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gem5 / arm / linux / 74784da82ff74379d0583a3ffe42835888705ac7 / . / drivers / clk / sunxi-ng / ccu-sun8i-a83t.c
blob: e43acebdfbcdbe98d67009e4a98ae0619181018a [file] [log] [blame]
/*
* Copyright (c) 2017 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_mux.h"
#include "ccu_nkmp.h"
#include "ccu_nm.h"
#include "ccu_phase.h"
#include "ccu-sun8i-a83t.h"
#define CCU_SUN8I_A83T_LOCK_REG 0x20c
/*
* 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 SUN8I_A83T_PLL_C0CPUX_REG 0x000
#define SUN8I_A83T_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 = SUN8I_A83T_PLL_C0CPUX_REG,
.lock_reg = CCU_SUN8I_A83T_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 = SUN8I_A83T_PLL_C1CPUX_REG,
.lock_reg = CCU_SUN8I_A83T_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 the default for them,
* which is d1 = 0, d2 = 1.
*/
#define SUN8I_A83T_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(0, 6),
.common = {
.reg = SUN8I_A83T_PLL_AUDIO_REG,
.lock_reg = CCU_SUN8I_A83T_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 / P. Model them as NKMP with no K */
static struct ccu_nkmp pll_video0_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(0, 2), /* output divider */
.common = {
.reg = 0x010,
.lock_reg = CCU_SUN8I_A83T_LOCK_REG,
.features = CCU_FEATURE_LOCK_REG,
.hw.init = CLK_HW_INIT("pll-video0", "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 = 0x018,
.lock_reg = CCU_SUN8I_A83T_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_MIN(8, 8, 12),
.m = _SUNXI_CCU_DIV(16, 1), /* input divider */
.p = _SUNXI_CCU_DIV(18, 1), /* output divider */
.common = {
.reg = 0x020,
.lock_reg = CCU_SUN8I_A83T_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_nkmp pll_periph_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 */
.p = _SUNXI_CCU_DIV(18, 1), /* output divider */
.common = {
.reg = 0x028,
.lock_reg = CCU_SUN8I_A83T_LOCK_REG,
.features = CCU_FEATURE_LOCK_REG,
.hw.init = CLK_HW_INIT("pll-periph", "osc24M",
&ccu_nkmp_ops,
CLK_SET_RATE_UNGATE),
},
};
static struct ccu_nkmp pll_gpu_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(18, 1), /* output divider */
.common = {
.reg = 0x038,
.lock_reg = CCU_SUN8I_A83T_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_hsic_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 = 0x044,
.lock_reg = CCU_SUN8I_A83T_LOCK_REG,
.features = CCU_FEATURE_LOCK_REG,
.hw.init = CLK_HW_INIT("pll-hsic", "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 = 0x048,
.lock_reg = CCU_SUN8I_A83T_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_video1_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(0, 2), /* external divider p */
.common = {
.reg = 0x04c,
.lock_reg = CCU_SUN8I_A83T_LOCK_REG,
.features = CCU_FEATURE_LOCK_REG,
.hw.init = CLK_HW_INIT("pll-video1", "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, 12, 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, 28, 1, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL);
