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Message-ID: <98706ea2-b722-e956-b204-08791977307b@quicinc.com>
Date:   Fri, 30 Jun 2023 12:41:18 +0530
From:   Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <jassisinghbrar@...il.com>, <mathieu.poirier@...aro.org>,
        <mturquette@...libre.com>, <sboyd@...nel.org>,
        <quic_eberman@...cinc.com>, <quic_mojha@...cinc.com>,
        <kvalo@...nel.org>, <loic.poulain@...aro.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-remoteproc@...r.kernel.org>,
        <linux-clk@...r.kernel.org>
CC:     <quic_srichara@...cinc.com>, <quic_sjaganat@...cinc.com>,
        <quic_kathirav@...cinc.com>, <quic_anusha@...cinc.com>,
        <quic_poovendh@...cinc.com>, <quic_varada@...cinc.com>,
        <quic_devipriy@...cinc.com>
Subject: Re: [PATCH V2 13/13] arm64: dtsi: qcom: ipq9574: Add nodes to bring
 up multipd



On 6/27/2023 1:14 PM, Manikanta Mylavarapu wrote:
> 
> 
> On 6/24/2023 12:31 PM, Krzysztof Kozlowski wrote:
>> On 22/05/2023 00:28, Manikanta Mylavarapu wrote:
>>> Enable nodes required for multipd remoteproc bring up.
>>>
>>> Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
>>> ---
>>> Changes in V2:
>>>     - Corrected syntax like alignmnet and kept nodes in sorted order.
>>>     - Added 'firmware-name' property.
>>>
>>>   arch/arm64/boot/dts/qcom/ipq9574.dtsi | 118 ++++++++++++++++++++++++++
>>>   1 file changed, 118 insertions(+)
>>>
>>> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi 
>>> b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>>> index 0e04549c69a5..ff0da53ba05f 100644
>>> --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>>> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>>> @@ -160,6 +160,11 @@
>>>               no-map;
>>>           };
>>>
>>> +        q6_region: wcnss@...00000 {
>>> +            reg = <0x0 0x4ab00000 0x0 0x2b00000>;
>>> +            no-map;
>>> +        };
>>> +
>>>           smem@...00000 {
>>>               compatible = "qcom,smem";
>>>               reg = <0x0 0x4aa00000 0x0 0x00100000>;
>>> @@ -697,6 +702,95 @@
>>>               };
>>>           };
>>>
>>> +        q6v5_wcss: remoteproc@...0000 {
>>> +            compatible = "qcom,ipq9574-q6-mpd";
>>> +            reg = <0x0cd00000 0x4040>;
>>> +            firmware-name = "IPQ9574/q6_fw.mdt",
>>> +                    "IPQ9574/m3_fw.mdt";
>>
>> Here and...
>>
>>> +            interrupts-extended = <&intc GIC_SPI 325 
>>> 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 321 IRQ_TYPE_EDGE_RISING>;
>>> +                label = "rtr";
>>> +                qcom,remote-pid = <1>;
>>> +                mboxes = <&apcs_glb 8>;
>>> +            };
>>> +
>>> +            pd-1 {
>>> +                compatible = "qcom,ipq9574-wcss-ahb-mpd";
>>> +                firmware-name = "IPQ9574/q6_fw.mdt";
>>
>> ... here - why do you have firmware in both places?
>>

	In multipd model, Q6 & WCSS uses different firmware.
	I will correct the firmware-name. Thanks for catching.

>>> +                interrupts-extended = <&wcss_smp2p_in 8 0>,
>>> +                              <&wcss_smp2p_in 9 0>,
>>> +                              <&wcss_smp2p_in 12 0>,
>>> +                              <&wcss_smp2p_in 11 0>;
>>> +                interrupt-names = "fatal",
>>> +                          "ready",
>>> +                          "spawn-ack",
>>> +                          "stop-ack";
>>> +                qcom,smem-states = <&wcss_smp2p_out 8>,
>>> +                           <&wcss_smp2p_out 9>,
>>> +                           <&wcss_smp2p_out 10>;
>>> +                qcom,smem-state-names = "shutdown",
>>> +                            "stop",
>>> +                            "spawn";
>>> +            };
>>> +
>>> +            pd-2 {
>>> +                compatible = "qcom,ipq5018-wcss-pcie-mpd";
>>
>> This compatible is confusing for this device.
>>
	I will clean up all SOC specific compatibles and have
	only device specific compatibles for Q6 & WCSS radio's
	as i mentioned on other thread.

Thanks & Regards,
Manikanta.

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