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linux/drivers/clk/sunxi-ng/ccu-sun8i-r40.c
Javier Carrasco 38bded8154 clk: sunxi-ng r40: Constify struct regmap_config 
`sun8i_r40_ccu_regmap_config` is not modified and can be declared as
const to move its data to a read-only section.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20240703-clk-const-regmap-v1-9-7d15a0671d6f@gmail.com
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2024-07-10 12:47:20 -07:00

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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2017 Icenowy Zheng <icenowy@aosc.io>
*/
#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/regmap.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-r40.h"
/* TODO: The result of N*K is required to be in [10, 88] range. */
static struct ccu_nkmp pll_cpu_clk = {
.enable = BIT(31),
.lock = BIT(28),
.n = _SUNXI_CCU_MULT(8, 5),
.k = _SUNXI_CCU_MULT(4, 2),
.m = _SUNXI_CCU_DIV(0, 2),
.p = _SUNXI_CCU_DIV_MAX(16, 2, 4),
.common = {
.reg = 0x000,
.hw.init = CLK_HW_INIT("pll-cpu",
"osc24M",
&ccu_nkmp_ops,
CLK_SET_RATE_UNGATE),
},
};
/*
* 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_R40_PLL_AUDIO_REG 0x008
static struct ccu_sdm_setting pll_audio_sdm_table[] = {
{ .rate = 22579200, .pattern = 0xc0010d84, .m = 8, .n = 7 },
{ .rate = 24576000, .pattern = 0xc000ac02, .m = 14, .n = 14 },
};
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_MIN_MAX(pll_video0_clk, "pll-video0",
"osc24M", 0x0010,
192000000, /* Minimum rate */
1008000000, /* Maximum rate */
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);
/* TODO: The result of N/M is required to be in [8, 25] range. */
static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk, "pll-ve",
"osc24M", 0x0018,
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);
/* TODO: The result of N*K is required to be in [10, 77] range. */
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 */
CLK_SET_RATE_UNGATE);
/* TODO: The result of N*K is required to be in [21, 58] range. */
static struct ccu_nk pll_periph0_clk = {
.enable = BIT(31),
.lock = BIT(28),
.n = _SUNXI_CCU_MULT(8, 5),
.k = _SUNXI_CCU_MULT(4, 2),
.fixed_post_div = 2,
.common = {
.reg = 0x028,
.features = CCU_FEATURE_FIXED_POSTDIV,
.hw.init = CLK_HW_INIT("pll-periph0", "osc24M",
&ccu_nk_ops,
CLK_SET_RATE_UNGATE),
},
};
static struct ccu_div pll_periph0_sata_clk = {
.enable = BIT(24),
.div = _SUNXI_CCU_DIV(0, 2),
/*
* The formula of pll-periph0 (1x) is 24MHz*N*K/2, and the formula
* of pll-periph0-sata is 24MHz*N*K/M/6, so the postdiv here is
* 6/2 = 3.
*/
.fixed_post_div = 3,
.common = {
.reg = 0x028,
.features = CCU_FEATURE_FIXED_POSTDIV,
.hw.init = CLK_HW_INIT("pll-periph0-sata",
"pll-periph0",
&ccu_div_ops, 0),
},
};
/* TODO: The result of N*K is required to be in [21, 58] range. */
static struct ccu_nk pll_periph1_clk = {
.enable = BIT(31),
.lock = BIT(28),
.n = _SUNXI_CCU_MULT(8, 5),
.k = _SUNXI_CCU_MULT(4, 2),
.fixed_post_div = 2,
.common = {
.reg = 0x02c,
.features = CCU_FEATURE_FIXED_POSTDIV,
.hw.init = CLK_HW_INIT("pll-periph1", "osc24M",
&ccu_nk_ops,
CLK_SET_RATE_UNGATE),
},
};
static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN_MAX(pll_video1_clk, "pll-video1",
"osc24M", 0x030,
192000000, /* Minimum rate */
1008000000, /* Maximum rate */
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_nkm pll_sata_clk = {
.enable = BIT(31),
.lock = BIT(28),
.n = _SUNXI_CCU_MULT(8, 5),
.k = _SUNXI_CCU_MULT(4, 2),
.m = _SUNXI_CCU_DIV(0, 2),
.fixed_post_div = 6,
.common = {
.reg = 0x034,
.features = CCU_FEATURE_FIXED_POSTDIV,
.hw.init = CLK_HW_INIT("pll-sata", "osc24M",
&ccu_nkm_ops,
CLK_SET_RATE_UNGATE),
},
};
static const char * const pll_sata_out_parents[] = { "pll-sata",
"pll-periph0-sata" };
static SUNXI_CCU_MUX_WITH_GATE(pll_sata_out_clk, "pll-sata-out",
pll_sata_out_parents, 0x034,
30, 1, /* mux */
BIT(14), /* gate */
CLK_SET_RATE_PARENT);
/* TODO: The result of N/M is required to be in [8, 25] range. */
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.
*
* TODO: In the MIPI mode, M/N is required to be equal or lesser than 3,
* which cannot be implemented now.
