// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2016 Maxime Ripard. All rights reserved.
*/
#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include "ccu_common.h"
#include "ccu_reset.h"
#include "ccu_div.h"
#include "ccu_gate.h"
#include "ccu_mp.h"
#include "ccu_mult.h"
#include "ccu_nk.h"
#include "ccu_nkm.h"
#include "ccu_nkmp.h"
#include "ccu_nm.h"
#include "ccu_phase.h"
#include "ccu_sdm.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 = 0 x000,
.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).
*
* 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_A23_PLL_AUDIO_REG 0 x008
static struct ccu_sdm_setting pll_audio_sdm_table[] = {
{ .rate = 22579200 , .pattern = 0 xc0010d84, .m = 8 , .n = 7 },
{ .rate = 24576000 , .pattern = 0 xc000ac02, .m = 14 , .n = 14 },
};
static SUNXI_CCU_NM_WITH_SDM_GATE_LOCK(pll_audio_base_clk, "pll-audio-base" ,
"osc24M" , 0 x008,
8 , 7 , /* N */
0 , 5 , /* M */
pll_audio_sdm_table, BIT(24 ),
0 x284, BIT(31 ),
BIT(31 ), /* gate */
BIT(28 ), /* lock */
CLK_SET_RATE_UNGATE);
static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video_clk, "pll-video" ,
"osc24M" , 0 x010,
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" , 0 x018,
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_ddr_clk, "pll-ddr" ,
"osc24M" , 0 x020,
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" , 0 x028,
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" , 0 x038,
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_A23_PLL_MIPI_REG 0 x040
static SUNXI_CCU_NKM_WITH_GATE_LOCK(pll_mipi_clk, "pll-mipi" ,
"pll-video" , 0 x040,
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" , 0 x044,
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" , 0 x048,
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 const char * const cpux_parents[] = { "osc32k" , "osc24M" ,
"pll-cpux" , "pll-cpux" };
static SUNXI_CCU_MUX(cpux_clk, "cpux" , cpux_parents,
0 x050, 16 , 2 , CLK_IS_CRITICAL);
static SUNXI_CCU_M(axi_clk, "axi" , "cpux" , 0 x050, 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 = 0 x054,
.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" ,
0 x054, 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, 0 x058,
0 , 5 , /* M */
16 , 2 , /* P */
24 , 2 , /* mux */
0 );
static SUNXI_CCU_GATE(bus_mipi_dsi_clk, "bus-mipi-dsi" , "ahb1" ,
0 x060, BIT(1 ), 0 );
static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma" , "ahb1" ,
0 x060, BIT(6 ), 0 );
static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0" , "ahb1" ,
0 x060, BIT(8 ), 0 );
static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1" , "ahb1" ,
0 x060, BIT(9 ), 0 );
static SUNXI_CCU_GATE(bus_mmc2_clk, "bus-mmc2" , "ahb1" ,
0 x060, BIT(10 ), 0 );
static SUNXI_CCU_GATE(bus_nand_clk, "bus-nand" , "ahb1" ,
0 x060, BIT(13 ), 0 );
static SUNXI_CCU_GATE(bus_dram_clk, "bus-dram" , "ahb1" ,
0 x060, BIT(14 ), 0 );
static SUNXI_CCU_GATE(bus_hstimer_clk, "bus-hstimer" , "ahb1" ,
0 x060, BIT(19 ), 0 );
static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0" , "ahb1" ,
0 x060, BIT(20 ), 0 );
static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1" , "ahb1" ,
0 x060, BIT(21 ), 0 );
static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg" , "ahb1" ,
0 x060, BIT(24 ), 0 );
static SUNXI_CCU_GATE(bus_ehci_clk, "bus-ehci" , "ahb1" ,
0 x060, BIT(26 ), 0 );
static SUNXI_CCU_GATE(bus_ohci_clk, "bus-ohci" , "ahb1" ,
