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Add a MODULE_DEVICE_TABLE() on all clocks that can be built as modules to allow auto-load at boot. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Chen-Yu Tsai <wenst@chromium.org> Tested-by: Miles Chen <miles.chen@mediatek.com> Tested-by: Chen-Yu Tsai <wenst@chromium.org> # MT8183, MT8192, MT8195 Chromebooks Link: https://lore.kernel.org/r/20230306140543.1813621-50-angelogioacchino.delregno@collabora.com Signed-off-by: Stephen Boyd <sboyd@kernel.org>
167 lines
5.3 KiB
C
167 lines
5.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2022 MediaTek Inc.
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* Copyright (c) 2023 Collabora Ltd.
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*/
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#include <dt-bindings/clock/mediatek,mt8365-clk.h>
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#include <linux/clk.h>
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#include <linux/of.h>
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#include <linux/platform_device.h>
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#include "clk-pll.h"
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#include "clk-mtk.h"
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#define MT8365_PLL_FMAX (3800UL * MHZ)
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#define MT8365_PLL_FMIN (1500UL * MHZ)
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#define CON0_MT8365_RST_BAR BIT(23)
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#define PLL_B(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \
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_pd_reg, _pd_shift, _tuner_reg, _tuner_en_reg, \
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_tuner_en_bit, _pcw_reg, _pcw_shift, _div_table, \
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_rst_bar_mask, _pcw_chg_reg) { \
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.id = _id, \
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.name = _name, \
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.reg = _reg, \
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.pwr_reg = _pwr_reg, \
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.en_mask = _en_mask, \
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.flags = _flags, \
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.rst_bar_mask = _rst_bar_mask, \
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.fmax = MT8365_PLL_FMAX, \
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.fmin = MT8365_PLL_FMIN, \
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.pcwbits = _pcwbits, \
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.pcwibits = 8, \
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.pd_reg = _pd_reg, \
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.pd_shift = _pd_shift, \
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.tuner_reg = _tuner_reg, \
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.tuner_en_reg = _tuner_en_reg, \
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.tuner_en_bit = _tuner_en_bit, \
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.pcw_reg = _pcw_reg, \
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.pcw_shift = _pcw_shift, \
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.pcw_chg_reg = _pcw_chg_reg, \
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.div_table = _div_table, \
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}
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#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \
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_pd_reg, _pd_shift, _tuner_reg, \
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_tuner_en_reg, _tuner_en_bit, _pcw_reg, \
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_pcw_shift, _rst_bar_mask, _pcw_chg_reg) \
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PLL_B(_id, _name, _reg, _pwr_reg, _en_mask, _flags, \
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_pcwbits, _pd_reg, _pd_shift, \
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_tuner_reg, _tuner_en_reg, _tuner_en_bit, \
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_pcw_reg, _pcw_shift, NULL, _rst_bar_mask, \
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_pcw_chg_reg) \
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static const struct mtk_pll_div_table armpll_div_table[] = {
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{ .div = 0, .freq = MT8365_PLL_FMAX },
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{ .div = 1, .freq = 1500 * MHZ },
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{ .div = 2, .freq = 750 * MHZ },
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{ .div = 3, .freq = 375 * MHZ },
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{ .div = 4, .freq = 182500000 },
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{ } /* sentinel */
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};
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static const struct mtk_pll_div_table mfgpll_div_table[] = {
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{ .div = 0, .freq = MT8365_PLL_FMAX },
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{ .div = 1, .freq = 1600 * MHZ },
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{ .div = 2, .freq = 800 * MHZ },
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{ .div = 3, .freq = 400 * MHZ },
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{ .div = 4, .freq = 200 * MHZ },
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{ } /* sentinel */
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};
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static const struct mtk_pll_div_table dsppll_div_table[] = {
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{ .div = 0, .freq = MT8365_PLL_FMAX },
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{ .div = 1, .freq = 1600 * MHZ },
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{ .div = 2, .freq = 600 * MHZ },
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{ .div = 3, .freq = 400 * MHZ },
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{ .div = 4, .freq = 200 * MHZ },
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{ } /* sentinel */
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};
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static const struct mtk_pll_data plls[] = {
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PLL_B(CLK_APMIXED_ARMPLL, "armpll", 0x030C, 0x0318, 0x00000001, PLL_AO,