*/
#define SUN8I_R40_PLL_MIPI_REG 0x040
static const char * const pll_mipi_parents[] = { "pll-video0" };
static struct ccu_nkm pll_mipi_clk = {
.enable = BIT(31) | BIT(23) | BIT(22),
.lock = BIT(28),
.n = _SUNXI_CCU_MULT(8, 4),
.k = _SUNXI_CCU_MULT_MIN(4, 2, 2),
.m = _SUNXI_CCU_DIV(0, 4),
.mux = _SUNXI_CCU_MUX(21, 1),
.common = {
.reg = 0x040,
.hw.init = CLK_HW_INIT_PARENTS("pll-mipi",
pll_mipi_parents,
&ccu_nkm_ops,
CLK_SET_RATE_UNGATE)
},
};
/* TODO: The result of N/M is required to be in [8, 25] range. */
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);
/* TODO: The N factor is required to be in [16, 75] range. */
static SUNXI_CCU_NM_WITH_GATE_LOCK(pll_ddr1_clk, "pll-ddr1",
"osc24M", 0x04c,
8, 7, /* N */
0, 2, /* M */
BIT(31), /* gate */
BIT(28), /* lock */
CLK_SET_RATE_UNGATE);
static const char * const cpu_parents[] = { "osc32k", "osc24M",
"pll-cpu", "pll-cpu" };
static SUNXI_CCU_MUX(cpu_clk, "cpu", cpu_parents,
0x050, 16, 2, CLK_IS_CRITICAL | CLK_SET_RATE_PARENT);
static SUNXI_CCU_M(axi_clk, "axi", "cpu", 0x050, 0, 2, 0);
static const char * const ahb1_parents[] = { "osc32k", "osc24M",
"axi", "pll-periph0" };
static const struct ccu_mux_var_prediv ahb1_predivs[] = {
{ .index = 3, .shift = 6, .width = 2 },
};
static struct ccu_div ahb1_clk = {
.div = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO),
.mux = {
.shift = 12,
.width = 2,
.var_predivs = ahb1_predivs,
.n_var_predivs = ARRAY_SIZE(ahb1_predivs),
},
.common = {
.reg = 0x054,
.features = CCU_FEATURE_VARIABLE_PREDIV,
.hw.init = CLK_HW_INIT_PARENTS("ahb1",
ahb1_parents,
&ccu_div_ops,
0),
},
};
static struct clk_div_table apb1_div_table[] = {
{ .val = 0, .div = 2 },
{ .val = 1, .div = 2 },
{ .val = 2, .div = 4 },
{ .val = 3, .div = 8 },
{ /* Sentinel */ },
};
static SUNXI_CCU_DIV_TABLE(apb1_clk, "apb1", "ahb1",
0x054, 8, 2, apb1_div_table, 0);
static const char * const apb2_parents[] = { "osc32k", "osc24M",
"pll-periph0-2x",
"pll-periph0-2x" };
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_ce_clk, "bus-ce", "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_mmc3_clk, "bus-mmc3", "ahb1",
0x060, BIT(11), 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_emac_clk, "bus-emac", "ahb1",
0x060, BIT(17), 0);
static SUNXI_CCU_GATE(bus_ts_clk, "bus-ts", "ahb1",
0x060, BIT(18), 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_spi2_clk, "bus-spi2", "ahb1",
0x060, BIT(22), 0);
static SUNXI_CCU_GATE(bus_spi3_clk, "bus-spi3", "ahb1",
0x060, BIT(23), 0);
static SUNXI_CCU_GATE(bus_sata_clk, "bus-sata", "ahb1",
0x060, BIT(24), 0);
static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb1",
0x060, BIT(25), 0);
static SUNXI_CCU_GATE(bus_ehci0_clk, "bus-ehci0", "ahb1",
0x060, BIT(26), 0);
static SUNXI_CCU_GATE(bus_ehci1_clk, "bus-ehci1", "ahb1",
0x060, BIT(27), 0);
static SUNXI_CCU_GATE(bus_ehci2_clk, "bus-ehci2", "ahb1",
0x060, BIT(28), 0);
static SUNXI_CCU_GATE(bus_ohci0_clk, "bus-ohci0", "ahb1",
0x060, BIT(29), 0);
static SUNXI_CCU_GATE(bus_ohci1_clk, "bus-ohci1", "ahb1",
0x060, BIT(30), 0);
static SUNXI_CCU_GATE(bus_ohci2_clk, "bus-ohci2", "ahb1",
0x060, BIT(31), 0);
static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "ahb1",
0x064, BIT(0), 0);
static SUNXI_CCU_GATE(bus_mp_clk, "bus-mp", "ahb1",
0x064, BIT(2), 0);
static SUNXI_CCU_GATE(bus_deinterlace_clk, "bus-deinterlace", "ahb1",
0x064, BIT(5), 0);
static SUNXI_CCU_GATE(bus_csi0_clk, "bus-csi0", "ahb1",
0x064, BIT(8), 0);
static SUNXI_CCU_GATE(bus_csi1_clk, "bus-csi1", "ahb1",
0x064, BIT(9), 0);
static SUNXI_CCU_GATE(bus_hdmi0_clk, "bus-hdmi0", "ahb1",
0x064, BIT(10), 0);
static SUNXI_CCU_GATE(bus_hdmi1_clk, "bus-hdmi1", "ahb1",
0x064, BIT(11), 0);
static SUNXI_CCU_GATE(bus_de_clk, "bus-de", "ahb1",
0x064, BIT(12), 0);
static SUNXI_CCU_GATE(bus_tve0_clk, "bus-tve0", "ahb1",
0x064, BIT(13), 0);
static SUNXI_CCU_GATE(bus_tve1_clk, "bus-tve1", "ahb1",
0x064, BIT(14), 0);
static SUNXI_CCU_GATE(bus_tve_top_clk, "bus-tve-top", "ahb1",
0x064, BIT(15), 0);
static SUNXI_CCU_GATE(bus_gmac_clk, "bus-gmac", "ahb1",
0x064, BIT(17), 0);
static SUNXI_CCU_GATE(bus_gpu_clk, "bus-gpu", "ahb1",
0x064, BIT(20), 0);
static SUNXI_CCU_GATE(bus_tvd0_clk, "bus-tvd0", "ahb1",
0x064, BIT(21), 0);
static SUNXI_CCU_GATE(bus_tvd1_clk, "bus-tvd1", "ahb1",
0x064, BIT(22), 0);
static SUNXI_CCU_GATE(bus_tvd2_clk, "bus-tvd2", "ahb1",
0x064, BIT(23), 0);
static SUNXI_CCU_GATE(bus_tvd3_clk, "bus-tvd3", "ahb1",
0x064, BIT(24), 0);
static SUNXI_CCU_GATE(bus_tvd_top_clk, "bus-tvd-top", "ahb1",
0x064, BIT(25), 0);
static SUNXI_CCU_GATE(bus_tcon_lcd0_clk, "bus-tcon-lcd0", "ahb1",
0x064, BIT(26), 0);
static SUNXI_CCU_GATE(bus_tcon_lcd1_clk, "bus-tcon-lcd1", "ahb1",
0x064, BIT(27), 0);
static SUNXI_CCU_GATE(bus_tcon_tv0_clk, "bus-tcon-tv0", "ahb1",
0x064, BIT(28), 0);
static SUNXI_CCU_GATE(bus_tcon_tv1_clk, "bus-tcon-tv1", "ahb1",
0x064, BIT(29), 0);
static SUNXI_CCU_GATE(bus_tcon_top_clk, "bus-tcon-top", "ahb1",
0x064, BIT(30), 0);
static SUNXI_CCU_GATE(bus_codec_clk, "bus-codec", "apb1",
0x068, BIT(0), 0);
static SUNXI_CCU_GATE(bus_spdif_clk, "bus-spdif", "apb1",
0x068, BIT(1), 0);
static SUNXI_CCU_GATE(bus_ac97_clk, "bus-ac97", "apb1",
0x068, BIT(2), 0);
static SUNXI_CCU_GATE(bus_pio_clk, "bus-pio", "apb1",
0x068, BIT(5), 0);
static SUNXI_CCU_GATE(bus_ir0_clk, "bus-ir0", "apb1",
0x068, BIT(6), 0);
static SUNXI_CCU_GATE(bus_ir1_clk, "bus-ir1", "apb1",
0x068, BIT(7), 0);
static SUNXI_CCU_GATE(bus_ths_clk, "bus-ths", "apb1",
0x068, BIT(8), 0);
static SUNXI_CCU_GATE(bus_keypad_clk, "bus-keypad", "apb1",
0x068, BIT(10), 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_i2s2_clk, "bus-i2s2", "apb1",
0x068, BIT(14), 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_i2c3_clk, "bus-i2c3", "apb2",
0x06c, BIT(3), 0);
/*
* In datasheet here's "Reserved", however the gate exists in BSP soucre
* code.
