linux/drivers/clk/sunxi-ng/ccu-suniv-f1c100s.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2016 Icenowy Zheng <[email protected]>
 *
 */

#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-suniv-f1c100s.h"

static struct ccu_nkmp pll_cpu_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).
 *
 * We don't have any need for the variable divider for now, so we just
 * hardcode it to match with the clock names
 */
#define SUNIV_PLL_AUDIO_REG

static SUNXI_CCU_NM_WITH_GATE_LOCK(pll_audio_base_clk, "pll-audio-base",
				   "osc24M", 0x008,
				   8, 7,		/* N */
				   0, 5,		/* M */
				   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-ddr",
				    "osc24M", 0x020,
				    8, 5,		/* N */
				    4, 2,		/* K */
				    0, 2,		/* M */
				    BIT(31),		/* gate */
				    BIT(28),		/* lock */
				    CLK_IS_CRITICAL);

static struct ccu_nk pll_periph_clk =;

static const char * const cpu_parents[] =;
static SUNXI_CCU_MUX(cpu_clk, "cpu", cpu_parents,
		     0x050, 16, 2, CLK_IS_CRITICAL | CLK_SET_RATE_PARENT);

static const char * const ahb_parents[] =;
static const struct ccu_mux_var_prediv ahb_predivs[] =;
static struct ccu_div ahb_clk =;

static struct clk_div_table apb_div_table[] =;
static SUNXI_CCU_DIV_TABLE(apb_clk, "apb", "ahb",
			   0x054, 8, 2, apb_div_table, 0);

static SUNXI_CCU_GATE(bus_dma_clk,	"bus-dma",	"ahb",
		      0x060, BIT(6), 0);
static SUNXI_CCU_GATE(bus_mmc0_clk,	"bus-mmc0",	"ahb",
		      0x060, BIT(8), 0);
static SUNXI_CCU_GATE(bus_mmc1_clk,	"bus-mmc1",	"ahb",
		      0x060, BIT(9), 0);
static SUNXI_CCU_GATE(bus_dram_clk,	"bus-dram",	"ahb",
		      0x060, BIT(14), 0);
static SUNXI_CCU_GATE(bus_spi0_clk,	"bus-spi0",	"ahb",
		      0x060, BIT(20), 0);
static SUNXI_CCU_GATE(bus_spi1_clk,	"bus-spi1",	"ahb",
		      0x060, BIT(21), 0);
static SUNXI_CCU_GATE(bus_otg_clk,	"bus-otg",	"ahb",
		      0x060, BIT(24), 0);

static SUNXI_CCU_GATE(bus_ve_clk,	"bus-ve",	"ahb",
		      0x064, BIT(0), 0);
static SUNXI_CCU_GATE(bus_lcd_clk,	"bus-lcd",	"ahb",
		      0x064, BIT(4), 0);
static SUNXI_CCU_GATE(bus_deinterlace_clk,	"bus-deinterlace",	"ahb",
		      0x064, BIT(5), 0);
static SUNXI_CCU_GATE(bus_csi_clk,	"bus-csi",	"ahb",
		      0x064, BIT(8), 0);
static SUNXI_CCU_GATE(bus_tvd_clk,	"bus-tvd",	"ahb",
		      0x064, BIT(9), 0);
static SUNXI_CCU_GATE(bus_tve_clk,	"bus-tve",	"ahb",
		      0x064, BIT(10), 0);
static SUNXI_CCU_GATE(bus_de_be_clk,	"bus-de-be",	"ahb",
		      0x064, BIT(12), 0);
static SUNXI_CCU_GATE(bus_de_fe_clk,	"bus-de-fe",	"ahb",
		      0x064, BIT(14), 0);

static SUNXI_CCU_GATE(bus_codec_clk,	"bus-codec",	"apb",
		      0x068, BIT(0), 0);
static SUNXI_CCU_GATE(bus_spdif_clk,	"bus-spdif",	"apb",
		      0x068, BIT(1), 0);
static SUNXI_CCU_GATE(bus_ir_clk,	"bus-ir",	"apb",
		      0x068, BIT(2), 0);
static SUNXI_CCU_GATE(bus_rsb_clk,	"bus-rsb",	"apb",
		      0x068, BIT(3), 0);
static SUNXI_CCU_GATE(bus_i2s0_clk,	"bus-i2s0",	"apb",
		      0x068, BIT(12), 0);
static SUNXI_CCU_GATE(bus_i2c0_clk,	"bus-i2c0",	"apb",
		      0x068, BIT(16), 0);
static SUNXI_CCU_GATE(bus_i2c1_clk,	"bus-i2c1",	"apb",
		      0x068, BIT(17), 0);
static SUNXI_CCU_GATE(bus_i2c2_clk,	"bus-i2c2",	"apb",
		      0x068, BIT(18), 0);
static SUNXI_CCU_GATE(bus_pio_clk,	"bus-pio",	"apb",
		      0x068, BIT(19), 0);
static SUNXI_CCU_GATE(bus_uart0_clk,	"bus-uart0",	"apb",
		      0x068, BIT(20), 0);
static SUNXI_CCU_GATE(bus_uart1_clk,	"bus-uart1",	"apb",
		      0x068, BIT(21), 0);
static SUNXI_CCU_GATE(bus_uart2_clk,	"bus-uart2",	"apb",
		      0x068, BIT(22), 0);

