drivers/clk/actions/owl-s900.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 //
   3 // OWL S900 SoC clock driver
   4 //
   5 // Copyright (c) 2014 Actions Semi Inc.
   6 // Author: David Liu <liuwei@actions-semi.com>
   7 //
   8 // Copyright (c) 2018 Linaro Ltd.
   9 // Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
  10
  11 #include <linux/clk-provider.h>
  12 #include <linux/platform_device.h>
  13
  14 #include "owl-common.h"
  15 #include "owl-composite.h"
  16 #include "owl-divider.h"
  17 #include "owl-factor.h"
  18 #include "owl-fixed-factor.h"
  19 #include "owl-gate.h"
  20 #include "owl-mux.h"
  21 #include "owl-pll.h"
  22
  23 #include <dt-bindings/clock/actions,s900-cmu.h>
  24
  25 #define CMU_COREPLL             (0x0000)
  26 #define CMU_DEVPLL              (0x0004)
  27 #define CMU_DDRPLL              (0x0008)
  28 #define CMU_NANDPLL             (0x000C)
  29 #define CMU_DISPLAYPLL          (0x0010)
  30 #define CMU_AUDIOPLL            (0x0014)
  31 #define CMU_TVOUTPLL            (0x0018)
  32 #define CMU_BUSCLK              (0x001C)
  33 #define CMU_SENSORCLK           (0x0020)
  34 #define CMU_LCDCLK              (0x0024)
  35 #define CMU_DSICLK              (0x0028)
  36 #define CMU_CSICLK              (0x002C)
  37 #define CMU_DECLK               (0x0030)
  38 #define CMU_BISPCLK             (0x0034)
  39 #define CMU_IMXCLK              (0x0038)
  40 #define CMU_HDECLK              (0x003C)
  41 #define CMU_VDECLK              (0x0040)
  42 #define CMU_VCECLK              (0x0044)
  43 #define CMU_NANDCCLK            (0x004C)
  44 #define CMU_SD0CLK              (0x0050)
  45 #define CMU_SD1CLK              (0x0054)
  46 #define CMU_SD2CLK              (0x0058)
  47 #define CMU_UART0CLK            (0x005C)
  48 #define CMU_UART1CLK            (0x0060)
  49 #define CMU_UART2CLK            (0x0064)
  50 #define CMU_PWM0CLK             (0x0070)
  51 #define CMU_PWM1CLK             (0x0074)
  52 #define CMU_PWM2CLK             (0x0078)
  53 #define CMU_PWM3CLK             (0x007C)
  54 #define CMU_USBPLL              (0x0080)
  55 #define CMU_ASSISTPLL           (0x0084)
  56 #define CMU_EDPCLK              (0x0088)
  57 #define CMU_GPU3DCLK            (0x0090)
  58 #define CMU_CORECTL             (0x009C)
  59 #define CMU_DEVCLKEN0           (0x00A0)
  60 #define CMU_DEVCLKEN1           (0x00A4)
  61 #define CMU_DEVRST0             (0x00A8)
  62 #define CMU_DEVRST1             (0x00AC)
  63 #define CMU_UART3CLK            (0x00B0)
  64 #define CMU_UART4CLK            (0x00B4)
  65 #define CMU_UART5CLK            (0x00B8)
  66 #define CMU_UART6CLK            (0x00BC)
  67 #define CMU_TLSCLK              (0x00C0)
  68 #define CMU_SD3CLK              (0x00C4)
  69 #define CMU_PWM4CLK             (0x00C8)
  70 #define CMU_PWM5CLK             (0x00CC)
  71
  72 static struct clk_pll_table clk_audio_pll_table[] = {
  73         { 0, 45158400 }, { 1, 49152000 },
  74         { 0, 0 },
  75 };
  76
  77 static struct clk_pll_table clk_edp_pll_table[] = {
  78         { 0, 810000000 }, { 1, 135000000 }, { 2, 270000000 },
  79         { 0, 0 },
  80 };
  81
  82 /* pll clocks */
  83 static OWL_PLL_NO_PARENT(core_pll_clk, "core_pll_clk", CMU_COREPLL, 24000000, 9, 0, 8, 5, 107, NULL, CLK_IGNORE_UNUSED);
  84 static OWL_PLL_NO_PARENT(dev_pll_clk, "dev_pll_clk", CMU_DEVPLL, 6000000, 8, 0, 8, 20, 180, NULL, CLK_IGNORE_UNUSED);
  85 static OWL_PLL_NO_PARENT(ddr_pll_clk, "ddr_pll_clk", CMU_DDRPLL, 24000000, 8, 0, 8, 5, 45, NULL, CLK_IGNORE_UNUSED);
  86 static OWL_PLL_NO_PARENT(nand_pll_clk, "nand_pll_clk", CMU_NANDPLL, 6000000, 8, 0, 8, 4, 100, NULL, CLK_IGNORE_UNUSED);
  87 static OWL_PLL_NO_PARENT(display_pll_clk, "display_pll_clk", CMU_DISPLAYPLL, 6000000, 8, 0, 8, 20, 180, NULL, CLK_IGNORE_UNUSED);
  88 static OWL_PLL_NO_PARENT(assist_pll_clk, "assist_pll_clk", CMU_ASSISTPLL, 500000000, 0, 0, 0, 0, 0, NULL, CLK_IGNORE_UNUSED);
