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kernel_samsung_a34x-permissive/drivers/clk/sunxi-ng/ccu-sun9i-a80.c

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Import A346BXXU1AWB9 kernel source Android 13
2024-04-28 06:49:01 -07:00
/*
* Copyright (c) 2016 Chen-Yu Tsai. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/clk-provider.h>
#include <linux/of_address.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_nkmp.h"
#include "ccu_nm.h"
#include "ccu_phase.h"
#include "ccu-sun9i-a80.h"
#define CCU_SUN9I_LOCK_REG 0x09c
/*
* The CPU PLLs are actually NP clocks, with P being /1 or /4. However
* P should only be used for output frequencies lower than 228 MHz.
* Neither mainline Linux, U-boot, nor the vendor BSPs use these.
*
* For now we can just model it as a multiplier clock, and force P to /1.
*/
#define SUN9I_A80_PLL_C0CPUX_REG 0x000
#define SUN9I_A80_PLL_C1CPUX_REG 0x004
static struct ccu_mult pll_c0cpux_clk = {
.enable = BIT(31),
.lock = BIT(0),
.mult = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
.common = {
.reg = SUN9I_A80_PLL_C0CPUX_REG,
.lock_reg = CCU_SUN9I_LOCK_REG,
.features = CCU_FEATURE_LOCK_REG,
.hw.init = CLK_HW_INIT("pll-c0cpux", "osc24M",
&ccu_mult_ops,
CLK_SET_RATE_UNGATE),
},
};
static struct ccu_mult pll_c1cpux_clk = {
.enable = BIT(31),
.lock = BIT(1),
.mult = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
.common = {
.reg = SUN9I_A80_PLL_C1CPUX_REG,
.lock_reg = CCU_SUN9I_LOCK_REG,
.features = CCU_FEATURE_LOCK_REG,
.hw.init = CLK_HW_INIT("pll-c1cpux", "osc24M",
&ccu_mult_ops,
CLK_SET_RATE_UNGATE),
},
};
/*
* The Audio PLL has d1, d2 dividers in addition to the usual N, M
* factors. Since we only need 2 frequencies from this PLL: 22.5792 MHz
* and 24.576 MHz, ignore them for now. Enforce d1 = 0 and d2 = 0.
*/
#define SUN9I_A80_PLL_AUDIO_REG 0x008
static struct ccu_nm pll_audio_clk = {
.enable = BIT(31),
.lock = BIT(2),
.n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
.m = _SUNXI_CCU_DIV_OFFSET(0, 6, 0),
.common = {
.reg = 0x008,
.lock_reg = CCU_SUN9I_LOCK_REG,
.features = CCU_FEATURE_LOCK_REG,
.hw.init = CLK_HW_INIT("pll-audio", "osc24M",
&ccu_nm_ops, CLK_SET_RATE_UNGATE),
},
};
/* Some PLLs are input * N / div1 / div2. Model them as NKMP with no K */
static struct ccu_nkmp pll_periph0_clk = {
.enable = BIT(31),
.lock = BIT(3),
.n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
.m = _SUNXI_CCU_DIV(16, 1), /* input divider */
.p = _SUNXI_CCU_DIV(18, 1), /* output divider */
.common = {
.reg = 0x00c,
.lock_reg = CCU_SUN9I_LOCK_REG,
.features = CCU_FEATURE_LOCK_REG,
.hw.init = CLK_HW_INIT("pll-periph0", "osc24M",
&ccu_nkmp_ops,
CLK_SET_RATE_UNGATE),
},
};
static struct ccu_nkmp pll_ve_clk = {
.enable = BIT(31),
.lock = BIT(4),
.n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
.m = _SUNXI_CCU_DIV(16, 1), /* input divider */
.p = _SUNXI_CCU_DIV(18, 1), /* output divider */
.common = {
.reg = 0x010,
.lock_reg = CCU_SUN9I_LOCK_REG,
.features = CCU_FEATURE_LOCK_REG,
.hw.init = CLK_HW_INIT("pll-ve", "osc24M",
&ccu_nkmp_ops,
CLK_SET_RATE_UNGATE),
},
};
static struct ccu_nkmp pll_ddr_clk = {
.enable = BIT(31),
.lock = BIT(5),
.n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
.m = _SUNXI_CCU_DIV(16, 1), /* input divider */
.p = _SUNXI_CCU_DIV(18, 1), /* output divider */
.common = {
.reg = 0x014,
.lock_reg = CCU_SUN9I_LOCK_REG,
.features = CCU_FEATURE_LOCK_REG,
.hw.init = CLK_HW_INIT("pll-ddr", "osc24M",
&ccu_nkmp_ops,
CLK_SET_RATE_UNGATE),
},
};
static struct ccu_nm pll_video0_clk = {
.enable = BIT(31),
.lock = BIT(6),
.n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
.m = _SUNXI_CCU_DIV(16, 1), /* input divider */
.common = {
.reg = 0x018,
.lock_reg = CCU_SUN9I_LOCK_REG,
.features = CCU_FEATURE_LOCK_REG,
.hw.init = CLK_HW_INIT("pll-video0", "osc24M",
&ccu_nm_ops,
CLK_SET_RATE_UNGATE),
},
};
static struct ccu_nkmp pll_video1_clk = {
.enable = BIT(31),
.lock = BIT(7),
.n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
.m = _SUNXI_CCU_DIV(16, 1), /* input divider */
.p = _SUNXI_CCU_DIV(0, 2), /* external divider p */
.common = {
.reg = 0x01c,
.lock_reg = CCU_SUN9I_LOCK_REG,
.features = CCU_FEATURE_LOCK_REG,
