// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2017, The Linux Foundation. All rights reserved. */ #include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/delay.h> #include <linux/err.h> #include <linux/io.h> #include <linux/iopoll.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/phy/phy.h> #include <linux/platform_device.h> #include <linux/regulator/consumer.h> #include <linux/reset.h> #include <linux/slab.h> #include "phy-qcom-qmp-common.h" #include "phy-qcom-qmp.h" #include "phy-qcom-qmp-pcs-misc-v3.h" #include "phy-qcom-qmp-pcs-misc-v4.h" #include "phy-qcom-qmp-pcs-usb-v4.h" #include "phy-qcom-qmp-pcs-usb-v5.h" #include "phy-qcom-qmp-pcs-usb-v6.h" #include "phy-qcom-qmp-pcs-usb-v7.h" #define PHY_INIT_COMPLETE_TIMEOUT … /* set of registers with offsets different per-PHY */ enum qphy_reg_layout { … }; static const unsigned int qmp_v2_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = …; static const unsigned int qmp_v3_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = …; static const unsigned int qmp_v4_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = …; static const unsigned int qmp_v5_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = …; static const unsigned int qmp_v6_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = …; static const unsigned int qmp_v7_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = …; static const struct qmp_phy_init_tbl ipq9574_usb3_serdes_tbl[] = …; static const struct qmp_phy_init_tbl ipq9574_usb3_tx_tbl[] = …; static const struct qmp_phy_init_tbl ipq9574_usb3_rx_tbl[] = …; static const struct qmp_phy_init_tbl ipq9574_usb3_pcs_tbl[] = …; static const struct qmp_phy_init_tbl ipq8074_usb3_serdes_tbl[] = …; static const struct qmp_phy_init_tbl ipq8074_usb3_rx_tbl[] = …; static const struct qmp_phy_init_tbl ipq8074_usb3_pcs_tbl[] = …; static const struct qmp_phy_init_tbl msm8996_usb3_serdes_tbl[] = …; static const struct qmp_phy_init_tbl msm8996_usb3_tx_tbl[] = …; static const struct qmp_phy_init_tbl msm8996_usb3_rx_tbl[] = …; static const struct qmp_phy_init_tbl msm8996_usb3_pcs_tbl[] = …; static const struct qmp_phy_init_tbl qdu1000_usb3_uniphy_pcs_tbl[] = …; static const struct qmp_phy_init_tbl qdu1000_usb3_uniphy_pcs_usb_tbl[] = …; static const struct qmp_phy_init_tbl qmp_v3_usb3_uniphy_serdes_tbl[] = …; static const struct qmp_phy_init_tbl qmp_v3_usb3_uniphy_tx_tbl[] = …; static const struct qmp_phy_init_tbl qmp_v3_usb3_uniphy_rx_tbl[] = …; static const struct qmp_phy_init_tbl qmp_v3_usb3_uniphy_pcs_tbl[] = …; static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_serdes_tbl[] = …; static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_tx_tbl[] = …; static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_rx_tbl[] = …; static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_pcs_tbl[] = …; static const struct qmp_phy_init_tbl sm8150_usb3_uniphy_pcs_usb_tbl[] = …; static const struct qmp_phy_init_tbl sm8250_usb3_uniphy_tx_tbl[] = …; static const struct qmp_phy_init_tbl sm8250_usb3_uniphy_rx_tbl[] = …; static const struct qmp_phy_init_tbl sm8250_usb3_uniphy_pcs_tbl[] = …; static const struct qmp_phy_init_tbl sm8250_usb3_uniphy_pcs_usb_tbl[] = …; static const struct qmp_phy_init_tbl sdx55_usb3_uniphy_tx_tbl[] = …; static const struct qmp_phy_init_tbl sdx55_usb3_uniphy_rx_tbl[] = …; static const struct qmp_phy_init_tbl sdx65_usb3_uniphy_tx_tbl[] = …; static const struct qmp_phy_init_tbl sdx65_usb3_uniphy_rx_tbl[] = …; static const struct qmp_phy_init_tbl sdx75_usb3_uniphy_serdes_tbl[] = …; static const struct qmp_phy_init_tbl sdx75_usb3_uniphy_tx_tbl[] = …; static const struct qmp_phy_init_tbl sdx75_usb3_uniphy_rx_tbl[] = …; static const struct qmp_phy_init_tbl sdx75_usb3_uniphy_pcs_tbl[] = …; static const struct qmp_phy_init_tbl sdx75_usb3_uniphy_pcs_usb_tbl[] = …; static const struct qmp_phy_init_tbl sm8350_usb3_uniphy_tx_tbl[] = …; static const struct qmp_phy_init_tbl sm8350_usb3_uniphy_rx_tbl[] = …; static const struct qmp_phy_init_tbl sm8350_usb3_uniphy_pcs_tbl[] = …; static const struct qmp_phy_init_tbl sm8350_usb3_uniphy_pcs_usb_tbl[] = …; static const struct qmp_phy_init_tbl sc8280xp_usb3_uniphy_serdes_tbl[] = …; static const struct qmp_phy_init_tbl sc8280xp_usb3_uniphy_tx_tbl[] = …; static const struct qmp_phy_init_tbl sc8280xp_usb3_uniphy_rx_tbl[] = …; static const struct qmp_phy_init_tbl sc8280xp_usb3_uniphy_pcs_tbl[] = …; static const struct qmp_phy_init_tbl sc8280xp_usb3_uniphy_pcs_usb_tbl[] = …; static const struct qmp_phy_init_tbl sa8775p_usb3_uniphy_pcs_tbl[] = …; static const struct qmp_phy_init_tbl sa8775p_usb3_uniphy_pcs_usb_tbl[] = …; static