linux/drivers/clk/actions/owl-s700.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Actions Semi S700 clock driver
   4 *
   5 * Copyright (c) 2014 Actions Semi Inc.
   6 * Author: David Liu <liuwei@actions-semi.com>
   7 *
   8 * Author: Pathiban Nallathambi <pn@denx.de>
   9 * Author: Saravanan Sekar <sravanhome@gmail.com>
  10 */
  11
  12#include <linux/clk-provider.h>
  13#include <linux/platform_device.h>
  14
  15#include "owl-common.h"
  16#include "owl-composite.h"
  17#include "owl-divider.h"
  18#include "owl-factor.h"
  19#include "owl-fixed-factor.h"
  20#include "owl-gate.h"
  21#include "owl-mux.h"
  22#include "owl-pll.h"
  23#include "owl-reset.h"
  24
  25#include <dt-bindings/clock/actions,s700-cmu.h>
  26#include <dt-bindings/reset/actions,s700-reset.h>
  27
  28#define CMU_COREPLL             (0x0000)
  29#define CMU_DEVPLL              (0x0004)
  30#define CMU_DDRPLL              (0x0008)
  31#define CMU_NANDPLL             (0x000C)
  32#define CMU_DISPLAYPLL          (0x0010)
  33#define CMU_AUDIOPLL            (0x0014)
  34#define CMU_TVOUTPLL            (0x0018)
  35#define CMU_BUSCLK              (0x001C)
  36#define CMU_SENSORCLK           (0x0020)
  37#define CMU_LCDCLK              (0x0024)
  38#define CMU_DSIPLLCLK           (0x0028)
  39#define CMU_CSICLK              (0x002C)
  40#define CMU_DECLK               (0x0030)
  41#define CMU_SICLK               (0x0034)
  42#define CMU_BUSCLK1             (0x0038)
  43#define CMU_HDECLK              (0x003C)
  44#define CMU_VDECLK              (0x0040)
  45#define CMU_VCECLK              (0x0044)
  46#define CMU_NANDCCLK            (0x004C)
  47#define CMU_SD0CLK              (0x0050)
  48#define CMU_SD1CLK              (0x0054)
  49#define CMU_SD2CLK              (0x0058)
  50#define CMU_UART0CLK            (0x005C)
  51#define CMU_UART1CLK            (0x0060)
  52#define CMU_UART2CLK            (0x0064)
  53#define CMU_UART3CLK            (0x0068)
  54#define CMU_UART4CLK            (0x006C)
  55#define CMU_UART5CLK            (0x0070)
  56#define CMU_UART6CLK            (0x0074)
  57#define CMU_PWM0CLK             (0x0078)
  58#define CMU_PWM1CLK             (0x007C)
  59#define CMU_PWM2CLK             (0x0080)
  60#define CMU_PWM3CLK             (0x0084)
  61#define CMU_PWM4CLK             (0x0088)
  62#define CMU_PWM5CLK             (0x008C)
  63#define CMU_GPU3DCLK            (0x0090)
  64#define CMU_CORECTL             (0x009C)
  65#define CMU_DEVCLKEN0           (0x00A0)
  66#define CMU_DEVCLKEN1           (0x00A4)
  67#define CMU_DEVRST0             (0x00A8)
  68#define CMU_DEVRST1             (0x00AC)
  69#define CMU_USBPLL              (0x00B0)
  70#define CMU_ETHERNETPLL         (0x00B4)
  71#define CMU_CVBSPLL             (0x00B8)
  72#define CMU_SSTSCLK             (0x00C0)
  73
  74static struct clk_pll_table clk_audio_pll_table[] = {
  75        {0, 45158400}, {1, 49152000},
  76        {0, 0},
  77};
  78
  79static struct clk_pll_table clk_cvbs_pll_table[] = {
  80        {27, 29 * 12000000}, {28, 30 * 12000000}, {29, 31 * 12000000},
  81        {30, 32 * 12000000}, {31, 33 * 12000000}, {32, 34 * 12000000},
  82        {33, 35 * 12000000}, {34, 36 * 12000000}, {35, 37 * 12000000},
  83        {36, 38 * 12000000}, {37, 39 * 12000000}, {38, 40 * 12000000},
  84        {39, 41 * 12000000}, {40, 42 * 12000000}, {41, 43 * 12000000},
  85        {42, 44 * 12000000}, {43, 45 * 12000000}, {0, 0},
  86};
  87
  88/* pll clocks */
  89static OWL_PLL_NO_PARENT(clk_core_pll,   "core_pll", CMU_COREPLL, 12000000, 9, 0, 8,  4, 174, NULL, CLK_IGNORE_UNUSED);
  90static OWL_PLL_NO_PARENT(clk_dev_pll,    "dev_pll", CMU_DEVPLL,  6000000, 8, 0, 8, 8, 126, NULL, CLK_IGNORE_UNUSED);
  91static OWL_PLL_NO_PARENT(clk_ddr_pll,    "ddr_pll", CMU_DDRPLL, 6000000, 8, 0, 8,  2,  180, NULL, CLK_IGNORE_UNUSED);
  92static OWL_PLL_NO_PARENT(clk_nand_pll,   "nand_pll", CMU_NANDPLL,  6000000, 8, 0, 8,  2, 86, NULL, CLK_IGNORE_UNUSED);
  93static OWL_PLL_NO_PARENT(clk_display_pll, "display_pll", CMU_DISPLAYPLL, 6000000, 8, 0, 8, 2, 140, NULL, CLK_IGNORE_UNUSED);
  94static OWL_PLL_NO_PARENT(clk_cvbs_pll, "cvbs_pll", CMU_CVBSPLL, 0, 8, 0, 8, 27, 43, clk_cvbs_pll_table, CLK_IGNORE_UNUSED);