*/
static SUNXI_CCU_GATE(bus_can_clk, "bus-can", "apb2",
0x06c, BIT(4), 0);
static SUNXI_CCU_GATE(bus_scr_clk, "bus-scr", "apb2",
0x06c, BIT(5), 0);
static SUNXI_CCU_GATE(bus_ps20_clk, "bus-ps20", "apb2",
0x06c, BIT(6), 0);
static SUNXI_CCU_GATE(bus_ps21_clk, "bus-ps21", "apb2",
0x06c, BIT(7), 0);
static SUNXI_CCU_GATE(bus_i2c4_clk, "bus-i2c4", "apb2",
0x06c, BIT(15), 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 SUNXI_CCU_GATE(bus_uart5_clk, "bus-uart5", "apb2",
0x06c, BIT(21), 0);
static SUNXI_CCU_GATE(bus_uart6_clk, "bus-uart6", "apb2",
0x06c, BIT(22), 0);
static SUNXI_CCU_GATE(bus_uart7_clk, "bus-uart7", "apb2",
0x06c, BIT(23), 0);
static SUNXI_CCU_GATE(bus_dbg_clk, "bus-dbg", "ahb1",
0x070, BIT(7), 0);
static const char * const ths_parents[] = { "osc24M" };
static struct ccu_div ths_clk = {
.enable = BIT(31),
.div = _SUNXI_CCU_DIV_FLAGS(0, 2, CLK_DIVIDER_POWER_OF_TWO),
.mux = _SUNXI_CCU_MUX(24, 2),
.common = {
.reg = 0x074,
.hw.init = CLK_HW_INIT_PARENTS("ths",
ths_parents,
&ccu_div_ops,
0),
},
};
static const char * const mod0_default_parents[] = { "osc24M", "pll-periph0",
"pll-periph1" };
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_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_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_MP_WITH_MUX_GATE(mmc3_clk, "mmc3", mod0_default_parents, 0x094,
0, 4, /* M */
16, 2, /* P */
24, 2, /* mux */
BIT(31), /* gate */
0);
static const char * const ts_parents[] = { "osc24M", "pll-periph0", };
static SUNXI_CCU_MP_WITH_MUX_GATE(ts_clk, "ts", ts_parents, 0x098,
0, 4, /* M */
16, 2, /* P */
24, 4, /* mux */
BIT(31), /* gate */
0);
static const char * const ce_parents[] = { "osc24M", "pll-periph0-2x",
"pll-periph1-2x" };
static SUNXI_CCU_MP_WITH_MUX_GATE(ce_clk, "ce", ce_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 SUNXI_CCU_MP_WITH_MUX_GATE(spi2_clk, "spi2", mod0_default_parents, 0x0a8,
0, 4, /* M */
16, 2, /* P */
24, 2, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_MP_WITH_MUX_GATE(spi3_clk, "spi3", mod0_default_parents, 0x0ac,
0, 4, /* M */
16, 2, /* P */
24, 2, /* mux */
BIT(31), /* gate */
0);
static const char * const i2s_parents[] = { "pll-audio-8x", "pll-audio-4x",
"pll-audio-2x", "pll-audio" };
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);
static SUNXI_CCU_MUX_WITH_GATE(i2s2_clk, "i2s2", i2s_parents,
0x0b8, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_MUX_WITH_GATE(ac97_clk, "ac97", i2s_parents,
0x0bc, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_MUX_WITH_GATE(spdif_clk, "spdif", i2s_parents,
0x0c0, 16, 2, BIT(31), CLK_SET_RATE_PARENT);
static const char * const keypad_parents[] = { "osc24M", "osc32k" };
static const u8 keypad_table[] = { 0, 2 };
static struct ccu_mp keypad_clk = {
.enable = BIT(31),
.m = _SUNXI_CCU_DIV(0, 5),
.p = _SUNXI_CCU_DIV(16, 2),
.mux = _SUNXI_CCU_MUX_TABLE(24, 2, keypad_table),
.common = {
.reg = 0x0c4,
.hw.init = CLK_HW_INIT_PARENTS("keypad",
keypad_parents,
&ccu_mp_ops,
0),
}
};
static const char * const sata_parents[] = { "pll-sata-out", "sata-ext" };
static SUNXI_CCU_MUX_WITH_GATE(sata_clk, "sata", sata_parents,
0x0c8, 24, 1, BIT(31), CLK_SET_RATE_PARENT);
/*
* There are 3 OHCI 12M clock source selection bits in this register.
* We will force them to 0 (12M divided from 48M).
*/
#define SUN8I_R40_USB_CLK_REG 0x0cc
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_phy2_clk, "usb-phy2", "osc24M",
0x0cc, BIT(10), 0);
static SUNXI_CCU_GATE(usb_ohci0_clk, "usb-ohci0", "osc12M",
0x0cc, BIT(16), 0);
static SUNXI_CCU_GATE(usb_ohci1_clk, "usb-ohci1", "osc12M",
0x0cc, BIT(17), 0);
static SUNXI_CCU_GATE(usb_ohci2_clk, "usb-ohci2", "osc12M",
0x0cc, BIT(18), 0);
static const char * const ir_parents[] = { "osc24M", "pll-periph0",
"pll-periph1", "osc32k" };
static SUNXI_CCU_MP_WITH_MUX_GATE(ir0_clk, "ir0", ir_parents, 0x0d0,
0, 4, /* M */
16, 2, /* P */
24, 2, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_MP_WITH_MUX_GATE(ir1_clk, "ir1", ir_parents, 0x0d4,
0, 4, /* M */
16, 2, /* P */
24, 2, /* mux */
BIT(31), /* gate */
0);
static const char * const dram_parents[] = { "pll-ddr0", "pll-ddr1" };
static SUNXI_CCU_M_WITH_MUX(dram_clk, "dram", dram_parents,
0x0f4, 0, 2, 20, 2, CLK_IS_CRITICAL);
static SUNXI_CCU_GATE(dram_ve_clk, "dram-ve", "dram",
0x100, BIT(0), 0);
static SUNXI_CCU_GATE(dram_csi0_clk, "dram-csi0", "dram",
0x100, BIT(1), 0);
static SUNXI_CCU_GATE(dram_csi1_clk, "dram-csi1", "dram",
