Viresh Kumar | 0b928af | 2012-04-19 22:23:13 +0530 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/mach-spear13xx/spear1340_clock.c |
| 3 | * |
| 4 | * SPEAr1340 machine clock framework source file |
| 5 | * |
| 6 | * Copyright (C) 2012 ST Microelectronics |
Viresh Kumar | 10d8935 | 2012-06-20 12:53:02 -0700 | [diff] [blame^] | 7 | * Viresh Kumar <viresh.linux@gmail.com> |
Viresh Kumar | 0b928af | 2012-04-19 22:23:13 +0530 | [diff] [blame] | 8 | * |
| 9 | * This file is licensed under the terms of the GNU General Public |
| 10 | * License version 2. This program is licensed "as is" without any |
| 11 | * warranty of any kind, whether express or implied. |
| 12 | */ |
| 13 | |
| 14 | #include <linux/clk.h> |
| 15 | #include <linux/clkdev.h> |
| 16 | #include <linux/err.h> |
| 17 | #include <linux/io.h> |
| 18 | #include <linux/of_platform.h> |
| 19 | #include <linux/spinlock_types.h> |
| 20 | #include <mach/spear.h> |
| 21 | #include "clk.h" |
| 22 | |
| 23 | /* Clock Configuration Registers */ |
| 24 | #define SPEAR1340_SYS_CLK_CTRL (VA_MISC_BASE + 0x200) |
| 25 | #define SPEAR1340_HCLK_SRC_SEL_SHIFT 27 |
| 26 | #define SPEAR1340_HCLK_SRC_SEL_MASK 1 |
| 27 | #define SPEAR1340_SCLK_SRC_SEL_SHIFT 23 |
| 28 | #define SPEAR1340_SCLK_SRC_SEL_MASK 3 |
| 29 | |
| 30 | /* PLL related registers and bit values */ |
| 31 | #define SPEAR1340_PLL_CFG (VA_MISC_BASE + 0x210) |
| 32 | /* PLL_CFG bit values */ |
| 33 | #define SPEAR1340_CLCD_SYNT_CLK_MASK 1 |
| 34 | #define SPEAR1340_CLCD_SYNT_CLK_SHIFT 31 |
| 35 | #define SPEAR1340_GEN_SYNT2_3_CLK_SHIFT 29 |
| 36 | #define SPEAR1340_GEN_SYNT_CLK_MASK 2 |
| 37 | #define SPEAR1340_GEN_SYNT0_1_CLK_SHIFT 27 |
| 38 | #define SPEAR1340_PLL_CLK_MASK 2 |
| 39 | #define SPEAR1340_PLL3_CLK_SHIFT 24 |
| 40 | #define SPEAR1340_PLL2_CLK_SHIFT 22 |
| 41 | #define SPEAR1340_PLL1_CLK_SHIFT 20 |
| 42 | |
| 43 | #define SPEAR1340_PLL1_CTR (VA_MISC_BASE + 0x214) |
| 44 | #define SPEAR1340_PLL1_FRQ (VA_MISC_BASE + 0x218) |
| 45 | #define SPEAR1340_PLL2_CTR (VA_MISC_BASE + 0x220) |
| 46 | #define SPEAR1340_PLL2_FRQ (VA_MISC_BASE + 0x224) |
| 47 | #define SPEAR1340_PLL3_CTR (VA_MISC_BASE + 0x22C) |
| 48 | #define SPEAR1340_PLL3_FRQ (VA_MISC_BASE + 0x230) |
| 49 | #define SPEAR1340_PLL4_CTR (VA_MISC_BASE + 0x238) |
| 50 | #define SPEAR1340_PLL4_FRQ (VA_MISC_BASE + 0x23C) |
| 51 | #define SPEAR1340_PERIP_CLK_CFG (VA_MISC_BASE + 0x244) |
| 52 | /* PERIP_CLK_CFG bit values */ |
| 53 | #define SPEAR1340_SPDIF_CLK_MASK 1 |
| 54 | #define SPEAR1340_SPDIF_OUT_CLK_SHIFT 15 |
| 55 | #define SPEAR1340_SPDIF_IN_CLK_SHIFT 14 |
| 56 | #define SPEAR1340_GPT3_CLK_SHIFT 13 |
| 57 | #define SPEAR1340_GPT2_CLK_SHIFT 12 |
| 58 | #define SPEAR1340_GPT_CLK_MASK 1 |
| 59 | #define SPEAR1340_GPT1_CLK_SHIFT 9 |
| 60 | #define SPEAR1340_GPT0_CLK_SHIFT 8 |
| 61 | #define SPEAR1340_UART_CLK_MASK 2 |
