// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright (c) 2022 MediaTek Inc.
// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
#include <linux/clk-provider.h>
#include <linux/platform_device.h>
#include <dt-bindings/clock/mt8186-clk.h>
#include "clk-fhctl.h"
#include "clk-mtk.h"
#include "clk-pll.h"
#include "clk-pllfh.h"
#define MT8186_PLL_FMAX (3800UL * MHZ)
#define MT8186_PLL_FMIN (1500UL * MHZ)
#define MT8186_INTEGER_BITS (8)
#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, \
_rst_bar_mask, _pcwbits, _pd_reg, _pd_shift, \
_tuner_reg, _tuner_en_reg, _tuner_en_bit, \
_pcw_reg) { \
.id = _id, \
.name = _name, \
.reg = _reg, \
.pwr_reg = _pwr_reg, \
.en_mask = _en_mask, \
.flags = _flags, \
.rst_bar_mask = _rst_bar_mask, \
.fmax = MT8186_PLL_FMAX, \
.fmin = MT8186_PLL_FMIN, \
.pcwbits = _pcwbits, \
.pcwibits = MT8186_INTEGER_BITS, \
.pd_reg = _pd_reg, \
.pd_shift = _pd_shift, \
.tuner_reg = _tuner_reg, \
.tuner_en_reg = _tuner_en_reg, \
.tuner_en_bit = _tuner_en_bit, \
.pcw_reg = _pcw_reg, \
.pcw_shift = 0, \
.pcw_chg_reg = 0, \
.en_reg = 0, \
.pll_en_bit = 0, \
}
static const struct mtk_pll_data plls[] = {
/*
* armpll_ll/armpll_bl/ccipll are main clock source of AP MCU,
* should not be closed in Linux world.
*/
PLL(CLK_APMIXED_ARMPLL_LL, "armpll_ll", 0x0204, 0x0210, 0,
PLL_AO, 0, 22, 0x0208, 24, 0, 0, 0, 0x0208),
PLL(CLK_APMIXED_ARMPLL_BL, "armpll_bl", 0x0214, 0x0220, 0,
PLL_AO, 0, 22, 0x0218, 24, 0, 0, 0, 0x0218),
PLL(CLK_APMIXED_CCIPLL, "ccipll", 0x0224, 0x0230, 0,
PLL_AO, 0, 22, 0x0228, 24, 0, 0, 0, 0x0228),
PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x0244, 0x0250, 0xff000000,
HAVE_RST_BAR, BIT(23), 22, 0x0248, 24, 0, 0, 0, 0x0248),
PLL(CLK_APMIXED_UNIV2PLL, "univ2pll", 0x0324, 0x0330, 0xff000000,
HAVE_RST_BAR, BIT(23), 22, 0x0328, 24, 0, 0, 0, 0x0328),
PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x038C, 0x0398, 0,
0, 0, 22, 0x0390, 24, 0, 0, 0, 0x0390),
PLL(CLK_APMIXED_MMPLL, "mmpll", 0x0254, 0x0260, 0,
0, 0, 22, 0x0258, 24, 0, 0, 0, 0x0258),
PLL(CLK_APMIXED_NNAPLL, "nnapll", 0x035C, 0x0368, 0,
0, 0, 22, 0x0360, 24, 0, 0, 0, 0x0360),
PLL(CLK_APMIXED_NNA2PLL, "nna2pll", 0x036C, 0x0378, 0,
0, 0, 22, 0x0370, 24, 0, 0, 0, 0x0370),
PLL(CLK_APMIXED_ADSPPLL, "adsppll", 0x0304, 0x0310, 0,
0, 0, 22, 0x0308, 24, 0, 0, 0, 0x0308),
PLL(CLK_APMIXED_MFGPLL, "mfgpll", 0x0314, 0x0320, 0,
0, 0, 22, 0x0318, 24, 0, 0, 0, 0x0318),
PLL(CLK_APMIXED_TVDPLL, "tvdpll", 0x0264, 0x0270, 0,
0, 0, 22, 0x0268, 24, 0, 0, 0, 0x0268),
PLL(CLK_APMIXED_APLL1, "apll1", 0x0334, 0x0344, 0,
0, 0, 32, 0x0338, 24, 0x0040, 0x000C, 0, 0x033C),
PLL(CLK_APMIXED_APLL2, "apll2", 0x0348, 0x0358, 0,
0, 0, 32, 0x034C, 24, 0x0044, 0x000C, 5, 0x0350),
};
enum fh_pll_id {
FH_ARMPLL_LL,
FH_ARMPLL_BL,
FH_CCIPLL,
