Re: [PATCH v5 10/19] clk: mediatek: Add MT8188 mfgcfg clock support

[Garmin Chang (張家銘)]

On Fri, 2023-02-03 at 15:02 +0800, Chen-Yu Tsai wrote:
> On Thu, Jan 19, 2023 at 8:50 PM Garmin.Chang <
> Garmin.Chang@xxxxxxxxxxxx> wrote:
> > 
> > Add MT8188 mfg clock controller which provides clock gate
> > control for GPU.
> > 
> > Signed-off-by: Garmin.Chang <Garmin.Chang@xxxxxxxxxxxx>
> > ---
> >  drivers/clk/mediatek/Makefile         |  2 +-
> >  drivers/clk/mediatek/clk-mt8188-mfg.c | 47
> > +++++++++++++++++++++++++++
> >  2 files changed, 48 insertions(+), 1 deletion(-)
> >  create mode 100644 drivers/clk/mediatek/clk-mt8188-mfg.c
> > 
> > diff --git a/drivers/clk/mediatek/Makefile
> > b/drivers/clk/mediatek/Makefile
> > index 4a599122f761..a0fd87a882b5 100644
> > --- a/drivers/clk/mediatek/Makefile
> > +++ b/drivers/clk/mediatek/Makefile
> > @@ -86,7 +86,7 @@ obj-$(CONFIG_COMMON_CLK_MT8186) += clk-mt8186-
> > mcu.o clk-mt8186-topckgen.o clk-mt
> >  obj-$(CONFIG_COMMON_CLK_MT8188) += clk-mt8188-apmixedsys.o clk-
> > mt8188-topckgen.o \
> >                                    clk-mt8188-peri_ao.o clk-mt8188-
> > infra_ao.o \
> >                                    clk-mt8188-cam.o clk-mt8188-
> > ccu.o clk-mt8188-img.o \
> > -                                  clk-mt8188-ipe.o
> > +                                  clk-mt8188-ipe.o clk-mt8188-
> > mfg.o
> >  obj-$(CONFIG_COMMON_CLK_MT8192) += clk-mt8192.o
> >  obj-$(CONFIG_COMMON_CLK_MT8192_AUDSYS) += clk-mt8192-aud.o
> >  obj-$(CONFIG_COMMON_CLK_MT8192_CAMSYS) += clk-mt8192-cam.o
> > diff --git a/drivers/clk/mediatek/clk-mt8188-mfg.c
> > b/drivers/clk/mediatek/clk-mt8188-mfg.c
> > new file mode 100644
> > index 000000000000..57b0afb5f4df
> > --- /dev/null
> > +++ b/drivers/clk/mediatek/clk-mt8188-mfg.c
> > @@ -0,0 +1,47 @@
> > +// SPDX-License-Identifier: GPL-2.0-only
> > +//
> > +// Copyright (c) 2022 MediaTek Inc.
> > +// Author: Garmin Chang <garmin.chang@xxxxxxxxxxxx>
> > +
> > +#include <linux/clk-provider.h>
> > +#include <linux/platform_device.h>
> > +#include <dt-bindings/clock/mediatek,mt8188-clk.h>
> > +
> > +#include "clk-gate.h"
> > +#include "clk-mtk.h"
> > +
> > +static const struct mtk_gate_regs mfgcfg_cg_regs = {
> > +       .set_ofs = 0x4,
> > +       .clr_ofs = 0x8,
> > +       .sta_ofs = 0x0,
> > +};
> > +
> > +#define GATE_MFG(_id, _name, _parent,
> > _shift)                          \
> > +       GATE_MTK_FLAGS(_id, _name, _parent, &mfgcfg_cg_regs,
> > _shift,    \
> > +                      &mtk_clk_gate_ops_setclr,
> > CLK_SET_RATE_PARENT)
> > +
> > +static const struct mtk_gate mfgcfg_clks[] = {
> > +       GATE_MFG(CLK_MFGCFG_BG3D, "mfgcfg_bg3d",
> > "top_mfg_core_tmp", 0),
> 
> Are you sure the parent isn't "mfg_ck_fast_ref"?

Thank you for your suggestions. 
OK, I will chnage to mfg_ck_fast_ref in v6.

> 
> ChenYu