  95static OWL_PLL_NO_PARENT(clk_audio_pll,  "audio_pll", CMU_AUDIOPLL, 0, 4, 0, 1, 0, 0, clk_audio_pll_table, CLK_IGNORE_UNUSED);
  96static OWL_PLL_NO_PARENT(clk_ethernet_pll, "ethernet_pll", CMU_ETHERNETPLL, 500000000, 0, 0, 0, 0, 0, NULL, CLK_IGNORE_UNUSED);
  97
  98static const char *cpu_clk_mux_p[] = {"losc", "hosc", "core_pll", "noc1_clk_div"};
  99static const char *dev_clk_p[] = { "hosc", "dev_pll"};
 100static const char *noc_clk_mux_p[] = { "dev_clk", "display_pll", "nand_pll", "ddr_pll", "cvbs_pll"};
 101
 102static const char *csi_clk_mux_p[] = { "display_pll", "dev_clk"};
 103static const char *de_clk_mux_p[] = { "display_pll", "dev_clk"};
 104static const char *hde_clk_mux_p[] = { "dev_clk", "display_pll", "nand_pll", "ddr_pll"};
 105static const char *nand_clk_mux_p[] = { "nand_pll", "display_pll", "dev_clk", "ddr_pll"};
 106static const char *sd_clk_mux_p[] = { "dev_clk", "nand_pll", };
 107static const char *uart_clk_mux_p[] = { "hosc", "dev_pll"};
 108static const char *pwm_clk_mux_p[] = { "losc", "hosc"};
 109static const char *gpu_clk_mux_p[] = { "dev_clk", "display_pll", "nand_pll", "ddr_clk", "cvbs_pll"};
 110static const char *lcd_clk_mux_p[] = { "display_pll", "dev_clk" };
 111static const char *i2s_clk_mux_p[] = { "audio_pll" };
 112static const char *sensor_clk_mux_p[] = { "hosc", "si"};
 113
 114/* mux clocks */
 115static OWL_MUX(clk_cpu, "cpu_clk", cpu_clk_mux_p,  CMU_BUSCLK, 0, 2, CLK_SET_RATE_PARENT);
 116static OWL_MUX(clk_dev, "dev_clk", dev_clk_p, CMU_DEVPLL, 12, 1, CLK_SET_RATE_PARENT);
 117static OWL_MUX(clk_noc0_clk_mux, "noc0_clk_mux", noc_clk_mux_p, CMU_BUSCLK, 4, 3, CLK_SET_RATE_PARENT);
 118static OWL_MUX(clk_noc1_clk_mux, "noc1_clk_mux", noc_clk_mux_p, CMU_BUSCLK1, 4, 3, CLK_SET_RATE_PARENT);
 119static OWL_MUX(clk_hp_clk_mux, "hp_clk_mux", noc_clk_mux_p, CMU_BUSCLK1, 8, 3, CLK_SET_RATE_PARENT);
 120
 121static struct clk_factor_table sd_factor_table[] = {
 122        /* bit0 ~ 4 */
 123        {0, 1, 1}, {1, 1, 2}, {2, 1, 3}, {3, 1, 4},
 124        {4, 1, 5}, {5, 1, 6}, {6, 1, 7}, {7, 1, 8},
 125        {8, 1, 9}, {9, 1, 10}, {10, 1, 11}, {11, 1, 12},
 126        {12, 1, 13}, {13, 1, 14}, {14, 1, 15}, {15, 1, 16},
 127        {16, 1, 17}, {17, 1, 18}, {18, 1, 19}, {19, 1, 20},
 128        {20, 1, 21}, {21, 1, 22}, {22, 1, 23}, {23, 1, 24},
 129        {24, 1, 25}, {25, 1, 26},
 130
 131        /* bit8: /128 */
 132        {256, 1, 1 * 128}, {257, 1, 2 * 128}, {258, 1, 3 * 128}, {259, 1, 4 * 128},
 133        {260, 1, 5 * 128}, {261, 1, 6 * 128}, {262, 1, 7 * 128}, {263, 1, 8 * 128},
 134        {264, 1, 9 * 128}, {265, 1, 10 * 128}, {266, 1, 11 * 128}, {267, 1, 12 * 128},
 135        {268, 1, 13 * 128}, {269, 1, 14 * 128}, {270, 1, 15 * 128}, {271, 1, 16 * 128},
 136        {272, 1, 17 * 128}, {273, 1, 18 * 128}, {274, 1, 19 * 128}, {275, 1, 20 * 128},
 137        {276, 1, 21 * 128}, {277, 1, 22 * 128}, {278, 1, 23 * 128}, {279, 1, 24 * 128},
 138        {280, 1, 25 * 128}, {281, 1, 26 * 128},
 139
 140        {0, 0},
 141};
 142
 143static struct clk_factor_table lcd_factor_table[] = {
 144        /* bit0 ~ 3 */
 145        {0, 1, 1}, {1, 1, 2}, {2, 1, 3}, {3, 1, 4},
 146        {4, 1, 5}, {5, 1, 6}, {6, 1, 7}, {7, 1, 8},
 147        {8, 1, 9}, {9, 1, 10}, {10, 1, 11}, {11, 1, 12},
 148
 149        /* bit8: /7 */
 150        {256, 1, 1 * 7}, {257, 1, 2 * 7}, {258, 1, 3 * 7}, {259, 1, 4 * 7},
 151        {260, 1, 5 * 7}, {261, 1, 6 * 7}, {262, 1, 7 * 7}, {263, 1, 8 * 7},
 152        {264, 1, 9 * 7}, {265, 1, 10 * 7}, {266, 1, 11 * 7}, {267, 1, 12 * 7},
 153        {0, 0},
 154};
 155
 156static struct clk_div_table hdmia_div_table[] = {
 157        {0, 1},   {1, 2},   {2, 3},   {3, 4},
 158        {4, 6},   {5, 8},   {6, 12},  {7, 16},
 159        {8, 24},
 160        {0, 0},
 161};
 162
 163static struct clk_div_table rmii_div_table[] = {
 164        {0, 4},   {1, 10},
 165};
 166
 167/* divider clocks */
 168static OWL_DIVIDER(clk_noc0, "noc0_clk", "noc0_clk_mux", CMU_BUSCLK, 16, 2, NULL, 0, 0);
 169static OWL_DIVIDER(clk_noc1, "noc1_clk", "noc1_clk_mux", CMU_BUSCLK1, 16, 2, NULL, 0, 0);
 170static OWL_DIVIDER(clk_noc1_clk_div, "noc1_clk_div", "noc1_clk", CMU_BUSCLK1, 20, 1, NULL, 0, 0);
 171static OWL_DIVIDER(clk_hp_clk_div, "hp_clk_div", "hp_clk_mux", CMU_BUSCLK1, 12, 2, NULL, 0, 0);
 172static OWL_DIVIDER(clk_ahb, "ahb_clk", "hp_clk_div", CMU_BUSCLK1, 2, 2, NULL, 0, 0);