.hw.init = CLK_HW_INIT("pll-video1", "osc24M",
&ccu_nkmp_ops,
CLK_SET_RATE_UNGATE),
},
};
static struct ccu_nkmp pll_gpu_clk = {
.enable = BIT(31),
.lock = BIT(8),
.n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
.m = _SUNXI_CCU_DIV(16, 1), /* input divider */
.p = _SUNXI_CCU_DIV(18, 1), /* output divider */
.common = {
.reg = 0x020,
.lock_reg = CCU_SUN9I_LOCK_REG,
.features = CCU_FEATURE_LOCK_REG,
.hw.init = CLK_HW_INIT("pll-gpu", "osc24M",
&ccu_nkmp_ops,
CLK_SET_RATE_UNGATE),
},
};
static struct ccu_nkmp pll_de_clk = {
.enable = BIT(31),
.lock = BIT(9),
.n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
.m = _SUNXI_CCU_DIV(16, 1), /* input divider */
.p = _SUNXI_CCU_DIV(18, 1), /* output divider */
.common = {
.reg = 0x024,
.lock_reg = CCU_SUN9I_LOCK_REG,
.features = CCU_FEATURE_LOCK_REG,
.hw.init = CLK_HW_INIT("pll-de", "osc24M",
&ccu_nkmp_ops,
CLK_SET_RATE_UNGATE),
},
};
static struct ccu_nkmp pll_isp_clk = {
.enable = BIT(31),
.lock = BIT(10),
.n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
.m = _SUNXI_CCU_DIV(16, 1), /* input divider */
.p = _SUNXI_CCU_DIV(18, 1), /* output divider */
.common = {
.reg = 0x028,
.lock_reg = CCU_SUN9I_LOCK_REG,
.features = CCU_FEATURE_LOCK_REG,
.hw.init = CLK_HW_INIT("pll-isp", "osc24M",
&ccu_nkmp_ops,
CLK_SET_RATE_UNGATE),
},
};
static struct ccu_nkmp pll_periph1_clk = {
.enable = BIT(31),
.lock = BIT(11),
.n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
.m = _SUNXI_CCU_DIV(16, 1), /* input divider */
.p = _SUNXI_CCU_DIV(18, 1), /* output divider */
.common = {
.reg = 0x028,
.lock_reg = CCU_SUN9I_LOCK_REG,
.features = CCU_FEATURE_LOCK_REG,
.hw.init = CLK_HW_INIT("pll-periph1", "osc24M",
&ccu_nkmp_ops,
CLK_SET_RATE_UNGATE),
},
};
static const char * const c0cpux_parents[] = { "osc24M", "pll-c0cpux" };
static SUNXI_CCU_MUX(c0cpux_clk, "c0cpux", c0cpux_parents,
0x50, 0, 1, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL);
static const char * const c1cpux_parents[] = { "osc24M", "pll-c1cpux" };
static SUNXI_CCU_MUX(c1cpux_clk, "c1cpux", c1cpux_parents,
0x50, 8, 1, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL);
static struct clk_div_table axi_div_table[] = {
{ .val = 0, .div = 1 },
{ .val = 1, .div = 2 },
{ .val = 2, .div = 3 },
{ .val = 3, .div = 4 },
{ .val = 4, .div = 4 },
{ .val = 5, .div = 4 },
{ .val = 6, .div = 4 },
{ .val = 7, .div = 4 },
{ /* Sentinel */ },
};
static SUNXI_CCU_M(atb0_clk, "atb0", "c0cpux", 0x054, 8, 2, 0);
static SUNXI_CCU_DIV_TABLE(axi0_clk, "axi0", "c0cpux",
0x054, 0, 3, axi_div_table, 0);
static SUNXI_CCU_M(atb1_clk, "atb1", "c1cpux", 0x058, 8, 2, 0);
static SUNXI_CCU_DIV_TABLE(axi1_clk, "axi1", "c1cpux",
0x058, 0, 3, axi_div_table, 0);
static const char * const gtbus_parents[] = { "osc24M", "pll-periph0",
"pll-periph1", "pll-periph1" };
static SUNXI_CCU_M_WITH_MUX(gtbus_clk, "gtbus", gtbus_parents,
0x05c, 0, 2, 24, 2, CLK_IS_CRITICAL);
static const char * const ahb_parents[] = { "gtbus", "pll-periph0",
"pll-periph1", "pll-periph1" };
static struct ccu_div ahb0_clk = {
.div = _SUNXI_CCU_DIV_FLAGS(0, 2, CLK_DIVIDER_POWER_OF_TWO),
.mux = _SUNXI_CCU_MUX(24, 2),
.common = {
.reg = 0x060,
.hw.init = CLK_HW_INIT_PARENTS("ahb0",
ahb_parents,
&ccu_div_ops,
0),
},
};
static struct ccu_div ahb1_clk = {
.div = _SUNXI_CCU_DIV_FLAGS(0, 2, CLK_DIVIDER_POWER_OF_TWO),
.mux = _SUNXI_CCU_MUX(24, 2),
.common = {
.reg = 0x064,
.hw.init = CLK_HW_INIT_PARENTS("ahb1",
ahb_parents,
&ccu_div_ops,
0),
},
};
static struct ccu_div ahb2_clk = {
.div = _SUNXI_CCU_DIV_FLAGS(0, 2, CLK_DIVIDER_POWER_OF_TWO),
.mux = _SUNXI_CCU_MUX(24, 2),
.common = {
.reg = 0x068,
.hw.init = CLK_HW_INIT_PARENTS("ahb2",
ahb_parents,
&ccu_div_ops,
0),
},
};
static const char * const apb_parents[] = { "osc24M", "pll-periph0" };
static struct ccu_div apb0_clk = {
.div = _SUNXI_CCU_DIV_FLAGS(0, 2, CLK_DIVIDER_POWER_OF_TWO),
.mux = _SUNXI_CCU_MUX(24, 1),
.common = {
.reg = 0x070,
.hw.init = CLK_HW_INIT_PARENTS("apb0",
apb_parents,
&ccu_div_ops,
0),
},
};
static struct ccu_div apb1_clk = {
.div = _SUNXI_CCU_DIV_FLAGS(0, 2, CLK_DIVIDER_POWER_OF_TWO),
.mux = _SUNXI_CCU_MUX(24, 1),
.common = {
.reg = 0x074,