0 x060, BIT(29 ), 0 );
static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve" , "ahb1" ,
0 x064, BIT(0 ), 0 );
static SUNXI_CCU_GATE(bus_lcd_clk, "bus-lcd" , "ahb1" ,
0 x064, BIT(4 ), 0 );
static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi" , "ahb1" ,
0 x064, BIT(8 ), 0 );
static SUNXI_CCU_GATE(bus_de_be_clk, "bus-de-be" , "ahb1" ,
0 x064, BIT(12 ), 0 );
static SUNXI_CCU_GATE(bus_de_fe_clk, "bus-de-fe" , "ahb1" ,
0 x064, BIT(14 ), 0 );
static SUNXI_CCU_GATE(bus_gpu_clk, "bus-gpu" , "ahb1" ,
0 x064, BIT(20 ), 0 );
static SUNXI_CCU_GATE(bus_msgbox_clk, "bus-msgbox" , "ahb1" ,
0 x064, BIT(21 ), 0 );
static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock" , "ahb1" ,
0 x064, BIT(22 ), 0 );
static SUNXI_CCU_GATE(bus_drc_clk, "bus-drc" , "ahb1" ,
0 x064, BIT(25 ), 0 );
static SUNXI_CCU_GATE(bus_codec_clk, "bus-codec" , "apb1" ,
0 x068, BIT(0 ), 0 );
static SUNXI_CCU_GATE(bus_pio_clk, "bus-pio" , "apb1" ,
0 x068, BIT(5 ), 0 );
static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0" , "apb1" ,
0 x068, BIT(12 ), 0 );
static SUNXI_CCU_GATE(bus_i2s1_clk, "bus-i2s1" , "apb1" ,
0 x068, BIT(13 ), 0 );
static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0" , "apb2" ,
0 x06c, BIT(0 ), 0 );
static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1" , "apb2" ,
0 x06c, BIT(1 ), 0 );
static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2" , "apb2" ,
0 x06c, BIT(2 ), 0 );
static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0" , "apb2" ,
0 x06c, BIT(16 ), 0 );
static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1" , "apb2" ,
0 x06c, BIT(17 ), 0 );
static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2" , "apb2" ,
0 x06c, BIT(18 ), 0 );
static SUNXI_CCU_GATE(bus_uart3_clk, "bus-uart3" , "apb2" ,
0 x06c, BIT(19 ), 0 );
static SUNXI_CCU_GATE(bus_uart4_clk, "bus-uart4" , "apb2" ,
0 x06c, 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, 0 x080,
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, 0 x088,
0 , 4 , /* M */
16 , 2 , /* P */
24 , 2 , /* mux */
BIT(31 ), /* gate */
0 );
static SUNXI_CCU_PHASE(mmc0_sample_clk, "mmc0_sample" , "mmc0" ,
0 x088, 20 , 3 , 0 );
static SUNXI_CCU_PHASE(mmc0_output_clk, "mmc0_output" , "mmc0" ,
0 x088, 8 , 3 , 0 );
static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1" , mod0_default_parents, 0 x08c,
0 , 4 , /* M */
16 , 2 , /* P */
24 , 2 , /* mux */
BIT(31 ), /* gate */
0 );
static SUNXI_CCU_PHASE(mmc1_sample_clk, "mmc1_sample" , "mmc1" ,
0 x08c, 20 , 3 , 0 );
static SUNXI_CCU_PHASE(mmc1_output_clk, "mmc1_output" , "mmc1" ,
0 x08c, 8 , 3 , 0 );
static SUNXI_CCU_MP_WITH_MUX_GATE(mmc2_clk, "mmc2" , mod0_default_parents, 0 x090,
0 , 4 , /* M */
16 , 2 , /* P */
24 , 2 , /* mux */
BIT(31 ), /* gate */
0 );
static SUNXI_CCU_PHASE(mmc2_sample_clk, "mmc2_sample" , "mmc2" ,
0 x090, 20 , 3 , 0 );
static SUNXI_CCU_PHASE(mmc2_output_clk, "mmc2_output" , "mmc2" ,
0 x090, 8 , 3 , 0 );
static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0" , mod0_default_parents, 0 x0a0,
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, 0 x0a4,
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,
0 x0b0, 16 , 2 , BIT(31 ), CLK_SET_RATE_PARENT);
static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk, "i2s1" , i2s_parents,
0 x0b4, 16 , 2 , BIT(31 ), CLK_SET_RATE_PARENT);
