linux-kernel - Re: [PATCH v2 2/2] interconnect: qcom: Add interconnect provider driver for SM8750

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Message-ID: <828dbdb1-d987-43e6-8cd1-7ba267da9e67@quicinc.com>
Date: Mon, 2 Dec 2024 14:04:30 -0800
From: Melody Olvera <quic_molvera@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC: Georgi Djakov <djakov@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Adam Skladowski <a39.skl@...il.com>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Sibi Sankar <quic_sibis@...cinc.com>,
        Uwe Kleine-König
	<u.kleine-koenig@...libre.com>,
        Vladimir Lypak <vladimir.lypak@...il.com>,
        Danila Tikhonov <danila@...xyga.com>,
        Raviteja Laggyshetty
	<quic_rlaggysh@...cinc.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Rajendra Nayak <quic_rjendra@...cinc.com>,
        Mike Tipton
	<quic_mdtipton@...cinc.com>,
        Abel Vesa <abel.vesa@...aro.org>,
        Trilok Soni
	<quic_tsoni@...cinc.com>,
        Satya Durga Srinivasu Prabhala
	<quic_satyap@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <linux-pm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] interconnect: qcom: Add interconnect provider
 driver for SM8750



On 11/18/2024 10:01 AM, Melody Olvera wrote:
>
>
> On 11/15/2024 7:27 AM, Dmitry Baryshkov wrote:
>> On Mon, Nov 11, 2024 at 04:30:17PM -0800, Melody Olvera wrote:
>>> From: Raviteja Laggyshetty <quic_rlaggysh@...cinc.com>
>>>
>>> Introduce SM8750 interconnect provider driver using the interconnect
>>> framework.
>>>
>>> Signed-off-by: Raviteja Laggyshetty <quic_rlaggysh@...cinc.com>
>>> Signed-off-by: Melody Olvera <quic_molvera@...cinc.com>
>>> ---
>>>   drivers/interconnect/qcom/Kconfig  |    9 +
>>>   drivers/interconnect/qcom/Makefile |    2 +
>>>   drivers/interconnect/qcom/sm8750.c | 1585 
>>> ++++++++++++++++++++++++++++
>>>   drivers/interconnect/qcom/sm8750.h |  132 +++
>>>   4 files changed, 1728 insertions(+)
>>>   create mode 100644 drivers/interconnect/qcom/sm8750.c
>>>   create mode 100644 drivers/interconnect/qcom/sm8750.h
>>>
>>> diff --git a/drivers/interconnect/qcom/Kconfig 
>>> b/drivers/interconnect/qcom/Kconfig
>>> index 362fb9b0a198..1219f4f23d40 100644
>>> --- a/drivers/interconnect/qcom/Kconfig
>>> +++ b/drivers/interconnect/qcom/Kconfig
>>> @@ -337,6 +337,15 @@ config INTERCONNECT_QCOM_SM8650
>>>         This is a driver for the Qualcomm Network-on-Chip on 
>>> SM8650-based
>>>         platforms.
>>>   +config INTERCONNECT_QCOM_SM8750
>>> +    tristate "Qualcomm SM8750 interconnect driver"
>>> +    depends on INTERCONNECT_QCOM_RPMH_POSSIBLE
>>> +    select INTERCONNECT_QCOM_RPMH
>>> +    select INTERCONNECT_QCOM_BCM_VOTER
>>> +    help
>>> +      This is a driver for the Qualcomm Network-on-Chip on 
>>> SM8750-based
>>> +      platforms.
>>> +
>>>   config INTERCONNECT_QCOM_X1E80100
>>>       tristate "Qualcomm X1E80100 interconnect driver"
>>>       depends on INTERCONNECT_QCOM_RPMH_POSSIBLE
>>> diff --git a/drivers/interconnect/qcom/Makefile 
>>> b/drivers/interconnect/qcom/Makefile
>>> index 9997728c02bf..7887b1e8d69b 100644
>>> --- a/drivers/interconnect/qcom/Makefile
>>> +++ b/drivers/interconnect/qcom/Makefile
>>> @@ -40,6 +40,7 @@ qnoc-sm8350-objs            := sm8350.o
>>>   qnoc-sm8450-objs            := sm8450.o
>>>   qnoc-sm8550-objs            := sm8550.o
>>>   qnoc-sm8650-objs            := sm8650.o
>>> +qnoc-sm8750-objs            := sm8750.o
>>>   qnoc-x1e80100-objs            := x1e80100.o
>>>   icc-smd-rpm-objs            := smd-rpm.o icc-rpm.o icc-rpm-clocks.o
>>>   @@ -80,5 +81,6 @@ obj-$(CONFIG_INTERCONNECT_QCOM_SM8350) += 
>>> qnoc-sm8350.o
>>>   obj-$(CONFIG_INTERCONNECT_QCOM_SM8450) += qnoc-sm8450.o
>>>   obj-$(CONFIG_INTERCONNECT_QCOM_SM8550) += qnoc-sm8550.o
>>>   obj-$(CONFIG_INTERCONNECT_QCOM_SM8650) += qnoc-sm8650.o
>>> +obj-$(CONFIG_INTERCONNECT_QCOM_SM8750) += qnoc-sm8750.o
>>>   obj-$(CONFIG_INTERCONNECT_QCOM_X1E80100) += qnoc-x1e80100.o
>>>   obj-$(CONFIG_INTERCONNECT_QCOM_SMD_RPM) += icc-smd-rpm.o
>>> diff --git a/drivers/interconnect/qcom/sm8750.c 
>>> b/drivers/interconnect/qcom/sm8750.c
>>> new file mode 100644
>>> index 000000000000..bc72954d54ff
>>> --- /dev/null
>>> +++ b/drivers/interconnect/qcom/sm8750.c
>>> @@ -0,0 +1,1585 @@
>>> +// SPDX-License-Identifier: GPL-2.0-only
>>> +/*
>>> + * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights 
>>> reserved.
>>> + *
>>> + */
>>> +
>>> +#include <linux/device.h>
>>> +#include <linux/interconnect.h>
>>> +#include <linux/interconnect-provider.h>
>>> +#include <linux/module.h>
>>> +#include <linux/of_platform.h>
>>> +#include <dt-bindings/interconnect/qcom,sm8750-rpmh.h>
>>> +
>>> +#include "bcm-voter.h"
>>> +#include "icc-rpmh.h"
>>> +#include "sm8750.h"
>> Nit: please merge sm8750.h here, there is no need to have a separate
>> header, there are no other users.
>
> Ack.
>
>>
>> Also, is there QoS support? I see no qcom_icc_qosbox entries.
>
> Unsure; will let Raviteja comment.
>

Spoke w Raviteja; looks like he wants to do this later.

Thanks,
Melody