// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2019, Intel Corporation */ #include #include #include #include #include #include "stratix10-clk.h" static const struct clk_parent_data pll_mux[] = { { .fw_name = "osc1", .name = "osc1", }, { .fw_name = "cb-intosc-hs-div2-clk", .name = "cb-intosc-hs-div2-clk", }, { .fw_name = "f2s-free-clk", .name = "f2s-free-clk", }, }; static const struct clk_parent_data boot_mux[] = { { .fw_name = "osc1", .name = "osc1", }, { .fw_name = "cb-intosc-hs-div2-clk", .name = "cb-intosc-hs-div2-clk", }, }; static const struct clk_parent_data mpu_free_mux[] = { { .fw_name = "main_pll_c0", .name = "main_pll_c0", }, { .fw_name = "peri_pll_c0", .name = "peri_pll_c0", }, { .fw_name = "osc1", .name = "osc1", }, { .fw_name = "cb-intosc-hs-div2-clk", .name = "cb-intosc-hs-div2-clk", }, { .fw_name = "f2s-free-clk", .name = "f2s-free-clk", }, }; static const struct clk_parent_data noc_free_mux[] = { { .fw_name = "main_pll_c1", .name = "main_pll_c1", }, { .fw_name = "peri_pll_c1", .name = "peri_pll_c1", }, { .fw_name = "osc1", .name = "osc1", }, { .fw_name = "cb-intosc-hs-div2-clk", .name = "cb-intosc-hs-div2-clk", }, { .fw_name = "f2s-free-clk", .name = "f2s-free-clk", }, }; static const struct clk_parent_data emaca_free_mux[] = { { .fw_name = "main_pll_c2", .name = "main_pll_c2", }, { .fw_name = "peri_pll_c2", .name = "peri_pll_c2", }, { .fw_name = "osc1", .name = "osc1", }, { .fw_name = "cb-intosc-hs-div2-clk", .name = "cb-intosc-hs-div2-clk", }, { .fw_name = "f2s-free-clk", .name = "f2s-free-clk", }, }; static const struct clk_parent_data emacb_free_mux[] = { { .fw_name = "main_pll_c3", .name = "main_pll_c3", }, { .fw_name = "peri_pll_c3", .name = "peri_pll_c3", }, { .fw_name = "osc1", .name = "osc1", }, { .fw_name = "cb-intosc-hs-div2-clk", .name = "cb-intosc-hs-div2-clk", }, { .fw_name = "f2s-free-clk", .name = "f2s-free-clk", }, }; static const struct clk_parent_data emac_ptp_free_mux[] = { { .fw_name = "main_pll_c3", .name = "main_pll_c3", }, { .fw_name = "peri_pll_c3", .name = "peri_pll_c3", }, { .fw_name = "osc1", .name = "osc1", }, { .fw_name = "cb-intosc-hs-div2-clk", .name = "cb-intosc-hs-div2-clk", }, { .fw_name = "f2s-free-clk", .name = "f2s-free-clk", }, }; static const struct clk_parent_data gpio_db_free_mux[] = { { .fw_name = "main_pll_c3", .name = "main_pll_c3", }, { .fw_name = "peri_pll_c3", .name = "peri_pll_c3", }, { .fw_name = "osc1", .name = "osc1", }, { .fw_name = "cb-intosc-hs-div2-clk", .name = "cb-intosc-hs-div2-clk", }, { .fw_name = "f2s-free-clk", .name = "f2s-free-clk", }, }; static const struct clk_parent_data psi_ref_free_mux[] = { { .fw_name = "main_pll_c2", .name = "main_pll_c2", }, { .fw_name = "peri_pll_c2", .name = "peri_pll_c2", }, { .fw_name = "osc1", .name = "osc1", }, { .fw_name = "cb-intosc-hs-div2-clk", .name = "cb-intosc-hs-div2-clk", }, { .fw_name = "f2s-free-clk", .name = "f2s-free-clk", }, }; static const struct clk_parent_data sdmmc_free_mux[] = { { .fw_name = "main_pll_c3", .name = "main_pll_c3", }, { .fw_name = "peri_pll_c3", .name = "peri_pll_c3", }, { .fw_name = "osc1", .name = "osc1", }, { .fw_name = "cb-intosc-hs-div2-clk", .name = "cb-intosc-hs-div2-clk", }, { .fw_name = "f2s-free-clk", .name = "f2s-free-clk", }, }; static const struct clk_parent_data s2f_usr0_free_mux[] = { { .fw_name = "main_pll_c2", .name = "main_pll_c2", }, { .fw_name = "peri_pll_c2", .name = "peri_pll_c2", }, { .fw_name = "osc1", .name = "osc1", }, { .fw_name = "cb-intosc-hs-div2-clk", .name = "cb-intosc-hs-div2-clk", }, { .fw_name = "f2s-free-clk", .name = "f2s-free-clk", }, }; static const struct clk_parent_data s2f_usr1_free_mux[] = { { .fw_name = "main_pll_c2", .name = "main_pll_c2", }, { .fw_name = "peri_pll_c2", .name = "peri_pll_c2", }, { .fw_name = "osc1", .name = "osc1", }, { .fw_name = "cb-intosc-hs-div2-clk", .name = "cb-intosc-hs-div2-clk", }, { .fw_name = "f2s-free-clk", .name = "f2s-free-clk", }, }; static const struct clk_parent_data mpu_mux[] = { { .fw_name = "mpu_free_clk", .name = "mpu_free_clk", }, { .fw_name = "boot_clk", .name = "boot_clk", }, }; static const struct clk_parent_data emac_mux[] = { { .fw_name = "emaca_free_clk", .name = "emaca_free_clk", }, { .fw_name = "emacb_free_clk", .name = "emacb_free_clk", }, { .fw_name = "boot_clk", .name = "boot_clk", }, }; static const struct clk_parent_data noc_mux[] = { { .fw_name = "noc_free_clk", .name = "noc_free_clk", }, { .fw_name = "boot_clk", .name = "boot_clk", }, }; static const struct clk_parent_data sdmmc_mux[] = { { .fw_name = "sdmmc_free_clk", .name = "sdmmc_free_clk", }, { .fw_name = "boot_clk", .name = "boot_clk", }, }; static const struct clk_parent_data s2f_user0_mux[] = { { .fw_name = "s2f_user0_free_clk", .name = "s2f_user0_free_clk", }, { .fw_name = "boot_clk", .name = "boot_clk", }, }; static const struct clk_parent_data s2f_user1_mux[] = { { .fw_name = "s2f_user1_free_clk", .name = "s2f_user1_free_clk", }, { .fw_name = "boot_clk", .name = "boot_clk", }, }; static const struct clk_parent_data psi_mux[] = { { .fw_name = "psi_ref_free_clk", .name = "psi_ref_free_clk", }, { .fw_name = "boot_clk", .name = "boot_clk", }, }; static const struct clk_parent_data gpio_db_mux[] = { { .fw_name = "gpio_db_free_clk", .name = "gpio_db_free_clk", }, { .fw_name = "boot_clk", .name = "boot_clk", }, }; static const struct clk_parent_data emac_ptp_mux[] = { { .fw_name = "emac_ptp_free_clk", .name = "emac_ptp_free_clk", }, { .fw_name = "boot_clk", .name = "boot_clk", }, }; /* clocks in AO (always on) controller */ static const