.hw.init = CLK_HW_INIT_PARENTS("apb1",
apb_parents,
&ccu_div_ops,
0),
},
};
static struct ccu_div cci400_clk = {
.div = _SUNXI_CCU_DIV_FLAGS(0, 2, CLK_DIVIDER_POWER_OF_TWO),
.mux = _SUNXI_CCU_MUX(24, 2),
.common = {
.reg = 0x078,
.hw.init = CLK_HW_INIT_PARENTS("cci400",
ahb_parents,
&ccu_div_ops,
CLK_IS_CRITICAL),
},
};
static SUNXI_CCU_M_WITH_MUX_GATE(ats_clk, "ats", apb_parents,
0x080, 0, 3, 24, 2, BIT(31), 0);
static SUNXI_CCU_M_WITH_MUX_GATE(trace_clk, "trace", apb_parents,
0x084, 0, 3, 24, 2, BIT(31), 0);
static const char * const out_parents[] = { "osc24M", "osc32k", "osc24M" };
static const struct ccu_mux_fixed_prediv out_prediv = {
.index = 0, .div = 750
};
static struct ccu_mp out_a_clk = {
.enable = BIT(31),
.m = _SUNXI_CCU_DIV(8, 5),
.p = _SUNXI_CCU_DIV(20, 2),
.mux = {
.shift = 24,
.width = 4,
.fixed_predivs = &out_prediv,
.n_predivs = 1,
},
.common = {
.reg = 0x180,
.features = CCU_FEATURE_FIXED_PREDIV,
.hw.init = CLK_HW_INIT_PARENTS("out-a",
out_parents,
&ccu_mp_ops,
0),
},
};
static struct ccu_mp out_b_clk = {
.enable = BIT(31),
.m = _SUNXI_CCU_DIV(8, 5),
.p = _SUNXI_CCU_DIV(20, 2),
.mux = {
.shift = 24,
.width = 4,
.fixed_predivs = &out_prediv,
.n_predivs = 1,
},
.common = {
.reg = 0x184,
.features = CCU_FEATURE_FIXED_PREDIV,
.hw.init = CLK_HW_INIT_PARENTS("out-b",
out_parents,
&ccu_mp_ops,
0),
},
};
static const char * const mod0_default_parents[] = { "osc24M", "pll-periph0" };
static SUNXI_CCU_MP_WITH_MUX_GATE(nand0_0_clk, "nand0-0", mod0_default_parents,
0x400,
0, 4, /* M */
16, 2, /* P */
24, 4, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_MP_WITH_MUX_GATE(nand0_1_clk, "nand0-1", mod0_default_parents,
0x404,
0, 4, /* M */
16, 2, /* P */
24, 4, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_MP_WITH_MUX_GATE(nand1_0_clk, "nand1-0", mod0_default_parents,
0x408,
0, 4, /* M */
16, 2, /* P */
24, 4, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_MP_WITH_MUX_GATE(nand1_1_clk, "nand1-1", mod0_default_parents,
0x40c,
0, 4, /* M */
16, 2, /* P */
24, 4, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mod0_default_parents,
0x410,
0, 4, /* M */
16, 2, /* P */
24, 4, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_PHASE(mmc0_sample_clk, "mmc0-sample", "mmc0",
0x410, 20, 3, 0);
static SUNXI_CCU_PHASE(mmc0_output_clk, "mmc0-output", "mmc0",
0x410, 8, 3, 0);
static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mod0_default_parents,
0x414,
0, 4, /* M */
16, 2, /* P */
24, 4, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_PHASE(mmc1_sample_clk, "mmc1-sample", "mmc1",
0x414, 20, 3, 0);
static SUNXI_CCU_PHASE(mmc1_output_clk, "mmc1-output", "mmc1",
0x414, 8, 3, 0);
static SUNXI_CCU_MP_WITH_MUX_GATE(mmc2_clk, "mmc2", mod0_default_parents,
0x418,
0, 4, /* M */
16, 2, /* P */
24, 4, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_PHASE(mmc2_sample_clk, "mmc2-sample", "mmc2",
0x418, 20, 3, 0);
static SUNXI_CCU_PHASE(mmc2_output_clk, "mmc2-output", "mmc2",
0x418, 8, 3, 0);
static SUNXI_CCU_MP_WITH_MUX_GATE(mmc3_clk, "mmc3", mod0_default_parents,
0x41c,
0, 4, /* M */
16, 2, /* P */
24, 4, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_PHASE(mmc3_sample_clk, "mmc3-sample", "mmc3",
0x41c, 20, 3, 0);
static SUNXI_CCU_PHASE(mmc3_output_clk, "mmc3-output", "mmc3",
0x41c, 8, 3, 0);
static SUNXI_CCU_MP_WITH_MUX_GATE(ts_clk, "ts", mod0_default_parents,
0x428,
0, 4, /* M */
16, 2, /* P */
24, 4, /* mux */
BIT(31), /* gate */
0);
static const char * const ss_parents[] = { "osc24M", "pll-periph",
"pll-periph1" };
static const u8 ss_table[] = { 0, 1, 13 };
static struct ccu_mp ss_clk = {
.enable = BIT(31),
.m = _SUNXI_CCU_DIV(0, 4),
.p = _SUNXI_CCU_DIV(16, 2),
.mux = _SUNXI_CCU_MUX_TABLE(24, 4, ss_table),
.common = {
.reg = 0x42c,
.hw.init = CLK_HW_INIT_PARENTS("ss",
ss_parents,
&ccu_mp_ops,
0),
},
};
static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", mod0_default_parents,
0x430,
0, 4, /* M */
16, 2, /* P */
24, 4, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents,
0x434,
0, 4, /* M */
16, 2, /* P */
24, 4, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_MP_WITH_MUX_GATE(spi2_clk, "spi2", mod0_default_parents,
0x438,
0, 4, /* M */