static const char * const mod0_default_parents[] =;
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 const char * const i2s_spdif_parents[] =;

static SUNXI_CCU_MUX_WITH_GATE(i2s_clk, "i2s", i2s_spdif_parents,
			       0x0b0, 16, 2, BIT(31), 0);

static SUNXI_CCU_MUX_WITH_GATE(spdif_clk, "spdif", i2s_spdif_parents,
			       0x0b4, 16, 2, BIT(31), 0);

static const char * const ir_parents[] =;
static SUNXI_CCU_MP_WITH_MUX_GATE(ir_clk, "ir",
				  ir_parents, 0x0b8,
				  0, 4,		/* M */
				  16, 2,	/* P */
				  24, 2,        /* mux */
				  BIT(31),      /* gate */
				  0);

static SUNXI_CCU_GATE(usb_phy0_clk,	"usb-phy0",	"osc24M",
		      0x0cc, BIT(1), 0);

static SUNXI_CCU_GATE(dram_ve_clk,	"dram-ve",	"pll-ddr",
		      0x100, BIT(0), 0);
static SUNXI_CCU_GATE(dram_csi_clk,	"dram-csi",	"pll-ddr",
		      0x100, BIT(1), 0);
static SUNXI_CCU_GATE(dram_deinterlace_clk,	"dram-deinterlace",
		      "pll-ddr", 0x100, BIT(2), 0);
static SUNXI_CCU_GATE(dram_tvd_clk,	"dram-tvd",	"pll-ddr",
		      0x100, BIT(3), 0);
static SUNXI_CCU_GATE(dram_de_fe_clk,	"dram-de-fe",	"pll-ddr",
		      0x100, BIT(24), 0);
static SUNXI_CCU_GATE(dram_de_be_clk,	"dram-de-be",	"pll-ddr",
		      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 tcon_parents[] =;
static const u8 tcon_table[] =;
static SUNXI_CCU_MUX_TABLE_WITH_GATE(tcon_clk, "tcon",
				     tcon_parents, tcon_table,
				     0x118, 24, 3, BIT(31),
				     CLK_SET_RATE_PARENT);

static const char * const deinterlace_parents[] =;
static const u8 deinterlace_table[] =;
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(deinterlace_clk, "deinterlace",
				       deinterlace_parents, deinterlace_table,
				       0x11c, 0, 4, 24, 3, BIT(31), 0);

static const char * const tve_clk2_parents[] =;
static const u8 tve_clk2_table[] =;
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(tve_clk2_clk, "tve-clk2",
				       tve_clk2_parents, tve_clk2_table,
				       0x120, 0, 4, 24, 3, BIT(31), 0);
static SUNXI_CCU_M_WITH_GATE(tve_clk1_clk, "tve-clk1", "tve-clk2",
			     0x120, 8, 1, BIT(15), 0);

static const char * const tvd_parents[] =;
static SUNXI_CCU_M_WITH_MUX_GATE(tvd_clk, "tvd", tvd_parents,
				 0x124, 0, 4, 24, 3, BIT(31), 0);

static const char * const csi_parents[] =;
static const u8 csi_table[] =;
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_clk, "csi", csi_parents, csi_table,
				       0x120, 0, 4, 8, 3, BIT(15), 0);

/*
 * TODO: BSP says the parent is pll-audio, however common sense and experience
 * told us it should be pll-ve. pll-ve is totally not used in BSP code.
 */
static SUNXI_CCU_GATE(ve_clk, "ve", "pll-audio", 0x13c, BIT(31), 0);

static SUNXI_CCU_GATE(codec_clk, "codec", "pll-audio", 0x140, BIT(31), 0);

static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M", 0x144, BIT(31), 0);

static struct ccu_common *suniv_ccu_clks[] =;

static const struct clk_hw *clk_parent_pll_audio[] =;

static CLK_FIXED_FACTOR_HWS(pll_audio_clk, "pll-audio",
			    clk_parent_pll_audio,
			    4, 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_video_2x_clk, "pll-video-2x",
			    &pll_video_clk.common.hw,
			    1, 2, 0);

static struct clk_hw_onecell_data suniv_hw_clks =;

static struct ccu_reset_map suniv_ccu_resets[] =;

static const struct sunxi_ccu_desc suniv_ccu_desc =;

static struct ccu_pll_nb suniv_pll_cpu_nb =;

static struct ccu_mux_nb suniv_cpu_nb =;

static int suniv_f1c100s_ccu_probe(struct platform_device *pdev)
{}

static const struct of_device_id suniv_f1c100s_ccu_ids[] =;
MODULE_DEVICE_TABLE(of, suniv_f1c100s_ccu_ids);

static struct platform_driver suniv_f1c100s_ccu_driver =;
module_platform_driver();

MODULE_IMPORT_NS();
MODULE_DESCRIPTION();
MODULE_LICENSE();