 173static OWL_DIVIDER(clk_apb, "apb_clk", "ahb_clk", CMU_BUSCLK1, 14, 2, NULL, 0, 0);
 174static OWL_DIVIDER(clk_sensor0, "sensor0", "sensor_src", CMU_SENSORCLK, 0, 4, NULL, 0, 0);
 175static OWL_DIVIDER(clk_sensor1, "sensor1", "sensor_src", CMU_SENSORCLK, 8, 4, NULL, 0, 0);
 176static OWL_DIVIDER(clk_rmii_ref, "rmii_ref", "ethernet_pll", CMU_ETHERNETPLL, 2, 1, rmii_div_table, 0, 0);
 177
 178static struct clk_factor_table de_factor_table[] = {
 179        {0, 1, 1}, {1, 2, 3}, {2, 1, 2}, {3, 2, 5},
 180        {4, 1, 3}, {5, 1, 4}, {6, 1, 6}, {7, 1, 8},
 181        {8, 1, 12}, {0, 0, 0},
 182};
 183
 184static struct clk_factor_table hde_factor_table[] = {
 185        {0, 1, 1}, {1, 2, 3}, {2, 1, 2}, {3, 2, 5},
 186        {4, 1, 3}, {5, 1, 4}, {6, 1, 6}, {7, 1, 8},
 187        {0, 0, 0},
 188};
 189
 190/* gate clocks */
 191static OWL_GATE(clk_gpio, "gpio", "apb_clk", CMU_DEVCLKEN1, 25, 0, 0);
 192static OWL_GATE(clk_dmac, "dmac", "hp_clk_div", CMU_DEVCLKEN0, 17, 0, 0);
 193static OWL_GATE(clk_timer, "timer", "hosc", CMU_DEVCLKEN1, 22, 0, 0);
 194static OWL_GATE_NO_PARENT(clk_dsi, "dsi_clk", CMU_DEVCLKEN0, 2, 0, 0);
 195static OWL_GATE_NO_PARENT(clk_tvout, "tvout_clk", CMU_DEVCLKEN0, 3, 0, 0);
 196static OWL_GATE_NO_PARENT(clk_hdmi_dev, "hdmi_dev", CMU_DEVCLKEN0, 5, 0, 0);
 197static OWL_GATE_NO_PARENT(clk_usb3_480mpll0, "usb3_480mpll0", CMU_USBPLL, 3, 0, 0);
 198static OWL_GATE_NO_PARENT(clk_usb3_480mphy0, "usb3_480mphy0", CMU_USBPLL, 2, 0, 0);
 199static OWL_GATE_NO_PARENT(clk_usb3_5gphy, "usb3_5gphy", CMU_USBPLL, 1, 0, 0);
 200static OWL_GATE_NO_PARENT(clk_usb3_cce, "usb3_cce", CMU_DEVCLKEN0, 25, 0, 0);
 201static OWL_GATE(clk_i2c0, "i2c0", "hosc", CMU_DEVCLKEN1, 0, 0, 0);
 202static OWL_GATE(clk_i2c1, "i2c1", "hosc", CMU_DEVCLKEN1, 1, 0, 0);
 203static OWL_GATE(clk_i2c2, "i2c2", "hosc", CMU_DEVCLKEN1, 2, 0, 0);
 204static OWL_GATE(clk_i2c3, "i2c3", "hosc", CMU_DEVCLKEN1, 3, 0, 0);
 205static OWL_GATE(clk_spi0, "spi0", "ahb_clk", CMU_DEVCLKEN1, 4, 0, 0);
 206static OWL_GATE(clk_spi1, "spi1", "ahb_clk", CMU_DEVCLKEN1, 5, 0, 0);
 207static OWL_GATE(clk_spi2, "spi2", "ahb_clk", CMU_DEVCLKEN1, 6, 0, 0);
 208static OWL_GATE(clk_spi3, "spi3", "ahb_clk", CMU_DEVCLKEN1, 7, 0, 0);
 209static OWL_GATE_NO_PARENT(clk_usb2h0_pllen, "usbh0_pllen", CMU_USBPLL, 12, 0, 0);
 210static OWL_GATE_NO_PARENT(clk_usb2h0_phy, "usbh0_phy", CMU_USBPLL, 10, 0, 0);
 211static OWL_GATE_NO_PARENT(clk_usb2h0_cce, "usbh0_cce", CMU_DEVCLKEN0, 26, 0, 0);
 212static OWL_GATE_NO_PARENT(clk_usb2h1_pllen, "usbh1_pllen", CMU_USBPLL, 13, 0, 0);
 213static OWL_GATE_NO_PARENT(clk_usb2h1_phy, "usbh1_phy", CMU_USBPLL, 11, 0, 0);
 214static OWL_GATE_NO_PARENT(clk_usb2h1_cce, "usbh1_cce", CMU_DEVCLKEN0, 27, 0, 0);
 215static OWL_GATE_NO_PARENT(clk_irc_switch, "irc_switch", CMU_DEVCLKEN1, 15, 0, 0);
 216
 217/* composite clocks */
 218
 219static OWL_COMP_DIV(clk_csi, "csi", csi_clk_mux_p,
 220                        OWL_MUX_HW(CMU_CSICLK, 4, 1),
 221                        OWL_GATE_HW(CMU_DEVCLKEN0, 13, 0),
 222                        OWL_DIVIDER_HW(CMU_CSICLK, 0, 4, 0, NULL),
 223                        0);
 224
 225static OWL_COMP_DIV(clk_si, "si", csi_clk_mux_p,
 226                        OWL_MUX_HW(CMU_SICLK, 4, 1),
 227                        OWL_GATE_HW(CMU_DEVCLKEN0, 14,  0),
 228                        OWL_DIVIDER_HW(CMU_SICLK, 0, 4, 0, NULL),
 229                        0);
 230
 231static OWL_COMP_FACTOR(clk_de, "de", de_clk_mux_p,
 232                        OWL_MUX_HW(CMU_DECLK, 12, 1),
 233                        OWL_GATE_HW(CMU_DEVCLKEN0, 0,  0),
 234                        OWL_FACTOR_HW(CMU_DECLK, 0, 3, 0, de_factor_table),
 235                        0);
 236
 237static OWL_COMP_FACTOR(clk_hde, "hde", hde_clk_mux_p,
 238                        OWL_MUX_HW(CMU_HDECLK, 4, 2),
 239                        OWL_GATE_HW(CMU_DEVCLKEN0, 9, 0),
 240                        OWL_FACTOR_HW(CMU_HDECLK, 0, 3, 0, hde_factor_table),
 241                        0);
 242
 243static OWL_COMP_FACTOR(clk_vde, "vde", hde_clk_mux_p,
 244                        OWL_MUX_HW(CMU_VDECLK, 4, 2),
 245                        OWL_GATE_HW(CMU_DEVCLKEN0, 10,  0),
 246                        OWL_FACTOR_HW(CMU_VDECLK, 0, 3, 0, hde_factor_table),
