| /* |
| * Copyright (c) 2016 Maxime Ripard. 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 "ccu_common.h" |
| #include "ccu_reset.h" |
| |
| #include "ccu_div.h" |
| #include "ccu_gate.h" |
| #include "ccu_mp.h" |
| #include "ccu_mult.h" |
| #include "ccu_nk.h" |
| #include "ccu_nkm.h" |
| #include "ccu_nkmp.h" |
| #include "ccu_nm.h" |
| #include "ccu_phase.h" |
| |
| #include "ccu-sun8i-a23-a33.h" |
| |
| static struct ccu_nkmp pll_cpux_clk = { |
| .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-cpux", "osc24M", |
| &ccu_nkmp_ops, |
| 0), |
| }, |
| }; |
| |
| /* |
| * The Audio PLL is supposed to have 4 outputs: 3 fixed factors from |
| * the base (2x, 4x and 8x), and one variable divider (the one true |
| * pll audio). |
| * |
| * We don't have any need for the variable divider for now, so we just |
| * hardcode it to match with the clock names |
| */ |
| #define SUN8I_A33_PLL_AUDIO_REG 0x008 |
| |
| static SUNXI_CCU_NM_WITH_GATE_LOCK(pll_audio_base_clk, "pll-audio-base", |
| "osc24M", 0x008, |
| 8, 7, /* N */ |
| 0, 5, /* M */ |
| BIT(31), /* gate */ |
| BIT(28), /* lock */ |
| CLK_SET_RATE_UNGATE); |
| |
| static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video_clk, "pll-video", |
| "osc24M", 0x010, |
| 8, 7, /* N */ |
| 0, 4, /* M */ |
| BIT(24), /* frac enable */ |
| BIT(25), /* frac select */ |
| 270000000, /* frac rate 0 */ |
| 297000000, /* frac rate 1 */ |
| BIT(31), /* gate */ |
| BIT(28), /* lock */ |
| CLK_SET_RATE_UNGATE); |
| |
| static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk, "pll-ve", |
| "osc24M", 0x018, |
| 8, 7, /* N */ |
| 0, 4, /* M */ |
| BIT(24), /* frac enable */ |
| BIT(25), /* frac select */ |
| 270000000, /* frac rate 0 */ |
| 297000000, /* frac rate 1 */ |
| BIT(31), /* gate */ |
| BIT(28), /* lock */ |
| CLK_SET_RATE_UNGATE); |
| |
| static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_ddr0_clk, "pll-ddr0", |
| "osc24M", 0x020, |
| 8, 5, /* N */ |
| 4, 2, /* K */ |
| 0, 2, /* M */ |
| BIT(31), /* gate */ |
| BIT(28), /* lock */ |
| 0); |
| |
| static SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(pll_periph_clk, "pll-periph", |
| "osc24M", 0x028, |
| 8, 5, /* N */ |
| 4, 2, /* K */ |
| BIT(31), /* gate */ |
| BIT(28), /* lock */ |
| 2, /* post-div */ |
| CLK_SET_RATE_UNGATE); |
| |
| static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_gpu_clk, "pll-gpu", |
| "osc24M", 0x038, |
| 8, 7, /* N */ |
| 0, 4, /* M */ |
| BIT(24), /* frac enable */ |
| BIT(25), /* frac select */ |
| 270000000, /* frac rate 0 */ |
| 297000000, /* frac rate 1 */ |
| BIT(31), /* gate */ |
| BIT(28), /* lock */ |
| CLK_SET_RATE_UNGATE); |
| |
| /* |
| * The MIPI PLL has 2 modes: "MIPI" and "HDMI". |
| * |
| * The MIPI mode is a standard NKM-style clock. The HDMI mode is an |
| * integer / fractional clock with switchable multipliers and dividers. |
| * This is not supported here. We hardcode the PLL to MIPI mode. |
| */ |
| #define SUN8I_A33_PLL_MIPI_REG 0x040 |
| static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_mipi_clk, "pll-mipi", |