| 62 | #define SPEAR1340_UART1_CLK_SHIFT 6 |
| 63 | #define SPEAR1340_UART0_CLK_SHIFT 4 |
| 64 | #define SPEAR1340_CLCD_CLK_MASK 2 |
| 65 | #define SPEAR1340_CLCD_CLK_SHIFT 2 |
| 66 | #define SPEAR1340_C3_CLK_MASK 1 |
| 67 | #define SPEAR1340_C3_CLK_SHIFT 1 |
| 68 | |
| 69 | #define SPEAR1340_GMAC_CLK_CFG (VA_MISC_BASE + 0x248) |
| 70 | #define SPEAR1340_GMAC_PHY_CLK_MASK 1 |
| 71 | #define SPEAR1340_GMAC_PHY_CLK_SHIFT 2 |
| 72 | #define SPEAR1340_GMAC_PHY_INPUT_CLK_MASK 2 |
| 73 | #define SPEAR1340_GMAC_PHY_INPUT_CLK_SHIFT 0 |
| 74 | |
| 75 | #define SPEAR1340_I2S_CLK_CFG (VA_MISC_BASE + 0x24C) |
| 76 | /* I2S_CLK_CFG register mask */ |
| 77 | #define SPEAR1340_I2S_SCLK_X_MASK 0x1F |
| 78 | #define SPEAR1340_I2S_SCLK_X_SHIFT 27 |
| 79 | #define SPEAR1340_I2S_SCLK_Y_MASK 0x1F |
| 80 | #define SPEAR1340_I2S_SCLK_Y_SHIFT 22 |
| 81 | #define SPEAR1340_I2S_SCLK_EQ_SEL_SHIFT 21 |
| 82 | #define SPEAR1340_I2S_SCLK_SYNTH_ENB 20 |
| 83 | #define SPEAR1340_I2S_PRS1_CLK_X_MASK 0xFF |
| 84 | #define SPEAR1340_I2S_PRS1_CLK_X_SHIFT 12 |
| 85 | #define SPEAR1340_I2S_PRS1_CLK_Y_MASK 0xFF |
| 86 | #define SPEAR1340_I2S_PRS1_CLK_Y_SHIFT 4 |
| 87 | #define SPEAR1340_I2S_PRS1_EQ_SEL_SHIFT 3 |
| 88 | #define SPEAR1340_I2S_REF_SEL_MASK 1 |
| 89 | #define SPEAR1340_I2S_REF_SHIFT 2 |
| 90 | #define SPEAR1340_I2S_SRC_CLK_MASK 2 |
| 91 | #define SPEAR1340_I2S_SRC_CLK_SHIFT 0 |
| 92 | |
| 93 | #define SPEAR1340_C3_CLK_SYNT (VA_MISC_BASE + 0x250) |
| 94 | #define SPEAR1340_UART0_CLK_SYNT (VA_MISC_BASE + 0x254) |
| 95 | #define SPEAR1340_UART1_CLK_SYNT (VA_MISC_BASE + 0x258) |
| 96 | #define SPEAR1340_GMAC_CLK_SYNT (VA_MISC_BASE + 0x25C) |
| 97 | #define SPEAR1340_SDHCI_CLK_SYNT (VA_MISC_BASE + 0x260) |
| 98 | #define SPEAR1340_CFXD_CLK_SYNT (VA_MISC_BASE + 0x264) |
| 99 | #define SPEAR1340_ADC_CLK_SYNT (VA_MISC_BASE + 0x270) |
| 100 | #define SPEAR1340_AMBA_CLK_SYNT (VA_MISC_BASE + 0x274) |
| 101 | #define SPEAR1340_CLCD_CLK_SYNT (VA_MISC_BASE + 0x27C) |
| 102 | #define SPEAR1340_SYS_CLK_SYNT (VA_MISC_BASE + 0x284) |
| 103 | #define SPEAR1340_GEN_CLK_SYNT0 (VA_MISC_BASE + 0x28C) |
| 104 | #define SPEAR1340_GEN_CLK_SYNT1 (VA_MISC_BASE + 0x294) |
| 105 | #define SPEAR1340_GEN_CLK_SYNT2 (VA_MISC_BASE + 0x29C) |
| 106 | #define SPEAR1340_GEN_CLK_SYNT3 (VA_MISC_BASE + 0x304) |
| 107 | #define SPEAR1340_PERIP1_CLK_ENB (VA_MISC_BASE + 0x30C) |
| 108 | #define SPEAR1340_RTC_CLK_ENB 31 |
| 109 | #define SPEAR1340_ADC_CLK_ENB 30 |
| 110 | #define SPEAR1340_C3_CLK_ENB 29 |
| 111 | #define SPEAR1340_CLCD_CLK_ENB 27 |
| 112 | #define SPEAR1340_DMA_CLK_ENB 25 |
| 113 | #define SPEAR1340_GPIO1_CLK_ENB 24 |
| 114 | #define SPEAR1340_GPIO0_CLK_ENB 23 |
| 115 | #define SPEAR1340_GPT1_CLK_ENB 22 |
| 116 | #define SPEAR1340_GPT0_CLK_ENB 21 |
| 117 | #define SPEAR1340_I2S_PLAY_CLK_ENB 20 |
| 118 | #define SPEAR1340_I2S_REC_CLK_ENB 19 |