const struct qmp_phy_init_tbl x1e80100_usb3_uniphy_serdes_tbl[] = …; static const struct qmp_phy_init_tbl x1e80100_usb3_uniphy_tx_tbl[] = …; static const struct qmp_phy_init_tbl x1e80100_usb3_uniphy_rx_tbl[] = …; static const struct qmp_phy_init_tbl x1e80100_usb3_uniphy_pcs_tbl[] = …; static const struct qmp_phy_init_tbl x1e80100_usb3_uniphy_pcs_usb_tbl[] = …; struct qmp_usb_offsets { … }; /* struct qmp_phy_cfg - per-PHY initialization config */ struct qmp_phy_cfg { … }; struct qmp_usb { … }; static inline void qphy_setbits(void __iomem *base, u32 offset, u32 val) { … } static inline void qphy_clrbits(void __iomem *base, u32 offset, u32 val) { … } /* list of clocks required by phy */ static const char * const qmp_usb_phy_clk_l[] = …; /* list of resets */ static const char * const usb3phy_legacy_reset_l[] = …; static const char * const usb3phy_reset_l[] = …; /* list of regulators */ static const char * const qmp_phy_vreg_l[] = …; static const struct qmp_usb_offsets qmp_usb_offsets_v3 = …; static const struct qmp_usb_offsets qmp_usb_offsets_ipq9574 = …; static const struct qmp_usb_offsets qmp_usb_offsets_v3_msm8996 = …; static const struct qmp_usb_offsets qmp_usb_offsets_v4 = …; static const struct qmp_usb_offsets qmp_usb_offsets_v5 = …; static const struct qmp_usb_offsets qmp_usb_offsets_v6 = …; static const struct qmp_usb_offsets qmp_usb_offsets_v7 = …; static const struct qmp_phy_cfg ipq6018_usb3phy_cfg = …; static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = …; static const struct qmp_phy_cfg ipq9574_usb3phy_cfg = …; static const struct qmp_phy_cfg msm8996_usb3phy_cfg = …; static const struct qmp_phy_cfg qdu1000_usb3_uniphy_cfg = …; static const struct qmp_phy_cfg sa8775p_usb3_uniphy_cfg = …; static const struct qmp_phy_cfg sc8280xp_usb3_uniphy_cfg = …; static const struct qmp_phy_cfg qmp_v3_usb3_uniphy_cfg = …; static const struct qmp_phy_cfg sm8150_usb3_uniphy_cfg = …; static const struct qmp_phy_cfg sm8250_usb3_uniphy_cfg = …; static const struct qmp_phy_cfg sdx55_usb3_uniphy_cfg = …; static const struct qmp_phy_cfg sdx65_usb3_uniphy_cfg = …; static const struct qmp_phy_cfg sdx75_usb3_uniphy_cfg = …; static const struct qmp_phy_cfg sm8350_usb3_uniphy_cfg = …; static const struct qmp_phy_cfg x1e80100_usb3_uniphy_cfg = …; static int qmp_usb_serdes_init(struct qmp_usb *qmp) { … } static int qmp_usb_init(struct phy *phy) { … } static int qmp_usb_exit(struct phy *phy) { … } static int qmp_usb_power_on(struct phy *phy) { … } static int qmp_usb_power_off(struct phy *phy) { … } static int qmp_usb_enable(struct phy *phy) { … } static int qmp_usb_disable(struct phy *phy) { … } static int qmp_usb_set_mode(struct phy *phy, enum phy_mode mode, int submode) { … } static const struct phy_ops qmp_usb_phy_ops = …; static void qmp_usb_enable_autonomous_mode(struct qmp_usb *qmp) { … } static void qmp_usb_disable_autonomous_mode(struct qmp_usb *qmp) { … } static int __maybe_unused qmp_usb_runtime_suspend(struct device *dev) { … } static int __maybe_unused qmp_usb_runtime_resume(struct device *dev) { … } static const struct dev_pm_ops qmp_usb_pm_ops = …; static int qmp_usb_vreg_init(struct qmp_usb *qmp) { … } static int qmp_usb_reset_init(struct qmp_usb *qmp, const char *const *reset_list, int num_resets) { … } static int qmp_usb_clk_init(struct qmp_usb *qmp) { … } static void phy_clk_release_provider(void *res) { … } /* * Register a fixed rate pipe clock. * * The <s>_pipe_clksrc generated by PHY goes to the GCC that gate * controls it. The <s>_pipe_clk coming out of the GCC is requested * by the PHY driver for its operations. * We register the <s>_pipe_clksrc here. The gcc driver takes care * of assigning this <s>_pipe_clksrc as parent to <s>_pipe_clk. * Below picture shows this relationship. * * +---------------+ * | PHY block |<<---------------------------------------+ * | | | * | +-------+ | +-----+ | * I/P---^-->| PLL |---^--->pipe_clksrc--->| GCC |--->pipe_clk---+ * clk | +-------+ | +-----+ * +---------------+ */ static int phy_pipe_clk_register(struct qmp_usb *qmp, struct device_node *np) { … } static void __iomem *qmp_usb_iomap(struct device *dev, struct device_node *np, int index, bool exclusive) { … } static int qmp_usb_parse_dt_legacy(struct qmp_usb *qmp, struct device_node *np) { … } static int qmp_usb_parse_dt(struct qmp_usb *qmp) { … } static int qmp_usb_probe(struct platform_device *pdev) { … } static const struct of_device_id qmp_usb_of_match_table[] = …; MODULE_DEVICE_TABLE(of, qmp_usb_of_match_table); static struct platform_driver qmp_usb_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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