| "pll-video", 0x040, |
| 8, 4, /* N */ |
| 4, 2, /* K */ |
| 0, 4, /* M */ |
| BIT(31) | BIT(23) | BIT(22), /* gate */ |
| BIT(28), /* lock */ |
| CLK_SET_RATE_UNGATE); |
| |
| static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_hsic_clk, "pll-hsic", |
| "osc24M", 0x044, |
| 8, 7, /* N */ |
| 0, 4, /* M */ |
| BIT(24), /* frac enable */ |
| BIT(25), /* frac select */ |
| 270000000, /* frac rate 0 */ |
| 297000000, /* frac rate 1 */ |
| BIT(31), /* gate */ |
| BIT(28), /* lock */ |
| CLK_SET_RATE_UNGATE); |
| |
| static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_de_clk, "pll-de", |
| "osc24M", 0x048, |
| 8, 7, /* N */ |
| 0, 4, /* M */ |
| BIT(24), /* frac enable */ |
| BIT(25), /* frac select */ |
| 270000000, /* frac rate 0 */ |
| 297000000, /* frac rate 1 */ |
| BIT(31), /* gate */ |
| BIT(28), /* lock */ |
| CLK_SET_RATE_UNGATE); |
| |
| static struct ccu_mult pll_ddr1_clk = { |
| .enable = BIT(31), |
| .lock = BIT(28), |
| .mult = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 6, 0, 12, 0), |
| .common = { |
| .reg = 0x04c, |
| .hw.init = CLK_HW_INIT("pll-ddr1", "osc24M", |
| &ccu_mult_ops, |
| CLK_SET_RATE_UNGATE), |
| }, |
| }; |
| |
| static const char * const cpux_parents[] = { "osc32k", "osc24M", |
| "pll-cpux" , "pll-cpux" }; |
| static SUNXI_CCU_MUX(cpux_clk, "cpux", cpux_parents, |
| 0x050, 16, 2, CLK_IS_CRITICAL | CLK_SET_RATE_PARENT); |
| |
| static SUNXI_CCU_M(axi_clk, "axi", "cpux", 0x050, 0, 2, 0); |
| |
| static const char * const ahb1_parents[] = { "osc32k", "osc24M", |
| "axi" , "pll-periph" }; |
| 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-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 SUNXI_CCU_GATE(bus_mipi_dsi_clk, "bus-mipi-dsi", "ahb1", |
| 0x060, BIT(1), 0); |
| static SUNXI_CCU_GATE(bus_ss_clk, "bus-ss", "ahb1", |
| 0x060, BIT(5), 0); |
| static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "ahb1", |
| 0x060, BIT(6), 0); |
| static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb1", |
| 0x060, BIT(8), 0); |
| static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb1", |
| 0x060, BIT(9), 0); |
| static SUNXI_CCU_GATE(bus_mmc2_clk, "bus-mmc2", "ahb1", |
| 0x060, BIT(10), 0); |
| static SUNXI_CCU_GATE(bus_nand_clk, "bus-nand", "ahb1", |
| 0x060, BIT(13), 0); |
| static SUNXI_CCU_GATE(bus_dram_clk, "bus-dram", "ahb1", |
| 0x060, BIT(14), 0); |
| static SUNXI_CCU_GATE(bus_hstimer_clk, "bus-hstimer", "ahb1", |
| 0x060, BIT(19), 0); |
| static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb1", |
| 0x060, BIT(20), 0); |
| static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb1", |
| 0x060, BIT(21), 0); |
| static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb1", |
| 0x060, BIT(24), 0); |
| static SUNXI_CCU_GATE(bus_ehci_clk, "bus-ehci", "ahb1", |
| 0x060, BIT(26), 0); |
| static SUNXI_CCU_GATE(bus_ohci_clk, "bus-ohci", "ahb1", |
| 0x060, BIT(29), 0); |
| |
| static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "ahb1", |
| 0x064, BIT(0), 0); |
| static SUNXI_CCU_GATE(bus_lcd_clk, "bus-lcd", "ahb1", |