struct stratix10_pll_clock agilex_pll_clks[] = { { AGILEX_BOOT_CLK, "boot_clk", boot_mux, ARRAY_SIZE(boot_mux), 0, 0x0}, { AGILEX_MAIN_PLL_CLK, "main_pll", pll_mux, ARRAY_SIZE(pll_mux), 0, 0x48}, { AGILEX_PERIPH_PLL_CLK, "periph_pll", pll_mux, ARRAY_SIZE(pll_mux), 0, 0x9c}, }; static const struct n5x_perip_c_clock n5x_main_perip_c_clks[] = { { AGILEX_MAIN_PLL_C0_CLK, "main_pll_c0", "main_pll", NULL, 1, 0, 0x54, 0}, { AGILEX_MAIN_PLL_C1_CLK, "main_pll_c1", "main_pll", NULL, 1, 0, 0x54, 8}, { AGILEX_MAIN_PLL_C2_CLK, "main_pll_c2", "main_pll", NULL, 1, 0, 0x54, 16}, { AGILEX_MAIN_PLL_C3_CLK, "main_pll_c3", "main_pll", NULL, 1, 0, 0x54, 24}, { AGILEX_PERIPH_PLL_C0_CLK, "peri_pll_c0", "periph_pll", NULL, 1, 0, 0xA8, 0}, { AGILEX_PERIPH_PLL_C1_CLK, "peri_pll_c1", "periph_pll", NULL, 1, 0, 0xA8, 8}, { AGILEX_PERIPH_PLL_C2_CLK, "peri_pll_c2", "periph_pll", NULL, 1, 0, 0xA8, 16}, { AGILEX_PERIPH_PLL_C3_CLK, "peri_pll_c3", "periph_pll", NULL, 1, 0, 0xA8, 24}, }; static const struct stratix10_perip_c_clock agilex_main_perip_c_clks[] = { { AGILEX_MAIN_PLL_C0_CLK, "main_pll_c0", "main_pll", NULL, 1, 0, 0x58}, { AGILEX_MAIN_PLL_C1_CLK, "main_pll_c1", "main_pll", NULL, 1, 0, 0x5C}, { AGILEX_MAIN_PLL_C2_CLK, "main_pll_c2", "main_pll", NULL, 1, 0, 0x64}, { AGILEX_MAIN_PLL_C3_CLK, "main_pll_c3", "main_pll", NULL, 1, 0, 0x68}, { AGILEX_PERIPH_PLL_C0_CLK, "peri_pll_c0", "periph_pll", NULL, 1, 0, 0xAC}, { AGILEX_PERIPH_PLL_C1_CLK, "peri_pll_c1", "periph_pll", NULL, 1, 0, 0xB0}, { AGILEX_PERIPH_PLL_C2_CLK, "peri_pll_c2", "periph_pll", NULL, 1, 0, 0xB8}, { AGILEX_PERIPH_PLL_C3_CLK, "peri_pll_c3", "periph_pll", NULL, 1, 0, 0xBC}, }; static const struct stratix10_perip_cnt_clock agilex_main_perip_cnt_clks[] = { { AGILEX_MPU_FREE_CLK, "mpu_free_clk", NULL, mpu_free_mux, ARRAY_SIZE(mpu_free_mux), 0, 0x3C, 0, 0, 0}, { AGILEX_NOC_FREE_CLK, "noc_free_clk", NULL, noc_free_mux, ARRAY_SIZE(noc_free_mux), 0, 0x40, 0, 0, 0}, { AGILEX_L4_SYS_FREE_CLK, "l4_sys_free_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0, 4, 0x30, 1}, { AGILEX_EMAC_A_FREE_CLK, "emaca_free_clk", NULL, emaca_free_mux, ARRAY_SIZE(emaca_free_mux), 0, 0xD4, 0, 0x88, 0}, { AGILEX_EMAC_B_FREE_CLK, "emacb_free_clk", NULL, emacb_free_mux, ARRAY_SIZE(emacb_free_mux), 0, 0xD8, 0, 0x88, 1}, { AGILEX_EMAC_PTP_FREE_CLK, "emac_ptp_free_clk", NULL, emac_ptp_free_mux, ARRAY_SIZE(emac_ptp_free_mux), 0, 0xDC, 0, 0x88, 2}, { AGILEX_GPIO_DB_FREE_CLK, "gpio_db_free_clk", NULL, gpio_db_free_mux, ARRAY_SIZE(gpio_db_free_mux), 0, 0xE0, 0, 0x88, 3}, { AGILEX_SDMMC_FREE_CLK, "sdmmc_free_clk", NULL, sdmmc_free_mux, ARRAY_SIZE(sdmmc_free_mux), 0, 0xE4, 0, 0, 0}, { AGILEX_S2F_USER0_FREE_CLK, "s2f_user0_free_clk", NULL, s2f_usr0_free_mux, ARRAY_SIZE(s2f_usr0_free_mux), 0, 0xE8, 0, 0x30, 