  89 static OWL_PLL_NO_PARENT(audio_pll_clk, "audio_pll_clk", CMU_AUDIOPLL, 0, 4, 0, 1, 0, 0, clk_audio_pll_table, CLK_IGNORE_UNUSED);
  90 static OWL_PLL(edp_pll_clk, "edp_pll_clk", "edp24M_clk", CMU_EDPCLK, 0, 9, 0, 2, 0, 0, clk_edp_pll_table, CLK_IGNORE_UNUSED);
  91
  92 static const char *cpu_clk_mux_p[] = { "losc", "hosc", "core_pll_clk", };
  93 static const char *dev_clk_p[] = { "hosc", "dev_pll_clk", };
  94 static const char *noc_clk_mux_p[] = { "dev_clk", "assist_pll_clk", };
  95 static const char *dmm_clk_mux_p[] = { "dev_clk", "nand_pll_clk", "assist_pll_clk", "ddr_clk_src", };
  96 static const char *bisp_clk_mux_p[] = { "assist_pll_clk", "dev_clk", };
  97 static const char *csi_clk_mux_p[] = { "display_pll_clk", "dev_clk", };
  98 static const char *de_clk_mux_p[] = { "assist_pll_clk", "dev_clk", };
  99 static const char *gpu_clk_mux_p[] = { "dev_clk", "display_pll_clk", "ddr_clk_src", };
 100 static const char *hde_clk_mux_p[] = { "dev_clk", "display_pll_clk", "ddr_clk_src", };
 101 static const char *imx_clk_mux_p[] = { "assist_pll_clk", "dev_clk", };
 102 static const char *lcd_clk_mux_p[] = { "display_pll_clk", "nand_pll_clk", };
 103 static const char *nand_clk_mux_p[] = { "dev_clk", "nand_pll_clk", };
 104 static const char *sd_clk_mux_p[] = { "dev_clk", "nand_pll_clk", };
 105 static const char *sensor_clk_mux_p[] = { "hosc", "bisp_clk", };
 106 static const char *uart_clk_mux_p[] = { "hosc", "dev_pll_clk", };
 107 static const char *vce_clk_mux_p[] = { "dev_clk", "display_pll_clk", "assist_pll_clk", "ddr_clk_src", };
 108 static const char *i2s_clk_mux_p[] = { "audio_pll_clk", };
 109 static const char *edp_clk_mux_p[] = { "assist_pll_clk", "display_pll_clk", };
 110
 111 /* mux clocks */
 112 static OWL_MUX(cpu_clk, "cpu_clk", cpu_clk_mux_p, CMU_BUSCLK, 0, 2, CLK_SET_RATE_PARENT);
 113 static OWL_MUX(dev_clk, "dev_clk", dev_clk_p, CMU_DEVPLL, 12, 1, CLK_SET_RATE_PARENT);
 114 static OWL_MUX(noc_clk_mux, "noc_clk_mux", noc_clk_mux_p, CMU_BUSCLK, 7, 1, CLK_SET_RATE_PARENT);
 115
 116 static struct clk_div_table nand_div_table[] = {
 117         { 0, 1 }, { 1, 2 }, { 2, 4 }, { 3, 6 },
 118         { 4, 8 }, { 5, 10 }, { 6, 12 }, { 7, 14 },
 119         { 8, 16 }, { 9, 18 }, { 10, 20 }, { 11, 22 },
 120         { 12, 24 }, { 13, 26 }, { 14, 28 }, { 15, 30 },
 121         { 0, 0 },
 122 };
 123
 124 static struct clk_div_table apb_div_table[] = {
 125         { 1, 2 }, { 2, 3 }, { 3, 4 },
 126         { 0, 0 },
 127 };
 128
 129 static struct clk_div_table eth_mac_div_table[] = {
 130         { 0, 2 }, { 1, 4 },
 131         { 0, 0 },
 132 };
 133
 134 static struct clk_div_table rmii_ref_div_table[] = {
 135         { 0, 4 },         { 1, 10 },
 136         { 0, 0 },
 137 };
 138
 139 static struct clk_div_table usb3_mac_div_table[] = {
 140         { 1, 2 }, { 2, 3 }, { 3, 4 },
 141         { 0, 0 }
 142 };
 143
 144 static struct clk_div_table i2s_div_table[] = {
 145         { 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 },
 146         { 4, 6 }, { 5, 8 }, { 6, 12 }, { 7, 16 },
 147         { 8, 24 },
 148         { 0, 0 },
 149 };
 150
 151 static struct clk_div_table hdmia_div_table[] = {
 152         { 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 },
 153         { 4, 6 }, { 5, 8 }, { 6, 12 }, { 7, 16 },
 154         { 8, 24 },
 155         { 0, 0 },
 156 };
 157
 158 /* divider clocks */
 159 static OWL_DIVIDER(noc_clk_div, "noc_clk_div", "noc_clk", CMU_BUSCLK, 19, 1, NULL, 0, 0);
 160 static OWL_DIVIDER(ahb_clk, "ahb_clk", "noc_clk_div", CMU_BUSCLK, 4, 1, NULL, 0, 0);
 161 static OWL_DIVIDER(apb_clk, "apb_clk", "ahb_clk", CMU_BUSCLK, 8, 2, apb_div_table, 0, 0);
 162 static OWL_DIVIDER(usb3_mac_clk, "usb3_mac_clk", "assist_pll_clk", CMU_ASSISTPLL, 12, 2, usb3_mac_div_table, 0, 0);
 163 static OWL_DIVIDER(rmii_ref_clk, "rmii_ref_clk", "assist_pll_clk", CMU_ASSISTPLL, 8, 1, rmii_ref_div_table, 0, 0);
 164
 165 static struct clk_factor_table sd_factor_table[] = {
 166         /* bit0 ~ 4 */