FH_MAINPLL,
FH_MMPLL,
FH_TVDPLL,
FH_RESERVE6,
FH_ADSPPLL,
FH_MFGPLL,
FH_NNAPLL,
FH_NNA2PLL,
FH_MSDCPLL,
FH_RESERVE12,
FH_NR_FH,
};
#define FH(_pllid, _fhid, _offset) { \
.data = { \
.pll_id = _pllid, \
.fh_id = _fhid, \
.fh_ver = FHCTL_PLLFH_V2, \
.fhx_offset = _offset, \
.dds_mask = GENMASK(21, 0), \
.slope0_value = 0x6003c97, \
.slope1_value = 0x6003c97, \
.sfstrx_en = BIT(2), \
.frddsx_en = BIT(1), \
.fhctlx_en = BIT(0), \
.tgl_org = BIT(31), \
.dvfs_tri = BIT(31), \
.pcwchg = BIT(31), \
.dt_val = 0x0, \
.df_val = 0x9, \
.updnlmt_shft = 16, \
.msk_frddsx_dys = GENMASK(23, 20), \
.msk_frddsx_dts = GENMASK(19, 16), \
}, \
}
static struct mtk_pllfh_data pllfhs[] = {
FH(CLK_APMIXED_ARMPLL_LL, FH_ARMPLL_LL, 0x003C),
FH(CLK_APMIXED_ARMPLL_BL, FH_ARMPLL_BL, 0x0050),
FH(CLK_APMIXED_CCIPLL, FH_CCIPLL, 0x0064),
FH(CLK_APMIXED_MAINPLL, FH_MAINPLL, 0x0078),
FH(CLK_APMIXED_MMPLL, FH_MMPLL, 0x008C),
FH(CLK_APMIXED_TVDPLL, FH_TVDPLL, 0x00A0),
FH(CLK_APMIXED_ADSPPLL, FH_ADSPPLL, 0x00C8),
FH(CLK_APMIXED_MFGPLL, FH_MFGPLL, 0x00DC),
FH(CLK_APMIXED_NNAPLL, FH_NNAPLL, 0x00F0),
FH(CLK_APMIXED_NNA2PLL, FH_NNA2PLL, 0x0104),
FH(CLK_APMIXED_MSDCPLL, FH_MSDCPLL, 0x0118),
};
static const struct of_device_id of_match_clk_mt8186_apmixed[] = {
{ .compatible = "mediatek,mt8186-apmixedsys", },
{}
};
MODULE_DEVICE_TABLE(of, of_match_clk_mt8186_apmixed);
static int clk_mt8186_apmixed_probe(struct platform_device *pdev)
{
struct clk_hw_onecell_data *clk_data;
struct device_node *node = pdev->dev.of_node;
const u8 *fhctl_node = "mediatek,mt8186-fhctl";
int r;
clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
if (!clk_data)
return -ENOMEM;
fhctl_parse_dt(fhctl_node, pllfhs, ARRAY_SIZE(pllfhs));
r = mtk_clk_register_pllfhs(node, plls, ARRAY_SIZE(plls),
pllfhs, ARRAY_SIZE(pllfhs), clk_data);
if (r)
goto free_apmixed_data;
r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
if (r)
goto unregister_plls;
platform_set_drvdata(pdev, clk_data);
return r;
unregister_plls:
mtk_clk_unregister_pllfhs(plls, ARRAY_SIZE(plls), pllfhs,
ARRAY_SIZE(pllfhs), clk_data);
free_apmixed_data:
mtk_free_clk_data(clk_data);
return r;
}
static void clk_mt8186_apmixed_remove(struct platform_device *pdev)
{
struct device_node *node = pdev->dev.of_node;
struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev);
of_clk_del_provider(node);
mtk_clk_unregister_pllfhs(plls, ARRAY_SIZE(plls), pllfhs,
ARRAY_SIZE(pllfhs), clk_data);
mtk_free_clk_data(clk_data);
}
static struct platform_driver clk_mt8186_apmixed_drv = {
.probe = clk_mt8186_apmixed_probe,
.remove_new = clk_mt8186_apmixed_remove,
.driver = {
.name = "clk-mt8186-apmixed",
.of_match_table = of_match_clk_mt8186_apmixed,
},
};
module_platform_driver(clk_mt8186_apmixed_drv);
MODULE_LICENSE("GPL");