/* TODO: the parent for most of the USB clocks is not known */
static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0" , "osc24M" ,
0 x0cc, BIT(8 ), 0 );
static SUNXI_CCU_GATE(usb_phy1_clk, "usb-phy1" , "osc24M" ,
0 x0cc, BIT(9 ), 0 );
static SUNXI_CCU_GATE(usb_hsic_clk, "usb-hsic" , "pll-hsic" ,
0 x0cc, BIT(10 ), 0 );
static SUNXI_CCU_GATE(usb_hsic_12M_clk, "usb-hsic-12M" , "osc24M" ,
0 x0cc, BIT(11 ), 0 );
static SUNXI_CCU_GATE(usb_ohci_clk, "usb-ohci" , "osc24M" ,
0 x0cc, BIT(16 ), 0 );
static SUNXI_CCU_GATE(dram_ve_clk, "dram-ve" , "pll-ddr" ,
0 x100, BIT(0 ), 0 );
static SUNXI_CCU_GATE(dram_csi_clk, "dram-csi" , "pll-ddr" ,
0 x100, BIT(1 ), 0 );
static SUNXI_CCU_GATE(dram_drc_clk, "dram-drc" , "pll-ddr" ,
0 x100, BIT(16 ), 0 );
static SUNXI_CCU_GATE(dram_de_fe_clk, "dram-de-fe" , "pll-ddr" ,
0 x100, BIT(24 ), 0 );
static SUNXI_CCU_GATE(dram_de_be_clk, "dram-de-be" , "pll-ddr" ,
0 x100, 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,
0 x104, 0 , 4 , 24 , 3 , BIT(31 ), 0 );
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(de_fe_clk, "de-fe" ,
de_parents, de_table,
0 x10c, 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,
0 x118, 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,
0 x12c, 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,
0 x134, 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,
0 x134, 0 , 5 , 8 , 3 , BIT(15 ), 0 );
static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve" , "pll-ve" ,
0 x13c, 16 , 3 , BIT(31 ), CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(ac_dig_clk, "ac-dig" , "pll-audio" ,
0 x140, BIT(31 ), CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(avs_clk, "avs" , "osc24M" ,
0 x144, BIT(31 ), 0 );
static const char * const mbus_parents[] = { "osc24M" , "pll-periph-2x" ,
"pll-ddr" };
static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus" , mbus_parents,
0 x15c, 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,
0 x168, 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,
0 x168, 0 , 4 , 8 , 2 , BIT(15 ), 0 );
static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(drc_clk, "drc" ,
de_parents, de_table,
0 x180, 0 , 4 , 24 , 3 , BIT(31 ), 0 );
static SUNXI_CCU_M_WITH_GATE(gpu_clk, "gpu" , "pll-gpu" ,
0 x1a0, 0 , 3 , BIT(31 ), 0 );
static const char * const ats_parents[] = { "osc24M" , "pll-periph" };
static SUNXI_CCU_M_WITH_MUX_GATE(ats_clk, "ats" , ats_parents,
0 x1b0, 0 , 3 , 24 , 2 , BIT(31 ), 0 );
static struct ccu_common *sun8i_a23_ccu_clks[] = {
&pll_cpux_clk.common,
&pll_audio_base_clk.common,
&pll_video_clk.common,
&pll_ve_clk.common,
&pll_ddr_clk.common,
&pll_periph_clk.common,
&pll_gpu_clk.common,
&pll_mipi_clk.common,
&pll_hsic_clk.common,
&pll_de_clk.common,
&cpux_clk.common,
&axi_clk.common,
&ahb1_clk.common,
&apb1_clk.common,
&apb2_clk.common,
&bus_mipi_dsi_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_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,
&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_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,
&avs_clk.common,
&mbus_clk.common,
&dsi_sclk_clk.common,
&dsi_dphy_clk.common,
&drc_clk.common,
&gpu_clk.common,
&ats_clk.common,
};
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_periph_2x_clk, "pll-periph-2x" ,
&pll_periph_clk.common.hw,
1 , 2 , 0 );
static CLK_FIXED_FACTOR_HW(pll_video_2x_clk, "pll-video-2x" ,
&pll_video_clk.common.hw,
1 , 2 , 0 );