 167         { 0, 1, 1 }, { 1, 1, 2 }, { 2, 1, 3 }, { 3, 1, 4 },
 168         { 4, 1, 5 }, { 5, 1, 6 }, { 6, 1, 7 }, { 7, 1, 8 },
 169         { 8, 1, 9 }, { 9, 1, 10 }, { 10, 1, 11 }, { 11, 1, 12 },
 170         { 12, 1, 13 }, { 13, 1, 14 }, { 14, 1, 15 }, { 15, 1, 16 },
 171         { 16, 1, 17 }, { 17, 1, 18 }, { 18, 1, 19 }, { 19, 1, 20 },
 172         { 20, 1, 21 }, { 21, 1, 22 }, { 22, 1, 23 }, { 23, 1, 24 },
 173         { 24, 1, 25 }, { 25, 1, 26 }, { 26, 1, 27 }, { 27, 1, 28 },
 174         { 28, 1, 29 }, { 29, 1, 30 }, { 30, 1, 31 }, { 31, 1, 32 },
 175
 176         /* bit8: /128 */
 177         { 256, 1, 1 * 128 }, { 257, 1, 2 * 128 }, { 258, 1, 3 * 128 }, { 259, 1, 4 * 128 },
 178         { 260, 1, 5 * 128 }, { 261, 1, 6 * 128 }, { 262, 1, 7 * 128 }, { 263, 1, 8 * 128 },
 179         { 264, 1, 9 * 128 }, { 265, 1, 10 * 128 }, { 266, 1, 11 * 128 }, { 267, 1, 12 * 128 },
 180         { 268, 1, 13 * 128 }, { 269, 1, 14 * 128 }, { 270, 1, 15 * 128 }, { 271, 1, 16 * 128 },
 181         { 272, 1, 17 * 128 }, { 273, 1, 18 * 128 }, { 274, 1, 19 * 128 }, { 275, 1, 20 * 128 },
 182         { 276, 1, 21 * 128 }, { 277, 1, 22 * 128 }, { 278, 1, 23 * 128 }, { 279, 1, 24 * 128 },
 183         { 280, 1, 25 * 128 }, { 281, 1, 26 * 128 }, { 282, 1, 27 * 128 }, { 283, 1, 28 * 128 },
 184         { 284, 1, 29 * 128 }, { 285, 1, 30 * 128 }, { 286, 1, 31 * 128 }, { 287, 1, 32 * 128 },
 185
 186         { 0, 0 },
 187 };
 188
 189 static struct clk_factor_table dmm_factor_table[] = {
 190         { 0, 1, 1 }, { 1, 2, 3 }, { 2, 1, 2 }, { 3, 1, 3 },
 191         { 4, 1, 4 },
 192         { 0, 0, 0 },
 193 };
 194
 195 static struct clk_factor_table noc_factor_table[] = {
 196         { 0, 1, 1 },   { 1, 2, 3 }, { 2, 1, 2 }, { 3, 1, 3 }, { 4, 1, 4 },
 197         { 0, 0, 0 },
 198 };
 199
 200 static struct clk_factor_table bisp_factor_table[] = {
 201         { 0, 1, 1 }, { 1, 2, 3 }, { 2, 1, 2 }, { 3, 2, 5 },
 202         { 4, 1, 3 }, { 5, 1, 4 }, { 6, 1, 6 }, { 7, 1, 8 },
 203         { 0, 0, 0 },
 204 };
 205
 206 /* factor clocks */
 207 static OWL_FACTOR(noc_clk, "noc_clk", "noc_clk_mux", CMU_BUSCLK, 16, 3, noc_factor_table, 0, 0);
 208 static OWL_FACTOR(de_clk1, "de_clk1", "de_clk", CMU_DECLK, 0, 3, bisp_factor_table, 0, 0);
 209 static OWL_FACTOR(de_clk2, "de_clk2", "de_clk", CMU_DECLK, 4, 3, bisp_factor_table, 0, 0);
 210 static OWL_FACTOR(de_clk3, "de_clk3", "de_clk", CMU_DECLK, 8, 3, bisp_factor_table, 0, 0);
 211
 212 /* gate clocks */
 213 static OWL_GATE(gpio_clk, "gpio_clk", "apb_clk", CMU_DEVCLKEN0, 18, 0, 0);
 214 static OWL_GATE_NO_PARENT(gpu_clk, "gpu_clk", CMU_DEVCLKEN0, 30, 0, 0);
 215 static OWL_GATE(dmac_clk, "dmac_clk", "noc_clk_div", CMU_DEVCLKEN0, 1, 0, 0);
 216 static OWL_GATE(timer_clk, "timer_clk", "hosc", CMU_DEVCLKEN1, 27, 0, 0);
 217 static OWL_GATE_NO_PARENT(dsi_clk, "dsi_clk", CMU_DEVCLKEN0, 12, 0, 0);
 218 static OWL_GATE(ddr0_clk, "ddr0_clk", "ddr_pll_clk", CMU_DEVCLKEN0, 31, 0, CLK_IGNORE_UNUSED);
 219 static OWL_GATE(ddr1_clk, "ddr1_clk", "ddr_pll_clk", CMU_DEVCLKEN0, 29, 0, CLK_IGNORE_UNUSED);
 220 static OWL_GATE_NO_PARENT(usb3_480mpll0_clk, "usb3_480mpll0_clk", CMU_USBPLL, 3, 0, 0);
 221 static OWL_GATE_NO_PARENT(usb3_480mphy0_clk, "usb3_480mphy0_clk", CMU_USBPLL, 2, 0, 0);
 222 static OWL_GATE_NO_PARENT(usb3_5gphy_clk, "usb3_5gphy_clk", CMU_USBPLL, 1, 0, 0);
 223 static OWL_GATE_NO_PARENT(usb3_cce_clk, "usb3_cce_clk", CMU_USBPLL, 0, 0, 0);
 224 static OWL_GATE(edp24M_clk, "edp24M_clk", "diff24M", CMU_EDPCLK, 8, 0, 0);
 225 static OWL_GATE(edp_link_clk, "edp_link_clk", "edp_pll_clk", CMU_DEVCLKEN0, 10, 0, 0);
 226 static OWL_GATE_NO_PARENT(usbh0_pllen_clk, "usbh0_pllen_clk", CMU_USBPLL, 12, 0, 0);
 227 static OWL_GATE_NO_PARENT(usbh0_phy_clk, "usbh0_phy_clk", CMU_USBPLL, 10, 0, 0);
 228 static OWL_GATE_NO_PARENT(usbh0_cce_clk, "usbh0_cce_clk", CMU_USBPLL, 8, 0, 0);
 229 static OWL_GATE_NO_PARENT(usbh1_pllen_clk, "usbh1_pllen_clk", CMU_USBPLL, 13, 0, 0);