0x100, BIT(2), 0);
static SUNXI_CCU_GATE(dram_ts_clk, "dram-ts", "dram",
0x100, BIT(3), 0);
static SUNXI_CCU_GATE(dram_tvd_clk, "dram-tvd", "dram",
0x100, BIT(4), 0);
static SUNXI_CCU_GATE(dram_mp_clk, "dram-mp", "dram",
0x100, BIT(5), 0);
static SUNXI_CCU_GATE(dram_deinterlace_clk, "dram-deinterlace", "dram",
0x100, BIT(6), 0);
static const char * const de_parents[] = { "pll-periph0-2x", "pll-de" };
static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents,
0x104, 0, 4, 24, 3, BIT(31),
CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_MUX_GATE(mp_clk, "mp", de_parents,
0x108, 0, 4, 24, 3, BIT(31), 0);
static const char * const tcon_parents[] = { "pll-video0", "pll-video1",
"pll-video0-2x", "pll-video1-2x",
"pll-mipi" };
static SUNXI_CCU_MUX_WITH_GATE(tcon_lcd0_clk, "tcon-lcd0", tcon_parents,
0x110, 24, 3, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_MUX_WITH_GATE(tcon_lcd1_clk, "tcon-lcd1", tcon_parents,
0x114, 24, 3, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_MUX_GATE(tcon_tv0_clk, "tcon-tv0", tcon_parents,
0x118, 0, 4, 24, 3, BIT(31),
CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_MUX_GATE(tcon_tv1_clk, "tcon-tv1", tcon_parents,
0x11c, 0, 4, 24, 3, BIT(31),
CLK_SET_RATE_PARENT);
static const char * const deinterlace_parents[] = { "pll-periph0",
"pll-periph1" };
static SUNXI_CCU_M_WITH_MUX_GATE(deinterlace_clk, "deinterlace",
deinterlace_parents, 0x124, 0, 4, 24, 3,
BIT(31), 0);
static const char * const csi_mclk_parents[] = { "osc24M", "pll-video1",
"pll-periph1" };
static SUNXI_CCU_M_WITH_MUX_GATE(csi1_mclk_clk, "csi1-mclk", csi_mclk_parents,
0x130, 0, 5, 8, 3, BIT(15), 0);
static const char * const csi_sclk_parents[] = { "pll-periph0", "pll-periph1" };
static SUNXI_CCU_M_WITH_MUX_GATE(csi_sclk_clk, "csi-sclk", csi_sclk_parents,
0x134, 16, 4, 24, 3, BIT(31), 0);
static SUNXI_CCU_M_WITH_MUX_GATE(csi0_mclk_clk, "csi0-mclk", csi_mclk_parents,
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(codec_clk, "codec", "pll-audio",
0x140, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M",
0x144, BIT(31), 0);
static const char * const hdmi_parents[] = { "pll-video0", "pll-video1" };
static SUNXI_CCU_M_WITH_MUX_GATE(hdmi_clk, "hdmi", hdmi_parents,
0x150, 0, 4, 24, 2, BIT(31),
CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(hdmi_slow_clk, "hdmi-slow", "osc24M",
0x154, BIT(31), 0);
/*
* In the SoC's user manual, the P factor is mentioned, but not used in
* the frequency formula.
*
* Here the factor is included, according to the BSP kernel source,
* which contains the P factor of this clock.
*/
static const char * const mbus_parents[] = { "osc24M", "pll-periph0-2x",
"pll-ddr0" };
static SUNXI_CCU_MP_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents, 0x15c,
0, 4, /* M */
16, 2, /* P */
24, 2, /* mux */
BIT(31), /* gate */
CLK_IS_CRITICAL);
static const char * const dsi_dphy_parents[] = { "pll-video0", "pll-video1",
"pll-periph0" };
static SUNXI_CCU_M_WITH_MUX_GATE(dsi_dphy_clk, "dsi-dphy", dsi_dphy_parents,
0x168, 0, 4, 8, 2, BIT(15), 0);
static SUNXI_CCU_M_WITH_MUX_GATE(tve0_clk, "tve0", tcon_parents,
0x180, 0, 4, 24, 3, BIT(31), 0);
static SUNXI_CCU_M_WITH_MUX_GATE(tve1_clk, "tve1", tcon_parents,
0x184, 0, 4, 24, 3, BIT(31), 0);
static const char * const tvd_parents[] = { "pll-video0", "pll-video1",
"pll-video0-2x", "pll-video1-2x" };
static SUNXI_CCU_M_WITH_MUX_GATE(tvd0_clk, "tvd0", tvd_parents,
0x188, 0, 4, 24, 3, BIT(31), 0);
static SUNXI_CCU_M_WITH_MUX_GATE(tvd1_clk, "tvd1", tvd_parents,
0x18c, 0, 4, 24, 3, BIT(31), 0);
static SUNXI_CCU_M_WITH_MUX_GATE(tvd2_clk, "tvd2", tvd_parents,
0x190, 0, 4, 24, 3, BIT(31), 0);
static SUNXI_CCU_M_WITH_MUX_GATE(tvd3_clk, "tvd3", tvd_parents,
0x194, 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 out_parents[] = { "osc24M", "osc32k", "osc24M" };
static const struct ccu_mux_fixed_prediv out_predivs[] = {
{ .index = 0, .div = 750, },
};
static struct ccu_mp outa_clk = {
.enable = BIT(31),
.m = _SUNXI_CCU_DIV(8, 5),
.p = _SUNXI_CCU_DIV(20, 2),
.mux = {
.shift = 24,
.width = 2,
.fixed_predivs = out_predivs,
.n_predivs = ARRAY_SIZE(out_predivs),
},
.common = {
.reg = 0x1f0,
.features = CCU_FEATURE_FIXED_PREDIV,
.hw.init = CLK_HW_INIT_PARENTS("outa", out_parents,
&ccu_mp_ops,
CLK_SET_RATE_PARENT),
}
};
static struct ccu_mp outb_clk = {
.enable = BIT(31),
.m = _SUNXI_CCU_DIV(8, 5),
.p = _SUNXI_CCU_DIV(20, 2),
