// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2016 Maxime Ripard. All rights reserved. */ #include <linux/clk-provider.h> #include <linux/io.h> #include <linux/module.h> #include <linux/platform_device.h> #include "ccu_common.h" #include "ccu_reset.h" #include "ccu_div.h" #include "ccu_gate.h" #include "ccu_mp.h" #include "ccu_mult.h" #include "ccu_nk.h" #include "ccu_nkm.h" #include "ccu_nkmp.h" #include "ccu_nm.h" #include "ccu_phase.h" #include "ccu-sun8i-a23-a33.h" static struct ccu_nkmp pll_cpux_clk = …; /* * The Audio PLL is supposed to have 4 outputs: 3 fixed factors from * the base (2x, 4x and 8x), and one variable divider (the one true * pll audio). * * With sigma-delta modulation for fractional-N on the audio PLL, * we have to use specific dividers. This means the variable divider * can no longer be used, as the audio codec requests the exact clock * rates we support through this mechanism. So we now hard code the * variable divider to 1. This means the clock rates will no longer * match the clock names. */ #define SUN8I_A33_PLL_AUDIO_REG … static struct ccu_sdm_setting pll_audio_sdm_table[] = …; static SUNXI_CCU_NM_WITH_SDM_GATE_LOCK(pll_audio_base_clk, "pll-audio-base", "osc24M", 0x008, 8, 7, /* N */ 0, 5, /* M */ pll_audio_sdm_table, BIT(24), 0x284, BIT(31), BIT(31), /* gate */ BIT(28), /* lock */ CLK_SET_RATE_UNGATE); static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video_clk, "pll-video", "osc24M", 0x010, 8, 7, /* N */ 0, 4, /* M */ BIT(24), /* frac enable */ BIT(25), /* frac select */ 270000000, /* frac rate 0 */ 297000000, /* frac rate 1 */ BIT(31), /* gate */ BIT(28), /* lock */ CLK_SET_RATE_UNGATE); static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk, "pll-ve", "osc24M", 0x018, 8, 7, /* N */ 0, 4, /* M */ BIT(24), /* frac enable */ BIT(25), /* frac select */ 270000000, /* frac rate 0 */ 297000000, /* frac rate 1 */ BIT(31), /* gate */ BIT(28), /* lock */ CLK_SET_RATE_UNGATE); static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_ddr0_clk, "pll-ddr0", "osc24M", 0x020, 8, 5, /* N */ 4, 2, /* K */ 0, 2, /* M */ BIT(31), /* gate */ BIT(28), /* lock */ 0); static SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(pll_periph_clk, "pll-periph", "osc24M", 0x028, 8, 5, /* N */ 4, 2, /* K */ BIT(31), /* gate */ BIT(28), /* lock */ 2, /* post-div */ CLK_SET_RATE_UNGATE); static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_gpu_clk, "pll-gpu", "osc24M", 0x038, 8, 7, /* N */ 0, 4, /* M */ BIT(24), /* frac enable */ BIT(25), /* frac select */ 270000000, /* frac rate 0 */ 297000000, /* frac rate 1 */ BIT(31), /* gate */ BIT(28), /* lock */ CLK_SET_RATE_UNGATE); /* * The MIPI PLL has 2 modes: "MIPI" and "HDMI". * * The MIPI mode is a standard NKM-style clock. The HDMI mode is an * integer / fractional clock with switchable multipliers and dividers. * This is not supported here. We hardcode the PLL to MIPI mode. */ #define SUN8I_A33_PLL_MIPI_REG … static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_mipi_clk, "pll-mipi", "pll-video", 0x040, 8, 4, /* N */ 4, 2, /* K */ 0, 4, /* M */ BIT(31) | BIT(23) | BIT(22), /* gate */ BIT(28), /* lock */ CLK_SET_RATE_UNGATE); static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_hsic_clk, "pll-hsic", "osc24M", 0x044, 8, 7, /* N */ 0, 4, /* M */ BIT(24), /* frac enable */ BIT(25), /* frac select */ 270000000, /* frac rate 0 */ 297000000, /* frac rate 1 */ BIT(31), /* gate */ BIT(28), /* lock */ CLK_SET_RATE_UNGATE); static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_de_clk, "pll-de", "osc24M", 0x048, 8, 7, /* N */ 0, 4, /* M */ BIT(24), /* frac