 230 static OWL_GATE_NO_PARENT(usbh1_phy_clk, "usbh1_phy_clk", CMU_USBPLL, 11, 0, 0);
 231 static OWL_GATE_NO_PARENT(usbh1_cce_clk, "usbh1_cce_clk", CMU_USBPLL, 9, 0, 0);
 232 static OWL_GATE(spi0_clk, "spi0_clk", "ahb_clk", CMU_DEVCLKEN1, 10, 0, CLK_IGNORE_UNUSED);
 233 static OWL_GATE(spi1_clk, "spi1_clk", "ahb_clk", CMU_DEVCLKEN1, 11, 0, CLK_IGNORE_UNUSED);
 234 static OWL_GATE(spi2_clk, "spi2_clk", "ahb_clk", CMU_DEVCLKEN1, 12, 0, CLK_IGNORE_UNUSED);
 235 static OWL_GATE(spi3_clk, "spi3_clk", "ahb_clk", CMU_DEVCLKEN1, 13, 0, CLK_IGNORE_UNUSED);
 236
 237 /* composite clocks */
 238 static OWL_COMP_FACTOR(bisp_clk, "bisp_clk", bisp_clk_mux_p,
 239                         OWL_MUX_HW(CMU_BISPCLK, 4, 1),
 240                         OWL_GATE_HW(CMU_DEVCLKEN0, 14, 0),
 241                         OWL_FACTOR_HW(CMU_BISPCLK, 0, 3, 0, bisp_factor_table),
 242                         0);
 243
 244 static OWL_COMP_DIV(csi0_clk, "csi0_clk", csi_clk_mux_p,
 245                         OWL_MUX_HW(CMU_CSICLK, 4, 1),
 246                         OWL_GATE_HW(CMU_DEVCLKEN0, 13, 0),
 247                         OWL_DIVIDER_HW(CMU_CSICLK, 0, 4, 0, NULL),
 248                         0);
 249
 250 static OWL_COMP_DIV(csi1_clk, "csi1_clk", csi_clk_mux_p,
 251                         OWL_MUX_HW(CMU_CSICLK, 20, 1),
 252                         OWL_GATE_HW(CMU_DEVCLKEN0, 15, 0),
 253                         OWL_DIVIDER_HW(CMU_CSICLK, 16, 4, 0, NULL),
 254                         0);
 255
 256 static OWL_COMP_PASS(de_clk, "de_clk", de_clk_mux_p,
 257                         OWL_MUX_HW(CMU_DECLK, 12, 1),
 258                         OWL_GATE_HW(CMU_DEVCLKEN0, 8, 0),
 259                         0);
 260
 261 static OWL_COMP_FACTOR(dmm_clk, "dmm_clk", dmm_clk_mux_p,
 262                         OWL_MUX_HW(CMU_BUSCLK, 10, 2),
 263                         OWL_GATE_HW(CMU_DEVCLKEN0, 19, 0),
 264                         OWL_FACTOR_HW(CMU_BUSCLK, 12, 3, 0, dmm_factor_table),
 265                         CLK_IGNORE_UNUSED);
 266
 267 static OWL_COMP_FACTOR(edp_clk, "edp_clk", edp_clk_mux_p,
 268                         OWL_MUX_HW(CMU_EDPCLK, 19, 1),
 269                         OWL_GATE_HW(CMU_DEVCLKEN0, 10, 0),
 270                         OWL_FACTOR_HW(CMU_EDPCLK, 16, 3, 0, bisp_factor_table),
 271                         0);
 272
 273 static OWL_COMP_DIV_FIXED(eth_mac_clk, "eth_mac_clk", "assist_pll_clk",
 274                         OWL_GATE_HW(CMU_DEVCLKEN1, 22, 0),
 275                         OWL_DIVIDER_HW(CMU_ASSISTPLL, 10, 1, 0, eth_mac_div_table),
 276                         0);
 277
 278 static OWL_COMP_FACTOR(gpu_core_clk, "gpu_core_clk", gpu_clk_mux_p,
 279                         OWL_MUX_HW(CMU_GPU3DCLK, 4, 2),
 280                         OWL_GATE_HW(CMU_GPU3DCLK, 15, 0),
 281                         OWL_FACTOR_HW(CMU_GPU3DCLK, 0, 3, 0, bisp_factor_table),
 282                         0);
 283
 284 static OWL_COMP_FACTOR(gpu_mem_clk, "gpu_mem_clk", gpu_clk_mux_p,
 285                         OWL_MUX_HW(CMU_GPU3DCLK, 20, 2),
 286                         OWL_GATE_HW(CMU_GPU3DCLK, 14, 0),
 287                         OWL_FACTOR_HW(CMU_GPU3DCLK, 16, 3, 0, bisp_factor_table),
 288                         0);
 289
 290 static OWL_COMP_FACTOR(gpu_sys_clk, "gpu_sys_clk", gpu_clk_mux_p,
 291                         OWL_MUX_HW(CMU_GPU3DCLK, 28, 2),
 292                         OWL_GATE_HW(CMU_GPU3DCLK, 13, 0),
 293                         OWL_FACTOR_HW(CMU_GPU3DCLK, 24, 3, 0, bisp_factor_table),
 294                         0);
 295
 296 static OWL_COMP_FACTOR(hde_clk, "hde_clk", hde_clk_mux_p,
 297                         OWL_MUX_HW(CMU_HDECLK, 4, 2),
 298                         OWL_GATE_HW(CMU_DEVCLKEN0, 27, 0),
 299                         OWL_FACTOR_HW(CMU_HDECLK, 0, 3, 0, bisp_factor_table),
 300                         0);
 301
 302 static OWL_COMP_DIV(hdmia_clk, "hdmia_clk", i2s_clk_mux_p,
 303                         OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
