Re: [PATCH V9 08/12] interconnect: mediatek: Add interconnect provider driver

From: Georgi Djakov
Date: Thu Mar 18 2021 - 05:15:44 EST


On 3/2/21 05:47, Henry Chen wrote:
> Introduce Mediatek MT6873/MT8183/MT8192 specific provider driver
> using the interconnect framework.
>
> ICC provider ICC Nodes
> ---- ----
> --------- |CPU | |--- |VPU |
> ----- | |----- ---- | ----
> |DRAM |--|DRAM | ---- | ----
> | |--|scheduler|----- |GPU | |--- |DISP|
> | |--|(EMI) | ---- | ----
> | |--| | ----- | ----
> ----- | |----- |MMSYS|--|--- |VDEC|
> --------- ----- | ----
> /|\ | ----
> |change DRAM freq |--- |VENC|
> ---------- | ----
> | DVFSR | |
> | | | ----
> ---------- |--- |IMG |
> | ----
> | ----
> |--- |CAM |
> ----
> Signed-off-by: Henry Chen <henryc.chen@xxxxxxxxxxxx>
> ---
> drivers/interconnect/Kconfig | 1 +
> drivers/interconnect/Makefile | 1 +
> drivers/interconnect/mediatek/Kconfig | 13 ++
> drivers/interconnect/mediatek/Makefile | 3 +
> drivers/interconnect/mediatek/mtk-emi.c | 331 ++++++++++++++++++++++++++++++++
> 5 files changed, 349 insertions(+)
> create mode 100644 drivers/interconnect/mediatek/Kconfig
> create mode 100644 drivers/interconnect/mediatek/Makefile
> create mode 100644 drivers/interconnect/mediatek/mtk-emi.c
[..]
> +++ b/drivers/interconnect/mediatek/mtk-emi.c
> @@ -0,0 +1,331 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (c) 2021, The Linux Foundation. All rights reserved.
> + *
> + */
> +
> +#include <linux/device.h>
> +#include <linux/interconnect-provider.h>
> +#include <linux/module.h>
> +#include <linux/of_device.h>
> +#include <linux/platform_device.h>
> +#include <linux/soc/mediatek/mtk_dvfsrc.h>

The patch looks good to me, but as there is a build dependency I'll wait
until the dvfsrc patches are reviewed/picked by Matthias.

Thanks,
Georgi