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

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Message-ID: <0ca812e7-bf5b-463a-83dc-9195aee14589@quicinc.com>
Date: Mon, 18 Nov 2024 10:01:05 -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 11/15/2024 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.

Thanks,
Melody
>
> Other than that:
>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
>
>