 304                         OWL_GATE_HW(CMU_DEVCLKEN0, 22, 0),
 305                         OWL_DIVIDER_HW(CMU_AUDIOPLL, 24, 4, 0, hdmia_div_table),
 306                         0);
 307
 308 static OWL_COMP_FIXED_FACTOR(i2c0_clk, "i2c0_clk", "assist_pll_clk",
 309                         OWL_GATE_HW(CMU_DEVCLKEN1, 14, 0),
 310                         1, 5, 0);
 311
 312 static OWL_COMP_FIXED_FACTOR(i2c1_clk, "i2c1_clk", "assist_pll_clk",
 313                         OWL_GATE_HW(CMU_DEVCLKEN1, 15, 0),
 314                         1, 5, 0);
 315
 316 static OWL_COMP_FIXED_FACTOR(i2c2_clk, "i2c2_clk", "assist_pll_clk",
 317                         OWL_GATE_HW(CMU_DEVCLKEN1, 30, 0),
 318                         1, 5, 0);
 319
 320 static OWL_COMP_FIXED_FACTOR(i2c3_clk, "i2c3_clk", "assist_pll_clk",
 321                         OWL_GATE_HW(CMU_DEVCLKEN1, 31, 0),
 322                         1, 5, 0);
 323
 324 static OWL_COMP_FIXED_FACTOR(i2c4_clk, "i2c4_clk", "assist_pll_clk",
 325                         OWL_GATE_HW(CMU_DEVCLKEN0, 17, 0),
 326                         1, 5, 0);
 327
 328 static OWL_COMP_FIXED_FACTOR(i2c5_clk, "i2c5_clk", "assist_pll_clk",
 329                         OWL_GATE_HW(CMU_DEVCLKEN1, 1, 0),
 330                         1, 5, 0);
 331
 332 static OWL_COMP_DIV(i2srx_clk, "i2srx_clk", i2s_clk_mux_p,
 333                         OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
 334                         OWL_GATE_HW(CMU_DEVCLKEN0, 21, 0),
 335                         OWL_DIVIDER_HW(CMU_AUDIOPLL, 20, 4, 0, i2s_div_table),
 336                         0);
 337
 338 static OWL_COMP_DIV(i2stx_clk, "i2stx_clk", i2s_clk_mux_p,
 339                         OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
 340                         OWL_GATE_HW(CMU_DEVCLKEN0, 20, 0),
 341                         OWL_DIVIDER_HW(CMU_AUDIOPLL, 16, 4, 0, i2s_div_table),
 342                         0);
 343
 344 static OWL_COMP_FACTOR(imx_clk, "imx_clk", imx_clk_mux_p,
 345                         OWL_MUX_HW(CMU_IMXCLK, 4, 1),
 346                         OWL_GATE_HW(CMU_DEVCLKEN1, 17, 0),
 347                         OWL_FACTOR_HW(CMU_IMXCLK, 0, 3, 0, bisp_factor_table),
 348                         0);
 349
 350 static OWL_COMP_DIV(lcd_clk, "lcd_clk", lcd_clk_mux_p,
 351                         OWL_MUX_HW(CMU_LCDCLK, 12, 2),
 352                         OWL_GATE_HW(CMU_DEVCLKEN0, 9, 0),
 353                         OWL_DIVIDER_HW(CMU_LCDCLK, 0, 5, 0, NULL),
 354                         0);
 355
 356 static OWL_COMP_DIV(nand0_clk, "nand0_clk", nand_clk_mux_p,
 357                         OWL_MUX_HW(CMU_NANDCCLK, 8, 1),
 358                         OWL_GATE_HW(CMU_DEVCLKEN0, 4, 0),
 359                         OWL_DIVIDER_HW(CMU_NANDCCLK, 0, 4, 0, nand_div_table),
 360                         CLK_SET_RATE_PARENT);
 361
 362 static OWL_COMP_DIV(nand1_clk, "nand1_clk", nand_clk_mux_p,
 363                         OWL_MUX_HW(CMU_NANDCCLK, 24, 1),
 364                         OWL_GATE_HW(CMU_DEVCLKEN0, 11, 0),
 365                         OWL_DIVIDER_HW(CMU_NANDCCLK, 16, 4, 0, nand_div_table),
 366                         CLK_SET_RATE_PARENT);
 367
 368 static OWL_COMP_DIV_FIXED(pwm0_clk, "pwm0_clk", "hosc",
 369                         OWL_GATE_HW(CMU_DEVCLKEN1, 23, 0),
 370                         OWL_DIVIDER_HW(CMU_PWM0CLK, 0, 6, 0, NULL),
 371                         0);
 372
 373 static OWL_COMP_DIV_FIXED(pwm1_clk, "pwm1_clk", "hosc",
 374                         OWL_GATE_HW(CMU_DEVCLKEN1, 24, 0),
 375                         OWL_DIVIDER_HW(CMU_PWM1CLK, 0, 6, 0, NULL),
 376                         0);
 377 /*
 378  * pwm2 may be for backlight, do not gate it
 379  * even it is "unused", because it may be
 380  * enabled at boot stage, and in kernel, driver
 381  * has no effective method to know the real status,
 382  * so, the best way is keeping it as what it was.
