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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Copyright (c) 2021 MediaTek Inc.4 *               Chun-Jie Chen <chun-jie.chen@mediatek.com>5 * Copyright (c) 2023 Collabora Ltd.6 *               AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>7 */8 9#include <dt-bindings/clock/mt8192-clk.h>10#include <linux/module.h>11#include <linux/platform_device.h>12#include "clk-fhctl.h"13#include "clk-gate.h"14#include "clk-mtk.h"15#include "clk-pll.h"16#include "clk-pllfh.h"17 18static const struct mtk_gate_regs apmixed_cg_regs = {19	.set_ofs = 0x14,20	.clr_ofs = 0x14,21	.sta_ofs = 0x14,22};23 24#define GATE_APMIXED(_id, _name, _parent, _shift)	\25	GATE_MTK(_id, _name, _parent, &apmixed_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)26 27static const struct mtk_gate apmixed_clks[] = {28	GATE_APMIXED(CLK_APMIXED_MIPID26M, "mipid26m", "clk26m", 16),29};30 31#define MT8192_PLL_FMAX		(3800UL * MHZ)32#define MT8192_PLL_FMIN		(1500UL * MHZ)33#define MT8192_INTEGER_BITS	834 35#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags,		\36			_rst_bar_mask, _pcwbits, _pd_reg, _pd_shift,	\37			_tuner_reg, _tuner_en_reg, _tuner_en_bit,	\38			_pcw_reg, _pcw_shift, _pcw_chg_reg,		\39			_en_reg, _pll_en_bit) {				\40		.id = _id,						\41		.name = _name,						\42		.reg = _reg,						\43		.pwr_reg = _pwr_reg,					\44		.en_mask = _en_mask,					\45		.flags = _flags,					\46		.rst_bar_mask = _rst_bar_mask,				\47		.fmax = MT8192_PLL_FMAX,				\48		.fmin = MT8192_PLL_FMIN,				\49		.pcwbits = _pcwbits,					\50		.pcwibits = MT8192_INTEGER_BITS,			\51		.pd_reg = _pd_reg,					\52		.pd_shift = _pd_shift,					\53		.tuner_reg = _tuner_reg,				\54		.tuner_en_reg = _tuner_en_reg,				\55		.tuner_en_bit = _tuner_en_bit,				\56		.pcw_reg = _pcw_reg,					\57		.pcw_shift = _pcw_shift,				\58		.pcw_chg_reg = _pcw_chg_reg,				\59		.en_reg = _en_reg,					\60		.pll_en_bit = _pll_en_bit,				\61	}62 63#define PLL_B(_id, _name, _reg, _pwr_reg, _en_mask, _flags,		\64			_rst_bar_mask, _pcwbits, _pd_reg, _pd_shift,	\65			_tuner_reg, _tuner_en_reg, _tuner_en_bit,	\66			_pcw_reg, _pcw_shift)				\67		PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags,	\68			_rst_bar_mask, _pcwbits, _pd_reg, _pd_shift,	\69			_tuner_reg, _tuner_en_reg, _tuner_en_bit,	\70			_pcw_reg, _pcw_shift, 0, 0, 0)71 72static const struct mtk_pll_data plls[] = {73	PLL_B(CLK_APMIXED_MAINPLL, "mainpll", 0x0340, 0x034c, 0xff000000,74	      HAVE_RST_BAR, BIT(23), 22, 0x0344, 24, 0, 0, 0, 0x0344, 0),75	PLL_B(CLK_APMIXED_UNIVPLL, "univpll", 0x0308, 0x0314, 0xff000000,76	      HAVE_RST_BAR, BIT(23), 22, 0x030c, 24, 0, 0, 0, 0x030c, 0),77	PLL(CLK_APMIXED_USBPLL, "usbpll", 0x03c4, 0x03cc, 0x00000000,78	    0, 0, 22, 0x03c4, 24, 0, 0, 0, 0x03c4, 0, 0x03c4, 0x03cc, 2),79	PLL_B(CLK_APMIXED_MSDCPLL, "msdcpll", 0x0350, 0x035c, 0x00000000,80	      0, 0, 22, 0x0354, 24, 0, 0, 0, 0x0354, 0),81	PLL_B(CLK_APMIXED_MMPLL, "mmpll", 0x0360, 0x036c, 0xff000000,82	      HAVE_RST_BAR, BIT(23), 22, 0x0364, 24, 0, 0, 0, 0x0364, 0),83	PLL_B(CLK_APMIXED_ADSPPLL, "adsppll", 0x0370, 0x037c, 0xff000000,84	      HAVE_RST_BAR, BIT(23), 22, 0x0374, 24, 0, 0, 0, 0x0374, 0),85	PLL_B(CLK_APMIXED_MFGPLL, "mfgpll", 0x0268, 0x0274, 0x00000000,86	      0, 0, 22, 0x026c, 24, 0, 0, 0, 0x026c, 0),87	PLL_B(CLK_APMIXED_TVDPLL, "tvdpll", 0x0380, 0x038c, 0x00000000,88	      0, 0, 22, 0x0384, 24, 0, 0, 0, 0x0384, 0),89	PLL_B(CLK_APMIXED_APLL1, "apll1", 0x0318, 0x0328, 0x00000000,90	      0, 0, 32, 0x031c, 24, 0x0040, 0x000c, 