// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2025 MediaTek Inc. * Guangjie Song * Copyright (c) 2025 Collabora Ltd. * Laura Nao */ #include #include #include #include #include #include #include #include "clk-mtk.h" #include "clk-pll.h" /* APMIXEDSYS PLL control register offsets */ #define MAINPLL_CON0 0x250 #define MAINPLL_CON1 0x254 #define UNIVPLL_CON0 0x264 #define UNIVPLL_CON1 0x268 #define MSDCPLL_CON0 0x278 #define MSDCPLL_CON1 0x27c #define ADSPPLL_CON0 0x28c #define ADSPPLL_CON1 0x290 #define EMIPLL_CON0 0x2a0 #define EMIPLL_CON1 0x2a4 #define EMIPLL2_CON0 0x2b4 #define EMIPLL2_CON1 0x2b8 #define NET1PLL_CON0 0x2c8 #define NET1PLL_CON1 0x2cc #define SGMIIPLL_CON0 0x2dc #define SGMIIPLL_CON1 0x2e0 /* APMIXEDSYS_GP2 PLL control register offsets*/ #define MAINPLL2_CON0 0x250 #define MAINPLL2_CON1 0x254 #define UNIVPLL2_CON0 0x264 #define UNIVPLL2_CON1 0x268 #define MMPLL2_CON0 0x278 #define MMPLL2_CON1 0x27c #define IMGPLL_CON0 0x28c #define IMGPLL_CON1 0x290 #define TVDPLL1_CON0 0x2a0 #define TVDPLL1_CON1 0x2a4 #define TVDPLL2_CON0 0x2b4 #define TVDPLL2_CON1 0x2b8 #define TVDPLL3_CON0 0x2c8 #define TVDPLL3_CON1 0x2cc #define PLLEN_ALL 0x080 #define PLLEN_ALL_SET 0x084 #define PLLEN_ALL_CLR 0x088 #define FENC_STATUS_CON0 0x03c #define MT8196_PLL_FMAX (3800UL * MHZ) #define MT8196_PLL_FMIN (1500UL * MHZ) #define MT8196_INTEGER_BITS 8 #define PLL_FENC(_id, _name, _reg, _fenc_sta_ofs, _fenc_sta_bit,\ _flags, _pd_reg, _pd_shift, \ _pcw_reg, _pcw_shift, _pcwbits, \ _pll_en_bit) { \ .id = _id, \ .name = _name, \ .reg = _reg, \ .fenc_sta_ofs = _fenc_sta_ofs, \ .fenc_sta_bit = _fenc_sta_bit, \ .flags = _flags, \ .fmax = MT8196_PLL_FMAX, \ .fmin = MT8196_PLL_FMIN, \ .pd_reg = _pd_reg, \ .pd_shift = _pd_shift, \ .pcw_reg = _pcw_reg, \ .pcw_shift = _pcw_shift, \ .pcwbits = _pcwbits, \ .pcwibits = MT8196_INTEGER_BITS, \ .en_reg = PLLEN_ALL, \ .en_set_reg = PLLEN_ALL_SET, \ .en_clr_reg = PLLEN_ALL_CLR, \ .pll_en_bit = _pll_en_bit, \ .ops = &mtk_pll_fenc_clr_set_ops, \ } struct mtk_pll_desc { const struct mtk_pll_data *clks; size_t num_clks; }; static const struct mtk_pll_data apmixed_plls[] = { PLL_FENC(CLK_APMIXED_MAINPLL, "mainpll", MAINPLL_CON0, FENC_STATUS_CON0, 7, PLL_AO, MAINPLL_CON1, 24, MAINPLL_CON1, 0, 22, 0), PLL_FENC(CLK_APMIXED_UNIVPLL, "univpll", UNIVPLL_CON0, FENC_STATUS_CON0, 6, 0, UNIVPLL_CON1, 24, UNIVPLL_CON1, 0, 22, 1), PLL_FENC(CLK_APMIXED_MSDCPLL, "msdcpll", MSDCPLL_CON0, FENC_STATUS_CON0, 5, 0, MSDCPLL_CON1, 24, MSDCPLL_CON1, 0, 22, 2), PLL_FENC(CLK_APMIXED_ADSPPLL, "adsppll", ADSPPLL_CON0, FENC_STATUS_CON0, 4, 0, ADSPPLL_CON1, 24, ADSPPLL_CON1, 0, 22, 3), PLL_FENC(CLK_APMIXED_EMIPLL, "emipll", EMIPLL_CON0, FENC_STATUS_CON0, 3, PLL_AO, EMIPLL_CON1, 24, EMIPLL_CON1, 0, 22, 4), PLL_FENC(CLK_APMIXED_EMIPLL2, "emipll2", EMIPLL2_CON0, FENC_STATUS_CON0, 2, PLL_AO, EMIPLL2_CON1, 24, EMIPLL2_CON1, 0, 22, 5), PLL_FENC(CLK_APMIXED_NET1PLL, "net1pll", NET1PLL_CON0, FENC_STATUS_CON0, 