enable */ BIT(25), /* frac select */ 270000000, /* frac rate 0 */ 297000000, /* frac rate 1 */ BIT(31), /* gate */ BIT(28), /* lock */ CLK_SET_RATE_UNGATE); static struct ccu_mult pll_ddr1_clk = …; static const char * const cpux_parents[] = …; static SUNXI_CCU_MUX(cpux_clk, "cpux", cpux_parents, 0x050, 16, 2, CLK_IS_CRITICAL | CLK_SET_RATE_PARENT); static SUNXI_CCU_M(axi_clk, "axi", "cpux", 0x050, 0, 2, 0); static const char * const ahb1_parents[] = …; static const struct ccu_mux_var_prediv ahb1_predivs[] = …; static struct ccu_div ahb1_clk = …; static struct clk_div_table apb1_div_table[] = …; static SUNXI_CCU_DIV_TABLE(apb1_clk, "apb1", "ahb1", 0x054, 8, 2, apb1_div_table, 0); static const char * const apb2_parents[] = …; static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", apb2_parents, 0x058, 0, 5, /* M */ 16, 2, /* P */ 24, 2, /* mux */ 0); static SUNXI_CCU_GATE(bus_mipi_dsi_clk, "bus-mipi-dsi", "ahb1", 0x060, BIT(1), 0); static SUNXI_CCU_GATE(bus_ss_clk, "bus-ss", "ahb1", 0x060, BIT(5), 0); static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "ahb1", 0x060, BIT(6), 0); static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb1", 0x060, BIT(8), 0); static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb1", 0x060, BIT(9), 0); static SUNXI_CCU_GATE(bus_mmc2_clk, "bus-mmc2", "ahb1", 0x060, BIT(10), 0); static SUNXI_CCU_GATE(bus_nand_clk, "bus-nand", "ahb1", 0x060, BIT(13), 0); static SUNXI_CCU_GATE(bus_dram_clk, "bus-dram", "ahb1", 0x060, BIT(14), 0); static SUNXI_CCU_GATE(bus_hstimer_clk, "bus-hstimer", "ahb1", 0x060, BIT(19), 0); static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb1", 0x060, BIT(20), 0); static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb1", 0x060, BIT(21), 0); static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb1", 0x060, BIT(24), 0); static SUNXI_CCU_GATE(bus_ehci_clk, "bus-ehci", "ahb1", 0x060, BIT(26), 0); static SUNXI_CCU_GATE(bus_ohci_clk, "bus-ohci", "ahb1", 0x060, BIT(29), 0); static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "ahb1", 0x064, BIT(0), 0); static SUNXI_CCU_GATE(bus_lcd_clk, "bus-lcd", "ahb1", 0x064, BIT(4), 0); static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi", "ahb1", 0x064, BIT(8), 0); static SUNXI_CCU_GATE(bus_de_be_clk, "bus-de-be", "ahb1", 0x064, BIT(12), 0); static SUNXI_CCU_GATE(bus_de_fe_clk, "bus-de-fe", "ahb1", 0x064, BIT(14), 0); static SUNXI_CCU_GATE(bus_gpu_clk, "bus-gpu", "ahb1", 0x064, BIT(20), 0); static SUNXI_CCU_GATE(bus_msgbox_clk, "bus-msgbox", "ahb1", 0x064, BIT(21), 0); static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "ahb1", 0x064, BIT(22), 0); static SUNXI_CCU_GATE(bus_drc_clk, "bus-drc", "ahb1", 0x064, BIT(25), 0); static SUNXI_CCU_GATE(bus_sat_clk, "bus-sat", "ahb1", 0x064, BIT(26), 0); static SUNXI_CCU_GATE(bus_codec_clk, "bus-codec", "apb1", 0x068, BIT(0), 0); static SUNXI_CCU_GATE(bus_pio_clk, "bus-pio", "apb1", 0x068, BIT(5), 0); static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0", "apb1", 0x068, BIT(12), 0); static SUNXI_CCU_GATE(bus_i2s1_clk, "bus-i2s1", "apb1", 0x068, BIT(13), 0); static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb2", 0x06c, BIT(0), 0); static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb2", 0x06c, BIT(1), 0); static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb2", 0x06c, BIT(2), 0); static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb2", 0x06c, BIT(16), 0); static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb2", 0x06c, BIT(17), 0); static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb2", 0x06c, BIT(18), 