| 0x064, BIT(4), 0); |
| static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi", "ahb1", |
| 0x064, BIT(8), 0); |
| static SUNXI_CCU_GATE(bus_de_be_clk, "bus-de-be", "ahb1", |
| 0x064, BIT(12), 0); |
| static SUNXI_CCU_GATE(bus_de_fe_clk, "bus-de-fe", "ahb1", |
| 0x064, BIT(14), 0); |
| static SUNXI_CCU_GATE(bus_gpu_clk, "bus-gpu", "ahb1", |
| 0x064, BIT(20), 0); |
| static SUNXI_CCU_GATE(bus_msgbox_clk, "bus-msgbox", "ahb1", |
| 0x064, BIT(21), 0); |
| static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "ahb1", |
| 0x064, BIT(22), 0); |
| static SUNXI_CCU_GATE(bus_drc_clk, "bus-drc", "ahb1", |
| 0x064, BIT(25), 0); |
| static SUNXI_CCU_GATE(bus_sat_clk, "bus-sat", "ahb1", |
| 0x064, BIT(26), 0); |
| |
| static SUNXI_CCU_GATE(bus_codec_clk, "bus-codec", "apb1", |
| 0x068, BIT(0), 0); |
| static SUNXI_CCU_GATE(bus_pio_clk, "bus-pio", "apb1", |
| 0x068, BIT(5), 0); |
| static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0", "apb1", |
| 0x068, BIT(12), 0); |
| static SUNXI_CCU_GATE(bus_i2s1_clk, "bus-i2s1", "apb1", |
| 0x068, BIT(13), 0); |
| |
| static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb2", |
| 0x06c, BIT(0), 0); |
| static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb2", |
| 0x06c, BIT(1), 0); |
| static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb2", |
| 0x06c, BIT(2), 0); |
| static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb2", |
| 0x06c, BIT(16), 0); |
| static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb2", |
| 0x06c, BIT(17), 0); |
| static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb2", |
| 0x06c, BIT(18), 0); |
| static SUNXI_CCU_GATE(bus_uart3_clk, "bus-uart3", "apb2", |
| 0x06c, BIT(19), 0); |
| static SUNXI_CCU_GATE(bus_uart4_clk, "bus-uart4", "apb2", |
| 0x06c, BIT(20), 0); |
| |
| static const char * const mod0_default_parents[] = { "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_WITH_MUX_GATE(mmc2_clk, "mmc2", mod0_default_parents, 0x090, |
| 0, 4, /* M */ |
| 16, 2, /* P */ |
| 24, 2, /* mux */ |
| BIT(31), /* gate */ |
| 0); |
| |
| static SUNXI_CCU_PHASE(mmc2_sample_clk, "mmc2_sample", "mmc2", |
| 0x090, 20, 3, 0); |
| static SUNXI_CCU_PHASE(mmc2_output_clk, "mmc2_output", "mmc2", |
| 0x090, 8, 3, 0); |
| |
| static SUNXI_CCU_MP_WITH_MUX_GATE(ss_clk, "ss", mod0_default_parents, 0x09c, |
| 0, 4, /* M */ |
| 16, 2, /* P */ |
| 24, 2, /* mux */ |
| BIT(31), /* gate */ |
| 0); |
| |
| static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", mod0_default_parents, 0x0a0, |
| 0, 4, /* M */ |
| 16, 2, /* P */ |
| 24, 2, /* mux */ |
| BIT(31), /* gate */ |
| 0); |
| |
| static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents, 0x0a4, |
| 0, 4, /* M */ |
| 16, 2, /* P */ |
| 24, 2, /* mux */ |
| BIT(31), /* gate */ |
| 0); |
| |
| static const char * const i2s_parents[] = { "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), 0); |
| |
| static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk, "i2s1", i2s_parents, |
| 0x0b4, 16, 2, BIT(31), 0); |
| |
| /* TODO: the parent for most of the USB clocks is not known */ |