 247                        0);
 248
 249static OWL_COMP_FACTOR(clk_vce, "vce", hde_clk_mux_p,
 250                        OWL_MUX_HW(CMU_VCECLK, 4, 2),
 251                        OWL_GATE_HW(CMU_DEVCLKEN0, 11, 0),
 252                        OWL_FACTOR_HW(CMU_VCECLK, 0, 3, 0, hde_factor_table),
 253                        0);
 254
 255static OWL_COMP_DIV(clk_nand, "nand", nand_clk_mux_p,
 256                        OWL_MUX_HW(CMU_NANDCCLK, 8, 2),
 257                        OWL_GATE_HW(CMU_DEVCLKEN0, 21, 0),
 258                        OWL_DIVIDER_HW(CMU_NANDCCLK, 0, 3, 0, NULL),
 259                        CLK_SET_RATE_PARENT);
 260
 261static OWL_COMP_FACTOR(clk_sd0, "sd0", sd_clk_mux_p,
 262                        OWL_MUX_HW(CMU_SD0CLK, 9, 1),
 263                        OWL_GATE_HW(CMU_DEVCLKEN0, 22, 0),
 264                        OWL_FACTOR_HW(CMU_SD0CLK, 0, 9, 0, sd_factor_table),
 265                        0);
 266
 267static OWL_COMP_FACTOR(clk_sd1, "sd1", sd_clk_mux_p,
 268                        OWL_MUX_HW(CMU_SD1CLK, 9, 1),
 269                        OWL_GATE_HW(CMU_DEVCLKEN0, 23, 0),
 270                        OWL_FACTOR_HW(CMU_SD1CLK, 0, 9, 0, sd_factor_table),
 271                        0);
 272
 273static OWL_COMP_FACTOR(clk_sd2, "sd2", sd_clk_mux_p,
 274                        OWL_MUX_HW(CMU_SD2CLK, 9, 1),
 275                        OWL_GATE_HW(CMU_DEVCLKEN0, 24, 0),
 276                        OWL_FACTOR_HW(CMU_SD2CLK, 0, 9, 0, sd_factor_table),
 277                        0);
 278
 279static OWL_COMP_DIV(clk_uart0, "uart0", uart_clk_mux_p,
 280                        OWL_MUX_HW(CMU_UART0CLK, 16, 1),
 281                        OWL_GATE_HW(CMU_DEVCLKEN1, 8, 0),
 282                        OWL_DIVIDER_HW(CMU_UART0CLK, 0, 9, CLK_DIVIDER_ROUND_CLOSEST, NULL),
 283                        0);
 284
 285static OWL_COMP_DIV(clk_uart1, "uart1", uart_clk_mux_p,
 286                        OWL_MUX_HW(CMU_UART1CLK, 16, 1),
 287                        OWL_GATE_HW(CMU_DEVCLKEN1, 9, 0),
 288                        OWL_DIVIDER_HW(CMU_UART1CLK, 0, 9, CLK_DIVIDER_ROUND_CLOSEST, NULL),
 289                        0);
 290
 291static OWL_COMP_DIV(clk_uart2, "uart2", uart_clk_mux_p,
 292                        OWL_MUX_HW(CMU_UART2CLK, 16, 1),
 293                        OWL_GATE_HW(CMU_DEVCLKEN1, 10, 0),
 294                        OWL_DIVIDER_HW(CMU_UART2CLK, 0, 9,  CLK_DIVIDER_ROUND_CLOSEST, NULL),
 295                        0);
 296
 297static OWL_COMP_DIV(clk_uart3, "uart3", uart_clk_mux_p,
 298                        OWL_MUX_HW(CMU_UART3CLK, 16, 1),
 299                        OWL_GATE_HW(CMU_DEVCLKEN1, 11, 0),
 300                        OWL_DIVIDER_HW(CMU_UART3CLK, 0, 9,  CLK_DIVIDER_ROUND_CLOSEST, NULL),
 301                        0);
 302
 303static OWL_COMP_DIV(clk_uart4, "uart4", uart_clk_mux_p,
 304                        OWL_MUX_HW(CMU_UART4CLK, 16, 1),
 305                        OWL_GATE_HW(CMU_DEVCLKEN1, 12, 0),
 306                        OWL_DIVIDER_HW(CMU_UART4CLK, 0, 9,  CLK_DIVIDER_ROUND_CLOSEST, NULL),
 307                        0);
 308
 309static OWL_COMP_DIV(clk_uart5, "uart5", uart_clk_mux_p,
 310                        OWL_MUX_HW(CMU_UART5CLK, 16, 1),
 311                        OWL_GATE_HW(CMU_DEVCLKEN1, 13, 0),
 312                        OWL_DIVIDER_HW(CMU_UART5CLK, 0, 9,  CLK_DIVIDER_ROUND_CLOSEST, NULL),
 313                        0);
 314
 315static OWL_COMP_DIV(clk_uart6, "uart6", uart_clk_mux_p,
 316                        OWL_MUX_HW(CMU_UART6CLK, 16, 1),
 317                        OWL_GATE_HW(CMU_DEVCLKEN1, 14, 0),
 318                        OWL_DIVIDER_HW(CMU_UART6CLK, 0, 9,  CLK_DIVIDER_ROUND_CLOSEST, NULL),
 319                        0);
 320
 321static OWL_COMP_DIV(clk_pwm0, "pwm0", pwm_clk_mux_p,
 322                        OWL_MUX_HW(CMU_PWM0CLK, 12, 1),
 323                        OWL_GATE_HW(CMU_DEVCLKEN1, 16, 0),
 324                        OWL_DIVIDER_HW(CMU_PWM0CLK, 0, 10, 0, NULL),
 325                        CLK_IGNORE_UNUSED);
 326
 327static OWL_COMP_DIV(clk_pwm1, "pwm1", pwm_clk_mux_p,
 328                        OWL_MUX_HW(CMU_PWM1CLK, 12, 1),
 329                        OWL_GATE_HW(CMU_DEVCLKEN1, 17, 0),