1, 0, NET1PLL_CON1, 24, NET1PLL_CON1, 0, 22, 6), PLL_FENC(CLK_APMIXED_SGMIIPLL, "sgmiipll", SGMIIPLL_CON0, FENC_STATUS_CON0, 0, 0, SGMIIPLL_CON1, 24, SGMIIPLL_CON1, 0, 22, 7), }; static const struct mtk_pll_desc apmixed_desc = { .clks = apmixed_plls, .num_clks = ARRAY_SIZE(apmixed_plls), }; static const struct mtk_pll_data apmixed2_plls[] = { PLL_FENC(CLK_APMIXED2_MAINPLL2, "mainpll2", MAINPLL2_CON0, FENC_STATUS_CON0, 6, 0, MAINPLL2_CON1, 24, MAINPLL2_CON1, 0, 22, 0), PLL_FENC(CLK_APMIXED2_UNIVPLL2, "univpll2", UNIVPLL2_CON0, FENC_STATUS_CON0, 5, 0, UNIVPLL2_CON1, 24, UNIVPLL2_CON1, 0, 22, 1), PLL_FENC(CLK_APMIXED2_MMPLL2, "mmpll2", MMPLL2_CON0, FENC_STATUS_CON0, 4, 0, MMPLL2_CON1, 24, MMPLL2_CON1, 0, 22, 2), PLL_FENC(CLK_APMIXED2_IMGPLL, "imgpll", IMGPLL_CON0, FENC_STATUS_CON0, 3, 0, IMGPLL_CON1, 24, IMGPLL_CON1, 0, 22, 3), PLL_FENC(CLK_APMIXED2_TVDPLL1, "tvdpll1", TVDPLL1_CON0, FENC_STATUS_CON0, 2, 0, TVDPLL1_CON1, 24, TVDPLL1_CON1, 0, 22, 4), PLL_FENC(CLK_APMIXED2_TVDPLL2, "tvdpll2", TVDPLL2_CON0, FENC_STATUS_CON0, 1, 0, TVDPLL2_CON1, 24, TVDPLL2_CON1, 0, 22, 5), PLL_FENC(CLK_APMIXED2_TVDPLL3, "tvdpll3", TVDPLL3_CON0, FENC_STATUS_CON0, 0, 0, TVDPLL3_CON1, 24, TVDPLL3_CON1, 0, 22, 6), }; static const struct mtk_pll_desc apmixed2_desc = { .clks = apmixed2_plls, .num_clks = ARRAY_SIZE(apmixed2_plls), }; static int clk_mt8196_apmixed_probe(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; struct device_node *node = pdev->dev.of_node; const struct mtk_pll_desc *mcd; int r; mcd = device_get_match_data(&pdev->dev); if (!mcd) return -EINVAL; clk_data = mtk_alloc_clk_data(mcd->num_clks); if (!clk_data) return -ENOMEM; r = mtk_clk_register_plls(node, mcd->clks, mcd->num_clks, 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_plls(mcd->clks, mcd->num_clks, clk_data); free_apmixed_data: mtk_free_clk_data(clk_data); return r; } static void clk_mt8196_apmixed_remove(struct platform_device *pdev) { const struct mtk_pll_desc *mcd = device_get_match_data(&pdev->dev); struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev); struct device_node *node = pdev->dev.of_node; of_clk_del_provider(node); mtk_clk_unregister_plls(mcd->clks, mcd->num_clks, clk_data); mtk_free_clk_data(clk_data); } static const struct of_device_id of_match_clk_mt8196_apmixed[] = { { .compatible = "mediatek,mt8196-apmixedsys", .data = &apmixed_desc }, { .compatible = "mediatek,mt8196-apmixedsys-gp2", .data = &apmixed2_desc }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, of_match_clk_mt8196_apmixed); static struct platform_driver clk_mt8196_apmixed_drv = { .probe = clk_mt8196_apmixed_probe, .remove = clk_mt8196_apmixed_remove, .driver = { .name = "clk-mt8196-apmixed", .of_match_table = of_match_clk_mt8196_apmixed, }, }; module_platform_driver(clk_mt8196_apmixed_drv); MODULE_DESCRIPTION("MediaTek MT8196 apmixedsys clocks driver"); MODULE_LICENSE("GPL");