 383  */
 384 static OWL_COMP_DIV_FIXED(pwm2_clk, "pwm2_clk", "hosc",
 385                         OWL_GATE_HW(CMU_DEVCLKEN1, 25, 0),
 386                         OWL_DIVIDER_HW(CMU_PWM2CLK, 0, 6, 0, NULL),
 387                         CLK_IGNORE_UNUSED);
 388
 389 static OWL_COMP_DIV_FIXED(pwm3_clk, "pwm3_clk", "hosc",
 390                         OWL_GATE_HW(CMU_DEVCLKEN1, 26, 0),
 391                         OWL_DIVIDER_HW(CMU_PWM3CLK, 0, 6, 0, NULL),
 392                         0);
 393
 394 static OWL_COMP_DIV_FIXED(pwm4_clk, "pwm4_clk", "hosc",
 395                         OWL_GATE_HW(CMU_DEVCLKEN1, 4, 0),
 396                         OWL_DIVIDER_HW(CMU_PWM4CLK, 0, 6, 0, NULL),
 397                         0);
 398
 399 static OWL_COMP_DIV_FIXED(pwm5_clk, "pwm5_clk", "hosc",
 400                         OWL_GATE_HW(CMU_DEVCLKEN1, 5, 0),
 401                         OWL_DIVIDER_HW(CMU_PWM5CLK, 0, 6, 0, NULL),
 402                         0);
 403
 404 static OWL_COMP_FACTOR(sd0_clk, "sd0_clk", sd_clk_mux_p,
 405                         OWL_MUX_HW(CMU_SD0CLK, 9, 1),
 406                         OWL_GATE_HW(CMU_DEVCLKEN0, 5, 0),
 407                         OWL_FACTOR_HW(CMU_SD0CLK, 0, 9, 0, sd_factor_table),
 408                         0);
 409
 410 static OWL_COMP_FACTOR(sd1_clk, "sd1_clk", sd_clk_mux_p,
 411                         OWL_MUX_HW(CMU_SD1CLK, 9, 1),
 412                         OWL_GATE_HW(CMU_DEVCLKEN0, 6, 0),
 413                         OWL_FACTOR_HW(CMU_SD1CLK, 0, 9, 0, sd_factor_table),
 414                         0);
 415
 416 static OWL_COMP_FACTOR(sd2_clk, "sd2_clk", sd_clk_mux_p,
 417                         OWL_MUX_HW(CMU_SD2CLK, 9, 1),
 418                         OWL_GATE_HW(CMU_DEVCLKEN0, 7, 0),
 419                         OWL_FACTOR_HW(CMU_SD2CLK, 0, 9, 0, sd_factor_table),
 420                         0);
 421
 422 static OWL_COMP_FACTOR(sd3_clk, "sd3_clk", sd_clk_mux_p,
 423                         OWL_MUX_HW(CMU_SD3CLK, 9, 1),
 424                         OWL_GATE_HW(CMU_DEVCLKEN0, 16, 0),
 425                         OWL_FACTOR_HW(CMU_SD3CLK, 0, 9, 0, sd_factor_table),
 426                         0);
 427
 428 static OWL_COMP_DIV(sensor_clk, "sensor_clk", sensor_clk_mux_p,
 429                         OWL_MUX_HW(CMU_SENSORCLK, 4, 1),
 430                         OWL_GATE_HW(CMU_DEVCLKEN0, 14, 0),
 431                         OWL_DIVIDER_HW(CMU_SENSORCLK, 0, 4, 0, NULL),
 432                         0);
 433
 434 static OWL_COMP_DIV_FIXED(speed_sensor_clk, "speed_sensor_clk",
 435                         "hosc",
 436                         OWL_GATE_HW(CMU_DEVCLKEN1, 0, 0),
 437                         OWL_DIVIDER_HW(CMU_TLSCLK, 0, 4, CLK_DIVIDER_POWER_OF_TWO, NULL),
 438                         0);
 439
 440 static OWL_COMP_DIV_FIXED(thermal_sensor_clk, "thermal_sensor_clk",
 441                         "hosc",
 442                         OWL_GATE_HW(CMU_DEVCLKEN1, 2, 0),
 443                         OWL_DIVIDER_HW(CMU_TLSCLK, 8, 4, CLK_DIVIDER_POWER_OF_TWO, NULL),
 444                         0);
 445
 446 static OWL_COMP_DIV(uart0_clk, "uart0_clk", uart_clk_mux_p,
 447                         OWL_MUX_HW(CMU_UART0CLK, 16, 1),
 448                         OWL_GATE_HW(CMU_DEVCLKEN1, 6, 0),
 449                         OWL_DIVIDER_HW(CMU_UART0CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
 450                         CLK_IGNORE_UNUSED);
 451
 452 static OWL_COMP_DIV(uart1_clk, "uart1_clk", uart_clk_mux_p,
 453                         OWL_MUX_HW(CMU_UART1CLK, 16, 1),
 454                         OWL_GATE_HW(CMU_DEVCLKEN1, 7, 0),
 455                         OWL_DIVIDER_HW(CMU_UART1CLK, 1, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
 456                         CLK_IGNORE_UNUSED);
 457
 458 static OWL_COMP_DIV(uart2_clk, "uart2_clk", uart_clk_mux_p,
 459                         OWL_MUX_HW(CMU_UART2CLK, 16, 1),
 460                         OWL_GATE_HW(CMU_DEVCLKEN1, 8, 0),
 461                         OWL_DIVIDER_HW(CMU_UART2CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
 462                         CLK_IGNORE_UNUSED);
 463
 464 static OWL_COMP_DIV(uart3_clk, "uart3_clk", uart_clk_mux_p,
 465                         OWL_MUX_HW(CMU_UART3CLK, 16, 1),
 466                         OWL_GATE_HW(CMU_DEVCLKEN1, 19, 0),
 467                         OWL_DIVIDER_HW(CMU_UART3CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
 468                         CLK_IGNORE_UNUSED);
 469
 470 static OWL_COMP_DIV(uart4_clk, "uart4_clk", uart_clk_mux_p,
 471                         OWL_MUX_HW(CMU_UART4CLK, 16, 1),
 472                         OWL_GATE_HW(CMU_DEVCLKEN1, 20, 0),
 473                         OWL_DIVIDER_HW(CMU_UART4CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
 474                         CLK_IGNORE_UNUSED);
 475
 476 static OWL_COMP_DIV(uart5_clk, "uart5_clk", uart_clk_mux_p,
 477                         OWL_MUX_HW(CMU_UART5CLK, 16, 1),
 478                         OWL_GATE_HW(CMU_DEVCLKEN1, 21, 0),
 479                         OWL_DIVIDER_HW(CMU_UART5CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
 480                         CLK_IGNORE_UNUSED);
 481
 482 static OWL_COMP_DIV(uart6_clk, "uart6_clk", uart_clk_mux_p,
 483                         OWL_MUX_HW(CMU_UART6CLK, 16, 1),
 484                         OWL_GATE_HW(CMU_DEVCLKEN1, 18, 0),
 485                         OWL_DIVIDER_HW(CMU_UART6CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