 330                        OWL_DIVIDER_HW(CMU_PWM1CLK, 0, 10, 0, NULL),
 331                        0);
 332
 333static OWL_COMP_DIV(clk_pwm2, "pwm2", pwm_clk_mux_p,
 334                        OWL_MUX_HW(CMU_PWM2CLK, 12, 1),
 335                        OWL_GATE_HW(CMU_DEVCLKEN1, 18, 0),
 336                        OWL_DIVIDER_HW(CMU_PWM2CLK, 0, 10, 0, NULL),
 337                        0);
 338
 339static OWL_COMP_DIV(clk_pwm3, "pwm3", pwm_clk_mux_p,
 340                        OWL_MUX_HW(CMU_PWM3CLK, 12, 1),
 341                        OWL_GATE_HW(CMU_DEVCLKEN1, 19, 0),
 342                        OWL_DIVIDER_HW(CMU_PWM3CLK, 0, 10, 0, NULL),
 343                        0);
 344
 345static OWL_COMP_DIV(clk_pwm4, "pwm4", pwm_clk_mux_p,
 346                        OWL_MUX_HW(CMU_PWM4CLK, 12, 1),
 347                        OWL_GATE_HW(CMU_DEVCLKEN1, 20, 0),
 348                        OWL_DIVIDER_HW(CMU_PWM4CLK, 0, 10, 0, NULL),
 349                        0);
 350
 351static OWL_COMP_DIV(clk_pwm5, "pwm5", pwm_clk_mux_p,
 352                        OWL_MUX_HW(CMU_PWM5CLK, 12, 1),
 353                        OWL_GATE_HW(CMU_DEVCLKEN1, 21, 0),
 354                        OWL_DIVIDER_HW(CMU_PWM5CLK, 0, 10, 0, NULL),
 355                        0);
 356
 357static OWL_COMP_FACTOR(clk_gpu3d, "gpu3d", gpu_clk_mux_p,
 358                        OWL_MUX_HW(CMU_GPU3DCLK, 4, 3),
 359                        OWL_GATE_HW(CMU_DEVCLKEN0, 8, 0),
 360                        OWL_FACTOR_HW(CMU_GPU3DCLK, 0, 3, 0, hde_factor_table),
 361                        0);
 362
 363static OWL_COMP_FACTOR(clk_lcd, "lcd", lcd_clk_mux_p,
 364                        OWL_MUX_HW(CMU_LCDCLK, 12, 2),
 365                        OWL_GATE_HW(CMU_DEVCLKEN0, 1, 0),
 366                        OWL_FACTOR_HW(CMU_LCDCLK, 0, 9, 0, lcd_factor_table),
 367                        0);
 368
 369static OWL_COMP_DIV(clk_hdmi_audio, "hdmia", i2s_clk_mux_p,
 370                        OWL_MUX_HW(CMU_AUDIOPLL, 24, 1), /*CMU_AUDIOPLL 24,1 unused*/
 371                        OWL_GATE_HW(CMU_DEVCLKEN1, 28, 0),
 372                        OWL_DIVIDER_HW(CMU_AUDIOPLL, 24, 4, 0, hdmia_div_table),
 373                        0);
 374
 375static OWL_COMP_DIV(clk_i2srx, "i2srx", i2s_clk_mux_p,
 376                        OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
 377                        OWL_GATE_HW(CMU_DEVCLKEN1, 27, 0),
 378                        OWL_DIVIDER_HW(CMU_AUDIOPLL, 20, 4, 0, hdmia_div_table),
 379                        0);
 380
 381static OWL_COMP_DIV(clk_i2stx, "i2stx", i2s_clk_mux_p,
 382                        OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
 383                        OWL_GATE_HW(CMU_DEVCLKEN1, 26, 0),
 384                        OWL_DIVIDER_HW(CMU_AUDIOPLL, 16, 4, 0, hdmia_div_table),
 385                        0);
 386
 387/* for bluetooth pcm communication */
 388static OWL_COMP_FIXED_FACTOR(clk_pcm1, "pcm1", "audio_pll",
 389                        OWL_GATE_HW(CMU_DEVCLKEN1, 31, 0),
 390                        1, 2, 0);
 391
 392static OWL_COMP_DIV(clk_sensor_src, "sensor_src", sensor_clk_mux_p,
 393                        OWL_MUX_HW(CMU_SENSORCLK, 4, 1),
 394                        {0},
 395                        OWL_DIVIDER_HW(CMU_SENSORCLK, 5, 2, 0, NULL),
 396                        0);
 397
 398static OWL_COMP_FIXED_FACTOR(clk_ethernet, "ethernet", "ethernet_pll",
 399                        OWL_GATE_HW(CMU_DEVCLKEN1, 23, 0),
 400                        1, 20, 0);
 401
 402static OWL_COMP_DIV_FIXED(clk_thermal_sensor, "thermal_sensor", "hosc",
 403                                OWL_GATE_HW(CMU_DEVCLKEN0, 31, 0),
 404                                OWL_DIVIDER_HW(CMU_SSTSCLK, 20, 10, 0, NULL),
 405                                0);
 406
 407static struct owl_clk_common *s700_clks[] = {
 408        &clk_core_pll.common,
 409        &clk_dev_pll.common,
 410        &clk_ddr_pll.common,
 411        &clk_nand_pll.common,
 412        &clk_display_pll.common,
 413        &clk_cvbs_pll .common,
 414        &clk_audio_pll.common,
 415        &clk_ethernet_pll.common,
 416        &clk_cpu.common,
 417        &clk_dev.common,
 418        &clk_ahb.common,
 419        &clk_apb.common,
 420        &clk_dmac.common,
 421        &clk_noc0_clk_mux.common,