16, 2, /* P */
24, 4, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_MP_WITH_MUX_GATE(spi3_clk, "spi3", mod0_default_parents,
0x43c,
0, 4, /* M */
16, 2, /* P */
24, 4, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_M_WITH_GATE(i2s0_clk, "i2s0", "pll-audio",
0x440, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_GATE(i2s1_clk, "i2s1", "pll-audio",
0x444, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_GATE(spdif_clk, "spdif", "pll-audio",
0x44c, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
static const char * const sdram_parents[] = { "pll-periph0", "pll-ddr" };
static const u8 sdram_table[] = { 0, 3 };
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(sdram_clk, "sdram",
sdram_parents, sdram_table,
0x484,
8, 4, /* M */
12, 4, /* mux */
0, /* no gate */
CLK_IS_CRITICAL);
static SUNXI_CCU_M_WITH_GATE(de_clk, "de", "pll-de", 0x490,
0, 4, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(edp_clk, "edp", "osc24M", 0x494, BIT(31), 0);
static const char * const mp_parents[] = { "pll-video1", "pll-gpu", "pll-de" };
static const u8 mp_table[] = { 9, 10, 11 };
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(mp_clk, "mp", mp_parents, mp_table,
0x498,
0, 4, /* M */
24, 4, /* mux */
BIT(31), /* gate */
0);
static const char * const display_parents[] = { "pll-video0", "pll-video1" };
static const u8 display_table[] = { 8, 9 };
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(lcd0_clk, "lcd0",
display_parents, display_table,
0x49c,
0, 4, /* M */
24, 4, /* mux */
BIT(31), /* gate */
CLK_SET_RATE_NO_REPARENT |
CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(lcd1_clk, "lcd1",
display_parents, display_table,
0x4a0,
0, 4, /* M */
24, 4, /* mux */
BIT(31), /* gate */
CLK_SET_RATE_NO_REPARENT |
CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(mipi_dsi0_clk, "mipi-dsi0",
display_parents, display_table,
0x4a8,
0, 4, /* M */
24, 4, /* mux */
BIT(31), /* gate */
CLK_SET_RATE_PARENT);
static const char * const mipi_dsi1_parents[] = { "osc24M", "pll-video1" };
static const u8 mipi_dsi1_table[] = { 0, 9 };
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(mipi_dsi1_clk, "mipi-dsi1",
mipi_dsi1_parents, mipi_dsi1_table,
0x4ac,
0, 4, /* M */
24, 4, /* mux */
BIT(31), /* gate */
CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(hdmi_clk, "hdmi",
display_parents, display_table,
0x4b0,
0, 4, /* M */
24, 4, /* mux */
BIT(31), /* gate */
CLK_SET_RATE_NO_REPARENT |
CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(hdmi_slow_clk, "hdmi-slow", "osc24M", 0x4b4, BIT(31), 0);
static SUNXI_CCU_M_WITH_GATE(mipi_csi_clk, "mipi-csi", "osc24M", 0x4bc,
0, 4, BIT(31), 0);
static SUNXI_CCU_M_WITH_GATE(csi_isp_clk, "csi-isp", "pll-isp", 0x4c0,
0, 4, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(csi_misc_clk, "csi-misc", "osc24M", 0x4c0, BIT(16), 0);
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi0_mclk_clk, "csi0-mclk",
mipi_dsi1_parents, mipi_dsi1_table,
0x4c4,
0, 4, /* M */
24, 4, /* mux */
BIT(31), /* gate */
CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi1_mclk_clk, "csi1-mclk",
mipi_dsi1_parents, mipi_dsi1_table,
0x4c8,
0, 4, /* M */
24, 4, /* mux */
BIT(31), /* gate */
CLK_SET_RATE_PARENT);
static const char * const fd_parents[] = { "pll-periph0", "pll-isp" };
static const u8 fd_table[] = { 1, 12 };
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(fd_clk, "fd", fd_parents, fd_table,
0x4cc,
0, 4, /* M */
24, 4, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve", 0x4d0,
16, 3, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M", 0x4d4, BIT(31), 0);
static SUNXI_CCU_M_WITH_GATE(gpu_core_clk, "gpu-core", "pll-gpu", 0x4f0,
0, 3, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_GATE(gpu_memory_clk, "gpu-memory", "pll-gpu", 0x4f4,
0, 3, BIT(31), CLK_SET_RATE_PARENT);
static const char * const gpu_axi_parents[] = { "pll-periph0", "pll-gpu" };
static const u8 gpu_axi_table[] = { 1, 10 };
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(gpu_axi_clk, "gpu-axi",
gpu_axi_parents, gpu_axi_table,
0x4f8,
0, 4, /* M */
24, 4, /* mux */
BIT(31), /* gate */
CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_GATE(sata_clk, "sata", "pll-periph0", 0x500,