.mux = {
.shift = 24,
.width = 2,
.fixed_predivs = out_predivs,
.n_predivs = ARRAY_SIZE(out_predivs),
},
.common = {
.reg = 0x1f4,
.features = CCU_FEATURE_FIXED_PREDIV,
.hw.init = CLK_HW_INIT_PARENTS("outb", out_parents,
&ccu_mp_ops,
CLK_SET_RATE_PARENT),
}
};
static struct ccu_common *sun8i_r40_ccu_clks[] = {
&pll_cpu_clk.common,
&pll_audio_base_clk.common,
&pll_video0_clk.common,
&pll_ve_clk.common,
&pll_ddr0_clk.common,
&pll_periph0_clk.common,
&pll_periph0_sata_clk.common,
&pll_periph1_clk.common,
&pll_video1_clk.common,
&pll_sata_clk.common,
&pll_sata_out_clk.common,
&pll_gpu_clk.common,
&pll_mipi_clk.common,
&pll_de_clk.common,
&pll_ddr1_clk.common,
&cpu_clk.common,
&axi_clk.common,
&ahb1_clk.common,
&apb1_clk.common,
&apb2_clk.common,
&bus_mipi_dsi_clk.common,
&bus_ce_clk.common,
&bus_dma_clk.common,
&bus_mmc0_clk.common,
&bus_mmc1_clk.common,
&bus_mmc2_clk.common,
&bus_mmc3_clk.common,
&bus_nand_clk.common,
&bus_dram_clk.common,
&bus_emac_clk.common,
&bus_ts_clk.common,
&bus_hstimer_clk.common,
&bus_spi0_clk.common,
&bus_spi1_clk.common,
&bus_spi2_clk.common,
&bus_spi3_clk.common,
&bus_sata_clk.common,
&bus_otg_clk.common,
&bus_ehci0_clk.common,
&bus_ehci1_clk.common,
&bus_ehci2_clk.common,
&bus_ohci0_clk.common,
&bus_ohci1_clk.common,
&bus_ohci2_clk.common,
&bus_ve_clk.common,
&bus_mp_clk.common,
&bus_deinterlace_clk.common,
&bus_csi0_clk.common,
&bus_csi1_clk.common,
&bus_hdmi0_clk.common,
&bus_hdmi1_clk.common,
&bus_de_clk.common,
&bus_tve0_clk.common,
&bus_tve1_clk.common,
&bus_tve_top_clk.common,
&bus_gmac_clk.common,
&bus_gpu_clk.common,
&bus_tvd0_clk.common,
&bus_tvd1_clk.common,
&bus_tvd2_clk.common,
&bus_tvd3_clk.common,
&bus_tvd_top_clk.common,
&bus_tcon_lcd0_clk.common,
&bus_tcon_lcd1_clk.common,
&bus_tcon_tv0_clk.common,
&bus_tcon_tv1_clk.common,
&bus_tcon_top_clk.common,
&bus_codec_clk.common,
&bus_spdif_clk.common,
&bus_ac97_clk.common,
&bus_pio_clk.common,
&bus_ir0_clk.common,
&bus_ir1_clk.common,
&bus_ths_clk.common,
&bus_keypad_clk.common,
&bus_i2s0_clk.common,
&bus_i2s1_clk.common,
&bus_i2s2_clk.common,
&bus_i2c0_clk.common,
&bus_i2c1_clk.common,
&bus_i2c2_clk.common,
&bus_i2c3_clk.common,
&bus_can_clk.common,
&bus_scr_clk.common,
&bus_ps20_clk.common,
&bus_ps21_clk.common,
&bus_i2c4_clk.common,
&bus_uart0_clk.common,
&bus_uart1_clk.common,
&bus_uart2_clk.common,
&bus_uart3_clk.common,
&bus_uart4_clk.common,
&bus_uart5_clk.common,
&bus_uart6_clk.common,
&bus_uart7_clk.common,
&bus_dbg_clk.common,
&ths_clk.common,
&nand_clk.common,
&mmc0_clk.common,
&mmc1_clk.common,
&mmc2_clk.common,
&mmc3_clk.common,
&ts_clk.common,
&ce_clk.common,
&spi0_clk.common,
&spi1_clk.common,
&spi2_clk.common,
&spi3_clk.common,
&i2s0_clk.common,
&i2s1_clk.common,
&i2s2_clk.common,
&ac97_clk.common,
&spdif_clk.common,
&keypad_clk.common,
&sata_clk.common,
&usb_phy0_clk.common,
&usb_phy1_clk.common,
&usb_phy2_clk.common,
&usb_ohci0_clk.common,
&usb_ohci1_clk.common,
&usb_ohci2_clk.common,
&ir0_clk.common,
&ir1_clk.common,
&dram_clk.common,
&dram_ve_clk.common,
&dram_csi0_clk.common,
&dram_csi1_clk.common,
&dram_ts_clk.common,
&dram_tvd_clk.common,
&dram_mp_clk.common,
&dram_deinterlace_clk.common,
&de_clk.common,
&mp_clk.common,
&tcon_lcd0_clk.common,
&tcon_lcd1_clk.common,
&tcon_tv0_clk.common,
&tcon_tv1_clk.common,
&deinterlace_clk.common,
&csi1_mclk_clk.common,
&csi_sclk_clk.common,
&csi0_mclk_clk.common,
&ve_clk.common,
&codec_clk.common,
&avs_clk.common,
&hdmi_clk.common,
&hdmi_slow_clk.common,
&mbus_clk.common,
&dsi_dphy_clk.common,
&tve0_clk.common,
&tve1_clk.common,
&tvd0_clk.common,
&tvd1_clk.common,
&tvd2_clk.common,
&tvd3_clk.common,
&gpu_clk.common,
&outa_clk.common,
&outb_clk.common,
};
/* Fixed Factor clocks */
static CLK_FIXED_FACTOR_FW_NAME(osc12M_clk, "osc12M", "hosc", 2, 1, 0);
static const struct clk_hw *clk_parent_pll_audio[] = {
&pll_audio_base_clk.common.hw
};
/* 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_periph0_2x_clk, "pll-periph0-2x",
&pll_periph0_clk.common.hw,
1, 2, 0);
static CLK_FIXED_FACTOR_HW(pll_periph1_2x_clk, "pll-periph1-2x",
&pll_periph1_clk.common.hw,
1, 2, 0);
static CLK_FIXED_FACTOR_HW(pll_video0_2x_clk, "pll-video0-2x",
&pll_video0_clk.common.hw,
1, 2, 0);
static CLK_FIXED_FACTOR_HW(pll_video1_2x_clk, "pll-video1-2x",
&pll_video1_clk.common.hw,
1, 2, 0);
static struct clk_hw_onecell_data sun8i_r40_hw_clks = {
.hws = {
[CLK_OSC_12M] = &osc12M_clk.hw,