| static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "osc24M", |
| 0x0cc, BIT(8), 0); |
| static SUNXI_CCU_GATE(usb_phy1_clk, "usb-phy1", "osc24M", |
| 0x0cc, BIT(9), 0); |
| static SUNXI_CCU_GATE(usb_hsic_clk, "usb-hsic", "pll-hsic", |
| 0x0cc, BIT(10), 0); |
| static SUNXI_CCU_GATE(usb_hsic_12M_clk, "usb-hsic-12M", "osc24M", |
| 0x0cc, BIT(11), 0); |
| static SUNXI_CCU_GATE(usb_ohci_clk, "usb-ohci", "osc24M", |
| 0x0cc, BIT(16), 0); |
| |
| static SUNXI_CCU_M(dram_clk, "dram", "pll-ddr", |
| 0x0f4, 0, 4, CLK_IS_CRITICAL); |
| |
| static const char * const pll_ddr_parents[] = { "pll-ddr0", "pll-ddr1" }; |
| static SUNXI_CCU_MUX(pll_ddr_clk, "pll-ddr", pll_ddr_parents, |
| 0x0f8, 16, 1, 0); |
| |
| static SUNXI_CCU_GATE(dram_ve_clk, "dram-ve", "dram", |
| 0x100, BIT(0), 0); |
| static SUNXI_CCU_GATE(dram_csi_clk, "dram-csi", "dram", |
| 0x100, BIT(1), 0); |
| static SUNXI_CCU_GATE(dram_drc_clk, "dram-drc", "dram", |
| 0x100, BIT(16), 0); |
| static SUNXI_CCU_GATE(dram_de_fe_clk, "dram-de-fe", "dram", |
| 0x100, BIT(24), 0); |
| static SUNXI_CCU_GATE(dram_de_be_clk, "dram-de-be", "dram", |
| 0x100, BIT(26), 0); |
| |
| static const char * const de_parents[] = { "pll-video", "pll-periph-2x", |
| "pll-gpu", "pll-de" }; |
| static const u8 de_table[] = { 0, 2, 3, 5 }; |
| static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_be_clk, "de-be", |
| de_parents, de_table, |
| 0x104, 0, 4, 24, 3, BIT(31), 0); |
| |
| static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_fe_clk, "de-fe", |
| de_parents, de_table, |
| 0x10c, 0, 4, 24, 3, BIT(31), 0); |
| |
| static const char * const lcd_ch0_parents[] = { "pll-video", "pll-video-2x", |
| "pll-mipi" }; |
| static const u8 lcd_ch0_table[] = { 0, 2, 4 }; |
| static SUNXI_CCU_MUX_TABLE_WITH_GATE(lcd_ch0_clk, "lcd-ch0", |
| lcd_ch0_parents, lcd_ch0_table, |
| 0x118, 24, 3, BIT(31), |
| CLK_SET_RATE_PARENT); |
| |
| static const char * const lcd_ch1_parents[] = { "pll-video", "pll-video-2x" }; |
| static const u8 lcd_ch1_table[] = { 0, 2 }; |
| static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(lcd_ch1_clk, "lcd-ch1", |
| lcd_ch1_parents, lcd_ch1_table, |
| 0x12c, 0, 4, 24, 2, BIT(31), 0); |
| |
| static const char * const csi_sclk_parents[] = { "pll-video", "pll-de", |
| "pll-mipi", "pll-ve" }; |
| static const u8 csi_sclk_table[] = { 0, 3, 4, 5 }; |
| static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_sclk_clk, "csi-sclk", |
| csi_sclk_parents, csi_sclk_table, |
| 0x134, 16, 4, 24, 3, BIT(31), 0); |
| |
| static const char * const csi_mclk_parents[] = { "pll-video", "pll-de", |
| "osc24M" }; |
| static const u8 csi_mclk_table[] = { 0, 3, 5 }; |
| static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_mclk_clk, "csi-mclk", |
| csi_mclk_parents, csi_mclk_table, |
| 0x134, 0, 5, 8, 3, BIT(15), 0); |
| |
| static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve", |
| 0x13c, 16, 3, BIT(31), CLK_SET_RATE_PARENT); |
| |
| static SUNXI_CCU_GATE(ac_dig_clk, "ac-dig", "pll-audio", |
| 0x140, BIT(31), CLK_SET_RATE_PARENT); |