0, 0x0320, 0),91	PLL_B(CLK_APMIXED_APLL2, "apll2", 0x032c, 0x033c, 0x00000000,92	      0, 0, 32, 0x0330, 24, 0, 0, 0, 0x0334, 0),93};94 95enum fh_pll_id {96	FH_ARMPLL_LL,97	FH_ARMPLL_BL0,98	FH_ARMPLL_BL1,99	FH_ARMPLL_BL2,100	FH_ARMPLL_BL3,101	FH_CCIPLL,102	FH_MFGPLL,103	FH_MEMPLL,104	FH_MPLL,105	FH_MMPLL,106	FH_MAINPLL,107	FH_MSDCPLL,108	FH_ADSPPLL,109	FH_APUPLL,110	FH_TVDPLL,111	FH_NR_FH,112};113 114#define FH(_pllid, _fhid, _offset) {					\115		.data = {						\116			.pll_id = _pllid,				\117			.fh_id = _fhid,					\118			.fh_ver = FHCTL_PLLFH_V2,			\119			.fhx_offset = _offset,				\120			.dds_mask = GENMASK(21, 0),			\121			.slope0_value = 0x6003c97,			\122			.slope1_value = 0x6003c97,			\123			.sfstrx_en = BIT(2),				\124			.frddsx_en = BIT(1),				\125			.fhctlx_en = BIT(0),				\126			.tgl_org = BIT(31),				\127			.dvfs_tri = BIT(31),				\128			.pcwchg = BIT(31),				\129			.dt_val = 0x0,					\130			.df_val = 0x9,					\131			.updnlmt_shft = 16,				\132			.msk_frddsx_dys = GENMASK(23, 20),		\133			.msk_frddsx_dts = GENMASK(19, 16),		\134		},							\135	}136 137static struct mtk_pllfh_data pllfhs[] = {138	FH(CLK_APMIXED_MFGPLL, FH_MFGPLL, 0xb4),139	FH(CLK_APMIXED_MMPLL, FH_MMPLL, 0xf0),140	FH(CLK_APMIXED_MAINPLL, FH_MAINPLL, 0x104),141	FH(CLK_APMIXED_MSDCPLL, FH_MSDCPLL, 0x118),142	FH(CLK_APMIXED_ADSPPLL, FH_ADSPPLL, 0x12c),143	FH(CLK_APMIXED_TVDPLL, FH_TVDPLL, 0x154),144};145 146static const struct of_device_id of_match_clk_mt8192_apmixed[] = {147	{ .compatible = "mediatek,mt8192-apmixedsys" },148	{ /* sentinel */ }149};150MODULE_DEVICE_TABLE(of, of_match_clk_mt8192_apmixed);151 152static int clk_mt8192_apmixed_probe(struct platform_device *pdev)153{154	struct clk_hw_onecell_data *clk_data;155	struct device_node *node = pdev->dev.of_node;156	const u8 *fhctl_node = "mediatek,mt8192-fhctl";157	int r;158 159	clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);160	if (!clk_data)161		return -ENOMEM;162 163	fhctl_parse_dt(fhctl_node, pllfhs, ARRAY_SIZE(pllfhs));164 165	r = mtk_clk_register_pllfhs(node, plls, ARRAY_SIZE(plls),166				    pllfhs, ARRAY_SIZE(pllfhs), clk_data);167	if (r)168		goto free_clk_data;169 170	r = mtk_clk_register_gates(&pdev->dev, node, apmixed_clks,171				   ARRAY_SIZE(apmixed_clks), clk_data);172	if (r)173		goto unregister_plls;174 175	r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);176	if (r)177		goto unregister_gates;178 179	return r;180 181unregister_gates:182	mtk_clk_unregister_gates(apmixed_clks, ARRAY_SIZE(apmixed_clks), clk_data);183unregister_plls:184	mtk_clk_unregister_pllfhs(plls, ARRAY_SIZE(plls), pllfhs,185				  ARRAY_SIZE(pllfhs), clk_data);186free_clk_data:187	mtk_free_clk_data(clk_data);188	return r;189}190 191static void clk_mt8192_apmixed_remove(struct platform_device *pdev)192{193	struct device_node *node = pdev->dev.of_node;194	struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev);195 196	of_clk_del_provider(node);197	mtk_clk_unregister_gates(apmixed_clks, ARRAY_SIZE(apmixed_clks), clk_data);198	mtk_clk_unregister_pllfhs(plls, ARRAY_SIZE(plls), pllfhs,199				  ARRAY_SIZE(pllfhs), clk_data);200	mtk_free_clk_data(clk_data);201}202 203static struct platform_driver clk_mt8192_apmixed_drv = {204	.driver = {205		.name = "clk-mt8192-apmixed",206		.of_match_table = of_match_clk_mt8192_apmixed,207	},208	.probe = clk_mt8192_apmixed_probe,209	.remove = clk_mt8192_apmixed_remove,210};211module_platform_driver(clk_mt8192_apmixed_drv);212MODULE_DESCRIPTION("MediaTek MT8192 apmixed clocks driver");213MODULE_LICENSE("GPL");214