[CLK_PLL_CPU] = &pll_cpu_clk.common.hw,
[CLK_PLL_AUDIO_BASE] = &pll_audio_base_clk.common.hw,
[CLK_PLL_AUDIO] = &pll_audio_clk.hw,
[CLK_PLL_AUDIO_2X] = &pll_audio_2x_clk.hw,
[CLK_PLL_AUDIO_4X] = &pll_audio_4x_clk.hw,
[CLK_PLL_AUDIO_8X] = &pll_audio_8x_clk.hw,
[CLK_PLL_VIDEO0] = &pll_video0_clk.common.hw,
[CLK_PLL_VIDEO0_2X] = &pll_video0_2x_clk.hw,
[CLK_PLL_VE] = &pll_ve_clk.common.hw,
[CLK_PLL_DDR0] = &pll_ddr0_clk.common.hw,
[CLK_PLL_PERIPH0] = &pll_periph0_clk.common.hw,
[CLK_PLL_PERIPH0_SATA] = &pll_periph0_sata_clk.common.hw,
[CLK_PLL_PERIPH0_2X] = &pll_periph0_2x_clk.hw,
[CLK_PLL_PERIPH1] = &pll_periph1_clk.common.hw,
[CLK_PLL_PERIPH1_2X] = &pll_periph1_2x_clk.hw,
[CLK_PLL_VIDEO1] = &pll_video1_clk.common.hw,
[CLK_PLL_VIDEO1_2X] = &pll_video1_2x_clk.hw,
[CLK_PLL_SATA] = &pll_sata_clk.common.hw,
[CLK_PLL_SATA_OUT] = &pll_sata_out_clk.common.hw,
[CLK_PLL_GPU] = &pll_gpu_clk.common.hw,
[CLK_PLL_MIPI] = &pll_mipi_clk.common.hw,
[CLK_PLL_DE] = &pll_de_clk.common.hw,
[CLK_PLL_DDR1] = &pll_ddr1_clk.common.hw,
[CLK_CPU] = &cpu_clk.common.hw,
[CLK_AXI] = &axi_clk.common.hw,
[CLK_AHB1] = &ahb1_clk.common.hw,
[CLK_APB1] = &apb1_clk.common.hw,
[CLK_APB2] = &apb2_clk.common.hw,
[CLK_BUS_MIPI_DSI] = &bus_mipi_dsi_clk.common.hw,
[CLK_BUS_CE] = &bus_ce_clk.common.hw,
[CLK_BUS_DMA] = &bus_dma_clk.common.hw,
[CLK_BUS_MMC0] = &bus_mmc0_clk.common.hw,
[CLK_BUS_MMC1] = &bus_mmc1_clk.common.hw,
[CLK_BUS_MMC2] = &bus_mmc2_clk.common.hw,
[CLK_BUS_MMC3] = &bus_mmc3_clk.common.hw,
[CLK_BUS_NAND] = &bus_nand_clk.common.hw,
[CLK_BUS_DRAM] = &bus_dram_clk.common.hw,
[CLK_BUS_EMAC] = &bus_emac_clk.common.hw,
[CLK_BUS_TS] = &bus_ts_clk.common.hw,
[CLK_BUS_HSTIMER] = &bus_hstimer_clk.common.hw,
[CLK_BUS_SPI0] = &bus_spi0_clk.common.hw,
[CLK_BUS_SPI1] = &bus_spi1_clk.common.hw,
[CLK_BUS_SPI2] = &bus_spi2_clk.common.hw,
[CLK_BUS_SPI3] = &bus_spi3_clk.common.hw,
[CLK_BUS_SATA] = &bus_sata_clk.common.hw,
[CLK_BUS_OTG] = &bus_otg_clk.common.hw,
[CLK_BUS_EHCI0] = &bus_ehci0_clk.common.hw,
[CLK_BUS_EHCI1] = &bus_ehci1_clk.common.hw,
[CLK_BUS_EHCI2] = &bus_ehci2_clk.common.hw,
[CLK_BUS_OHCI0] = &bus_ohci0_clk.common.hw,
[CLK_BUS_OHCI1] = &bus_ohci1_clk.common.hw,
[CLK_BUS_OHCI2] = &bus_ohci2_clk.common.hw,
[CLK_BUS_VE] = &bus_ve_clk.common.hw,
[CLK_BUS_MP] = &bus_mp_clk.common.hw,
[CLK_BUS_DEINTERLACE] = &bus_deinterlace_clk.common.hw,
[CLK_BUS_CSI0] = &bus_csi0_clk.common.hw,
[CLK_BUS_CSI1] = &bus_csi1_clk.common.hw,
[CLK_BUS_HDMI0] = &bus_hdmi0_clk.common.hw,
[CLK_BUS_HDMI1] = &bus_hdmi1_clk.common.hw,
[CLK_BUS_DE] = &bus_de_clk.common.hw,
[CLK_BUS_TVE0] = &bus_tve0_clk.common.hw,
[CLK_BUS_TVE1] = &bus_tve1_clk.common.hw,
[CLK_BUS_TVE_TOP] = &bus_tve_top_clk.common.hw,
[CLK_BUS_GMAC] = &bus_gmac_clk.common.hw,
[CLK_BUS_GPU] = &bus_gpu_clk.common.hw,
[CLK_BUS_TVD0] = &bus_tvd0_clk.common.hw,
[CLK_BUS_TVD1] = &bus_tvd1_clk.common.hw,
[CLK_BUS_TVD2] = &bus_tvd2_clk.common.hw,
[CLK_BUS_TVD3] = &bus_tvd3_clk.common.hw,
[CLK_BUS_TVD_TOP] = &bus_tvd_top_clk.common.hw,
[CLK_BUS_TCON_LCD0] = &bus_tcon_lcd0_clk.common.hw,
[CLK_BUS_TCON_LCD1] = &bus_tcon_lcd1_clk.common.hw,
[CLK_BUS_TCON_TV0] = &bus_tcon_tv0_clk.common.hw,
[CLK_BUS_TCON_TV1] = &bus_tcon_tv1_clk.common.hw,
[CLK_BUS_TCON_TOP] = &bus_tcon_top_clk.common.hw,
[CLK_BUS_CODEC] = &bus_codec_clk.common.hw,
[CLK_BUS_SPDIF] = &bus_spdif_clk.common.hw,
[CLK_BUS_AC97] = &bus_ac97_clk.common.hw,
[CLK_BUS_PIO] = &bus_pio_clk.common.hw,
[CLK_BUS_IR0] = &bus_ir0_clk.common.hw,
[CLK_BUS_IR1] = &bus_ir1_clk.common.hw,
[CLK_BUS_THS] = &bus_ths_clk.common.hw,
[CLK_BUS_KEYPAD] = &bus_keypad_clk.common.hw,
[CLK_BUS_I2S0] = &bus_i2s0_clk.common.hw,
[CLK_BUS_I2S1] = &bus_i2s1_clk.common.hw,
[CLK_BUS_I2S2] = &bus_i2s2_clk.common.hw,
[CLK_BUS_I2C0] = &bus_i2c0_clk.common.hw,
[CLK_BUS_I2C1] = &bus_i2c1_clk.common.hw,
[CLK_BUS_I2C2] = &bus_i2c2_clk.common.hw,
[CLK_BUS_I2C3] = &bus_i2c3_clk.common.hw,
[CLK_BUS_CAN] = &bus_can_clk.common.hw,
[CLK_BUS_SCR] = &bus_scr_clk.common.hw,
[CLK_BUS_PS20] = &bus_ps20_clk.common.hw,
[CLK_BUS_PS21] = &bus_ps21_clk.common.hw,
[CLK_BUS_I2C4] = &bus_i2c4_clk.common.hw,
[CLK_BUS_UART0] = &bus_uart0_clk.common.hw,
[CLK_BUS_UART1] = &bus_uart1_clk.common.hw,
[CLK_BUS_UART2] = &bus_uart2_clk.common.hw,
[CLK_BUS_UART3] = &bus_uart3_clk.common.hw,
[CLK_BUS_UART4] = &bus_uart4_clk.common.hw,
[CLK_BUS_UART5] = &bus_uart5_clk.common.hw,
[CLK_BUS_UART6] = &bus_uart6_clk.common.hw,
