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1// SPDX-License-Identifier: GPL-2.0-only2//3// Copyright (c) 2021 MediaTek Inc.4// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>5 6#include "clk-fhctl.h"7#include "clk-gate.h"8#include "clk-mtk.h"9#include "clk-pll.h"10#include "clk-pllfh.h"11 12#include <dt-bindings/clock/mt8195-clk.h>13#include <linux/mod_devicetable.h>14#include <linux/platform_device.h>15 16static const struct mtk_gate_regs apmixed_cg_regs = {17	.set_ofs = 0x8,18	.clr_ofs = 0x8,19	.sta_ofs = 0x8,20};21 22#define GATE_APMIXED(_id, _name, _parent, _shift)			\23	GATE_MTK(_id, _name, _parent, &apmixed_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)24 25static const struct mtk_gate apmixed_clks[] = {26	GATE_APMIXED(CLK_APMIXED_PLL_SSUSB26M, "pll_ssusb26m", "clk26m", 1),27};28 29#define MT8195_PLL_FMAX		(3800UL * MHZ)30#define MT8195_PLL_FMIN		(1500UL * MHZ)31#define MT8195_INTEGER_BITS	832 33#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags,		\34	    _rst_bar_mask, _pcwbits, _pd_reg, _pd_shift,		\35	    _tuner_reg, _tuner_en_reg, _tuner_en_bit,			\36	    _pcw_reg, _pcw_shift, _pcw_chg_reg,				\37	    _en_reg, _pll_en_bit) {					\38		.id = _id,						\39		.name = _name,						\40		.reg = _reg,						\41		.pwr_reg = _pwr_reg,					\42		.en_mask = _en_mask,					\43		.flags = _flags,					\44		.rst_bar_mask = _rst_bar_mask,				\45		.fmax = MT8195_PLL_FMAX,				\46		.fmin = MT8195_PLL_FMIN,				\47		.pcwbits = _pcwbits,					\48		.pcwibits = MT8195_INTEGER_BITS,			\49		.pd_reg = _pd_reg,					\50		.pd_shift = _pd_shift,					\51		.tuner_reg = _tuner_reg,				\52		.tuner_en_reg = _tuner_en_reg,				\53		.tuner_en_bit = _tuner_en_bit,				\54		.pcw_reg = _pcw_reg,					\55		.pcw_shift = _pcw_shift,				\56		.pcw_chg_reg = _pcw_chg_reg,				\57		.en_reg = _en_reg,					\58		.pll_en_bit = _pll_en_bit,				\59	}60 61static const struct mtk_pll_data plls[] = {62	PLL(CLK_APMIXED_NNAPLL, "nnapll", 0x0390, 0x03a0, 0,63	    0, 0, 22, 0x0398, 24, 0, 0, 0, 0x0398, 0, 0x0398, 0, 9),64	PLL(CLK_APMIXED_RESPLL, "respll", 0x0190, 0x0320, 0,65	    0, 0, 22, 0x0198, 24, 0, 0, 0, 0x0198, 0, 0x0198, 0, 9),66	PLL(CLK_APMIXED_ETHPLL, "ethpll", 0x0360, 0x0370, 0,67	    0, 0, 22, 0x0368, 24, 0, 0, 0, 0x0368, 0, 0x0368, 0, 9),68	PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x0710, 0x0720, 0,69	    0, 0, 22, 0x0718, 24, 0, 0, 0, 0x0718, 0, 0x0718, 0, 9),70	PLL(CLK_APMIXED_TVDPLL1, "tvdpll1", 0x00a0, 0x00b0, 0,71	    0, 0, 22, 0x00a8, 24, 0, 0, 0, 0x00a8, 0, 0x00a8, 0, 9),72	PLL(CLK_APMIXED_TVDPLL2, "tvdpll2", 0x00c0, 0x00d0, 0,73	    0, 0, 22, 0x00c8, 24, 0, 0, 0, 0x00c8, 0, 0x00c8, 0, 9),74	PLL(CLK_APMIXED_MMPLL, "mmpll", 0x00e0, 0x00f0, 0xff000000,75	    HAVE_RST_BAR, BIT(23), 22, 0x00e8, 24, 0, 0, 0, 0x00e8, 0, 0x00e8, 0, 9),76	PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x01d0, 