 422        &clk_noc1_clk_mux.common,
 423        &clk_hp_clk_mux.common,
 424        &clk_hp_clk_div.common,
 425        &clk_noc1_clk_div.common,
 426        &clk_noc0.common,
 427        &clk_noc1.common,
 428        &clk_sensor_src.common,
 429        &clk_gpio.common,
 430        &clk_timer.common,
 431        &clk_dsi.common,
 432        &clk_csi.common,
 433        &clk_si.common,
 434        &clk_de.common,
 435        &clk_hde.common,
 436        &clk_vde.common,
 437        &clk_vce.common,
 438        &clk_nand.common,
 439        &clk_sd0.common,
 440        &clk_sd1.common,
 441        &clk_sd2.common,
 442        &clk_uart0.common,
 443        &clk_uart1.common,
 444        &clk_uart2.common,
 445        &clk_uart3.common,
 446        &clk_uart4.common,
 447        &clk_uart5.common,
 448        &clk_uart6.common,
 449        &clk_pwm0.common,
 450        &clk_pwm1.common,
 451        &clk_pwm2.common,
 452        &clk_pwm3.common,
 453        &clk_pwm4.common,
 454        &clk_pwm5.common,
 455        &clk_gpu3d.common,
 456        &clk_i2c0.common,
 457        &clk_i2c1.common,
 458        &clk_i2c2.common,
 459        &clk_i2c3.common,
 460        &clk_spi0.common,
 461        &clk_spi1.common,
 462        &clk_spi2.common,
 463        &clk_spi3.common,
 464        &clk_usb3_480mpll0.common,
 465        &clk_usb3_480mphy0.common,
 466        &clk_usb3_5gphy.common,
 467        &clk_usb3_cce.common,
 468        &clk_lcd.common,
 469        &clk_hdmi_audio.common,
 470        &clk_i2srx.common,
 471        &clk_i2stx.common,
 472        &clk_sensor0.common,
 473        &clk_sensor1.common,
 474        &clk_hdmi_dev.common,
 475        &clk_ethernet.common,
 476        &clk_rmii_ref.common,
 477        &clk_usb2h0_pllen.common,
 478        &clk_usb2h0_phy.common,
 479        &clk_usb2h0_cce.common,
 480        &clk_usb2h1_pllen.common,
 481        &clk_usb2h1_phy.common,
 482        &clk_usb2h1_cce.common,
 483        &clk_tvout.common,
 484        &clk_thermal_sensor.common,
 485        &clk_irc_switch.common,
 486        &clk_pcm1.common,
 487};
 488
 489static struct clk_hw_onecell_data s700_hw_clks = {
 490        .hws    = {
 491                        [CLK_CORE_PLL]                          = &clk_core_pll.common.hw,
 492                        [CLK_DEV_PLL]                           = &clk_dev_pll.common.hw,
 493                        [CLK_DDR_PLL]                           = &clk_ddr_pll.common.hw,
 494                        [CLK_NAND_PLL]                          = &clk_nand_pll.common.hw,
 495                        [CLK_DISPLAY_PLL]                       = &clk_display_pll.common.hw,
 496                        [CLK_CVBS_PLL]                          = &clk_cvbs_pll .common.hw,
 497                        [CLK_AUDIO_PLL]                         = &clk_audio_pll.common.hw,
 498                        [CLK_ETHERNET_PLL]                      = &clk_ethernet_pll.common.hw,
 499                        [CLK_CPU]                               = &clk_cpu.common.hw,
 500                        [CLK_DEV]                               = &clk_dev.common.hw,
 501                        [CLK_AHB]                               = &clk_ahb.common.hw,
 502                        [CLK_APB]                               = &clk_apb.common.hw,
 503                        [CLK_DMAC]                              = &clk_dmac.common.hw,
 504                        [CLK_NOC0_CLK_MUX]                      = &clk_noc0_clk_mux.common.hw,
 505                        [CLK_NOC1_CLK_MUX]                      = &clk_noc1_clk_mux.common.hw,
 506                        [CLK_HP_CLK_MUX]                        = &clk_hp_clk_mux.common.hw,
 507                        [CLK_HP_CLK_DIV]                        = &clk_hp_clk_div.common.hw,
 508                        [CLK_NOC1_CLK_DIV]                      = &clk_noc1_clk_div.common.hw,
 509                        [CLK_NOC0]                              = &clk_noc0.common.hw,
 510                        [CLK_NOC1]                              = &clk_noc1.common.hw,
 511                        [CLK_SENOR_SRC]                         = &clk_sensor_src.common.hw,
 512                        [CLK_GPIO]                              = &clk_gpio.common.hw,