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22, 0x0310, 24, 0, 0, 0, 0x0310, 0, armpll_div_table, 0, 0),
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PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x0228, 0x0234, 0xFF000001,
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HAVE_RST_BAR, 22, 0x022C, 24, 0, 0, 0, 0x022C, 0, CON0_MT8365_RST_BAR, 0),
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PLL(CLK_APMIXED_UNIVPLL, "univpll2", 0x0208, 0x0214, 0xFF000001,
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HAVE_RST_BAR, 22, 0x020C, 24, 0, 0, 0, 0x020C, 0, CON0_MT8365_RST_BAR, 0),
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PLL_B(CLK_APMIXED_MFGPLL, "mfgpll", 0x0218, 0x0224, 0x00000001, 0, 22,
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0x021C, 24, 0, 0, 0, 0x021C, 0, mfgpll_div_table, 0, 0),
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PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x0350, 0x035C, 0x00000001, 0, 22,
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0x0354, 24, 0, 0, 0, 0x0354, 0, 0, 0),
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PLL(CLK_APMIXED_MMPLL, "mmpll", 0x0330, 0x033C, 0x00000001, 0, 22,
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0x0334, 24, 0, 0, 0, 0x0334, 0, 0, 0),
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PLL(CLK_APMIXED_APLL1, "apll1", 0x031C, 0x032C, 0x00000001, 0, 32,
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0x0320, 24, 0x0040, 0x000C, 0, 0x0324, 0, 0, 0x0320),
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PLL(CLK_APMIXED_APLL2, "apll2", 0x0360, 0x0370, 0x00000001, 0, 32,
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0x0364, 24, 0x004C, 0x000C, 5, 0x0368, 0, 0, 0x0364),
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PLL(CLK_APMIXED_LVDSPLL, "lvdspll", 0x0374, 0x0380, 0x00000001, 0, 22,
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0x0378, 24, 0, 0, 0, 0x0378, 0, 0, 0),
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PLL_B(CLK_APMIXED_DSPPLL, "dsppll", 0x0390, 0x039C, 0x00000001, 0, 22,
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0x0394, 24, 0, 0, 0, 0x0394, 0, dsppll_div_table, 0, 0),
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PLL(CLK_APMIXED_APUPLL, "apupll", 0x03A0, 0x03AC, 0x00000001, 0, 22,
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0x03A4, 24, 0, 0, 0, 0x03A4, 0, 0, 0),
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};
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static int clk_mt8365_apmixed_probe(struct platform_device *pdev)
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{
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void __iomem *base;
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struct clk_hw_onecell_data *clk_data;
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struct device_node *node = pdev->dev.of_node;
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struct device *dev = &pdev->dev;
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struct clk_hw *hw;
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int ret;
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base = devm_platform_ioremap_resource(pdev, 0);
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if (IS_ERR(base))
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return PTR_ERR(base);
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clk_data = mtk_devm_alloc_clk_data(dev, CLK_APMIXED_NR_CLK);
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if (!clk_data)
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return -ENOMEM;
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hw = devm_clk_hw_register_gate(dev, "univ_en", "univpll2", 0,
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base + 0x204, 0, 0, NULL);
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if (IS_ERR(hw))
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return PTR_ERR(hw);
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clk_data->hws[CLK_APMIXED_UNIV_EN] = hw;
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hw = devm_clk_hw_register_gate(dev, "usb20_en", "univ_en", 0,
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base + 0x204, 1, 0, NULL);
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if (IS_ERR(hw))
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return PTR_ERR(hw);
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clk_data->hws[CLK_APMIXED_USB20_EN] = hw;
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ret = mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data);
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if (ret)
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return ret;
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ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
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if (ret)
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goto unregister_plls;
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return 0;
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unregister_plls:
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mtk_clk_unregister_plls(plls, ARRAY_SIZE(plls), clk_data);
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return ret;
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}
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static const struct of_device_id of_match_clk_mt8365_apmixed[] = {
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{ .compatible = "mediatek,mt8365-apmixedsys" },
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{ /* sentinel */ }
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};
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MODULE_DEVICE_TABLE(of, of_match_clk_mt8365_apmixed);
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static struct platform_driver clk_mt8365_apmixed_drv = {
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.probe = clk_mt8365_apmixed_probe,
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.driver = {
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.name = "clk-mt8365-apmixed",
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.of_match_table = of_match_clk_mt8365_apmixed,
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},
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};
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builtin_platform_driver(clk_mt8365_apmixed_drv)
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MODULE_LICENSE("GPL");
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