0, 4, BIT(31), 0);
static SUNXI_CCU_M_WITH_GATE(ac97_clk, "ac97", "pll-audio",
0x504, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_MUX_GATE(mipi_hsi_clk, "mipi-hsi",
mod0_default_parents, 0x508,
0, 4, /* M */
24, 4, /* mux */
BIT(31), /* gate */
0);
static const char * const gpadc_parents[] = { "osc24M", "pll-audio", "osc32k" };
static const u8 gpadc_table[] = { 0, 4, 7 };
static struct ccu_mp gpadc_clk = {
.enable = BIT(31),
.m = _SUNXI_CCU_DIV(0, 4),
.p = _SUNXI_CCU_DIV(16, 2),
.mux = _SUNXI_CCU_MUX_TABLE(24, 4, gpadc_table),
.common = {
.reg = 0x50c,
.hw.init = CLK_HW_INIT_PARENTS("gpadc",
gpadc_parents,
&ccu_mp_ops,
0),
},
};
static const char * const cir_tx_parents[] = { "osc24M", "osc32k" };
static const u8 cir_tx_table[] = { 0, 7 };
static struct ccu_mp cir_tx_clk = {
.enable = BIT(31),
.m = _SUNXI_CCU_DIV(0, 4),
.p = _SUNXI_CCU_DIV(16, 2),
.mux = _SUNXI_CCU_MUX_TABLE(24, 4, cir_tx_table),
.common = {
.reg = 0x510,
.hw.init = CLK_HW_INIT_PARENTS("cir-tx",
cir_tx_parents,
&ccu_mp_ops,
0),
},
};
/* AHB0 bus gates */
static SUNXI_CCU_GATE(bus_fd_clk, "bus-fd", "ahb0",
0x580, BIT(0), 0);
static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "ahb0",
0x580, BIT(1), 0);
static SUNXI_CCU_GATE(bus_gpu_ctrl_clk, "bus-gpu-ctrl", "ahb0",
0x580, BIT(3), 0);
static SUNXI_CCU_GATE(bus_ss_clk, "bus-ss", "ahb0",
0x580, BIT(5), 0);
static SUNXI_CCU_GATE(bus_mmc_clk, "bus-mmc", "ahb0",
0x580, BIT(8), 0);
static SUNXI_CCU_GATE(bus_nand0_clk, "bus-nand0", "ahb0",
0x580, BIT(12), 0);
static SUNXI_CCU_GATE(bus_nand1_clk, "bus-nand1", "ahb0",
0x580, BIT(13), 0);
static SUNXI_CCU_GATE(bus_sdram_clk, "bus-sdram", "ahb0",
0x580, BIT(14), 0);
static SUNXI_CCU_GATE(bus_mipi_hsi_clk, "bus-mipi-hsi", "ahb0",
0x580, BIT(15), 0);
static SUNXI_CCU_GATE(bus_sata_clk, "bus-sata", "ahb0",
0x580, BIT(16), 0);
static SUNXI_CCU_GATE(bus_ts_clk, "bus-ts", "ahb0",
0x580, BIT(18), 0);
static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb0",
0x580, BIT(20), 0);
static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb0",
0x580, BIT(21), 0);
static SUNXI_CCU_GATE(bus_spi2_clk, "bus-spi2", "ahb0",
0x580, BIT(22), 0);
static SUNXI_CCU_GATE(bus_spi3_clk, "bus-spi3", "ahb0",
0x580, BIT(23), 0);
/* AHB1 bus gates */
static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb1",
0x584, BIT(0), 0);
static SUNXI_CCU_GATE(bus_usb_clk, "bus-usb", "ahb1",
0x584, BIT(1), 0);
static SUNXI_CCU_GATE(bus_gmac_clk, "bus-gmac", "ahb1",
0x584, BIT(17), 0);
static SUNXI_CCU_GATE(bus_msgbox_clk, "bus-msgbox", "ahb1",
0x584, BIT(21), 0);
static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "ahb1",
0x584, BIT(22), 0);
static SUNXI_CCU_GATE(bus_hstimer_clk, "bus-hstimer", "ahb1",
0x584, BIT(23), 0);
static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "ahb1",
0x584, BIT(24), 0);
/* AHB2 bus gates */
static SUNXI_CCU_GATE(bus_lcd0_clk, "bus-lcd0", "ahb2",
0x588, BIT(0), 0);
static SUNXI_CCU_GATE(bus_lcd1_clk, "bus-lcd1", "ahb2",
0x588, BIT(1), 0);
static SUNXI_CCU_GATE(bus_edp_clk, "bus-edp", "ahb2",
0x588, BIT(2), 0);
static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi", "ahb2",
0x588, BIT(4), 0);
static SUNXI_CCU_GATE(bus_hdmi_clk, "bus-hdmi", "ahb2",
0x588, BIT(5), 0);
static SUNXI_CCU_GATE(bus_de_clk, "bus-de", "ahb2",
0x588, BIT(7), 0);
static SUNXI_CCU_GATE(bus_mp_clk, "bus-mp", "ahb2",
0x588, BIT(8), 0);
static SUNXI_CCU_GATE(bus_mipi_dsi_clk, "bus-mipi-dsi", "ahb2",
0x588, BIT(11), 0);
/* APB0 bus gates */
static SUNXI_CCU_GATE(bus_spdif_clk, "bus-spdif", "apb0",
0x590, BIT(1), 0);
static SUNXI_CCU_GATE(bus_pio_clk, "bus-pio", "apb0",
0x590, BIT(5), 0);
static SUNXI_CCU_GATE(bus_ac97_clk, "bus-ac97", "apb0",
0x590, BIT(11), 0);
static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0", "apb0",
0x590, BIT(12), 0);
static SUNXI_CCU_GATE(bus_i2s1_clk, "bus-i2s1", "apb0",
0x590, BIT(13), 0);
static SUNXI_CCU_GATE(bus_lradc_clk, "bus-lradc", "apb0",
0x590, BIT(15), 0);
static SUNXI_CCU_GATE(bus_gpadc_clk, "bus-gpadc", "apb0",
0x590, BIT(17), 0);
static SUNXI_CCU_GATE(bus_twd_clk, "bus-twd", "apb0",
0x590, BIT(18), 0);
static SUNXI_CCU_GATE(bus_cir_tx_clk, "bus-cir-tx", "apb0",