static SUNXI_CCU_M(axi0_clk, "axi0", "c0cpux", 0x050, 0, 2, 0);
static SUNXI_CCU_M(axi1_clk, "axi1", "c1cpux", 0x050, 16, 2, 0);
static const char * const ahb1_parents[] = { "osc16M-d512", "osc24M",
"pll-periph",
"pll-periph" };
static const struct ccu_mux_var_prediv ahb1_predivs[] = {
{ .index = 2, .shift = 6, .width = 2 },
{ .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,
.hw.init = CLK_HW_INIT_PARENTS("ahb1",
ahb1_parents,
&ccu_div_ops,
0),
},
};
static SUNXI_CCU_M(apb1_clk, "apb1", "ahb1", 0x054, 8, 2, 0);
static const char * const apb2_parents[] = { "osc16M-d512", "osc24M",
"pll-periph", "pll-periph" };
static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", apb2_parents, 0x058,
0, 5, /* M */
16, 2, /* P */
24, 2, /* mux */
0);
static const char * const ahb2_parents[] = { "ahb1", "pll-periph" };
static const struct ccu_mux_fixed_prediv ahb2_prediv = {
.index = 1, .div = 2
};
static struct ccu_mux ahb2_clk = {
.mux = {
.shift = 0,
.width = 2,
.fixed_predivs = &ahb2_prediv,
.n_predivs = 1,
},
.common = {
.reg = 0x05c,
.hw.init = CLK_HW_INIT_PARENTS("ahb2",
ahb2_parents,
&ccu_mux_ops,
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_emac_clk, "bus-emac", "ahb2",
0x060, BIT(17), 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_ehci0_clk, "bus-ehci0", "ahb2",
0x060, BIT(26), 0);
static SUNXI_CCU_GATE(bus_ehci1_clk, "bus-ehci1", "ahb2",
0x060, BIT(27), 0);
static SUNXI_CCU_GATE(bus_ohci0_clk, "bus-ohci0", "ahb2",
0x060, BIT(29), 0);
static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "ahb1",
0x064, BIT(0), 0);
static SUNXI_CCU_GATE(bus_tcon0_clk, "bus-tcon0", "ahb1",
0x064, BIT(4), 0);
static SUNXI_CCU_GATE(bus_tcon1_clk, "bus-tcon1", "ahb1",
0x064, BIT(5), 0);
static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi", "ahb1",
0x064, BIT(8), 0);
static SUNXI_CCU_GATE(bus_hdmi_clk, "bus-hdmi", "ahb1",
0x064, BIT(11), 0);
static SUNXI_CCU_GATE(bus_de_clk, "bus-de", "ahb1",
0x064, BIT(12), 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_spdif_clk, "bus-spdif", "apb1",
0x068, BIT(1), 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_i2s2_clk, "bus-i2s2", "apb1",
0x068, BIT(14), 0);
static SUNXI_CCU_GATE(bus_tdm_clk, "bus-tdm", "apb1",
0x068, BIT(15), 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(0), 0);
static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb2",
0x06c, BIT(0), 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 cci400_parents[] = { "osc24M", "pll-periph",
"pll-hsic" };
static struct ccu_div cci400_clk = {
.div = _SUNXI_CCU_DIV_FLAGS(0, 2, 0),
.mux = _SUNXI_CCU_MUX(24, 2),
.common = {
.reg = 0x078,
.hw.init = CLK_HW_INIT_PARENTS("cci400",
cci400_parents,
&ccu_div_ops,
CLK_IS_CRITICAL),
},
};
static const char * const mod0_default_parents[] = { "osc24M", "pll-periph" };
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_MMC_WITH_MUX_GATE(mmc2_clk, "mmc2", mod0_default_parents,