| static SUNXI_CCU_GATE(ac_dig_4x_clk, "ac-dig-4x", "pll-audio-4x", |
| 0x140, BIT(30), 0); |
| static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M", |
| 0x144, BIT(31), 0); |
| |
| static const char * const mbus_parents[] = { "osc24M", "pll-periph-2x", |
| "pll-ddr0", "pll-ddr1" }; |
| static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents, |
| 0x15c, 0, 3, 24, 2, BIT(31), CLK_IS_CRITICAL); |
| |
| static const char * const dsi_sclk_parents[] = { "pll-video", "pll-video-2x" }; |
| static const u8 dsi_sclk_table[] = { 0, 2 }; |
| static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_sclk_clk, "dsi-sclk", |
| dsi_sclk_parents, dsi_sclk_table, |
| 0x168, 16, 4, 24, 2, BIT(31), 0); |
| |
| static const char * const dsi_dphy_parents[] = { "pll-video", "pll-periph" }; |
| static const u8 dsi_dphy_table[] = { 0, 2 }; |
| static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(dsi_dphy_clk, "dsi-dphy", |
| dsi_dphy_parents, dsi_dphy_table, |
| 0x168, 0, 4, 8, 2, BIT(15), 0); |
| |
| static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(drc_clk, "drc", |
| de_parents, de_table, |
| 0x180, 0, 4, 24, 3, BIT(31), 0); |
| |
| static SUNXI_CCU_M_WITH_GATE(gpu_clk, "gpu", "pll-gpu", |
| 0x1a0, 0, 3, BIT(31), CLK_SET_RATE_PARENT); |
| |
| static const char * const ats_parents[] = { "osc24M", "pll-periph" }; |
| static SUNXI_CCU_M_WITH_MUX_GATE(ats_clk, "ats", ats_parents, |
| 0x1b0, 0, 3, 24, 2, BIT(31), 0); |
| |
| static struct ccu_common *sun8i_a33_ccu_clks[] = { |
| &pll_cpux_clk.common, |
| &pll_audio_base_clk.common, |
| &pll_video_clk.common, |
| &pll_ve_clk.common, |
| &pll_ddr0_clk.common, |
| &pll_periph_clk.common, |
| &pll_gpu_clk.common, |
| &pll_mipi_clk.common, |
| &pll_hsic_clk.common, |
| &pll_de_clk.common, |
| &pll_ddr1_clk.common, |
| &pll_ddr_clk.common, |
| &cpux_clk.common, |
| &axi_clk.common, |
| &ahb1_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_hstimer_clk.common, |
| &bus_spi0_clk.common, |
| &bus_spi1_clk.common, |
| &bus_otg_clk.common, |
| &bus_ehci_clk.common, |
| &bus_ohci_clk.common, |
| &bus_ve_clk.common, |
| &bus_lcd_clk.common, |
| &bus_csi_clk.common, |
| &bus_de_fe_clk.common, |
| &bus_de_be_clk.common, |
| &bus_gpu_clk.common, |
| &bus_msgbox_clk.common, |
| &bus_spinlock_clk.common, |
| &bus_drc_clk.common, |
| &bus_sat_clk.common, |
| &bus_codec_clk.common, |
| &bus_pio_clk.common, |
| &bus_i2s0_clk.common, |
| &bus_i2s1_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, |
| &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, |
| &usb_phy0_clk.common, |
| &usb_phy1_clk.common, |
| &usb_hsic_clk.common, |
| &usb_hsic_12M_clk.common, |
| &usb_ohci_clk.common, |
| &dram_clk.common, |
| &dram_ve_clk.common, |
| &dram_csi_clk.common, |
| &dram_drc_clk.common, |
| &dram_de_fe_clk.common, |
| &dram_de_be_clk.common, |
| &de_be_clk.common, |
| &de_fe_clk.common, |
| &lcd_ch0_clk.common, |
| &lcd_ch1_clk.common, |
| &csi_sclk_clk.common, |
| &csi_mclk_clk.common, |
| &ve_clk.common, |
| &ac_dig_clk.common, |
| &ac_dig_4x_clk.common, |