static struct clk_hw_onecell_data sun8i_a23_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_ddr_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_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_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_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_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_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_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 const struct ccu_reset_map sun8i_a23_ccu_resets[] = {
[RST_USB_PHY0] = { 0 x0cc, BIT(0 ) },
[RST_USB_PHY1] = { 0 x0cc, BIT(1 ) },
[RST_USB_HSIC] = { 0 x0cc, BIT(2 ) },
[RST_MBUS] = { 0 x0fc, BIT(31 ) },
[RST_BUS_MIPI_DSI] = { 0 x2c0, BIT(1 ) },
[RST_BUS_DMA] = { 0 x2c0, BIT(6 ) },
[RST_BUS_MMC0] = { 0 x2c0, BIT(8 ) },
[RST_BUS_MMC1] = { 0 x2c0, BIT(9 ) },
[RST_BUS_MMC2] = { 0 x2c0, BIT(10 ) },
[RST_BUS_NAND] = { 0 x2c0, BIT(13 ) },
[RST_BUS_DRAM] = { 0 x2c0, BIT(14 ) },
[RST_BUS_HSTIMER] = { 0 x2c0, BIT(19 ) },
[RST_BUS_SPI0] = { 0 x2c0, BIT(20 ) },
[RST_BUS_SPI1] = { 0 x2c0, BIT(21 ) },
[RST_BUS_OTG] = { 0 x2c0, BIT(24 ) },
[RST_BUS_EHCI] = { 0 x2c0, BIT(26 ) },
[RST_BUS_OHCI] = { 0 x2c0, BIT(29 ) },
[RST_BUS_VE] = { 0 x2c4, BIT(0 ) },
[RST_BUS_LCD] = { 0 x2c4, BIT(4 ) },
[RST_BUS_CSI] = { 0 x2c4, BIT(8 ) },
[RST_BUS_DE_BE] = { 0 x2c4, BIT(12 ) },
[RST_BUS_DE_FE] = { 0 x2c4, BIT(14 ) },
[RST_BUS_GPU] = { 0 x2c4, BIT(20 ) },
[RST_BUS_MSGBOX] = { 0 x2c4, BIT(21 ) },
[RST_BUS_SPINLOCK] = { 0 x2c4, BIT(22 ) },
[RST_BUS_DRC] = { 0 x2c4, BIT(25 ) },
[RST_BUS_LVDS] = { 0 x2c8, BIT(0 ) },
[RST_BUS_CODEC] = { 0 x2d0, BIT(0 ) },
[RST_BUS_I2S0] = { 0 x2d0, BIT(12 ) },
[RST_BUS_I2S1] = { 0 x2d0, BIT(13 ) },
[RST_BUS_I2C0] = { 0 x2d8, BIT(0 ) },
[RST_BUS_I2C1] = { 0 x2d8, BIT(1 ) },
[RST_BUS_I2C2] = { 0 x2d8, BIT(2 ) },
[RST_BUS_UART0] = { 0 x2d8, BIT(16 ) },
[RST_BUS_UART1] = { 0 x2d8, BIT(17 ) },
[RST_BUS_UART2] = { 0 x2d8, BIT(18 ) },
[RST_BUS_UART3] = { 0 x2d8, BIT(19 ) },
[RST_BUS_UART4] = { 0 x2d8, BIT(20 ) },
};
static const struct sunxi_ccu_desc sun8i_a23_ccu_desc = {
.ccu_clks = sun8i_a23_ccu_clks,
.num_ccu_clks = ARRAY_SIZE(sun8i_a23_ccu_clks),
.hw_clks = &sun8i_a23_hw_clks,
.resets = sun8i_a23_ccu_resets,
.num_resets = ARRAY_SIZE(sun8i_a23_ccu_resets),
};
static int sun8i_a23_ccu_probe(struct platform_device *pdev)
{
void __iomem *reg;
u32 val;
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_A23_PLL_AUDIO_REG);
val &= ~GENMASK(19 , 16 );
writel(val | (0 << 16 ), reg + SUN8I_A23_PLL_AUDIO_REG);
/* Force PLL-MIPI to MIPI mode */
val = readl(reg + SUN8I_A23_PLL_MIPI_REG);
val &= ~BIT(16 );
writel(val, reg + SUN8I_A23_PLL_MIPI_REG);
return devm_sunxi_ccu_probe(&pdev->dev, reg, &sun8i_a23_ccu_desc);
}
static const struct of_device_id sun8i_a23_ccu_ids[] = {
{ .compatible = "allwinner,sun8i-a23-ccu" },
{ }
};
MODULE_DEVICE_TABLE(of, sun8i_a23_ccu_ids);
static struct platform_driver sun8i_a23_ccu_driver = {
.probe = sun8i_a23_ccu_probe,
.driver = {
.name = "sun8i-a23-ccu" ,
.suppress_bind_attrs = true ,
.of_match_table = sun8i_a23_ccu_ids,
},
};
module_platform_driver(sun8i_a23_ccu_driver);
MODULE_IMPORT_NS("SUNXI_CCU" );
MODULE_DESCRIPTION("Support for the Allwinner A23 CCU" );
MODULE_LICENSE("GPL" );
Messung V0.5 in Prozent C=95 H=94 G=94
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-06-08)
¤
*© Formatika GbR, Deutschland