0x090, 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, 4, /* 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, 4, /* mux */
BIT(31), /* gate */
0);
static SUNXI_CCU_M_WITH_GATE(i2s0_clk, "i2s0", "pll-audio",
0x0b0, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_GATE(i2s1_clk, "i2s1", "pll-audio",
0x0b4, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_GATE(i2s2_clk, "i2s2", "pll-audio",
0x0b8, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_GATE(tdm_clk, "tdm", "pll-audio",
0x0bc, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_GATE(spdif_clk, "spdif", "pll-audio",
0x0c0, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
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 struct ccu_gate usb_hsic_12m_clk = {
.enable = BIT(11),
.common = {
.reg = 0x0cc,
.prediv = 2,
.features = CCU_FEATURE_ALL_PREDIV,
.hw.init = CLK_HW_INIT("usb-hsic-12m", "osc24M",
&ccu_gate_ops, 0),
}
};
static SUNXI_CCU_GATE(usb_ohci0_clk, "usb-ohci0", "osc24M",
0x0cc, BIT(16), 0);
/* TODO divider has minimum of 2 */
static SUNXI_CCU_M(dram_clk, "dram", "pll-ddr", 0x0f4, 0, 4, CLK_IS_CRITICAL);
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 const char * const tcon0_parents[] = { "pll-video0" };
static SUNXI_CCU_MUX_WITH_GATE(tcon0_clk, "tcon0", tcon0_parents,
0x118, 24, 3, BIT(31), CLK_SET_RATE_PARENT);
static const char * const tcon1_parents[] = { "pll-video1" };
static SUNXI_CCU_MUX_WITH_GATE(tcon1_clk, "tcon1", tcon1_parents,
0x11c, 24, 3, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(csi_misc_clk, "csi-misc", "osc24M", 0x130, BIT(16), 0);
static SUNXI_CCU_GATE(mipi_csi_clk, "mipi-csi", "osc24M", 0x130, BIT(31), 0);
static const char * const csi_mclk_parents[] = { "pll-de", "osc24M" };
static const u8 csi_mclk_table[] = { 3, 5 };
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_mclk_clk, "csi-mclk",
csi_mclk_parents, csi_mclk_table,
0x134,
0, 5, /* M */
10, 3, /* mux */
BIT(15), /* gate */
0);
static const char * const csi_sclk_parents[] = { "pll-periph", "pll-ve" };
static const u8 csi_sclk_table[] = { 0, 5 };
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_sclk_clk, "csi-sclk",
csi_sclk_parents, csi_sclk_table,
0x134,
16, 4, /* M */
24, 3, /* mux */
BIT(31), /* gate */
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(avs_clk, "avs", "osc24M", 0x144, BIT(31), 0);
static const char * const hdmi_parents[] = { "pll-video1" };
static SUNXI_CCU_M_WITH_MUX_GATE(hdmi_clk, "hdmi", hdmi_parents,
0x150,
0, 4, /* M */
24, 2, /* mux */
BIT(31), /* gate */
CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(hdmi_slow_clk, "hdmi-slow", "osc24M", 0x154, BIT(31), 0);
static const char * const mbus_parents[] = { "osc24M", "pll-periph",
"pll-ddr" };
static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents,
0x15c,
0, 3, /* M */
24, 2, /* mux */
BIT(31), /* gate */
CLK_IS_CRITICAL);
static const char * const mipi_dsi0_parents[] = { "pll-video0" };