0x590, BIT(19), 0);
/* APB1 bus gates */
static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb1",
0x594, BIT(0), 0);
static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb1",
0x594, BIT(1), 0);
static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb1",
0x594, BIT(2), 0);
static SUNXI_CCU_GATE(bus_i2c3_clk, "bus-i2c3", "apb1",
0x594, BIT(3), 0);
static SUNXI_CCU_GATE(bus_i2c4_clk, "bus-i2c4", "apb1",
0x594, BIT(4), 0);
static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb1",
0x594, BIT(16), 0);
static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb1",
0x594, BIT(17), 0);
static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb1",
0x594, BIT(18), 0);
static SUNXI_CCU_GATE(bus_uart3_clk, "bus-uart3", "apb1",
0x594, BIT(19), 0);
static SUNXI_CCU_GATE(bus_uart4_clk, "bus-uart4", "apb1",
0x594, BIT(20), 0);
static SUNXI_CCU_GATE(bus_uart5_clk, "bus-uart5", "apb1",
0x594, BIT(21), 0);
static struct ccu_common *sun9i_a80_ccu_clks[] = {
&pll_c0cpux_clk.common,
&pll_c1cpux_clk.common,
&pll_audio_clk.common,
&pll_periph0_clk.common,
&pll_ve_clk.common,
&pll_ddr_clk.common,
&pll_video0_clk.common,
&pll_video1_clk.common,
&pll_gpu_clk.common,
&pll_de_clk.common,
&pll_isp_clk.common,
&pll_periph1_clk.common,
&c0cpux_clk.common,
&c1cpux_clk.common,
&atb0_clk.common,
&axi0_clk.common,
&atb1_clk.common,
&axi1_clk.common,
&gtbus_clk.common,
&ahb0_clk.common,
&ahb1_clk.common,
&ahb2_clk.common,
&apb0_clk.common,
&apb1_clk.common,
&cci400_clk.common,
&ats_clk.common,
&trace_clk.common,
&out_a_clk.common,
&out_b_clk.common,
/* module clocks */
&nand0_0_clk.common,
&nand0_1_clk.common,
&nand1_0_clk.common,
&nand1_1_clk.common,
&mmc0_clk.common,
&mmc0_sample_clk.common,
&mmc0_output_clk.common,
&mmc1_clk.common,
&mmc1_sample_clk.common,
&mmc1_output_clk.common,
&mmc2_clk.common,
&mmc2_sample_clk.common,
&mmc2_output_clk.common,
&mmc3_clk.common,
&mmc3_sample_clk.common,
&mmc3_output_clk.common,
&ts_clk.common,
&ss_clk.common,
&spi0_clk.common,
&spi1_clk.common,
&spi2_clk.common,
&spi3_clk.common,
&i2s0_clk.common,
&i2s1_clk.common,
&spdif_clk.common,
&sdram_clk.common,
&de_clk.common,
&edp_clk.common,
&mp_clk.common,
&lcd0_clk.common,
&lcd1_clk.common,
&mipi_dsi0_clk.common,
&mipi_dsi1_clk.common,
&hdmi_clk.common,
&hdmi_slow_clk.common,
&mipi_csi_clk.common,
&csi_isp_clk.common,
&csi_misc_clk.common,
&csi0_mclk_clk.common,
&csi1_mclk_clk.common,
&fd_clk.common,
&ve_clk.common,
&avs_clk.common,
&gpu_core_clk.common,
&gpu_memory_clk.common,
&gpu_axi_clk.common,
&sata_clk.common,
&ac97_clk.common,
&mipi_hsi_clk.common,
&gpadc_clk.common,
&cir_tx_clk.common,
/* AHB0 bus gates */
&bus_fd_clk.common,
&bus_ve_clk.common,
&bus_gpu_ctrl_clk.common,
&bus_ss_clk.common,
&bus_mmc_clk.common,
&bus_nand0_clk.common,
&bus_nand1_clk.common,
&bus_sdram_clk.common,
&bus_mipi_hsi_clk.common,
&bus_sata_clk.common,
&bus_ts_clk.common,
&bus_spi0_clk.common,
&bus_spi1_clk.common,
&bus_spi2_clk.common,
&bus_spi3_clk.common,
/* AHB1 bus gates */
&bus_otg_clk.common,
&bus_usb_clk.common,
&bus_gmac_clk.common,
&bus_msgbox_clk.common,
&bus_spinlock_clk.common,
&bus_hstimer_clk.common,
&bus_dma_clk.common,
/* AHB2 bus gates */
&bus_lcd0_clk.common,
&bus_lcd1_clk.common,
&bus_edp_clk.common,
&bus_csi_clk.common,
&bus_hdmi_clk.common,
&bus_de_clk.common,
&bus_mp_clk.common,
&bus_mipi_dsi_clk.common,
/* APB0 bus gates */
&bus_spdif_clk.common,
&bus_pio_clk.common,
&bus_ac97_clk.common,
&bus_i2s0_clk.common,
&bus_i2s1_clk.common,
&bus_lradc_clk.common,
&bus_gpadc_clk.common,
&bus_twd_clk.common,
&bus_cir_tx_clk.common,
/* APB1 bus gates */
&bus_i2c0_clk.common,
&bus_i2c1_clk.common,
&bus_i2c2_clk.common,
&bus_i2c3_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,
};
static struct clk_hw_onecell_data sun9i_a80_hw_clks = {
.hws = {
[CLK_PLL_C0CPUX] = &pll_c0cpux_clk.common.hw,
[CLK_PLL_C1CPUX] = &pll_c1cpux_clk.common.hw,
[CLK_PLL_AUDIO] = &pll_audio_clk.common.hw,
[CLK_PLL_PERIPH0] = &pll_periph0_clk.common.hw,
[CLK_PLL_VE] = &pll_ve_clk.common.hw,
[CLK_PLL_DDR] = &pll_ddr_clk.common.hw,
[CLK_PLL_VIDEO0] = &pll_video0_clk.common.hw,
[CLK_PLL_VIDEO1] = &pll_video1_clk.common.hw,