2}, { AGILEX_S2F_USER1_FREE_CLK, "s2f_user1_free_clk", NULL, s2f_usr1_free_mux, ARRAY_SIZE(s2f_usr1_free_mux), 0, 0xEC, 0, 0x88, 5}, { AGILEX_PSI_REF_FREE_CLK, "psi_ref_free_clk", NULL, psi_ref_free_mux, ARRAY_SIZE(psi_ref_free_mux), 0, 0xF0, 0, 0x88, 6}, }; static const struct stratix10_gate_clock agilex_gate_clks[] = { { AGILEX_MPU_CLK, "mpu_clk", NULL, mpu_mux, ARRAY_SIZE(mpu_mux), 0, 0x24, 0, 0, 0, 0, 0x30, 0, 0}, { AGILEX_MPU_PERIPH_CLK, "mpu_periph_clk", "mpu_clk", NULL, 1, 0, 0x24, 0, 0, 0, 0, 0, 0, 4}, { AGILEX_MPU_CCU_CLK, "mpu_ccu_clk", "mpu_clk", NULL, 1, 0, 0x24, 0, 0, 0, 0, 0, 0, 2}, { AGILEX_L4_MAIN_CLK, "l4_main_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24, 1, 0x44, 0, 2, 0x30, 1, 0}, { AGILEX_L4_MP_CLK, "l4_mp_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24, 2, 0x44, 8, 2, 0x30, 1, 0}, /* * The l4_sp_clk feeds a 100 MHz clock to various peripherals, one of them * being the SP timers, thus cannot get gated. */ { AGILEX_L4_SP_CLK, "l4_sp_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), CLK_IS_CRITICAL, 0x24, 3, 0x44, 16, 2, 0x30, 1, 0}, { AGILEX_CS_AT_CLK, "cs_at_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24, 4, 0x44, 24, 2, 0x30, 1, 0}, { AGILEX_CS_TRACE_CLK, "cs_trace_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24, 4, 0x44, 26, 2, 0x30, 1, 0}, { AGILEX_CS_PDBG_CLK, "cs_pdbg_clk", "cs_at_clk", NULL, 1, 0, 0x24, 4, 0x44, 28, 1, 0, 0, 0}, { AGILEX_CS_TIMER_CLK, "cs_timer_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24, 5, 0, 0, 0, 0x30, 1, 0}, { AGILEX_EMAC0_CLK, "emac0_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C, 0, 0, 0, 0, 0x94, 26, 0}, { AGILEX_EMAC1_CLK, "emac1_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C, 1, 0, 0, 0, 0x94, 27, 0}, { AGILEX_EMAC2_CLK, "emac2_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C, 2, 0, 0, 0, 0x94, 28, 0}, { AGILEX_EMAC_PTP_CLK, "emac_ptp_clk", NULL, emac_ptp_mux, ARRAY_SIZE(emac_ptp_mux), 0, 0x7C, 3, 0, 0, 0, 0x88, 2, 0}, { AGILEX_GPIO_DB_CLK, "gpio_db_clk", NULL, gpio_db_mux, ARRAY_SIZE(gpio_db_mux), 0, 0x7C, 4, 0x98, 0, 16, 0x88, 3, 0}, { AGILEX_SDMMC_CLK, "sdmmc_clk", NULL, sdmmc_mux, ARRAY_SIZE(sdmmc_mux), 0, 0x7C, 5, 0, 0, 0, 0x88, 4, 4}, { AGILEX_S2F_USER0_CLK, "s2f_user0_clk", NULL, s2f_user0_mux, ARRAY_SIZE(s2f_user0_mux), 0, 0x24, 6, 0, 0, 0, 0x30, 2, 0}, { AGILEX_S2F_USER1_CLK, "s2f_user1_clk", NULL, s2f_user1_mux, ARRAY_SIZE(s2f_user1_mux), 0, 0x7C, 6, 0, 0, 0, 0x88, 5, 0}, { AGILEX_PSI_REF_CLK, "psi_ref_clk", NULL, psi_mux, ARRAY_SIZE(psi_mux), 0, 0x7C, 7, 0, 0, 0, 0x88, 6, 0}, { AGILEX_USB_CLK, "usb_clk", "l4_mp_clk", NULL, 1, 0, 0x7C, 8, 0, 0, 0, 0, 0, 0}, { AGILEX_SPI_M_CLK, "spi_m_clk", "l4_mp_clk", NULL, 1, 0, 0x7C, 9, 0, 0, 0, 0, 0, 0}, { AGILEX_NAND_X_CLK, "nand_x_clk", "l4_mp_clk", NULL, 1, 0, 