| &avs_clk.common, |
| &mbus_clk.common, |
| &dsi_sclk_clk.common, |
| &dsi_dphy_clk.common, |
| &drc_clk.common, |
| &gpu_clk.common, |
| &ats_clk.common, |
| }; |
| |
| /* We hardcode the divider to 4 for now */ |
| static CLK_FIXED_FACTOR(pll_audio_clk, "pll-audio", |
| "pll-audio-base", 4, 1, CLK_SET_RATE_PARENT); |
| static CLK_FIXED_FACTOR(pll_audio_2x_clk, "pll-audio-2x", |
| "pll-audio-base", 2, 1, CLK_SET_RATE_PARENT); |
| static CLK_FIXED_FACTOR(pll_audio_4x_clk, "pll-audio-4x", |
| "pll-audio-base", 1, 1, CLK_SET_RATE_PARENT); |
| static CLK_FIXED_FACTOR(pll_audio_8x_clk, "pll-audio-8x", |
| "pll-audio-base", 1, 2, CLK_SET_RATE_PARENT); |
| static CLK_FIXED_FACTOR(pll_periph_2x_clk, "pll-periph-2x", |
| "pll-periph", 1, 2, 0); |
| static CLK_FIXED_FACTOR(pll_video_2x_clk, "pll-video-2x", |
| "pll-video", 1, 2, 0); |
| |
| static struct clk_hw_onecell_data sun8i_a33_hw_clks = { |
| .hws = { |
| [CLK_PLL_CPUX] = &pll_cpux_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_VIDEO] = &pll_video_clk.common.hw, |
| [CLK_PLL_VIDEO_2X] = &pll_video_2x_clk.hw, |
| [CLK_PLL_VE] = &pll_ve_clk.common.hw, |
| [CLK_PLL_DDR0] = &pll_ddr0_clk.common.hw, |
| [CLK_PLL_PERIPH] = &pll_periph_clk.common.hw, |
| [CLK_PLL_PERIPH_2X] = &pll_periph_2x_clk.hw, |
| [CLK_PLL_GPU] = &pll_gpu_clk.common.hw, |
| [CLK_PLL_MIPI] = &pll_mipi_clk.common.hw, |
| [CLK_PLL_HSIC] = &pll_hsic_clk.common.hw, |
| [CLK_PLL_DE] = &pll_de_clk.common.hw, |
| [CLK_PLL_DDR1] = &pll_ddr1_clk.common.hw, |
| [CLK_PLL_DDR] = &pll_ddr_clk.common.hw, |
| [CLK_CPUX] = &cpux_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_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_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_EHCI] = &bus_ehci_clk.common.hw, |
| [CLK_BUS_OHCI] = &bus_ohci_clk.common.hw, |
| [CLK_BUS_VE] = &bus_ve_clk.common.hw, |
| [CLK_BUS_LCD] = &bus_lcd_clk.common.hw, |
| [CLK_BUS_CSI] = &bus_csi_clk.common.hw, |
| [CLK_BUS_DE_BE] = &bus_de_be_clk.common.hw, |
| [CLK_BUS_DE_FE] = &bus_de_fe_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_DRC] = &bus_drc_clk.common.hw, |
| [CLK_BUS_SAT] = &bus_sat_clk.common.hw, |
| [CLK_BUS_CODEC] = &bus_codec_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_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_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_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_OHCI] = &usb_ohci_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_DRAM_DRC] = &dram_drc_clk.common.hw, |
| [CLK_DRAM_DE_FE] = &dram_de_fe_clk.common.hw, |
| [CLK_DRAM_DE_BE] = &dram_de_be_clk.common.hw, |
| [CLK_DE_BE] = &de_be_clk.common.hw, |
| [CLK_DE_FE] = &de_fe_clk.common.hw, |
| [CLK_LCD_CH0] = &lcd_ch0_clk.common.hw, |
| [CLK_LCD_CH1] = &lcd_ch1_clk.common.hw, |
| [CLK_CSI_SCLK] = &csi_sclk_clk.common.hw, |
| [CLK_CSI_MCLK] = &csi_mclk_clk.common.hw, |
| [CLK_VE] = &ve_clk.common.hw, |
| [CLK_AC_DIG] = &ac_dig_clk.common.hw, |
| [CLK_AC_DIG_4X] = &ac_dig_4x_clk.common.hw, |
| [CLK_AVS] = &avs_clk.common.hw, |
| [CLK_MBUS] = &mbus_clk.common.hw, |
