2023-02-03 07:03:16

by Chen-Yu Tsai

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

On Thu, Jan 19, 2023 at 8:50 PM Garmin.Chang <[email protected]> wrote:
>
> Add MT8188 mfg clock controller which provides clock gate
> control for GPU.
>
> Signed-off-by: Garmin.Chang <[email protected]>
> ---
> 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 <[email protected]>
> +
> +#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"?

ChenYu

2023-03-09 05:31:44

by Garmin Chang (張家銘)

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

On Fri, 2023-02-03 at 15:02 +0800, Chen-Yu Tsai wrote:
> On Thu, Jan 19, 2023 at 8:50 PM Garmin.Chang <
> [email protected]> wrote:
> >
> > Add MT8188 mfg clock controller which provides clock gate
> > control for GPU.
> >
> > Signed-off-by: Garmin.Chang <[email protected]>
> > ---
> > 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 <[email protected]>
> > +
> > +#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