Re: [v2 14/24] clk: mediatek: Add MT8195 mfgcfg clock support

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On Fri, Aug 20, 2021 at 7:26 PM Chun-Jie Chen
<chun-jie.chen@xxxxxxxxxxxx> wrote:
>
> Add MT8195 mfg clock controller which provides clock gate
> control for Main Frame Graphic.

I think it would be easier to understand if it just said GPU instead. Or
it could write:

     ... for Main Frame Graphic, aka integrated GPU.

Try to use more generic terms. The idea is for people with at least some
basic knowledge to be able to understand.

> Signed-off-by: Chun-Jie Chen <chun-jie.chen@xxxxxxxxxxxx>
> ---
>  drivers/clk/mediatek/Makefile         |  2 +-
>  drivers/clk/mediatek/clk-mt8195-mfg.c | 47 +++++++++++++++++++++++++++
>  2 files changed, 48 insertions(+), 1 deletion(-)
>  create mode 100644 drivers/clk/mediatek/clk-mt8195-mfg.c
>
> diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
> index 84d315a6b3e4..042db433245a 100644
> --- a/drivers/clk/mediatek/Makefile
> +++ b/drivers/clk/mediatek/Makefile
> @@ -81,6 +81,6 @@ obj-$(CONFIG_COMMON_CLK_MT8192_SCP_ADSP) += clk-mt8192-scp_adsp.o
>  obj-$(CONFIG_COMMON_CLK_MT8192_VDECSYS) += clk-mt8192-vdec.o
>  obj-$(CONFIG_COMMON_CLK_MT8192_VENCSYS) += clk-mt8192-venc.o
>  obj-$(CONFIG_COMMON_CLK_MT8195) += clk-mt8195-apmixedsys.o clk-mt8195-topckgen.o clk-mt8195-peri_ao.o clk-mt8195-infra_ao.o clk-mt8195-cam.o \
> -                                       clk-mt8195-ccu.o clk-mt8195-img.o clk-mt8195-ipe.o
> +                                       clk-mt8195-ccu.o clk-mt8195-img.o clk-mt8195-ipe.o clk-mt8195-mfg.o

Wrap line, please.


Regards
ChenYu


>  obj-$(CONFIG_COMMON_CLK_MT8516) += clk-mt8516.o
>  obj-$(CONFIG_COMMON_CLK_MT8516_AUDSYS) += clk-mt8516-aud.o
> diff --git a/drivers/clk/mediatek/clk-mt8195-mfg.c b/drivers/clk/mediatek/clk-mt8195-mfg.c
> new file mode 100644
> index 000000000000..0a81fe1fe50e
> --- /dev/null
> +++ b/drivers/clk/mediatek/clk-mt8195-mfg.c
> @@ -0,0 +1,47 @@
> +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> +//
> +// Copyright (c) 2021 MediaTek Inc.
> +// Author: Chun-Jie Chen <chun-jie.chen@xxxxxxxxxxxx>
> +
> +#include "clk-gate.h"
> +#include "clk-mtk.h"
> +
> +#include <dt-bindings/clock/mt8195-clk.h>
> +#include <linux/clk-provider.h>
> +#include <linux/platform_device.h>
> +
> +static const struct mtk_gate_regs mfg_cg_regs = {
> +       .set_ofs = 0x4,
> +       .clr_ofs = 0x8,
> +       .sta_ofs = 0x0,
> +};
> +
> +#define GATE_MFG(_id, _name, _parent, _shift)                  \
> +       GATE_MTK(_id, _name, _parent, &mfg_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
> +
> +static const struct mtk_gate mfg_clks[] = {
> +       GATE_MFG(CLK_MFG_BG3D, "mfg_bg3d", "top_mfg_core_tmp", 0),
> +};
> +
> +static const struct mtk_clk_desc mfg_desc = {
> +       .clks = mfg_clks,
> +       .num_clks = ARRAY_SIZE(mfg_clks),
> +};
> +
> +static const struct of_device_id of_match_clk_mt8195_mfg[] = {
> +       {
> +               .compatible = "mediatek,mt8195-mfgcfg",
> +               .data = &mfg_desc,
> +       }, {
> +               /* sentinel */
> +       }
> +};
> +
> +static struct platform_driver clk_mt8195_mfg_drv = {
> +       .probe = mtk_clk_simple_probe,
> +       .driver = {
> +               .name = "clk-mt8195-mfg",
> +               .of_match_table = of_match_clk_mt8195_mfg,
> +       },
> +};
> +builtin_platform_driver(clk_mt8195_mfg_drv);
> --
> 2.18.0
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