[CLK_PLL_GPU] = &pll_gpu_clk.common.hw,
[CLK_PLL_DE] = &pll_de_clk.common.hw,
[CLK_PLL_ISP] = &pll_isp_clk.common.hw,
[CLK_PLL_PERIPH1] = &pll_periph1_clk.common.hw,
[CLK_C0CPUX] = &c0cpux_clk.common.hw,
[CLK_C1CPUX] = &c1cpux_clk.common.hw,
[CLK_ATB0] = &atb0_clk.common.hw,
[CLK_AXI0] = &axi0_clk.common.hw,
[CLK_ATB1] = &atb1_clk.common.hw,
[CLK_AXI1] = &axi1_clk.common.hw,
[CLK_GTBUS] = &gtbus_clk.common.hw,
[CLK_AHB0] = &ahb0_clk.common.hw,
[CLK_AHB1] = &ahb1_clk.common.hw,
[CLK_AHB2] = &ahb2_clk.common.hw,
[CLK_APB0] = &apb0_clk.common.hw,
[CLK_APB1] = &apb1_clk.common.hw,
[CLK_CCI400] = &cci400_clk.common.hw,
[CLK_ATS] = &ats_clk.common.hw,
[CLK_TRACE] = &trace_clk.common.hw,
[CLK_OUT_A] = &out_a_clk.common.hw,
[CLK_OUT_B] = &out_b_clk.common.hw,
[CLK_NAND0_0] = &nand0_0_clk.common.hw,
[CLK_NAND0_1] = &nand0_1_clk.common.hw,
[CLK_NAND1_0] = &nand1_0_clk.common.hw,
[CLK_NAND1_1] = &nand1_1_clk.common.hw,
[CLK_MMC0] = &mmc0_clk.common.hw,
[CLK_MMC0_SAMPLE] = &mmc0_sample_clk.common.hw,
[CLK_MMC0_OUTPUT] = &mmc0_output_clk.common.hw,
[CLK_MMC1] = &mmc1_clk.common.hw,
[CLK_MMC1_SAMPLE] = &mmc1_sample_clk.common.hw,
[CLK_MMC1_OUTPUT] = &mmc1_output_clk.common.hw,
[CLK_MMC2] = &mmc2_clk.common.hw,
[CLK_MMC2_SAMPLE] = &mmc2_sample_clk.common.hw,
[CLK_MMC2_OUTPUT] = &mmc2_output_clk.common.hw,
[CLK_MMC3] = &mmc3_clk.common.hw,
[CLK_MMC3_SAMPLE] = &mmc3_sample_clk.common.hw,
[CLK_MMC3_OUTPUT] = &mmc3_output_clk.common.hw,
[CLK_TS] = &ts_clk.common.hw,
[CLK_SS] = &ss_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_SPDIF] = &spdif_clk.common.hw,
[CLK_SDRAM] = &sdram_clk.common.hw,
[CLK_DE] = &de_clk.common.hw,
[CLK_EDP] = &edp_clk.common.hw,
[CLK_MP] = &mp_clk.common.hw,
[CLK_LCD0] = &lcd0_clk.common.hw,
[CLK_LCD1] = &lcd1_clk.common.hw,
[CLK_MIPI_DSI0] = &mipi_dsi0_clk.common.hw,
[CLK_MIPI_DSI1] = &mipi_dsi1_clk.common.hw,
[CLK_HDMI] = &hdmi_clk.common.hw,
[CLK_HDMI_SLOW] = &hdmi_slow_clk.common.hw,
[CLK_MIPI_CSI] = &mipi_csi_clk.common.hw,
[CLK_CSI_ISP] = &csi_isp_clk.common.hw,
[CLK_CSI_MISC] = &csi_misc_clk.common.hw,
[CLK_CSI0_MCLK] = &csi0_mclk_clk.common.hw,
[CLK_CSI1_MCLK] = &csi1_mclk_clk.common.hw,
[CLK_FD] = &fd_clk.common.hw,
[CLK_VE] = &ve_clk.common.hw,
[CLK_AVS] = &avs_clk.common.hw,
[CLK_GPU_CORE] = &gpu_core_clk.common.hw,
[CLK_GPU_MEMORY] = &gpu_memory_clk.common.hw,
[CLK_GPU_AXI] = &gpu_axi_clk.common.hw,
[CLK_SATA] = &sata_clk.common.hw,
[CLK_AC97] = &ac97_clk.common.hw,
[CLK_MIPI_HSI] = &mipi_hsi_clk.common.hw,
[CLK_GPADC] = &gpadc_clk.common.hw,
[CLK_CIR_TX] = &cir_tx_clk.common.hw,
[CLK_BUS_FD] = &bus_fd_clk.common.hw,
[CLK_BUS_VE] = &bus_ve_clk.common.hw,
[CLK_BUS_GPU_CTRL] = &bus_gpu_ctrl_clk.common.hw,
[CLK_BUS_SS] = &bus_ss_clk.common.hw,
[CLK_BUS_MMC] = &bus_mmc_clk.common.hw,
[CLK_BUS_NAND0] = &bus_nand0_clk.common.hw,
[CLK_BUS_NAND1] = &bus_nand1_clk.common.hw,
[CLK_BUS_SDRAM] = &bus_sdram_clk.common.hw,
[CLK_BUS_MIPI_HSI] = &bus_mipi_hsi_clk.common.hw,
[CLK_BUS_SATA] = &bus_sata_clk.common.hw,
[CLK_BUS_TS] = &bus_ts_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_OTG] = &bus_otg_clk.common.hw,
[CLK_BUS_USB] = &bus_usb_clk.common.hw,
[CLK_BUS_GMAC] = &bus_gmac_clk.common.hw,
[CLK_BUS_MSGBOX] = &bus_msgbox_clk.common.hw,
[CLK_BUS_SPINLOCK] = &bus_spinlock_clk.common.hw,
[CLK_BUS_HSTIMER] = &bus_hstimer_clk.common.hw,
[CLK_BUS_DMA] = &bus_dma_clk.common.hw,
[CLK_BUS_LCD0] = &bus_lcd0_clk.common.hw,
[CLK_BUS_LCD1] = &bus_lcd1_clk.common.hw,
[CLK_BUS_EDP] = &bus_edp_clk.common.hw,
[CLK_BUS_CSI] = &bus_csi_clk.common.hw,
[CLK_BUS_HDMI] = &bus_hdmi_clk.common.hw,
[CLK_BUS_DE] = &bus_de_clk.common.hw,
[CLK_BUS_MP] = &bus_mp_clk.common.hw,
[CLK_BUS_MIPI_DSI] = &bus_mipi_dsi_clk.common.hw,
[CLK_BUS_SPDIF] = &bus_spdif_clk.common.hw,
[CLK_BUS_PIO] = &bus_pio_clk.common.hw,
[CLK_BUS_AC97] = &bus_ac97_clk.common.hw,
[CLK_BUS_I2S0] = &bus_i2s0_clk.common.hw,
[CLK_BUS_I2S1] = &bus_i2s1_clk.common.hw,
[CLK_BUS_LRADC] = &bus_lradc_clk.common.hw,
[CLK_BUS_GPADC] = &bus_gpadc_clk.common.hw,
[CLK_BUS_TWD] = &bus_twd_clk.common.hw,
[CLK_BUS_CIR_TX] = &bus_cir_tx_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_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,
