000000 {
>>> +            reg = <0x0 0x4b000000 0x0 0x1700000>;
>>> +            no-map;
>>> +        };
>>> +
>>> +        smem@4ab00000 {
>>> +            compatible = "qcom,smem";
>>> +            reg = <0x0 0x4ab00000 0x0 0x100000>;
>>> +            hwlocks = <&tcsr_mutex 0>;
>>> +            no-map;
>>> +        };
>>>       };
>>>
>>>       soc: soc@0 {
>>> @@ -128,6 +140,12 @@
>>>               #power-domain-cells = <1>;
>>>           };
>>>
>>> +        tcsr_mutex: hwlock@1905000 {
>>> +            compatible = "qcom,tcsr-mutex";
>>> +            reg = <0x01905000 0x20000>;
>>> +            #hwlock-cells = <1>;
>>> +        };
>>> +
>>>           sdhc_1: mmc@7804000 {
>>>               compatible = "qcom,ipq5018-sdhci", "qcom,sdhci-msm-v5";
>>>               reg = <0x7804000 0x1000>;
>>> @@ -181,6 +199,14 @@
>>>               };
>>>           };
>>>
>>> +        apcs_glb: mailbox@b111000 {
>>> +            compatible = "qcom,ipq5018-apcs-apps-global",
>>> +                     "qcom,ipq6018-apcs-apps-global";
>>> +            reg = <0x0b111000 0x1000>;
>>> +            #clock-cells = <1>;
>>> +            #mbox-cells = <1>;
>>> +        };
>>> +
>>>           timer@b120000 {
>>>               compatible = "arm,armv7-timer-mem";
>>>               reg = <0x0b120000 0x1000>;
>>> @@ -238,6 +264,96 @@
>>>                   status = "disabled";
>>>               };
>>>           };
>>> +
>>> +        q6v5_wcss: remoteproc@cd00000 {
>>> +            compatible = "qcom,ipq5018-q6-mpd";
>>> +            reg = <0x0cd00000 0x4040>;
>>> +            firmware-name = "IPQ5018/q6_fw.mdt",
>>> +                    "IPQ5018/m3_fw.mdt",
>>> +                    "qcn6122/m3_fw.mdt";
>>> +            interrupts-extended = <&intc GIC_SPI 291 
>>> IRQ_TYPE_EDGE_RISING>,
>>> +                          <&wcss_smp2p_in 0 0>,
>>> +                          <&wcss_smp2p_in 1 0>,
>>> +                          <&wcss_smp2p_in 2 0>,
>>> +                          <&wcss_smp2p_in 3 0>;
>>> +            interrupt-names = "wdog",
>>> +                      "fatal",
>>> +                      "ready",
>>> +                      "handover",
>>> +                      "stop-ack";
>>> +
>>> +            qcom,smem-states = <&wcss_smp2p_out 0>,
>>> +                       <&wcss_smp2p_out 1>;
>>> +            qcom,smem-state-names = "shutdown",
>>> +                        "stop";
>>> +            memory-region = <&q6_region>;
>>> +
>>> +            glink-edge {
>>> +                interrupts = <GIC_SPI 179 IRQ_TYPE_EDGE_RISING>;
>>> +                label = "rtr";
>>> +                qcom,remote-pid = <1>;
>>> +                mboxes = <&apcs_glb 8>;
>>> +            };
>>> +
>>> +            pd-1 {
>>> +                compatible = "qcom,ipq5018-wcss-ahb-mpd";
>>> +                firmware-name = "IPQ5018/q6_fw.mdt";
>>> +                interrupts-extended = <&wcss_smp2p_in 8 0>,
>>> +                              <&wcss_smp2p_in 9 0>,
>>> +                              <&wcss_smp2p_in 12 0>,
>>> +                              <&wcss_smp2p_in 11 0>;
>>
>> What "0" stands for?
>>
> 0 means IRQ_NONE. These are software interrupts (register write),
> so we have configured to 0. I will replace 0 with IRQ_NONE.
> 
> Thanks & Regards,
> Manikanta.
> 
>>> +                interrupt-names = "fatal",
>>> +                          "ready",
>> Best regards,
>> Krzysztof
>>