static const u8 mipi_dsi0_table[] = { 8 };
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(mipi_dsi0_clk, "mipi-dsi0",
mipi_dsi0_parents, mipi_dsi0_table,
0x168,
0, 4, /* M */
24, 4, /* mux */
BIT(31), /* gate */
CLK_SET_RATE_PARENT);
static const char * const mipi_dsi1_parents[] = { "osc24M", "pll-video0" };
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,
0x16c,
0, 4, /* M */
24, 4, /* mux */
BIT(31), /* gate */
CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_GATE(gpu_core_clk, "gpu-core", "pll-gpu", 0x1a0,
0, 3, BIT(31), CLK_SET_RATE_PARENT);
static const char * const gpu_memory_parents[] = { "pll-gpu", "pll-ddr" };
static SUNXI_CCU_M_WITH_MUX_GATE(gpu_memory_clk, "gpu-memory",
gpu_memory_parents,
0x1a4,
0, 3, /* M */
24, 1, /* mux */
BIT(31), /* gate */
CLK_SET_RATE_PARENT);
static SUNXI_CCU_M_WITH_GATE(gpu_hyd_clk, "gpu-hyd", "pll-gpu", 0x1a8,
0, 3, BIT(31), CLK_SET_RATE_PARENT);
static struct ccu_common *sun8i_a83t_ccu_clks[] = {
&pll_c0cpux_clk.common,
&pll_c1cpux_clk.common,
&pll_audio_clk.common,
&pll_video0_clk.common,
&pll_ve_clk.common,
&pll_ddr_clk.common,
&pll_periph_clk.common,
&pll_gpu_clk.common,
&pll_hsic_clk.common,
&pll_de_clk.common,
&pll_video1_clk.common,
&c0cpux_clk.common,
&c1cpux_clk.common,
&axi0_clk.common,
&axi1_clk.common,
&ahb1_clk.common,
&ahb2_clk.common,
&apb1_clk.common,
&apb2_clk.common,
&bus_mipi_dsi_clk.common,
&bus_ss_clk.common,
&bus_dma_clk.common,
&bus_mmc0_clk.common,
&bus_mmc1_clk.common,
&bus_mmc2_clk.common,
&bus_nand_clk.common,
&bus_dram_clk.common,
&bus_emac_clk.common,
&bus_hstimer_clk.common,
&bus_spi0_clk.common,
&bus_spi1_clk.common,
&bus_otg_clk.common,
&bus_ehci0_clk.common,
&bus_ehci1_clk.common,
&bus_ohci0_clk.common,
&bus_ve_clk.common,
&bus_tcon0_clk.common,
&bus_tcon1_clk.common,
&bus_csi_clk.common,
&bus_hdmi_clk.common,
&bus_de_clk.common,
&bus_gpu_clk.common,
&bus_msgbox_clk.common,
&bus_spinlock_clk.common,
&bus_spdif_clk.common,
&bus_pio_clk.common,
&bus_i2s0_clk.common,
&bus_i2s1_clk.common,
&bus_i2s2_clk.common,
&bus_tdm_clk.common,
&bus_i2c0_clk.common,
&bus_i2c1_clk.common,
&bus_i2c2_clk.common,
&bus_uart0_clk.common,
&bus_uart1_clk.common,
&bus_uart2_clk.common,
&bus_uart3_clk.common,
&bus_uart4_clk.common,
&cci400_clk.common,
&nand_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,
&ss_clk.common,
&spi0_clk.common,
&spi1_clk.common,
&i2s0_clk.common,
&i2s1_clk.common,
&i2s2_clk.common,
&tdm_clk.common,
&spdif_clk.common,
&usb_phy0_clk.common,
&usb_phy1_clk.common,
&usb_hsic_clk.common,
&usb_hsic_12m_clk.common,
&usb_ohci0_clk.common,
&dram_clk.common,
&dram_ve_clk.common,
&dram_csi_clk.common,
&tcon0_clk.common,
&tcon1_clk.common,
&csi_misc_clk.common,
&mipi_csi_clk.common,
&csi_mclk_clk.common,
&csi_sclk_clk.common,
&ve_clk.common,
&avs_clk.common,
&hdmi_clk.common,
&hdmi_slow_clk.common,
&mbus_clk.common,
&mipi_dsi0_clk.common,
&mipi_dsi1_clk.common,
&gpu_core_clk.common,