 513                        [CLK_TIMER]                             = &clk_timer.common.hw,
 514                        [CLK_DSI]                               = &clk_dsi.common.hw,
 515                        [CLK_CSI]                               = &clk_csi.common.hw,
 516                        [CLK_SI]                                = &clk_si.common.hw,
 517                        [CLK_DE]                                = &clk_de.common.hw,
 518                        [CLK_HDE]                               = &clk_hde.common.hw,
 519                        [CLK_VDE]                               = &clk_vde.common.hw,
 520                        [CLK_VCE]                               = &clk_vce.common.hw,
 521                        [CLK_NAND]                              = &clk_nand.common.hw,
 522                        [CLK_SD0]                               = &clk_sd0.common.hw,
 523                        [CLK_SD1]                               = &clk_sd1.common.hw,
 524                        [CLK_SD2]                               = &clk_sd2.common.hw,
 525                        [CLK_UART0]                             = &clk_uart0.common.hw,
 526                        [CLK_UART1]                             = &clk_uart1.common.hw,
 527                        [CLK_UART2]                             = &clk_uart2.common.hw,
 528                        [CLK_UART3]                             = &clk_uart3.common.hw,
 529                        [CLK_UART4]                             = &clk_uart4.common.hw,
 530                        [CLK_UART5]                             = &clk_uart5.common.hw,
 531                        [CLK_UART6]                             = &clk_uart6.common.hw,
 532                        [CLK_PWM0]                              = &clk_pwm0.common.hw,
 533                        [CLK_PWM1]                              = &clk_pwm1.common.hw,
 534                        [CLK_PWM2]                              = &clk_pwm2.common.hw,
 535                        [CLK_PWM3]                              = &clk_pwm3.common.hw,
 536                        [CLK_PWM4]                              = &clk_pwm4.common.hw,
 537                        [CLK_PWM5]                              = &clk_pwm5.common.hw,
 538                        [CLK_GPU3D]                             = &clk_gpu3d.common.hw,
 539                        [CLK_I2C0]                              = &clk_i2c0.common.hw,
 540                        [CLK_I2C1]                              = &clk_i2c1.common.hw,
 541                        [CLK_I2C2]                              = &clk_i2c2.common.hw,
 542                        [CLK_I2C3]                              = &clk_i2c3.common.hw,
 543                        [CLK_SPI0]                              = &clk_spi0.common.hw,
 544                        [CLK_SPI1]                              = &clk_spi1.common.hw,
 545                        [CLK_SPI2]                              = &clk_spi2.common.hw,
 546                        [CLK_SPI3]                              = &clk_spi3.common.hw,
 547                        [CLK_USB3_480MPLL0]                     = &clk_usb3_480mpll0.common.hw,
 548                        [CLK_USB3_480MPHY0]                     = &clk_usb3_480mphy0.common.hw,
 549                        [CLK_USB3_5GPHY]                        = &clk_usb3_5gphy.common.hw,
 550                        [CLK_USB3_CCE]                          = &clk_usb3_cce.common.hw,
 551                        [CLK_LCD]                               = &clk_lcd.common.hw,
 552                        [CLK_HDMI_AUDIO]                        = &clk_hdmi_audio.common.hw,
 553                        [CLK_I2SRX]                             = &clk_i2srx.common.hw,
 554                        [CLK_I2STX]                             = &clk_i2stx.common.hw,
 555                        [CLK_SENSOR0]                           = &clk_sensor0.common.hw,
 556                        [CLK_SENSOR1]                           = &clk_sensor1.common.hw,
 557                        [CLK_HDMI_DEV]                          = &clk_hdmi_dev.common.hw,
 558                        [CLK_ETHERNET]                          = &clk_ethernet.common.hw,
 559                        [CLK_RMII_REF]                          = &clk_rmii_ref.common.hw,
