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

From: Dmitry Baryshkov
Date: Tue Dec 03 2024 - 06:52:49 EST


On Tue, 3 Dec 2024 at 00:04, Melody Olvera <quic_molvera@xxxxxxxxxxx> 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@xxxxxxxxxxx>
> >>>
> >>> Introduce SM8750 interconnect provider driver using the interconnect
> >>> framework.
> >>>
> >>> Signed-off-by: Raviteja Laggyshetty <quic_rlaggysh@xxxxxxxxxxx>
> >>> Signed-off-by: Melody Olvera <quic_molvera@xxxxxxxxxxx>
> >>> ---
> >>> 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