&gpu_memory_clk.common,
&gpu_hyd_clk.common,
};
static struct clk_hw_onecell_data sun8i_a83t_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_VIDEO0] = &pll_video0_clk.common.hw,
[CLK_PLL_VE] = &pll_ve_clk.common.hw,
[CLK_PLL_DDR] = &pll_ddr_clk.common.hw,
[CLK_PLL_PERIPH] = &pll_periph_clk.common.hw,
[CLK_PLL_GPU] = &pll_gpu_clk.common.hw,
[CLK_PLL_HSIC] = &pll_hsic_clk.common.hw,
[CLK_PLL_DE] = &pll_de_clk.common.hw,
[CLK_PLL_VIDEO1] = &pll_video1_clk.common.hw,
[CLK_C0CPUX] = &c0cpux_clk.common.hw,
[CLK_C1CPUX] = &c1cpux_clk.common.hw,
[CLK_AXI0] = &axi0_clk.common.hw,
[CLK_AXI1] = &axi1_clk.common.hw,
[CLK_AHB1] = &ahb1_clk.common.hw,
[CLK_AHB2] = &ahb2_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_SS] = &bus_ss_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_NAND] = &bus_nand_clk.common.hw,
[CLK_BUS_DRAM] = &bus_dram_clk.common.hw,
[CLK_BUS_EMAC] = &bus_emac_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_OTG] = &bus_otg_clk.common.hw,
[CLK_BUS_EHCI0] = &bus_ehci0_clk.common.hw,
[CLK_BUS_EHCI1] = &bus_ehci1_clk.common.hw,
[CLK_BUS_OHCI0] = &bus_ohci0_clk.common.hw,
[CLK_BUS_VE] = &bus_ve_clk.common.hw,
[CLK_BUS_TCON0] = &bus_tcon0_clk.common.hw,
[CLK_BUS_TCON1] = &bus_tcon1_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_GPU] = &bus_gpu_clk.common.hw,
[CLK_BUS_MSGBOX] = &bus_msgbox_clk.common.hw,
[CLK_BUS_SPINLOCK] = &bus_spinlock_clk.common.hw,
[CLK_BUS_SPDIF] = &bus_spdif_clk.common.hw,
[CLK_BUS_PIO] = &bus_pio_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_TDM] = &bus_tdm_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_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_CCI400] = &cci400_clk.common.hw,
[CLK_NAND] = &nand_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_SS] = &ss_clk.common.hw,
[CLK_SPI0] = &spi0_clk.common.hw,
[CLK_SPI1] = &spi1_clk.common.hw,
[CLK_I2S0] = &i2s0_clk.common.hw,
[CLK_I2S1] = &i2s1_clk.common.hw,
[CLK_I2S2] = &i2s2_clk.common.hw,
[CLK_TDM] = &tdm_clk.common.hw,
[CLK_SPDIF] = &spdif_clk.common.hw,
[CLK_USB_PHY0] = &usb_phy0_clk.common.hw,
[CLK_USB_PHY1] = &usb_phy1_clk.common.hw,
[CLK_USB_HSIC] = &usb_hsic_clk.common.hw,
[CLK_USB_HSIC_12M] = &usb_hsic_12m_clk.common.hw,
[CLK_USB_OHCI0] = &usb_ohci0_clk.common.hw,
[CLK_DRAM] = &dram_clk.common.hw,
[CLK_DRAM_VE] = &dram_ve_clk.common.hw,
[CLK_DRAM_CSI] = &dram_csi_clk.common.hw,
[CLK_TCON0] = &tcon0_clk.common.hw,
[CLK_TCON1] = &tcon1_clk.common.hw,
[CLK_CSI_MISC] = &csi_misc_clk.common.hw,
[CLK_MIPI_CSI] = &mipi_csi_clk.common.hw,
[CLK_CSI_MCLK] = &csi_mclk_clk.common.hw,
[CLK_CSI_SCLK] = &csi_sclk_clk.common.hw,
[CLK_VE] = &ve_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_MIPI_DSI0] = &mipi_dsi0_clk.common.hw,
[CLK_MIPI_DSI1] = &mipi_dsi1_clk.common.hw,
[CLK_GPU_CORE] = &gpu_core_clk.common.hw,
[CLK_GPU_MEMORY] = &gpu_memory_clk.common.hw,
[CLK_GPU_HYD] = &gpu_hyd_clk.common.hw,
},
.num = CLK_NUMBER,
};