[CLK_BUS_UART7] = &bus_uart7_clk.common.hw,
[CLK_BUS_DBG] = &bus_dbg_clk.common.hw,
[CLK_THS] = &ths_clk.common.hw,
[CLK_NAND] = &nand_clk.common.hw,
[CLK_MMC0] = &mmc0_clk.common.hw,
[CLK_MMC1] = &mmc1_clk.common.hw,
[CLK_MMC2] = &mmc2_clk.common.hw,
[CLK_MMC3] = &mmc3_clk.common.hw,
[CLK_TS] = &ts_clk.common.hw,
[CLK_CE] = &ce_clk.common.hw,
[CLK_SPI0] = &spi0_clk.common.hw,
[CLK_SPI1] = &spi1_clk.common.hw,
[CLK_SPI2] = &spi2_clk.common.hw,
[CLK_SPI3] = &spi3_clk.common.hw,
[CLK_I2S0] = &i2s0_clk.common.hw,
[CLK_I2S1] = &i2s1_clk.common.hw,
[CLK_I2S2] = &i2s2_clk.common.hw,
[CLK_AC97] = &ac97_clk.common.hw,
[CLK_SPDIF] = &spdif_clk.common.hw,
[CLK_KEYPAD] = &keypad_clk.common.hw,
[CLK_SATA] = &sata_clk.common.hw,
[CLK_USB_PHY0] = &usb_phy0_clk.common.hw,
[CLK_USB_PHY1] = &usb_phy1_clk.common.hw,
[CLK_USB_PHY2] = &usb_phy2_clk.common.hw,
[CLK_USB_OHCI0] = &usb_ohci0_clk.common.hw,
[CLK_USB_OHCI1] = &usb_ohci1_clk.common.hw,
[CLK_USB_OHCI2] = &usb_ohci2_clk.common.hw,
[CLK_IR0] = &ir0_clk.common.hw,
[CLK_IR1] = &ir1_clk.common.hw,
[CLK_DRAM] = &dram_clk.common.hw,
[CLK_DRAM_VE] = &dram_ve_clk.common.hw,
[CLK_DRAM_CSI0] = &dram_csi0_clk.common.hw,
[CLK_DRAM_CSI1] = &dram_csi1_clk.common.hw,
[CLK_DRAM_TS] = &dram_ts_clk.common.hw,
[CLK_DRAM_TVD] = &dram_tvd_clk.common.hw,
[CLK_DRAM_MP] = &dram_mp_clk.common.hw,
[CLK_DRAM_DEINTERLACE] = &dram_deinterlace_clk.common.hw,
[CLK_DE] = &de_clk.common.hw,
[CLK_MP] = &mp_clk.common.hw,
[CLK_TCON_LCD0] = &tcon_lcd0_clk.common.hw,
[CLK_TCON_LCD1] = &tcon_lcd1_clk.common.hw,
[CLK_TCON_TV0] = &tcon_tv0_clk.common.hw,
[CLK_TCON_TV1] = &tcon_tv1_clk.common.hw,
[CLK_DEINTERLACE] = &deinterlace_clk.common.hw,
[CLK_CSI1_MCLK] = &csi1_mclk_clk.common.hw,
[CLK_CSI_SCLK] = &csi_sclk_clk.common.hw,
[CLK_CSI0_MCLK] = &csi0_mclk_clk.common.hw,
[CLK_VE] = &ve_clk.common.hw,
[CLK_CODEC] = &codec_clk.common.hw,
[CLK_AVS] = &avs_clk.common.hw,
[CLK_HDMI] = &hdmi_clk.common.hw,
[CLK_HDMI_SLOW] = &hdmi_slow_clk.common.hw,
[CLK_MBUS] = &mbus_clk.common.hw,
[CLK_DSI_DPHY] = &dsi_dphy_clk.common.hw,
[CLK_TVE0] = &tve0_clk.common.hw,
[CLK_TVE1] = &tve1_clk.common.hw,
[CLK_TVD0] = &tvd0_clk.common.hw,
[CLK_TVD1] = &tvd1_clk.common.hw,
[CLK_TVD2] = &tvd2_clk.common.hw,
[CLK_TVD3] = &tvd3_clk.common.hw,
[CLK_GPU] = &gpu_clk.common.hw,
[CLK_OUTA] = &outa_clk.common.hw,
[CLK_OUTB] = &outb_clk.common.hw,
},
.num = CLK_NUMBER,
};
static struct ccu_reset_map sun8i_r40_ccu_resets[] = {
[RST_USB_PHY0] = { 0x0cc, BIT(0) },
[RST_USB_PHY1] = { 0x0cc, BIT(1) },
[RST_USB_PHY2] = { 0x0cc, BIT(2) },
[RST_DRAM] = { 0x0f4, BIT(31) },
[RST_MBUS] = { 0x0fc, BIT(31) },
[RST_BUS_MIPI_DSI] = { 0x2c0, BIT(1) },
[RST_BUS_CE] = { 0x2c0, BIT(5) },
[RST_BUS_DMA] = { 0x2c0, BIT(6) },
[RST_BUS_MMC0] = { 0x2c0, BIT(8) },
[RST_BUS_MMC1] = { 0x2c0, BIT(9) },
[RST_BUS_MMC2] = { 0x2c0, BIT(10) },
[RST_BUS_MMC3] = { 0x2c0, BIT(11) },
[RST_BUS_NAND] = { 0x2c0, BIT(13) },
[RST_BUS_DRAM] = { 0x2c0, BIT(14) },
[RST_BUS_EMAC] = { 0x2c0, BIT(17) },
[RST_BUS_TS] = { 0x2c0, BIT(18) },
[RST_BUS_HSTIMER] = { 0x2c0, BIT(19) },
[RST_BUS_SPI0] = { 0x2c0, BIT(20) },
[RST_BUS_SPI1] = { 0x2c0, BIT(21) },
[RST_BUS_SPI2] = { 0x2c0, BIT(22) },
[RST_BUS_SPI3] = { 0x2c0, BIT(23) },
[RST_BUS_SATA] = { 0x2c0, BIT(24) },
[RST_BUS_OTG] = { 0x2c0, BIT(25) },
[RST_BUS_EHCI0] = { 0x2c0, BIT(26) },
[RST_BUS_EHCI1] = { 0x2c0, BIT(27) },
[RST_BUS_EHCI2] = { 0x2c0, BIT(28) },
[RST_BUS_OHCI0] = { 0x2c0, BIT(29) },
[RST_BUS_OHCI1] = { 0x2c0, BIT(30) },
[RST_BUS_OHCI2] = { 0x2c0, BIT(31) },
[RST_BUS_VE] = { 0x2c4, BIT(0) },
[RST_BUS_MP] = { 0x2c4, BIT(2) },
[RST_BUS_DEINTERLACE] = { 0x2c4, BIT(5) },
[RST_BUS_CSI0] = { 0x2c4, BIT(8) },
[RST_BUS_CSI1] = { 0x2c4, BIT(9) },
[RST_BUS_HDMI0] = { 0x2c4, BIT(10) },
[RST_BUS_HDMI1] = { 0x2c4, BIT(11) },
[RST_BUS_DE] = { 0x2c4, BIT(12) },
[RST_BUS_TVE0] = { 0x2c4, BIT(13) },
[RST_BUS_TVE1] = { 0x2c4, BIT(14) },
[RST_BUS_TVE_TOP] = { 0x2c4, BIT(15) },
[RST_BUS_GMAC] = { 0x2c4, BIT(17) },
[RST_BUS_GPU] = { 0x2c4, BIT(20) },
[RST_BUS_TVD0] = { 0x2c4, BIT(21) },
[RST_BUS_TVD1] = { 0x2c4, BIT(22) },
[RST_BUS_TVD2] = { 0x2c4, BIT(23) },
[RST_BUS_TVD3] = { 0x2c4, BIT(24) },
[RST_BUS_TVD_TOP] = { 0x2c4, BIT(25) },
[RST_BUS_TCON_LCD0] = { 0x2c4, BIT(26) },
[RST_BUS_TCON_LCD1] = { 0x2c4, BIT(27) },
[RST_BUS_TCON_TV0] = { 0x2c4, BIT(28) },
[RST_BUS_TCON_TV1] = { 0x2c4, BIT(29) },
[RST_BUS_TCON_TOP] = { 0x2c4, BIT(30) },
[RST_BUS_DBG] = { 0x2c4, BIT(31) },
