diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8195-apmixedsys.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8195-apmixedsys.c | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8195-apmixedsys.c b/drivers/clk/mediatek/clk-mt8195-apmixedsys.c new file mode 100644 index 0000000000..44a4c85a67 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8195-apmixedsys.c @@ -0,0 +1,233 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2021 MediaTek Inc. +// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com> + +#include "clk-fhctl.h" +#include "clk-gate.h" +#include "clk-mtk.h" +#include "clk-pll.h" +#include "clk-pllfh.h" + +#include <dt-bindings/clock/mt8195-clk.h> +#include <linux/mod_devicetable.h> +#include <linux/platform_device.h> + +static const struct mtk_gate_regs apmixed_cg_regs = { + .set_ofs = 0x8, + .clr_ofs = 0x8, + .sta_ofs = 0x8, +}; + +#define GATE_APMIXED(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &apmixed_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv) + +static const struct mtk_gate apmixed_clks[] = { + GATE_APMIXED(CLK_APMIXED_PLL_SSUSB26M, "pll_ssusb26m", "clk26m", 1), +}; + +#define MT8195_PLL_FMAX (3800UL * MHZ) +#define MT8195_PLL_FMIN (1500UL * MHZ) +#define MT8195_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, _pcw_shift, _pcw_chg_reg, \ + _en_reg, _pll_en_bit) { \ + .id = _id, \ + .name = _name, \ + .reg = _reg, \ + .pwr_reg = _pwr_reg, \ + .en_mask = _en_mask, \ + .flags = _flags, \ + .rst_bar_mask = _rst_bar_mask, \ + .fmax = MT8195_PLL_FMAX, \ + .fmin = MT8195_PLL_FMIN, \ + .pcwbits = _pcwbits, \ + .pcwibits = MT8195_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 = _pcw_shift, \ + .pcw_chg_reg = _pcw_chg_reg, \ + .en_reg = _en_reg, \ + .pll_en_bit = _pll_en_bit, \ + } + +static const struct mtk_pll_data plls[] = { + PLL(CLK_APMIXED_NNAPLL, "nnapll", 0x0390, 0x03a0, 0, + 0, 0, 22, 0x0398, 24, 0, 0, 0, 0x0398, 0, 0x0398, 0, 9), + PLL(CLK_APMIXED_RESPLL, "respll", 0x0190, 0x0320, 0, + 0, 0, 22, 0x0198, 24, 0, 0, 0, 0x0198, 0, 0x0198, 0, 9), + PLL(CLK_APMIXED_ETHPLL, "ethpll", 0x0360, 0x0370, 0, + 0, 0, 22, 0x0368, 24, 0, 0, 0, 0x0368, 0, 0x0368, 0, 9), + PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x0710, 0x0720, 0, + 0, 0, 22, 0x0718, 24, 0, 0, 0, 0x0718, 0, 0x0718, 0, 9), + PLL(CLK_APMIXED_TVDPLL1, "tvdpll1", 0x00a0, 0x00b0, 0, + 0, 0, 22, 0x00a8, 24, 0, 0, 0, 0x00a8, 0, 0x00a8, 0, 9), + PLL(CLK_APMIXED_TVDPLL2, "tvdpll2", 0x00c0, 0x00d0, 0, + 0, 0, 22, 0x00c8, 24, 0, 0, 0, 0x00c8, 0, 0x00c8, 0, 9), + PLL(CLK_APMIXED_MMPLL, "mmpll", 0x00e0, 0x00f0, 0xff000000, + HAVE_RST_BAR, BIT(23), 22, 0x00e8, 24, 0, 0, 0, 0x00e8, 0, 0x00e8, 0, 9), + PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x01d0, 0x01e0, 0xff000000, + HAVE_RST_BAR, BIT(23), 22, 0x01d8, 24, 0, 0, 0, 0x01d8, 0, 0x01d8, 0, 9), + PLL(CLK_APMIXED_VDECPLL, "vdecpll", 0x0890, 0x08a0, 0, + 0, 0, 22, 0x0898, 24, 0, 0, 0, 0x0898, 0, 0x0898, 0, 9), + PLL(CLK_APMIXED_IMGPLL, "imgpll", 0x0100, 0x0110, 0, + 0, 0, 22, 0x0108, 24, 0, 0, 0, 0x0108, 0, 0x0108, 0, 9), + PLL(CLK_APMIXED_UNIVPLL, "univpll", 0x01f0, 0x0700, 0xff000000, + HAVE_RST_BAR, BIT(23), 22, 0x01f8, 24, 0, 0, 0, 0x01f8, 0, 0x01f8, 0, 9), + PLL(CLK_APMIXED_HDMIPLL1, "hdmipll1", 0x08c0, 0x08d0, 0, + 0, 0, 22, 0x08c8, 24, 0, 0, 0, 