0); static SUNXI_CCU_GATE(bus_uart3_clk, "bus-uart3", "apb2", 0x06c, BIT(19), 0); static SUNXI_CCU_GATE(bus_uart4_clk, "bus-uart4", "apb2", 0x06c, BIT(20), 0); static const char * const mod0_default_parents[] = …; static SUNXI_CCU_MP_WITH_MUX_GATE(nand_clk, "nand", mod0_default_parents, 0x080, 0, 4, /* M */ 16, 2, /* P */ 24, 2, /* mux */ BIT(31), /* gate */ 0); static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mod0_default_parents, 0x088, 0, 4, /* M */ 16, 2, /* P */ 24, 2, /* mux */ BIT(31), /* gate */ 0); static SUNXI_CCU_PHASE(mmc0_sample_clk, "mmc0_sample", "mmc0", 0x088, 20, 3, 0); static SUNXI_CCU_PHASE(mmc0_output_clk, "mmc0_output", "mmc0", 0x088, 8, 3, 0); static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mod0_default_parents, 0x08c, 0, 4, /* M */ 16, 2, /* P */ 24, 2, /* mux */ BIT(31), /* gate */ 0); static SUNXI_CCU_PHASE(mmc1_sample_clk, "mmc1_sample", "mmc1", 0x08c, 20, 3, 0); static SUNXI_CCU_PHASE(mmc1_output_clk, "mmc1_output", "mmc1", 0x08c, 8, 3, 0); static SUNXI_CCU_MP_WITH_MUX_GATE(mmc2_clk, "mmc2", mod0_default_parents, 0x090, 0, 4, /* M */ 16, 2, /* P */ 24, 2, /* mux */ BIT(31), /* gate */ 0); static SUNXI_CCU_PHASE(mmc2_sample_clk, "mmc2_sample", "mmc2", 0x090, 20, 3, 0); static SUNXI_CCU_PHASE(mmc2_output_clk, "mmc2_output", "mmc2", 0x090, 8, 3, 0); static SUNXI_CCU_MP_WITH_MUX_GATE(ss_clk, "ss", mod0_default_parents, 0x09c, 0, 4, /* M */ 16, 2, /* P */ 24, 2, /* mux */ BIT(31), /* gate */ 0); static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", mod0_default_parents, 0x0a0, 0, 4, /* M */ 16, 2, /* P */ 24, 2, /* mux */ BIT(31), /* gate */ 0); static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents, 0x0a4, 0, 4, /* M */ 16, 2, /* P */ 24, 2, /* mux */ BIT(31), /* gate */ 0); static const char * const i2s_parents[] = …; static SUNXI_CCU_MUX_WITH_GATE(i2s0_clk, "i2s0", i2s_parents, 0x0b0, 16, 2, BIT(31), CLK_SET_RATE_PARENT); static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk, "i2s1", i2s_parents, 0x0b4, 16, 2, BIT(31), CLK_SET_RATE_PARENT); /* TODO: the parent for most of the USB clocks is not known */ static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "osc24M", 0x0cc, BIT(8), 0); static SUNXI_CCU_GATE(usb_phy1_clk, "usb-phy1", "osc24M", 0x0cc, BIT(9), 0); static SUNXI_CCU_GATE(usb_hsic_clk, "usb-hsic", "pll-hsic", 0x0cc, BIT(10), 0); static SUNXI_CCU_GATE(usb_hsic_12M_clk, "usb-hsic-12M", "osc24M", 0x0cc, BIT(11), 0); static SUNXI_CCU_GATE(usb_ohci_clk, "usb-ohci", "osc24M", 0x0cc, BIT(16), 0); static SUNXI_CCU_M(dram_clk, "dram", "pll-ddr", 0x0f4, 0, 4, CLK_IS_CRITICAL); static const char * const pll_ddr_parents[] = …; static SUNXI_CCU_MUX(pll_ddr_clk, "pll-ddr", pll_ddr_parents, 0x0f8, 16, 1, 0); static SUNXI_CCU_GATE(dram_ve_clk, "dram-ve", "dram", 0x100, BIT(0), 0); static SUNXI_CCU_GATE(dram_csi_clk, "dram-csi", "dram", 0x100, BIT(1), 0); static SUNXI_CCU_GATE(dram_drc_clk, "dram-drc", "dram", 0x100, BIT(16), 0); static SUNXI_CCU_GATE(dram_de_fe_clk, "dram-de-fe", "dram", 0x100, BIT(24), 0); static SUNXI_CCU_GATE(dram_de_be_clk, "dram-de-be", "dram", 0x100, BIT(26), 0); static const char * const de_parents[] = …; static const u8 de_table[] = …; static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_be_clk, "de-be", de_parents, de_table, 0x104, 0, 4, 24, 3, BIT(31), 0); static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_fe_clk, "de-fe", de_parents, de_table, 0x10c, 0, 4, 24, 3, BIT(31), 0); static const char * const lcd_ch0_parents[] = …; static const u8 lcd_ch0_table[] = …; static SUNXI_CCU_MUX_TABLE_WITH_GATE(lcd_ch0_clk, "lcd-ch0", lcd_ch0_parents, lcd_ch0_table, 