[RST_BUS_LVDS] = { 0x2c8, BIT(0) },
[RST_BUS_CODEC] = { 0x2d0, BIT(0) },
[RST_BUS_SPDIF] = { 0x2d0, BIT(1) },
[RST_BUS_AC97] = { 0x2d0, BIT(2) },
[RST_BUS_IR0] = { 0x2d0, BIT(6) },
[RST_BUS_IR1] = { 0x2d0, BIT(7) },
[RST_BUS_THS] = { 0x2d0, BIT(8) },
[RST_BUS_KEYPAD] = { 0x2d0, BIT(10) },
[RST_BUS_I2S0] = { 0x2d0, BIT(12) },
[RST_BUS_I2S1] = { 0x2d0, BIT(13) },
[RST_BUS_I2S2] = { 0x2d0, BIT(14) },
[RST_BUS_I2C0] = { 0x2d8, BIT(0) },
[RST_BUS_I2C1] = { 0x2d8, BIT(1) },
[RST_BUS_I2C2] = { 0x2d8, BIT(2) },
[RST_BUS_I2C3] = { 0x2d8, BIT(3) },
[RST_BUS_CAN] = { 0x2d8, BIT(4) },
[RST_BUS_SCR] = { 0x2d8, BIT(5) },
[RST_BUS_PS20] = { 0x2d8, BIT(6) },
[RST_BUS_PS21] = { 0x2d8, BIT(7) },
[RST_BUS_I2C4] = { 0x2d8, BIT(15) },
[RST_BUS_UART0] = { 0x2d8, BIT(16) },
[RST_BUS_UART1] = { 0x2d8, BIT(17) },
[RST_BUS_UART2] = { 0x2d8, BIT(18) },
[RST_BUS_UART3] = { 0x2d8, BIT(19) },
[RST_BUS_UART4] = { 0x2d8, BIT(20) },
[RST_BUS_UART5] = { 0x2d8, BIT(21) },
[RST_BUS_UART6] = { 0x2d8, BIT(22) },
[RST_BUS_UART7] = { 0x2d8, BIT(23) },
};
static const struct sunxi_ccu_desc sun8i_r40_ccu_desc = {
.ccu_clks = sun8i_r40_ccu_clks,
.num_ccu_clks = ARRAY_SIZE(sun8i_r40_ccu_clks),
.hw_clks = &sun8i_r40_hw_clks,
.resets = sun8i_r40_ccu_resets,
.num_resets = ARRAY_SIZE(sun8i_r40_ccu_resets),
};
static struct ccu_pll_nb sun8i_r40_pll_cpu_nb = {
.common = &pll_cpu_clk.common,
/* copy from pll_cpu_clk */
.enable = BIT(31),
.lock = BIT(28),
};
static struct ccu_mux_nb sun8i_r40_cpu_nb = {
.common = &cpu_clk.common,
.cm = &cpu_clk.mux,
.delay_us = 1, /* > 8 clock cycles at 24 MHz */
.bypass_index = 1, /* index of 24 MHz oscillator */
};
/*
* Add a regmap for the GMAC driver (dwmac-sun8i) to access the
* GMAC configuration register.
* Only this register is allowed to be written, in order to
* prevent overriding critical clock configuration.
*/
#define SUN8I_R40_GMAC_CFG_REG 0x164
static bool sun8i_r40_ccu_regmap_accessible_reg(struct device *dev,
unsigned int reg)
{
if (reg == SUN8I_R40_GMAC_CFG_REG)
return true;
return false;
}
static const struct regmap_config sun8i_r40_ccu_regmap_config = {
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
.max_register = 0x320, /* PLL_LOCK_CTRL_REG */
/* other devices have no business accessing other registers */
.readable_reg = sun8i_r40_ccu_regmap_accessible_reg,
.writeable_reg = sun8i_r40_ccu_regmap_accessible_reg,
};
#define SUN8I_R40_SYS_32K_CLK_REG 0x310
#define SUN8I_R40_SYS_32K_CLK_KEY (0x16AA << 16)
static int sun8i_r40_ccu_probe(struct platform_device *pdev)
{
struct regmap *regmap;
void __iomem *reg;
u32 val;
int ret;
reg = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(reg))
return PTR_ERR(reg);
/* Force the PLL-Audio-1x divider to 1 */
val = readl(reg + SUN8I_R40_PLL_AUDIO_REG);
val &= ~GENMASK(19, 16);
writel(val | (0 << 16), reg + SUN8I_R40_PLL_AUDIO_REG);
/* Force PLL-MIPI to MIPI mode */
val = readl(reg + SUN8I_R40_PLL_MIPI_REG);
val &= ~BIT(16);
writel(val, reg + SUN8I_R40_PLL_MIPI_REG);
/* Force OHCI 12M parent to 12M divided from 48M */
val = readl(reg + SUN8I_R40_USB_CLK_REG);
val &= ~GENMASK(25, 20);
writel(val, reg + SUN8I_R40_USB_CLK_REG);
/*
* Force SYS 32k (otherwise known as LOSC throughout the CCU)
* clock parent to LOSC output from RTC module instead of the
* CCU's internal RC oscillator divided output.
*/
writel(SUN8I_R40_SYS_32K_CLK_KEY | BIT(8),
reg + SUN8I_R40_SYS_32K_CLK_REG);
regmap = devm_regmap_init_mmio(&pdev->dev, reg,
&sun8i_r40_ccu_regmap_config);
if (IS_ERR(regmap))
return PTR_ERR(regmap);
ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun8i_r40_ccu_desc);
if (ret)
return ret;
/* Gate then ungate PLL CPU after any rate changes */
ccu_pll_notifier_register(&sun8i_r40_pll_cpu_nb);
/* Reparent CPU during PLL CPU rate changes */
ccu_mux_notifier_register(pll_cpu_clk.common.hw.clk,
&sun8i_r40_cpu_nb);
return 0;
}
static const struct of_device_id sun8i_r40_ccu_ids[] = {
{ .compatible = "allwinner,sun8i-r40-ccu" },
{ }
};
MODULE_DEVICE_TABLE(of, sun8i_r40_ccu_ids);
static struct platform_driver sun8i_r40_ccu_driver = {
.probe = sun8i_r40_ccu_probe,
.driver = {
.name = "sun8i-r40-ccu",
.suppress_bind_attrs = true,
.of_match_table = sun8i_r40_ccu_ids,
},
};
module_platform_driver(sun8i_r40_ccu_driver);
MODULE_IMPORT_NS(SUNXI_CCU);
MODULE_DESCRIPTION("Support for the Allwinner R40 CCU");
MODULE_LICENSE("GPL");
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