0x7C, 10, 0, 0, 0, 0, 0, 0}, { AGILEX_NAND_CLK, "nand_clk", "nand_x_clk", NULL, 1, 0, 0x7C, 10, 0, 0, 0, 0, 0, 4}, { AGILEX_NAND_ECC_CLK, "nand_ecc_clk", "nand_x_clk", NULL, 1, 0, 0x7C, 10, 0, 0, 0, 0, 0, 4}, }; static int n5x_clk_register_c_perip(const struct n5x_perip_c_clock *clks, int nums, struct stratix10_clock_data *data) { struct clk_hw *hw_clk; void __iomem *base = data->base; int i; for (i = 0; i < nums; i++) { hw_clk = n5x_register_periph(&clks[i], base); if (IS_ERR(hw_clk)) { pr_err("%s: failed to register clock %s\n", __func__, clks[i].name); continue; } data->clk_data.hws[clks[i].id] = hw_clk; } return 0; } static int agilex_clk_register_c_perip(const struct stratix10_perip_c_clock *clks, int nums, struct stratix10_clock_data *data) { struct clk_hw *hw_clk; void __iomem *base = data->base; int i; for (i = 0; i < nums; i++) { hw_clk = s10_register_periph(&clks[i], base); if (IS_ERR(hw_clk)) { pr_err("%s: failed to register clock %s\n", __func__, clks[i].name); continue; } data->clk_data.hws[clks[i].id] = hw_clk; } return 0; } static int agilex_clk_register_cnt_perip(const struct stratix10_perip_cnt_clock *clks, int nums, struct stratix10_clock_data *data) { struct clk_hw *hw_clk; void __iomem *base = data->base; int i; for (i = 0; i < nums; i++) { hw_clk = s10_register_cnt_periph(&clks[i], base); if (IS_ERR(hw_clk)) { pr_err("%s: failed to register clock %s\n", __func__, clks[i].name); continue; } data->clk_data.hws[clks[i].id] = hw_clk; } return 0; } static int agilex_clk_register_gate(const struct stratix10_gate_clock *clks, int nums, struct stratix10_clock_data *data) { struct clk_hw *hw_clk; void __iomem *base = data->base; int i; for (i = 0; i < nums; i++) { hw_clk = agilex_register_gate(&clks[i], base); if (IS_ERR(hw_clk)) { pr_err("%s: failed to register clock %s\n", __func__, clks[i].name); continue; } data->clk_data.hws[clks[i].id] = hw_clk; } return 0; } static int agilex_clk_register_pll(const struct stratix10_pll_clock *clks, int nums, struct stratix10_clock_data *data) { struct clk_hw *hw_clk; void __iomem *base = data->base; int i; for (i = 0; i < nums; i++) { hw_clk = agilex_register_pll(&clks[i], base); if (IS_ERR(hw_clk)) { pr_err("%s: failed to register clock %s\n", __func__, clks[i].name); continue; } data->clk_data.hws[clks[i].id] = hw_clk; } return 0; } static int n5x_clk_register_pll(const struct stratix10_pll_clock *clks, int nums, struct stratix10_clock_data *data) { struct clk_hw *hw_clk; void __iomem *base = data->base; int i; for (i = 0; i < nums; i++) { hw_clk = n5x_register_pll(&clks[i], base); if (IS_ERR(hw_clk)) { pr_err("%s: failed to register clock %s\n", __func__, clks[i].name); continue; } data->clk_data.hws[clks[i].id] = hw_clk; } return 0; } static int