0x118, 24, 3, BIT(31), CLK_SET_RATE_PARENT); static const char * const lcd_ch1_parents[] = …; static const u8 lcd_ch1_table[] = …; static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(lcd_ch1_clk, "lcd-ch1", lcd_ch1_parents, lcd_ch1_table, 0x12c, 0, 4, 24, 2, BIT(31), 0); static const char * const csi_sclk_parents[] = …; static const u8 csi_sclk_table[] = …; static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_sclk_clk, "csi-sclk", csi_sclk_parents, csi_sclk_table, 0x134, 16, 4, 24, 3, BIT(31), 0); static const char * const csi_mclk_parents[] = …; static const u8 csi_mclk_table[] = …; static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_mclk_clk, "csi-mclk", csi_mclk_parents, csi_mclk_table, 0x134, 0, 5, 8, 3, BIT(15), 0); static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve", 0x13c, 16, 3, BIT(31), CLK_SET_RATE_PARENT); static SUNXI_CCU_GATE(ac_dig_clk, "ac-dig", "pll-audio", 0x140, BIT(31), CLK_SET_RATE_PARENT); static SUNXI_CCU_GATE(ac_dig_4x_clk, "ac-dig-4x", "pll-audio-4x", 0x140, BIT(30), CLK_SET_RATE_PARENT); static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M", 0x144, BIT(31), 0); static const char * const mbus_parents[] = …; static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents, 0x15c, 0, 3, 24, 2, BIT(31), CLK_IS_CRITICAL); static const char * const dsi_sclk_parents[] = …; static const u8 dsi_sclk_table[] = …; static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_sclk_clk, "dsi-sclk", dsi_sclk_parents, dsi_sclk_table, 0x168, 16, 4, 24, 2, BIT(31), 0); static const char * const dsi_dphy_parents[] = …; static const u8 dsi_dphy_table[] = …; static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_dphy_clk, "dsi-dphy", dsi_dphy_parents, dsi_dphy_table, 0x168, 0, 4, 8, 2, BIT(15), 0); static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(drc_clk, "drc", de_parents, de_table, 0x180, 0, 4, 24, 3, BIT(31), 0); static SUNXI_CCU_M_WITH_GATE(gpu_clk, "gpu", "pll-gpu", 0x1a0, 0, 3, BIT(31), CLK_SET_RATE_PARENT); static const char * const ats_parents[] = …; static SUNXI_CCU_M_WITH_MUX_GATE(ats_clk, "ats", ats_parents, 0x1b0, 0, 3, 24, 2, BIT(31), 0); static struct ccu_common *sun8i_a33_ccu_clks[] = …; static const struct clk_hw *clk_parent_pll_audio[] = …; /* We hardcode the divider to 1 for now */ static CLK_FIXED_FACTOR_HWS(pll_audio_clk, "pll-audio", clk_parent_pll_audio, 1, 1, CLK_SET_RATE_PARENT); static CLK_FIXED_FACTOR_HWS(pll_audio_2x_clk, "pll-audio-2x", clk_parent_pll_audio, 2, 1, CLK_SET_RATE_PARENT); static CLK_FIXED_FACTOR_HWS(pll_audio_4x_clk, "pll-audio-4x", clk_parent_pll_audio, 1, 1, CLK_SET_RATE_PARENT); static CLK_FIXED_FACTOR_HWS(pll_audio_8x_clk, "pll-audio-8x", clk_parent_pll_audio, 1, 2, CLK_SET_RATE_PARENT); static CLK_FIXED_FACTOR_HW(pll_periph_2x_clk, "pll-periph-2x", &pll_periph_clk.common.hw, 1, 2, 0); static CLK_FIXED_FACTOR_HW(pll_video_2x_clk, "pll-video-2x", &pll_video_clk.common.hw, 1, 2, 0); static struct clk_hw_onecell_data sun8i_a33_hw_clks = …; static struct ccu_reset_map sun8i_a33_ccu_resets[] = …; static const struct sunxi_ccu_desc sun8i_a33_ccu_desc = …; static struct ccu_pll_nb sun8i_a33_pll_cpu_nb = …; static struct ccu_mux_nb sun8i_a33_cpu_nb = …; static int sun8i_a33_ccu_probe(struct platform_device *pdev) { … } static const struct of_device_id sun8i_a33_ccu_ids[] = …; MODULE_DEVICE_TABLE(of, sun8i_a33_ccu_ids); static struct platform_driver sun8i_a33_ccu_driver = …; module_platform_driver(…) …; MODULE_IMPORT_NS(…); MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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