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

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Message-ID: <CAA8EJpqPRpV_aGH_LHoG8EWkaQ_tCR3u0jM3C_jXKowCAUEqPQ@mail.gmail.com>
Date: Tue, 3 Dec 2024 13:51:46 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Melody Olvera <quic_molvera@...cinc.com>
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 Tue, 3 Dec 2024 at 00:04, Melody Olvera <quic_molvera@...cinc.com> wrote:
>
>
>
> 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.

Will that cause bindings changes?

-- 
With best wishes
Dmitry