0x01e0, 0xff000000,77	    HAVE_RST_BAR, BIT(23), 22, 0x01d8, 24, 0, 0, 0, 0x01d8, 0, 0x01d8, 0, 9),78	PLL(CLK_APMIXED_VDECPLL, "vdecpll", 0x0890, 0x08a0, 0,79	    0, 0, 22, 0x0898, 24, 0, 0, 0, 0x0898, 0, 0x0898, 0, 9),80	PLL(CLK_APMIXED_IMGPLL, "imgpll", 0x0100, 0x0110, 0,81	    0, 0, 22, 0x0108, 24, 0, 0, 0, 0x0108, 0, 0x0108, 0, 9),82	PLL(CLK_APMIXED_UNIVPLL, "univpll", 0x01f0, 0x0700, 0xff000000,83	    HAVE_RST_BAR, BIT(23), 22, 0x01f8, 24, 0, 0, 0, 0x01f8, 0, 0x01f8, 0, 9),84	PLL(CLK_APMIXED_HDMIPLL1, "hdmipll1", 0x08c0, 0x08d0, 0,85	    0, 0, 22, 0x08c8, 24, 0, 0, 0, 0x08c8, 0, 0x08c8, 0, 9),86	PLL(CLK_APMIXED_HDMIPLL2, "hdmipll2", 0x0870, 0x0880, 0,87	    0, 0, 22, 0x0878, 24, 0, 0, 0, 0x0878, 0, 0x0878, 0, 9),88	PLL(CLK_APMIXED_HDMIRX_APLL, "hdmirx_apll", 0x08e0, 0x0dd4, 0,89	    0, 0, 32, 0x08e8, 24, 0, 0, 0, 0x08ec, 0, 0x08e8, 0, 9),90	PLL(CLK_APMIXED_USB1PLL, "usb1pll", 0x01a0, 0x01b0, 0,91	    0, 0, 22, 0x01a8, 24, 0, 0, 0, 0x01a8, 0, 0x01a8, 0, 9),92	PLL(CLK_APMIXED_ADSPPLL, "adsppll", 0x07e0, 0x07f0, 0,93	    0, 0, 22, 0x07e8, 24, 0, 0, 0, 0x07e8, 0, 0x07e8, 0, 9),94	PLL(CLK_APMIXED_APLL1, "apll1", 0x07c0, 0x0dc0, 0,95	    0, 0, 32, 0x07c8, 24, 0x0470, 0x0000, 12, 0x07cc, 0, 0x07c8, 0, 9),96	PLL(CLK_APMIXED_APLL2, "apll2", 0x0780, 0x0dc4, 0,97	    0, 0, 32, 0x0788, 24, 0x0474, 0x0000, 13, 0x078c, 0, 0x0788, 0, 9),98	PLL(CLK_APMIXED_APLL3, "apll3", 0x0760, 0x0dc8, 0,99	    0, 0, 32, 0x0768, 24, 0x0478, 0x0000, 14, 0x076c, 0, 0x0768, 0, 9),100	PLL(CLK_APMIXED_APLL4, "apll4", 0x0740, 0x0dcc, 0,101	    0, 0, 32, 0x0748, 24, 0x047C, 0x0000, 15, 0x074c, 0, 0x0748, 0, 9),102	PLL(CLK_APMIXED_APLL5, "apll5", 0x07a0, 0x0dd0, 0x100000,103	    0, 0, 32, 0x07a8, 24, 0x0480, 0x0000, 16, 0x07ac, 0, 0x07a8, 0, 9),104	PLL(CLK_APMIXED_MFGPLL, "mfgpll", 0x0340, 0x0350, 0,105	    0, 0, 22, 0x0348, 24, 0, 0, 0, 0x0348, 0, 0x0348, 0, 9),106	PLL(CLK_APMIXED_DGIPLL, "dgipll", 0x0150, 0x0160, 0,107	    0, 0, 22, 0x0158, 24, 0, 0, 0, 0x0158, 0, 0x0158, 0, 9),108};109 110enum fh_pll_id {111	FH_ARMPLL_LL,112	FH_ARMPLL_BL,113	FH_MEMPLL,114	FH_ADSPPLL,115	FH_NNAPLL,116	FH_CCIPLL,117	FH_MFGPLL,118	FH_TVDPLL2,119	FH_MPLL,120	FH_MMPLL,121	FH_MAINPLL,122	FH_MSDCPLL,123	FH_IMGPLL,124	FH_VDECPLL,125	FH_TVDPLL1,126	FH_NR_FH,127};128 129#define FH(_pllid, _fhid, _offset) {					\130		.data = {						\131			.pll_id = _pllid,				\132			.fh_id = _fhid,					\133			.fh_ver = FHCTL_PLLFH_V2,			\134			.fhx_offset = _offset,				\135			.dds_mask = GENMASK(21, 0),			\136			.slope0_value = 0x6003c97,			\137			.slope1_value = 0x6003c97,			\138			.sfstrx_en = BIT(2),				\139			.frddsx_en = BIT(1),				\140			.fhctlx_en = BIT(0),				\141			.tgl_org = BIT(31),				\142			.dvfs_tri = BIT(31),				\143			.pcwchg = BIT(31),				\144			.dt_val = 0x0,					\145			.df_val = 0x9,					\146			