 560                        [CLK_USB2H0_PLLEN]                      = &clk_usb2h0_pllen.common.hw,
 561                        [CLK_USB2H0_PHY]                        = &clk_usb2h0_phy.common.hw,
 562                        [CLK_USB2H0_CCE]                        = &clk_usb2h0_cce.common.hw,
 563                        [CLK_USB2H1_PLLEN]                      = &clk_usb2h1_pllen.common.hw,
 564                        [CLK_USB2H1_PHY]                        = &clk_usb2h1_phy.common.hw,
 565                        [CLK_USB2H1_CCE]                        = &clk_usb2h1_cce.common.hw,
 566                        [CLK_TVOUT]                             = &clk_tvout.common.hw,
 567                        [CLK_THERMAL_SENSOR]                    = &clk_thermal_sensor.common.hw,
 568                        [CLK_IRC_SWITCH]                        = &clk_irc_switch.common.hw,
 569                        [CLK_PCM1]                              = &clk_pcm1.common.hw,
 570                },
 571                .num    = CLK_NR_CLKS,
 572};
 573
 574static const struct owl_reset_map s700_resets[] = {
 575        [RESET_DE]      = { CMU_DEVRST0, BIT(0) },
 576        [RESET_LCD0]    = { CMU_DEVRST0, BIT(1) },
 577        [RESET_DSI]     = { CMU_DEVRST0, BIT(2) },
 578        [RESET_CSI]     = { CMU_DEVRST0, BIT(13) },
 579        [RESET_SI]      = { CMU_DEVRST0, BIT(14) },
 580        [RESET_I2C0]    = { CMU_DEVRST1, BIT(0) },
 581        [RESET_I2C1]    = { CMU_DEVRST1, BIT(1) },
 582        [RESET_I2C2]    = { CMU_DEVRST1, BIT(2) },
 583        [RESET_I2C3]    = { CMU_DEVRST1, BIT(3) },
 584        [RESET_SPI0]    = { CMU_DEVRST1, BIT(4) },
 585        [RESET_SPI1]    = { CMU_DEVRST1, BIT(5) },
 586        [RESET_SPI2]    = { CMU_DEVRST1, BIT(6) },
 587        [RESET_SPI3]    = { CMU_DEVRST1, BIT(7) },
 588        [RESET_UART0]   = { CMU_DEVRST1, BIT(8) },
 589        [RESET_UART1]   = { CMU_DEVRST1, BIT(9) },
 590        [RESET_UART2]   = { CMU_DEVRST1, BIT(10) },
 591        [RESET_UART3]   = { CMU_DEVRST1, BIT(11) },
 592        [RESET_UART4]   = { CMU_DEVRST1, BIT(12) },
 593        [RESET_UART5]   = { CMU_DEVRST1, BIT(13) },
 594        [RESET_UART6]   = { CMU_DEVRST1, BIT(14) },
 595        [RESET_KEY]     = { CMU_DEVRST1, BIT(24) },
 596        [RESET_GPIO]    = { CMU_DEVRST1, BIT(25) },
 597        [RESET_AUDIO]   = { CMU_DEVRST1, BIT(29) },
 598};
 599
 600static struct owl_clk_desc s700_clk_desc = {
 601        .clks       = s700_clks,
 602        .num_clks   = ARRAY_SIZE(s700_clks),
 603
 604        .hw_clks    = &s700_hw_clks,
 605
 606        .resets     = s700_resets,
 607        .num_resets = ARRAY_SIZE(s700_resets),
 608};
 609
 610static int s700_clk_probe(struct platform_device *pdev)
 611{
 612        struct owl_clk_desc *desc;
 613        struct owl_reset *reset;
 614        int ret;
 615
 616        desc = &s700_clk_desc;
 617        owl_clk_regmap_init(pdev, desc);
 618
 619        /*
 620         * FIXME: Reset controller registration should be moved to
 621         * common code, once all SoCs of Owl family supports it.
 622         */
 623        reset = devm_kzalloc(&pdev->dev, sizeof(*reset), GFP_KERNEL);
 624        if (!reset)
 625                return -ENOMEM;
 626
 627        reset->rcdev.of_node = pdev->dev.of_node;
 628        reset->rcdev.ops = &owl_reset_ops;
 629        reset->rcdev.nr_resets = desc->num_resets;
 630        reset->reset_map = desc->resets;
 631        reset->regmap = desc->regmap;
 632
 633        ret = devm_reset_controller_register(&pdev->dev, &reset->rcdev);
 634        if (ret)
 635                dev_err(&pdev->dev, "Failed to register reset controller\n");
 636
 637        return owl_clk_probe(&pdev->dev, desc->hw_clks);
 638}
 639
 640static const struct of_device_id s700_clk_of_match[] = {
 641        { .compatible = "actions,s700-cmu", },
 642        { /* sentinel */ }
 643};
 644
 645static struct platform_driver s700_clk_driver = {
 646        .probe = s700_clk_probe,
 647        .driver = {
 648                .name = "s700-cmu",
 649                .of_match_table = s700_clk_of_match
 650        },
 651};
 652
 653static int __init s700_clk_init(void)
 654{
 655        return platform_driver_register(&s700_clk_driver);
 656}
 657core_initcall(s700_clk_init);
 658