0x08c8, 0, 0x08c8, 0, 9), + PLL(CLK_APMIXED_HDMIPLL2, "hdmipll2", 0x0870, 0x0880, 0, + 0, 0, 22, 0x0878, 24, 0, 0, 0, 0x0878, 0, 0x0878, 0, 9), + PLL(CLK_APMIXED_HDMIRX_APLL, "hdmirx_apll", 0x08e0, 0x0dd4, 0, + 0, 0, 32, 0x08e8, 24, 0, 0, 0, 0x08ec, 0, 0x08e8, 0, 9), + PLL(CLK_APMIXED_USB1PLL, "usb1pll", 0x01a0, 0x01b0, 0, + 0, 0, 22, 0x01a8, 24, 0, 0, 0, 0x01a8, 0, 0x01a8, 0, 9), + PLL(CLK_APMIXED_ADSPPLL, "adsppll", 0x07e0, 0x07f0, 0, + 0, 0, 22, 0x07e8, 24, 0, 0, 0, 0x07e8, 0, 0x07e8, 0, 9), + PLL(CLK_APMIXED_APLL1, "apll1", 0x07c0, 0x0dc0, 0, + 0, 0, 32, 0x07c8, 24, 0x0470, 0x0000, 12, 0x07cc, 0, 0x07c8, 0, 9), + PLL(CLK_APMIXED_APLL2, "apll2", 0x0780, 0x0dc4, 0, + 0, 0, 32, 0x0788, 24, 0x0474, 0x0000, 13, 0x078c, 0, 0x0788, 0, 9), + PLL(CLK_APMIXED_APLL3, "apll3", 0x0760, 0x0dc8, 0, + 0, 0, 32, 0x0768, 24, 0x0478, 0x0000, 14, 0x076c, 0, 0x0768, 0, 9), + PLL(CLK_APMIXED_APLL4, "apll4", 0x0740, 0x0dcc, 0, + 0, 0, 32, 0x0748, 24, 0x047C, 0x0000, 15, 0x074c, 0, 0x0748, 0, 9), + PLL(CLK_APMIXED_APLL5, "apll5", 0x07a0, 0x0dd0, 0x100000, + 0, 0, 32, 0x07a8, 24, 0x0480, 0x0000, 16, 0x07ac, 0, 0x07a8, 0, 9), + PLL(CLK_APMIXED_MFGPLL, "mfgpll", 0x0340, 0x0350, 0, + 0, 0, 22, 0x0348, 24, 0, 0, 0, 0x0348, 0, 0x0348, 0, 9), + PLL(CLK_APMIXED_DGIPLL, "dgipll", 0x0150, 0x0160, 0, + 0, 0, 22, 0x0158, 24, 0, 0, 0, 0x0158, 0, 0x0158, 0, 9), +}; + +enum fh_pll_id { + FH_ARMPLL_LL, + FH_ARMPLL_BL, + FH_MEMPLL, + FH_ADSPPLL, + FH_NNAPLL, + FH_CCIPLL, + FH_MFGPLL, + FH_TVDPLL2, + FH_MPLL, + FH_MMPLL, + FH_MAINPLL, + FH_MSDCPLL, + FH_IMGPLL, + FH_VDECPLL, + FH_TVDPLL1, + 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_ADSPPLL, FH_ADSPPLL, 0x78), + FH(CLK_APMIXED_NNAPLL, FH_NNAPLL, 0x8c), + FH(CLK_APMIXED_MFGPLL, FH_MFGPLL, 0xb4), + FH(CLK_APMIXED_TVDPLL2, FH_TVDPLL2, 0xc8), + FH(CLK_APMIXED_MMPLL, FH_MMPLL, 0xf0), + FH(CLK_APMIXED_MAINPLL, FH_MAINPLL, 0x104), + FH(CLK_APMIXED_MSDCPLL, FH_MSDCPLL, 0x118), + FH(CLK_APMIXED_IMGPLL, FH_IMGPLL, 0x12c), + FH(CLK_APMIXED_VDECPLL, FH_VDECPLL, 0x140), + FH(CLK_APMIXED_TVDPLL2, FH_TVDPLL1, 0x154), +}; + +static const struct of_device_id of_match_clk_mt8195_apmixed[] = { + { .compatible = "mediatek,mt8195-apmixedsys", }, + {} +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt8195_apmixed); + +static int clk_mt8195_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,mt8195-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 = mtk_clk_register_gates(&pdev->dev, node, apmixed_clks, + ARRAY_SIZE(apmixed_clks), clk_data); + if (r) + goto unregister_plls; + + r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); + if (r) + goto unregister_gates; + + platform_set_drvdata(pdev, clk_data); + + return r; + +unregister_gates: + mtk_clk_unregister_gates(apmixed_clks, ARRAY_SIZE(apmixed_clks), clk_data); +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_mt8195_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_gates(apmixed_clks, ARRAY_SIZE(apmixed_clks), clk_data); + 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_mt8195_apmixed_drv = { + .probe = clk_mt8195_apmixed_probe, + .remove_new = clk_mt8195_apmixed_remove, + .driver = { + .name = "clk-mt8195-apmixed", + .of_match_table = of_match_clk_mt8195_apmixed, + }, +}; +module_platform_driver(clk_mt8195_apmixed_drv); +MODULE_LICENSE("GPL"); |