static struct ccu_reset_map sun8i_a83t_ccu_resets[] = {
[RST_USB_PHY0] = { 0x0cc, BIT(0) },
[RST_USB_PHY1] = { 0x0cc, BIT(1) },
[RST_USB_HSIC] = { 0x0cc, BIT(2) },
[RST_DRAM] = { 0x0f4, BIT(31) },
[RST_MBUS] = { 0x0fc, BIT(31) },
[RST_BUS_MIPI_DSI] = { 0x2c0, BIT(1) },
[RST_BUS_SS] = { 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_NAND] = { 0x2c0, BIT(13) },
[RST_BUS_DRAM] = { 0x2c0, BIT(14) },
[RST_BUS_EMAC] = { 0x2c0, BIT(17) },
[RST_BUS_HSTIMER] = { 0x2c0, BIT(19) },
[RST_BUS_SPI0] = { 0x2c0, BIT(20) },
[RST_BUS_SPI1] = { 0x2c0, BIT(21) },
[RST_BUS_OTG] = { 0x2c0, BIT(24) },
[RST_BUS_EHCI0] = { 0x2c0, BIT(26) },
[RST_BUS_EHCI1] = { 0x2c0, BIT(27) },
[RST_BUS_OHCI0] = { 0x2c0, BIT(29) },
[RST_BUS_VE] = { 0x2c4, BIT(0) },
[RST_BUS_TCON0] = { 0x2c4, BIT(4) },
[RST_BUS_TCON1] = { 0x2c4, BIT(5) },
[RST_BUS_CSI] = { 0x2c4, BIT(8) },
[RST_BUS_HDMI0] = { 0x2c4, BIT(10) },
[RST_BUS_HDMI1] = { 0x2c4, BIT(11) },
[RST_BUS_DE] = { 0x2c4, BIT(12) },
[RST_BUS_GPU] = { 0x2c4, BIT(20) },
[RST_BUS_MSGBOX] = { 0x2c4, BIT(21) },
[RST_BUS_SPINLOCK] = { 0x2c4, BIT(22) },
[RST_BUS_LVDS] = { 0x2c8, BIT(0) },
[RST_BUS_SPDIF] = { 0x2d0, BIT(1) },
[RST_BUS_I2S0] = { 0x2d0, BIT(12) },
[RST_BUS_I2S1] = { 0x2d0, BIT(13) },
[RST_BUS_I2S2] = { 0x2d0, BIT(14) },
[RST_BUS_TDM] = { 0x2d0, BIT(15) },
[RST_BUS_I2C0] = { 0x2d8, BIT(0) },
[RST_BUS_I2C1] = { 0x2d8, BIT(1) },
[RST_BUS_I2C2] = { 0x2d8, BIT(2) },
[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) },
};
static const struct sunxi_ccu_desc sun8i_a83t_ccu_desc = {
.ccu_clks = sun8i_a83t_ccu_clks,
.num_ccu_clks = ARRAY_SIZE(sun8i_a83t_ccu_clks),
.hw_clks = &sun8i_a83t_hw_clks,
.resets = sun8i_a83t_ccu_resets,
.num_resets = ARRAY_SIZE(sun8i_a83t_ccu_resets),
};
#define SUN8I_A83T_PLL_P_SHIFT 16
#define SUN8I_A83T_PLL_N_SHIFT 8
#define SUN8I_A83T_PLL_N_WIDTH 8
static void sun8i_a83t_cpu_pll_fixup(void __iomem *reg)
{
u32 val = readl(reg);
/* bail out if P divider is not used */
if (!(val & BIT(SUN8I_A83T_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(SUN8I_A83T_PLL_N_SHIFT + SUN8I_A83T_PLL_N_WIDTH - 1,
SUN8I_A83T_PLL_N_SHIFT);
val |= 17 << SUN8I_A83T_PLL_N_SHIFT;
/* And clear P */
val &= ~BIT(SUN8I_A83T_PLL_P_SHIFT);
writel(val, reg);
}
static int sun8i_a83t_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 + SUN8I_A83T_PLL_AUDIO_REG);
val &= ~(BIT(16) | BIT(18));
writel(val, reg + SUN8I_A83T_PLL_AUDIO_REG);
/* Enforce P = 1 for both CPU cluster PLLs */
sun8i_a83t_cpu_pll_fixup(reg + SUN8I_A83T_PLL_C0CPUX_REG);
sun8i_a83t_cpu_pll_fixup(reg + SUN8I_A83T_PLL_C1CPUX_REG);
return sunxi_ccu_probe(pdev->dev.of_node, reg, &sun8i_a83t_ccu_desc);
}
static const struct of_device_id sun8i_a83t_ccu_ids[] = {
{ .compatible = "allwinner,sun8i-a83t-ccu" },
{ }
};
static struct platform_driver sun8i_a83t_ccu_driver = {
.probe = sun8i_a83t_ccu_probe,
.driver = {
.name = "sun8i-a83t-ccu",
.of_match_table = sun8i_a83t_ccu_ids,
},
};
builtin_platform_driver(sun8i_a83t_ccu_driver);