1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (c) 2023 MediaTek Inc. 4 * Author: Sam Shih <sam.shih@mediatek.com> 5 * Author: Xiufeng Li <Xiufeng.Li@mediatek.com> 6 */ 7 8 #include <linux/clk-provider.h> 9 #include <linux/of.h> 10 #include <linux/of_address.h> 11 #include <linux/of_device.h> 12 #include <linux/platform_device.h> 13 #include "clk-mtk.h" 14 #include "clk-gate.h" 15 #include "clk-mux.h" 16 #include "clk-pll.h" 17 #include <dt-bindings/clock/mediatek,mt7988-clk.h> 18 19 #define MT7988_PLL_FMAX (2500UL * MHZ) 20 #define MT7988_PCW_CHG_BIT 2 21 22 #define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _rst_bar_mask, _pcwbits, _pd_reg, \ 23 _pd_shift, _tuner_reg, _tuner_en_reg, _tuner_en_bit, _pcw_reg, _pcw_shift, \ 24 _pcw_chg_reg) \ 25 { \ 26 .id = _id, \ 27 .name = _name, \ 28 .reg = _reg, \ 29 .pwr_reg = _pwr_reg, \ 30 .en_mask = _en_mask, \ 31 .flags = _flags, \ 32 .rst_bar_mask = BIT(_rst_bar_mask), \ 33 .fmax = MT7988_PLL_FMAX, \ 34 .pcwbits = _pcwbits, \ 35 .pd_reg = _pd_reg, \ 36 .pd_shift = _pd_shift, \ 37 .tuner_reg = _tuner_reg, \ 38 .tuner_en_reg = _tuner_en_reg, \ 39 .tuner_en_bit = _tuner_en_bit, \ 40 .pcw_reg = _pcw_reg, \ 41 .pcw_shift = _pcw_shift, \ 42 .pcw_chg_reg = _pcw_chg_reg, \ 43 .pcw_chg_bit = MT7988_PCW_CHG_BIT, \ 44 .parent_name = "clkxtal", \ 45 } 46 47 static const struct mtk_pll_data plls[] = { 48 PLL(CLK_APMIXED_NETSYSPLL, "netsyspll", 0x0104, 0x0110, 0x00000001, 0, 0, 32, 0x0104, 4, 0, 49 0, 0, 0x0108, 0, 0x0104), 50 PLL(CLK_APMIXED_MPLL, "mpll", 0x0114, 0x0120, 0xff000001, HAVE_RST_BAR, 23, 32, 0x0114, 4, 51 0, 0, 0, 0x0118, 0, 0x0114), 52 PLL(CLK_APMIXED_MMPLL, "mmpll", 0x0124, 0x0130, 0xff000001, HAVE_RST_BAR, 23, 32, 0x0124, 4, 53 0, 0, 0, 0x0128, 0, 0x0124), 54 PLL(CLK_APMIXED_APLL2, "apll2", 0x0134, 0x0140, 0x00000001, 0, 0, 32, 0x0134, 4, 0x0704, 55 0x0700, 1, 0x0138, 0, 0x0134), 56 PLL(CLK_APMIXED_NET1PLL, "net1pll", 0x0144, 0x0150, 0xff000001, HAVE_RST_BAR, 23, 32, 57 0x0144, 4, 0, 0, 0, 0x0148, 0, 0x0144), 58 PLL(CLK_APMIXED_NET2PLL, "net2pll", 0x0154, 0x0160, 0xff000001, (HAVE_RST_BAR | PLL_AO), 23, 59 32, 0x0154, 4, 0, 0, 0, 0x0158, 0, 0x0154), 60 PLL(CLK_APMIXED_WEDMCUPLL, "wedmcupll", 0x0164, 0x0170, 0x00000001, 0, 0, 32, 0x0164, 4, 0, 61 0, 0, 0x0168, 0, 0x0164), 62 PLL(CLK_APMIXED_SGMPLL, "sgmpll", 0x0174, 0x0180, 0x00000001, 0, 0, 32, 0x0174, 4, 0, 0, 0, 63 0x0178, 0, 0x0174), 64 PLL(CLK_APMIXED_ARM_B, "arm_b", 0x0204, 0x0210, 0xff000001, (HAVE_RST_BAR | PLL_AO), 23, 32, 65 0x0204, 4, 0, 0, 0, 0x0208, 0, 0x0204), 66 PLL(CLK_APMIXED_CCIPLL2_B, "ccipll2_b", 0x0214, 0x0220, 0xff000001, HAVE_RST_BAR, 23, 32, 67 0x0214, 4, 0, 0, 0, 0x0218, 0, 0x0214), 68 PLL(CLK_APMIXED_USXGMIIPLL, "usxgmiipll", 0x0304, 0x0310, 0xff000001, HAVE_RST_BAR, 23, 32, 69 0x0304, 4, 0, 0, 0, 0x0308, 0, 0x0304), 70 PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x0314, 0x0320, 0x00000001, 0, 0, 32, 0x0314, 4, 0, 0, 71 0, 0x0318, 0, 0x0314), 72 }; 73 74 static const struct of_device_id of_match_clk_mt7988_apmixed[] = { 75 { .compatible = "mediatek,mt7988-apmixedsys" }, 76 { /* sentinel */ } 77 }; 78 79 static int clk_mt7988_apmixed_probe(struct platform_device *pdev) 80 { 81 struct clk_hw_onecell_data *clk_data; 82 struct device_node *node = pdev->dev.of_node; 83 int r; 84 85 clk_data = mtk_alloc_clk_data(ARRAY_SIZE(plls)); 86 if (!clk_data) 87 return -ENOMEM; 88 89 r = mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data); 90 if (r) 91 goto free_apmixed_data; 92 93 r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); 94 if (r) 95 goto unregister_plls; 96 97 return r; 98 99 unregister_plls: 100 mtk_clk_unregister_plls(plls, ARRAY_SIZE(plls), clk_data); 101 free_apmixed_data: 102 mtk_free_clk_data(clk_data); 103 return r; 104 } 105 106 static struct platform_driver clk_mt7988_apmixed_drv = { 107 .probe = clk_mt7988_apmixed_probe, 108 .driver = { 109 .name = "clk-mt7988-apmixed", 110 .of_match_table = of_match_clk_mt7988_apmixed, 111 }, 112 }; 113 builtin_platform_driver(clk_mt7988_apmixed_drv); 114 115 MODULE_DESCRIPTION("MediaTek MT7988 apmixedsys clocks driver"); 116 MODULE_LICENSE("GPL"); 117