},
.num = CLK_NUMBER,
};
static struct ccu_reset_map sun9i_a80_ccu_resets[] = {
/* AHB0 reset controls */
[RST_BUS_FD] = { 0x5a0, BIT(0) },
[RST_BUS_VE] = { 0x5a0, BIT(1) },
[RST_BUS_GPU_CTRL] = { 0x5a0, BIT(3) },
[RST_BUS_SS] = { 0x5a0, BIT(5) },
[RST_BUS_MMC] = { 0x5a0, BIT(8) },
[RST_BUS_NAND0] = { 0x5a0, BIT(12) },
[RST_BUS_NAND1] = { 0x5a0, BIT(13) },
[RST_BUS_SDRAM] = { 0x5a0, BIT(14) },
[RST_BUS_SATA] = { 0x5a0, BIT(16) },
[RST_BUS_TS] = { 0x5a0, BIT(18) },
[RST_BUS_SPI0] = { 0x5a0, BIT(20) },
[RST_BUS_SPI1] = { 0x5a0, BIT(21) },
[RST_BUS_SPI2] = { 0x5a0, BIT(22) },
[RST_BUS_SPI3] = { 0x5a0, BIT(23) },
/* AHB1 reset controls */
[RST_BUS_OTG] = { 0x5a4, BIT(0) },
[RST_BUS_OTG_PHY] = { 0x5a4, BIT(1) },
[RST_BUS_MIPI_HSI] = { 0x5a4, BIT(9) },
[RST_BUS_GMAC] = { 0x5a4, BIT(17) },
[RST_BUS_MSGBOX] = { 0x5a4, BIT(21) },
[RST_BUS_SPINLOCK] = { 0x5a4, BIT(22) },
[RST_BUS_HSTIMER] = { 0x5a4, BIT(23) },
[RST_BUS_DMA] = { 0x5a4, BIT(24) },
/* AHB2 reset controls */
[RST_BUS_LCD0] = { 0x5a8, BIT(0) },
[RST_BUS_LCD1] = { 0x5a8, BIT(1) },
[RST_BUS_EDP] = { 0x5a8, BIT(2) },
[RST_BUS_LVDS] = { 0x5a8, BIT(3) },
[RST_BUS_CSI] = { 0x5a8, BIT(4) },
[RST_BUS_HDMI0] = { 0x5a8, BIT(5) },
[RST_BUS_HDMI1] = { 0x5a8, BIT(6) },
[RST_BUS_DE] = { 0x5a8, BIT(7) },
[RST_BUS_MP] = { 0x5a8, BIT(8) },
[RST_BUS_GPU] = { 0x5a8, BIT(9) },
[RST_BUS_MIPI_DSI] = { 0x5a8, BIT(11) },
/* APB0 reset controls */
[RST_BUS_SPDIF] = { 0x5b0, BIT(1) },
[RST_BUS_AC97] = { 0x5b0, BIT(11) },
[RST_BUS_I2S0] = { 0x5b0, BIT(12) },
[RST_BUS_I2S1] = { 0x5b0, BIT(13) },
[RST_BUS_LRADC] = { 0x5b0, BIT(15) },
[RST_BUS_GPADC] = { 0x5b0, BIT(17) },
[RST_BUS_CIR_TX] = { 0x5b0, BIT(19) },
/* APB1 reset controls */
[RST_BUS_I2C0] = { 0x5b4, BIT(0) },
[RST_BUS_I2C1] = { 0x5b4, BIT(1) },
[RST_BUS_I2C2] = { 0x5b4, BIT(2) },
[RST_BUS_I2C3] = { 0x5b4, BIT(3) },
[RST_BUS_I2C4] = { 0x5b4, BIT(4) },
[RST_BUS_UART0] = { 0x5b4, BIT(16) },
[RST_BUS_UART1] = { 0x5b4, BIT(17) },
[RST_BUS_UART2] = { 0x5b4, BIT(18) },
[RST_BUS_UART3] = { 0x5b4, BIT(19) },
[RST_BUS_UART4] = { 0x5b4, BIT(20) },
[RST_BUS_UART5] = { 0x5b4, BIT(21) },
};
static const struct sunxi_ccu_desc sun9i_a80_ccu_desc = {
.ccu_clks = sun9i_a80_ccu_clks,
.num_ccu_clks = ARRAY_SIZE(sun9i_a80_ccu_clks),
.hw_clks = &sun9i_a80_hw_clks,
.resets = sun9i_a80_ccu_resets,
.num_resets = ARRAY_SIZE(sun9i_a80_ccu_resets),
};
#define SUN9I_A80_PLL_P_SHIFT 16
#define SUN9I_A80_PLL_N_SHIFT 8
#define SUN9I_A80_PLL_N_WIDTH 8
static void sun9i_a80_cpu_pll_fixup(void __iomem *reg)
{
u32 val = readl(reg);
/* bail out if P divider is not used */
if (!(val & BIT(SUN9I_A80_PLL_P_SHIFT)))
return;
/*
* If P is used, output should be less than 288 MHz. When we
* set P to 1, we should also decrease the multiplier so the
* output doesn't go out of range, but not too much such that
* the multiplier stays above 12, the minimal operation value.
*
* To keep it simple, set the multiplier to 17, the reset value.
*/
val &= ~GENMASK(SUN9I_A80_PLL_N_SHIFT + SUN9I_A80_PLL_N_WIDTH - 1,
SUN9I_A80_PLL_N_SHIFT);
val |= 17 << SUN9I_A80_PLL_N_SHIFT;
/* And clear P */
val &= ~BIT(SUN9I_A80_PLL_P_SHIFT);
writel(val, reg);
}
static int sun9i_a80_ccu_probe(struct platform_device *pdev)
{
struct resource *res;
void __iomem *reg;
u32 val;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
reg = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(reg))
return PTR_ERR(reg);
/* Enforce d1 = 0, d2 = 0 for Audio PLL */
val = readl(reg + SUN9I_A80_PLL_AUDIO_REG);
val &= ~(BIT(16) | BIT(18));
writel(val, reg + SUN9I_A80_PLL_AUDIO_REG);
/* Enforce P = 1 for both CPU cluster PLLs */
sun9i_a80_cpu_pll_fixup(reg + SUN9I_A80_PLL_C0CPUX_REG);
sun9i_a80_cpu_pll_fixup(reg + SUN9I_A80_PLL_C1CPUX_REG);
return sunxi_ccu_probe(pdev->dev.of_node, reg, &sun9i_a80_ccu_desc);
}
static const struct of_device_id sun9i_a80_ccu_ids[] = {
{ .compatible = "allwinner,sun9i-a80-ccu" },
{ }
};
static struct platform_driver sun9i_a80_ccu_driver = {
.probe = sun9i_a80_ccu_probe,
.driver = {
.name = "sun9i-a80-ccu",
.of_match_table = sun9i_a80_ccu_ids,
},
};
builtin_platform_driver(sun9i_a80_ccu_driver);
Reference in a new issue Copy permalink