Re: [PATCH v6 04/19] clk: mediatek: Add MT8188 peripheral clock support

[Garmin Chang (張家銘)]

On Tue, 2023-03-14 at 10:05 +0100, AngeloGioacchino Del Regno wrote:
> Il 09/03/23 14:54, Garmin.Chang ha scritto:
> > Add MT8188 peripheral clock controller which provides clock
> > gate control for ethernet/flashif/pcie/ssusb.
> > 
> > Signed-off-by: Garmin.Chang <Garmin.Chang@xxxxxxxxxxxx>
> > Reviewed-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>
> > ---
> >   drivers/clk/mediatek/Makefile             |  3 +-
> >   drivers/clk/mediatek/clk-mt8188-peri_ao.c | 56
> > +++++++++++++++++++++++
> >   2 files changed, 58 insertions(+), 1 deletion(-)
> >   create mode 100644 drivers/clk/mediatek/clk-mt8188-peri_ao.c
> > 
> > diff --git a/drivers/clk/mediatek/Makefile
> > b/drivers/clk/mediatek/Makefile
> > index d845bf7308c3..f38a5cea2925 100644
> > --- a/drivers/clk/mediatek/Makefile
> > +++ b/drivers/clk/mediatek/Makefile
> > @@ -91,7 +91,8 @@ obj-$(CONFIG_COMMON_CLK_MT8186) += clk-mt8186-
> > mcu.o clk-mt8186-topckgen.o clk-mt
> >   				   clk-mt8186-mfg.o clk-mt8186-mm.o
> > clk-mt8186-wpe.o \
> >   				   clk-mt8186-img.o clk-mt8186-vdec.o
> > clk-mt8186-venc.o \
> >   				   clk-mt8186-cam.o clk-mt8186-mdp.o
> > clk-mt8186-ipe.o
> > -obj-$(CONFIG_COMMON_CLK_MT8188) += clk-mt8188-apmixedsys.o clk-
> > mt8188-topckgen.o
> > +obj-$(CONFIG_COMMON_CLK_MT8188) += clk-mt8188-apmixedsys.o clk-
> > mt8188-topckgen.o \
> > +				   clk-mt8188-peri_ao.o
> >   obj-$(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-peri_ao.c
> > b/drivers/clk/mediatek/clk-mt8188-peri_ao.c
> > new file mode 100644
> > index 000000000000..683010453a10
> > --- /dev/null
> > +++ b/drivers/clk/mediatek/clk-mt8188-peri_ao.c
> > @@ -0,0 +1,56 @@
> > +// 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 peri_ao_cg_regs = {
> > +	.set_ofs = 0x10,
> > +	.clr_ofs = 0x14,
> > +	.sta_ofs = 0x18,
> > +};
> > +
> > +#define GATE_PERI_AO(_id, _name, _parent, _shift)			
> > \
> > +	GATE_MTK(_id, _name, _parent, &peri_ao_cg_regs, _shift,
> > &mtk_clk_gate_ops_setclr)
> > +
> > +static const struct mtk_gate peri_ao_clks[] = {
> > +	GATE_PERI_AO(CLK_PERI_AO_ETHERNET, "peri_ao_ethernet",
> > "top_axi", 0),
> > +	GATE_PERI_AO(CLK_PERI_AO_ETHERNET_BUS, "peri_ao_ethernet_bus",
> > "top_axi", 1),
> > +	GATE_PERI_AO(CLK_PERI_AO_FLASHIF_BUS, "peri_ao_flashif_bus",
> > "top_axi", 3),
> > +	GATE_PERI_AO(CLK_PERI_AO_FLASHIF_26M, "peri_ao_flashif_26m",
> > "clk26m", 4),
> > +	GATE_PERI_AO(CLK_PERI_AO_FLASHIFLASHCK,
> > "peri_ao_flashiflashck", "top_spinor", 5),
> > +	GATE_PERI_AO(CLK_PERI_AO_SSUSB_2P_BUS, "peri_ao_ssusb_2p_bus",
> > "top_usb_top_2p", 9),
> > +	GATE_PERI_AO(CLK_PERI_AO_SSUSB_2P_XHCI,
> > "peri_ao_ssusb_2p_xhci", "top_ssusb_xhci_2p", 10),
> > +	GATE_PERI_AO(CLK_PERI_AO_SSUSB_3P_BUS, "peri_ao_ssusb_3p_bus",
> > "top_usb_top_3p", 11),
> > +	GATE_PERI_AO(CLK_PERI_AO_SSUSB_3P_XHCI,
> > "peri_ao_ssusb_3p_xhci", "top_ssusb_xhci_3p", 12),
> > +	GATE_PERI_AO(CLK_PERI_AO_SSUSB_BUS, "peri_ao_ssusb_bus",
> > "top_usb_top", 13),
> > +	GATE_PERI_AO(CLK_PERI_AO_SSUSB_XHCI, "peri_ao_ssusb_xhci",
> > "top_ssusb_xhci", 14),
> > +	GATE_PERI_AO(CLK_PERI_AO_ETHERNET_MAC,
> > "peri_ao_ethernet_mac_clk", "top_snps_eth_250m", 16),
> > +	GATE_PERI_AO(CLK_PERI_AO_PCIE_P0_FMEM, "peri_ao_pcie_p0_fmem",
> > "hd_466m_fmem_ck", 24),
> > +};
> > +
> > +static const struct mtk_clk_desc peri_ao_desc = {
> > +	.clks = peri_ao_clks,
> > +	.num_clks = ARRAY_SIZE(peri_ao_clks),
> > +};
> > +
> > +static const struct of_device_id of_match_clk_mt8188_peri_ao[] = {
> > +	{ .compatible = "mediatek,mt8188-pericfg-ao", .data =
> > &peri_ao_desc },
> > +	{ /* sentinel */ }
> > +};
> 
> MODULE_DEVICE_TABLE is missing
> 
Thank you for your suggestions.

Ok, I would modify this in v7.
> > +
> > +static struct platform_driver clk_mt8188_peri_ao_drv = {
> > +	.probe = mtk_clk_simple_probe,
> > +	.remove = mtk_clk_simple_remove,
> > +	.driver = {
> > +		.name = "clk-mt8188-peri_ao",
> > +		.of_match_table = of_match_clk_mt8188_peri_ao,
> > +	},
> > +};
> > +builtin_platform_driver(clk_mt8188_peri_ao_drv);
> 
> module_platform_driver()
> 
> MODULE_LICENSE