 486                         CLK_IGNORE_UNUSED);
 487
 488 static OWL_COMP_FACTOR(vce_clk, "vce_clk", vce_clk_mux_p,
 489                         OWL_MUX_HW(CMU_VCECLK, 4, 2),
 490                         OWL_GATE_HW(CMU_DEVCLKEN0, 26, 0),
 491                         OWL_FACTOR_HW(CMU_VCECLK, 0, 3, 0, bisp_factor_table),
 492                         0);
 493
 494 static OWL_COMP_FACTOR(vde_clk, "vde_clk", hde_clk_mux_p,
 495                         OWL_MUX_HW(CMU_VDECLK, 4, 2),
 496                         OWL_GATE_HW(CMU_DEVCLKEN0, 25, 0),
 497                         OWL_FACTOR_HW(CMU_VDECLK, 0, 3, 0, bisp_factor_table),
 498                         0);
 499
 500 static struct owl_clk_common *s900_clks[] = {
 501         &core_pll_clk.common,
 502         &dev_pll_clk.common,
 503         &ddr_pll_clk.common,
 504         &nand_pll_clk.common,
 505         &display_pll_clk.common,
 506         &assist_pll_clk.common,
 507         &audio_pll_clk.common,
 508         &edp_pll_clk.common,
 509         &cpu_clk.common,
 510         &dev_clk.common,
 511         &noc_clk_mux.common,
 512         &noc_clk_div.common,
 513         &ahb_clk.common,
 514         &apb_clk.common,
 515         &usb3_mac_clk.common,
 516         &rmii_ref_clk.common,
 517         &noc_clk.common,
 518         &de_clk1.common,
 519         &de_clk2.common,
 520         &de_clk3.common,
 521         &gpio_clk.common,
 522         &gpu_clk.common,
 523         &dmac_clk.common,
 524         &timer_clk.common,
 525         &dsi_clk.common,
 526         &ddr0_clk.common,
 527         &ddr1_clk.common,
 528         &usb3_480mpll0_clk.common,
 529         &usb3_480mphy0_clk.common,
 530         &usb3_5gphy_clk.common,
 531         &usb3_cce_clk.common,
 532         &edp24M_clk.common,
 533         &edp_link_clk.common,
 534         &usbh0_pllen_clk.common,
 535         &usbh0_phy_clk.common,
 536         &usbh0_cce_clk.common,
 537         &usbh1_pllen_clk.common,
 538         &usbh1_phy_clk.common,
 539         &usbh1_cce_clk.common,
 540         &i2c0_clk.common,
 541         &i2c1_clk.common,
 542         &i2c2_clk.common,
 543         &i2c3_clk.common,
 544         &i2c4_clk.common,
 545         &i2c5_clk.common,
 546         &spi0_clk.common,
 547         &spi1_clk.common,
 548         &spi2_clk.common,
 549         &spi3_clk.common,
 550         &bisp_clk.common,
 551         &csi0_clk.common,
 552         &csi1_clk.common,
 553         &de_clk.common,
 554         &dmm_clk.common,
 555         &edp_clk.common,
 556         &eth_mac_clk.common,
 557         &gpu_core_clk.common,
 558         &gpu_mem_clk.common,
 559         &gpu_sys_clk.common,
 560         &hde_clk.common,
 561         &hdmia_clk.common,
 562         &i2srx_clk.common,
 563         &i2stx_clk.common,
 564         &imx_clk.common,
 565         &lcd_clk.common,
 566         &nand0_clk.common,
 567         &nand1_clk.common,
 568         &pwm0_clk.common,
 569         &pwm1_clk.common,
 570         &pwm2_clk.common,
 571         &pwm3_clk.common,
 572         &pwm4_clk.common,
 573         &pwm5_clk.common,
 574         &sd0_clk.common,
 575         &sd1_clk.common,
 576         &sd2_clk.common,
 577         &sd3_clk.common,
 578         &sensor_clk.common,
 579         &speed_sensor_clk.common,
 580         &thermal_sensor_clk.common,
 581         &uart0_clk.common,
 582         &uart1_clk.common,
 583         &uart2_clk.common,
 584         &uart3_clk.common,
 585         &uart4_clk.common,
 586         &uart5_clk.common,
 587         &uart6_clk.common,
 588         &vce_clk.common,
 589         &vde_clk.common,
 590 };
 591
 592 static struct clk_hw_onecell_data s900_hw_clks = {
 593         .hws    = {
 594                 [CLK_CORE_PLL]          = &core_pll_clk.common.hw,
 595                 [CLK_DEV_PLL]           = &dev_pll_clk.common.hw,
 596                 [CLK_DDR_PLL]           = &ddr_pll_clk.common.hw,
 597                 [CLK_NAND_PLL]          = &nand_pll_clk.common.hw,
 598                 [CLK_DISPLAY_PLL]       = &display_pll_clk.common.hw,
 599                 [CLK_ASSIST_PLL]        = &assist_pll_clk.common.hw,
 600                 [CLK_AUDIO_PLL]         = &audio_pll_clk.common.hw,
 601                 [CLK_EDP_PLL]           = &edp_pll_clk.common.hw,
 602                 [CLK_CPU]               = &cpu_clk.common.hw,
 603                 [CLK_DEV]               = &dev_clk.common.hw,
 604                 [CLK_NOC_MUX]           = &noc_clk_mux.common.hw,
 605                 [CLK_NOC_DIV]           = &noc_clk_div.common.hw,
 606                 [CLK_AHB]               = &ahb_clk.common.hw,
 607                 [CLK_APB]               = &apb_clk.common.hw,
 608                 [CLK_USB3_MAC]          = &usb3_mac_clk.common.hw,
 609                 [CLK_RMII_REF]          = &rmii_ref_clk.common.hw,
 610                 [CLK_NOC]               = &noc_clk.common.hw,
 611                 [CLK_DE1]               = &de_clk1.common.hw,
 612                 [CLK_DE2]               = &de_clk2.common.hw,
 613                 [CLK_DE3]               = &de_clk3.common.hw,
 614                 [CLK_GPIO]              = &gpio_clk.common.hw,
 615                 [CLK_GPU]               = &gpu_clk.common.hw,
 616                 [CLK_DMAC]              = &dmac_clk.common.hw,
 617                 [CLK_TIMER]             = &timer_clk.common.hw,
 618                 [CLK_DSI]               = &dsi_clk.common.hw,
 619                 [CLK_DDR0]              = &ddr0_clk.common.hw,