agilex_clkmgr_init(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct device *dev = &pdev->dev; struct stratix10_clock_data *clk_data; void __iomem *base; int i, num_clks; base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(base)) return PTR_ERR(base); num_clks = AGILEX_NUM_CLKS; clk_data = devm_kzalloc(dev, struct_size(clk_data, clk_data.hws, num_clks), GFP_KERNEL); if (!clk_data) return -ENOMEM; clk_data->clk_data.num = num_clks; clk_data->base = base; for (i = 0; i < num_clks; i++) clk_data->clk_data.hws[i] = ERR_PTR(-ENOENT); agilex_clk_register_pll(agilex_pll_clks, ARRAY_SIZE(agilex_pll_clks), clk_data); agilex_clk_register_c_perip(agilex_main_perip_c_clks, ARRAY_SIZE(agilex_main_perip_c_clks), clk_data); agilex_clk_register_cnt_perip(agilex_main_perip_cnt_clks, ARRAY_SIZE(agilex_main_perip_cnt_clks), clk_data); agilex_clk_register_gate(agilex_gate_clks, ARRAY_SIZE(agilex_gate_clks), clk_data); of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &clk_data->clk_data); return 0; } static int n5x_clkmgr_init(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct device *dev = &pdev->dev; struct stratix10_clock_data *clk_data; void __iomem *base; int i, num_clks; base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(base)) return PTR_ERR(base); num_clks = AGILEX_NUM_CLKS; clk_data = devm_kzalloc(dev, struct_size(clk_data, clk_data.hws, num_clks), GFP_KERNEL); if (!clk_data) return -ENOMEM; clk_data->base = base; clk_data->clk_data.num = num_clks; for (i = 0; i < num_clks; i++) clk_data->clk_data.hws[i] = ERR_PTR(-ENOENT); n5x_clk_register_pll(agilex_pll_clks, ARRAY_SIZE(agilex_pll_clks), clk_data); n5x_clk_register_c_perip(n5x_main_perip_c_clks, ARRAY_SIZE(n5x_main_perip_c_clks), clk_data); agilex_clk_register_cnt_perip(agilex_main_perip_cnt_clks, ARRAY_SIZE(agilex_main_perip_cnt_clks), clk_data); agilex_clk_register_gate(agilex_gate_clks, ARRAY_SIZE(agilex_gate_clks), clk_data); of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &clk_data->clk_data); return 0; } static int agilex_clkmgr_probe(struct platform_device *pdev) { int (*probe_func)(struct platform_device *init_func); probe_func = of_device_get_match_data(&pdev->dev); if (!probe_func) return -ENODEV; return probe_func(pdev); } static const struct of_device_id agilex_clkmgr_match_table[] = { { .compatible = "intel,agilex-clkmgr", .data = agilex_clkmgr_init }, { .compatible = "intel,easic-n5x-clkmgr", .data = n5x_clkmgr_init }, { } }; static struct platform_driver agilex_clkmgr_driver = { .probe = agilex_clkmgr_probe, .driver = { .name = "agilex-clkmgr", .suppress_bind_attrs = true, .of_match_table = agilex_clkmgr_match_table, }, }; static int __init agilex_clk_init(void) { return platform_driver_register(&agilex_clkmgr_driver); } core_initcall(agilex_clk_init);