.updnlmt_shft = 16,				\147			.msk_frddsx_dys = GENMASK(23, 20),		\148			.msk_frddsx_dts = GENMASK(19, 16),		\149		},							\150	}151 152static struct mtk_pllfh_data pllfhs[] = {153	FH(CLK_APMIXED_ADSPPLL, FH_ADSPPLL, 0x78),154	FH(CLK_APMIXED_NNAPLL, FH_NNAPLL, 0x8c),155	FH(CLK_APMIXED_MFGPLL, FH_MFGPLL, 0xb4),156	FH(CLK_APMIXED_TVDPLL2, FH_TVDPLL2, 0xc8),157	FH(CLK_APMIXED_MMPLL, FH_MMPLL, 0xf0),158	FH(CLK_APMIXED_MAINPLL, FH_MAINPLL, 0x104),159	FH(CLK_APMIXED_MSDCPLL, FH_MSDCPLL, 0x118),160	FH(CLK_APMIXED_IMGPLL, FH_IMGPLL, 0x12c),161	FH(CLK_APMIXED_VDECPLL, FH_VDECPLL, 0x140),162	FH(CLK_APMIXED_TVDPLL2, FH_TVDPLL1, 0x154),163};164 165static const struct of_device_id of_match_clk_mt8195_apmixed[] = {166	{ .compatible = "mediatek,mt8195-apmixedsys", },167	{}168};169MODULE_DEVICE_TABLE(of, of_match_clk_mt8195_apmixed);170 171static int clk_mt8195_apmixed_probe(struct platform_device *pdev)172{173	struct clk_hw_onecell_data *clk_data;174	struct device_node *node = pdev->dev.of_node;175	const u8 *fhctl_node = "mediatek,mt8195-fhctl";176	int r;177 178	clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);179	if (!clk_data)180		return -ENOMEM;181 182	fhctl_parse_dt(fhctl_node, pllfhs, ARRAY_SIZE(pllfhs));183 184	r = mtk_clk_register_pllfhs(node, plls, ARRAY_SIZE(plls),185				    pllfhs, ARRAY_SIZE(pllfhs), clk_data);186	if (r)187		goto free_apmixed_data;188 189	r = mtk_clk_register_gates(&pdev->dev, node, apmixed_clks,190				   ARRAY_SIZE(apmixed_clks), clk_data);191	if (r)192		goto unregister_plls;193 194	r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);195	if (r)196		goto unregister_gates;197 198	platform_set_drvdata(pdev, clk_data);199 200	return r;201 202unregister_gates:203	mtk_clk_unregister_gates(apmixed_clks, ARRAY_SIZE(apmixed_clks), clk_data);204unregister_plls:205	mtk_clk_unregister_pllfhs(plls, ARRAY_SIZE(plls), pllfhs,206				  ARRAY_SIZE(pllfhs), clk_data);207free_apmixed_data:208	mtk_free_clk_data(clk_data);209	return r;210}211 212static void clk_mt8195_apmixed_remove(struct platform_device *pdev)213{214	struct device_node *node = pdev->dev.of_node;215	struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev);216 217	of_clk_del_provider(node);218	mtk_clk_unregister_gates(apmixed_clks, ARRAY_SIZE(apmixed_clks), clk_data);219	mtk_clk_unregister_pllfhs(plls, ARRAY_SIZE(plls), pllfhs,220				  ARRAY_SIZE(pllfhs), clk_data);221	mtk_free_clk_data(clk_data);222}223 224static struct platform_driver clk_mt8195_apmixed_drv = {225	.probe = clk_mt8195_apmixed_probe,226	.remove = clk_mt8195_apmixed_remove,227	.driver = {228		.name = "clk-mt8195-apmixed",229		.of_match_table = of_match_clk_mt8195_apmixed,230	},231};232module_platform_driver(clk_mt8195_apmixed_drv);233 234MODULE_DESCRIPTION("MediaTek MT8195 apmixedsys clocks driver");235MODULE_LICENSE("GPL");236