 620                 [CLK_DDR1]              = &ddr1_clk.common.hw,
 621                 [CLK_USB3_480MPLL0]     = &usb3_480mpll0_clk.common.hw,
 622                 [CLK_USB3_480MPHY0]     = &usb3_480mphy0_clk.common.hw,
 623                 [CLK_USB3_5GPHY]        = &usb3_5gphy_clk.common.hw,
 624                 [CLK_USB3_CCE]          = &usb3_cce_clk.common.hw,
 625                 [CLK_24M_EDP]           = &edp24M_clk.common.hw,
 626                 [CLK_EDP_LINK]          = &edp_link_clk.common.hw,
 627                 [CLK_USB2H0_PLLEN]      = &usbh0_pllen_clk.common.hw,
 628                 [CLK_USB2H0_PHY]        = &usbh0_phy_clk.common.hw,
 629                 [CLK_USB2H0_CCE]        = &usbh0_cce_clk.common.hw,
 630                 [CLK_USB2H1_PLLEN]      = &usbh1_pllen_clk.common.hw,
 631                 [CLK_USB2H1_PHY]        = &usbh1_phy_clk.common.hw,
 632                 [CLK_USB2H1_CCE]        = &usbh1_cce_clk.common.hw,
 633                 [CLK_I2C0]              = &i2c0_clk.common.hw,
 634                 [CLK_I2C1]              = &i2c1_clk.common.hw,
 635                 [CLK_I2C2]              = &i2c2_clk.common.hw,
 636                 [CLK_I2C3]              = &i2c3_clk.common.hw,
 637                 [CLK_I2C4]              = &i2c4_clk.common.hw,
 638                 [CLK_I2C5]              = &i2c5_clk.common.hw,
 639                 [CLK_SPI0]              = &spi0_clk.common.hw,
 640                 [CLK_SPI1]              = &spi1_clk.common.hw,
 641                 [CLK_SPI2]              = &spi2_clk.common.hw,
 642                 [CLK_SPI3]              = &spi3_clk.common.hw,
 643                 [CLK_BISP]              = &bisp_clk.common.hw,
 644                 [CLK_CSI0]              = &csi0_clk.common.hw,
 645                 [CLK_CSI1]              = &csi1_clk.common.hw,
 646                 [CLK_DE0]               = &de_clk.common.hw,
 647                 [CLK_DMM]               = &dmm_clk.common.hw,
 648                 [CLK_EDP]               = &edp_clk.common.hw,
 649                 [CLK_ETH_MAC]           = &eth_mac_clk.common.hw,
 650                 [CLK_GPU_CORE]          = &gpu_core_clk.common.hw,
 651                 [CLK_GPU_MEM]           = &gpu_mem_clk.common.hw,
 652                 [CLK_GPU_SYS]           = &gpu_sys_clk.common.hw,
 653                 [CLK_HDE]               = &hde_clk.common.hw,
 654                 [CLK_HDMI_AUDIO]        = &hdmia_clk.common.hw,
 655                 [CLK_I2SRX]             = &i2srx_clk.common.hw,
 656                 [CLK_I2STX]             = &i2stx_clk.common.hw,
 657                 [CLK_IMX]               = &imx_clk.common.hw,
 658                 [CLK_LCD]               = &lcd_clk.common.hw,
 659                 [CLK_NAND0]             = &nand0_clk.common.hw,
 660                 [CLK_NAND1]             = &nand1_clk.common.hw,
 661                 [CLK_PWM0]              = &pwm0_clk.common.hw,
 662                 [CLK_PWM1]              = &pwm1_clk.common.hw,
 663                 [CLK_PWM2]              = &pwm2_clk.common.hw,
 664                 [CLK_PWM3]              = &pwm3_clk.common.hw,
 665                 [CLK_PWM4]              = &pwm4_clk.common.hw,
 666                 [CLK_PWM5]              = &pwm5_clk.common.hw,
 667                 [CLK_SD0]               = &sd0_clk.common.hw,
 668                 [CLK_SD1]               = &sd1_clk.common.hw,
 669                 [CLK_SD2]               = &sd2_clk.common.hw,
 670                 [CLK_SD3]               = &sd3_clk.common.hw,
 671                 [CLK_SENSOR]            = &sensor_clk.common.hw,
 672                 [CLK_SPEED_SENSOR]      = &speed_sensor_clk.common.hw,
 673                 [CLK_THERMAL_SENSOR]    = &thermal_sensor_clk.common.hw,
 674                 [CLK_UART0]             = &uart0_clk.common.hw,
 675                 [CLK_UART1]             = &uart1_clk.common.hw,
 676                 [CLK_UART2]             = &uart2_clk.common.hw,
 677                 [CLK_UART3]             = &uart3_clk.common.hw,
 678                 [CLK_UART4]             = &uart4_clk.common.hw,
 679                 [CLK_UART5]             = &uart5_clk.common.hw,
 680                 [CLK_UART6]             = &uart6_clk.common.hw,
 681                 [CLK_VCE]               = &vce_clk.common.hw,
 682                 [CLK_VDE]               = &vde_clk.common.hw,
 683         },
 684         .num    = CLK_NR_CLKS,
 685 };
 686
 687 static const struct owl_clk_desc s900_clk_desc = {
 688         .clks       = s900_clks,
 689         .num_clks   = ARRAY_SIZE(s900_clks),
 690
 691         .hw_clks    = &s900_hw_clks,
 692 };
 693
 694 static int s900_clk_probe(struct platform_device *pdev)
 695 {
 696         const struct owl_clk_desc *desc;
 697
 698         desc = &s900_clk_desc;
 699         owl_clk_regmap_init(pdev, desc);
 700
 701         return owl_clk_probe(&pdev->dev, desc->hw_clks);
 702 }
 703
 704 static const struct of_device_id s900_clk_of_match[] = {
 705         { .compatible = "actions,s900-cmu", },
 706         { /* sentinel */ }
 707 };
 708
 709 static struct platform_driver s900_clk_driver = {
 710         .probe = s900_clk_probe,
 711         .driver = {
 712                 .name = "s900-cmu",
 713                 .of_match_table = s900_clk_of_match,
 714         },
 715 };
 716
 717 static int __init s900_clk_init(void)
 718 {
 719         return platform_driver_register(&s900_clk_driver);
 720 }
 721 core_initcall(s900_clk_init);