diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8188-apmixedsys.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8188-apmixedsys.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8188-apmixedsys.c b/drivers/clk/mediatek/clk-mt8188-apmixedsys.c new file mode 100644 index 0000000000..41ab4d6896 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8188-apmixedsys.c @@ -0,0 +1,155 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022 MediaTek Inc. + * Author: Garmin Chang <garmin.chang@mediatek.com> + */ + +#include <dt-bindings/clock/mediatek,mt8188-clk.h> +#include <linux/mod_devicetable.h> +#include <linux/platform_device.h> + +#include "clk-gate.h" +#include "clk-mtk.h" +#include "clk-pll.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_EN, "pll_ssusb26m_en", "clk26m", 1), +}; + +#define MT8188_PLL_FMAX (3800UL * MHZ) +#define MT8188_PLL_FMIN (1500UL * MHZ) +#define MT8188_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 = MT8188_PLL_FMAX, \ + .fmin = MT8188_PLL_FMIN, \ + .pcwbits = _pcwbits, \ + .pcwibits = MT8188_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_ETHPLL, "ethpll", 0x044C, 0x0458, 0, + 0, 0, 22, 0x0450, 24, 0, 0, 0, 0x0450, 0, 0, 0, 9), + PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x0514, 0x0520, 0, + 0, 0, 22, 0x0518, 24, 0, 0, 0, 0x0518, 0, 0, 0, 9), + PLL(CLK_APMIXED_TVDPLL1, "tvdpll1", 0x0524, 0x0530, 0, + 0, 0, 22, 0x0528, 24, 0, 0, 0, 0x0528, 0, 0, 0, 9), + PLL(CLK_APMIXED_TVDPLL2, "tvdpll2", 0x0534, 0x0540, 0, + 0, 0, 22, 0x0538, 24, 0, 0, 0, 0x0538, 0, 0, 0, 9), + PLL(CLK_APMIXED_MMPLL, "mmpll", 0x0544, 0x0550, 0xff000000, + HAVE_RST_BAR, BIT(23), 22, 0x0548, 24, 0, 0, 0, 0x0548, 0, 0, 0, 9), + PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x045C, 0x0468, 0xff000000, + HAVE_RST_BAR, BIT(23), 22, 0x0460, 24, 0, 0, 0, 0x0460, 0, 0, 0, 9), + PLL(CLK_APMIXED_IMGPLL, "imgpll", 0x0554, 0x0560, 0, + 0, 0, 22, 0x0558, 24, 0, 0, 0, 0x0558, 0, 0, 0, 9), + PLL(CLK_APMIXED_UNIVPLL, "univpll", 0x0504, 0x0510, 0xff000000, + HAVE_RST_BAR, BIT(23), 22, 0x0508, 24, 0, 0, 0, 0x0508, 0, 0, 0, 9), + PLL(CLK_APMIXED_ADSPPLL, "adsppll", 0x042C, 0x0438, 0, + 0, 0, 22, 0x0430, 24, 0, 0, 0, 0x0430, 0, 0, 0, 9), + PLL(CLK_APMIXED_APLL1, "apll1", 0x0304, 0x0314, 0, + 0, 0, 32, 0x0308, 24, 0x0034, 0x0000, 12, 0x030C, 0, 0, 0, 9), + PLL(CLK_APMIXED_APLL2, "apll2", 0x0318, 0x0328, 0, + 0, 0, 32, 0x031C, 24, 0x0038, 0x0000, 13, 0x0320, 0, 0, 0, 9), + PLL(CLK_APMIXED_APLL3, "apll3", 0x032C, 0x033C, 0, + 0, 0, 32, 0x0330, 24, 0x003C, 0x0000, 14, 0x0334, 0, 0, 0, 9), + PLL(CLK_APMIXED_APLL4, "apll4", 0x0404, 0x0414, 0, + 0, 0, 32, 0x0408, 24, 0x0040, 0x0000, 15, 0x040C, 0, 0, 0, 9), + PLL(CLK_APMIXED_APLL5, "apll5", 0x0418, 0x0428, 0, + 0, 0, 32, 0x041C, 24, 0x0044, 0x0000, 16, 0x0420, 0, 0, 0, 9), + PLL(CLK_APMIXED_MFGPLL, "mfgpll", 0x0340, 0x034C, 0, + 0, 0, 22, 0x0344, 24, 0, 0, 0, 0x0344, 0, 0, 0, 9), +}; + +static const struct of_device_id of_match_clk_mt8188_apmixed[] = { + { .compatible = "mediatek,mt8188-apmixedsys" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_apmixed); + +static int clk_mt8188_apmixed_probe(struct platform_device *pdev) +{ + struct clk_hw_onecell_data *clk_data; + struct device_node *node = pdev->dev.of_node; + int r; + + clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK); + if (!clk_data) + return -ENOMEM; + + r = mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), 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 0; + +unregister_gates: + mtk_clk_unregister_gates(apmixed_clks, ARRAY_SIZE(apmixed_clks), clk_data); +unregister_plls: + mtk_clk_unregister_plls(plls, ARRAY_SIZE(plls), clk_data); +free_apmixed_data: + mtk_free_clk_data(clk_data); + return r; +} + +static void clk_mt8188_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_plls(plls, ARRAY_SIZE(plls), clk_data); + mtk_free_clk_data(clk_data); +} + +static struct platform_driver clk_mt8188_apmixed_drv = { + .probe = clk_mt8188_apmixed_probe, + .remove_new = clk_mt8188_apmixed_remove, + .driver = { + .name = "clk-mt8188-apmixed", + .of_match_table = of_match_clk_mt8188_apmixed, + }, +}; +module_platform_driver(clk_mt8188_apmixed_drv); +MODULE_LICENSE("GPL"); |