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

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Message-ID: <em4vkg4totsg435s4usu7kqn45vfqfot2j7sikzmnof2kkyidi@26b6kkpz7z4c>
Date: Fri, 15 Nov 2024 17:27:42 +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 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.

Also, is there QoS support? I see no qcom_icc_qosbox entries.

Other than that:

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>


-- 
With best wishes
Dmitry