| [CLK_DSI_SCLK] = &dsi_sclk_clk.common.hw, |
| [CLK_DSI_DPHY] = &dsi_dphy_clk.common.hw, |
| [CLK_DRC] = &drc_clk.common.hw, |
| [CLK_GPU] = &gpu_clk.common.hw, |
| [CLK_ATS] = &ats_clk.common.hw, |
| }, |
| .num = CLK_NUMBER, |
| }; |
| |
| static struct ccu_reset_map sun8i_a33_ccu_resets[] = { |
| [RST_USB_PHY0] = { 0x0cc, BIT(0) }, |
| [RST_USB_PHY1] = { 0x0cc, BIT(1) }, |
| [RST_USB_HSIC] = { 0x0cc, BIT(2) }, |
| |
| [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_HSTIMER] = { 0x2c0, BIT(19) }, |
| [RST_BUS_SPI0] = { 0x2c0, BIT(20) }, |
| [RST_BUS_SPI1] = { 0x2c0, BIT(21) }, |
| [RST_BUS_OTG] = { 0x2c0, BIT(24) }, |
| [RST_BUS_EHCI] = { 0x2c0, BIT(26) }, |
| [RST_BUS_OHCI] = { 0x2c0, BIT(29) }, |
| |
| [RST_BUS_VE] = { 0x2c4, BIT(0) }, |
| [RST_BUS_LCD] = { 0x2c4, BIT(4) }, |
| [RST_BUS_CSI] = { 0x2c4, BIT(8) }, |
| [RST_BUS_DE_BE] = { 0x2c4, BIT(12) }, |
| [RST_BUS_DE_FE] = { 0x2c4, BIT(14) }, |
| [RST_BUS_GPU] = { 0x2c4, BIT(20) }, |
| [RST_BUS_MSGBOX] = { 0x2c4, BIT(21) }, |
| [RST_BUS_SPINLOCK] = { 0x2c4, BIT(22) }, |
| [RST_BUS_DRC] = { 0x2c4, BIT(25) }, |
| [RST_BUS_SAT] = { 0x2c4, BIT(26) }, |
| |
| [RST_BUS_LVDS] = { 0x2c8, BIT(0) }, |
| |
| [RST_BUS_CODEC] = { 0x2d0, BIT(0) }, |
| [RST_BUS_I2S0] = { 0x2d0, BIT(12) }, |
| [RST_BUS_I2S1] = { 0x2d0, BIT(13) }, |
| |
| [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_a33_ccu_desc = { |
| .ccu_clks = sun8i_a33_ccu_clks, |
| .num_ccu_clks = ARRAY_SIZE(sun8i_a33_ccu_clks), |
| |
| .hw_clks = &sun8i_a33_hw_clks, |
| |
| .resets = sun8i_a33_ccu_resets, |
| .num_resets = ARRAY_SIZE(sun8i_a33_ccu_resets), |
| }; |
| |
| static struct ccu_pll_nb sun8i_a33_pll_cpu_nb = { |
| .common = &pll_cpux_clk.common, |
| /* copy from pll_cpux_clk */ |
| .enable = BIT(31), |
| .lock = BIT(28), |
| }; |
| |
| static struct ccu_mux_nb sun8i_a33_cpu_nb = { |
| .common = &cpux_clk.common, |
| .cm = &cpux_clk.mux, |
| .delay_us = 1, /* > 8 clock cycles at 24 MHz */ |
| .bypass_index = 1, /* index of 24 MHz oscillator */ |
| }; |
| |
| static void __init sun8i_a33_ccu_setup(struct device_node *node) |
| { |
| void __iomem *reg; |
| u32 val; |
| |
| reg = of_io_request_and_map(node, 0, of_node_full_name(node)); |
| if (IS_ERR(reg)) { |
| pr_err("%s: Could not map the clock registers\n", |
| of_node_full_name(node)); |
| return; |
| } |
| |
| /* Force the PLL-Audio-1x divider to 4 */ |
| val = readl(reg + SUN8I_A33_PLL_AUDIO_REG); |
| val &= ~GENMASK(19, 16); |
| writel(val | (3 << 16), reg + SUN8I_A33_PLL_AUDIO_REG); |
| |
| /* Force PLL-MIPI to MIPI mode */ |
| val = readl(reg + SUN8I_A33_PLL_MIPI_REG); |
| val &= ~BIT(16); |
| writel(val, reg + SUN8I_A33_PLL_MIPI_REG); |
| |
| sunxi_ccu_probe(node, reg, &sun8i_a33_ccu_desc); |
| |
| /* Gate then ungate PLL CPU after any rate changes */ |
| ccu_pll_notifier_register(&sun8i_a33_pll_cpu_nb); |
| |
| /* Reparent CPU during PLL CPU rate changes */ |
| ccu_mux_notifier_register(pll_cpux_clk.common.hw.clk, |
| &sun8i_a33_cpu_nb); |
| } |
| CLK_OF_DECLARE(sun8i_a33_ccu, "allwinner,sun8i-a33-ccu", |
| sun8i_a33_ccu_setup); |