| 119 | #define SPEAR1340_I2C0_CLK_ENB 18 |
| 120 | #define SPEAR1340_SSP_CLK_ENB 17 |
| 121 | #define SPEAR1340_UART0_CLK_ENB 15 |
| 122 | #define SPEAR1340_PCIE_SATA_CLK_ENB 12 |
| 123 | #define SPEAR1340_UOC_CLK_ENB 11 |
| 124 | #define SPEAR1340_UHC1_CLK_ENB 10 |
| 125 | #define SPEAR1340_UHC0_CLK_ENB 9 |
| 126 | #define SPEAR1340_GMAC_CLK_ENB 8 |
| 127 | #define SPEAR1340_CFXD_CLK_ENB 7 |
| 128 | #define SPEAR1340_SDHCI_CLK_ENB 6 |
| 129 | #define SPEAR1340_SMI_CLK_ENB 5 |
| 130 | #define SPEAR1340_FSMC_CLK_ENB 4 |
| 131 | #define SPEAR1340_SYSRAM0_CLK_ENB 3 |
| 132 | #define SPEAR1340_SYSRAM1_CLK_ENB 2 |
| 133 | #define SPEAR1340_SYSROM_CLK_ENB 1 |
| 134 | #define SPEAR1340_BUS_CLK_ENB 0 |
| 135 | |
| 136 | #define SPEAR1340_PERIP2_CLK_ENB (VA_MISC_BASE + 0x310) |
| 137 | #define SPEAR1340_THSENS_CLK_ENB 8 |
| 138 | #define SPEAR1340_I2S_REF_PAD_CLK_ENB 7 |
| 139 | #define SPEAR1340_ACP_CLK_ENB 6 |
| 140 | #define SPEAR1340_GPT3_CLK_ENB 5 |
| 141 | #define SPEAR1340_GPT2_CLK_ENB 4 |
| 142 | #define SPEAR1340_KBD_CLK_ENB 3 |
| 143 | #define SPEAR1340_CPU_DBG_CLK_ENB 2 |
| 144 | #define SPEAR1340_DDR_CORE_CLK_ENB 1 |
| 145 | #define SPEAR1340_DDR_CTRL_CLK_ENB 0 |
| 146 | |
| 147 | #define SPEAR1340_PERIP3_CLK_ENB (VA_MISC_BASE + 0x314) |
| 148 | #define SPEAR1340_PLGPIO_CLK_ENB 18 |
| 149 | #define SPEAR1340_VIDEO_DEC_CLK_ENB 16 |
| 150 | #define SPEAR1340_VIDEO_ENC_CLK_ENB 15 |
| 151 | #define SPEAR1340_SPDIF_OUT_CLK_ENB 13 |
| 152 | #define SPEAR1340_SPDIF_IN_CLK_ENB 12 |
| 153 | #define SPEAR1340_VIDEO_IN_CLK_ENB 11 |
| 154 | #define SPEAR1340_CAM0_CLK_ENB 10 |
| 155 | #define SPEAR1340_CAM1_CLK_ENB 9 |
| 156 | #define SPEAR1340_CAM2_CLK_ENB 8 |
| 157 | #define SPEAR1340_CAM3_CLK_ENB 7 |
| 158 | #define SPEAR1340_MALI_CLK_ENB 6 |
| 159 | #define SPEAR1340_CEC0_CLK_ENB 5 |
| 160 | #define SPEAR1340_CEC1_CLK_ENB 4 |
| 161 | #define SPEAR1340_PWM_CLK_ENB 3 |
| 162 | #define SPEAR1340_I2C1_CLK_ENB 2 |
| 163 | #define SPEAR1340_UART1_CLK_ENB 1 |
| 164 | |
| 165 | static DEFINE_SPINLOCK(_lock); |
| 166 | |
| 167 | /* pll rate configuration table, in ascending order of rates */ |
| 168 | static struct pll_rate_tbl pll_rtbl[] = { |
| 169 | /* PCLK 24MHz */ |
| 170 | {.mode = 0, .m = 0x83, .n = 0x04, .p = 0x5}, /* vco 1572, pll 49.125 MHz */ |
| 171 | {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x3}, /* vco 1000, pll 125 MHz */ |
| 172 | {.mode = 0, .m = 0x64, .n = 0x06, .p = 0x1}, /* vco 800, pll 400 MHz */ |
| 173 | {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x1}, /* vco 1000, pll 500 MHz */ |
| 174 | {.mode = 0, .m = 0xA6, .n = 0x06, .p = 0x1}, /* vco 1328, pll 664 MHz */ |
| 175 | {.mode = 0, .m = 0xC8, .n = 0x06, .p = 0x1}, /* vco 1600, pll 800 MHz */ |
| 176 | {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x0}, /* vco 1, pll 1 GHz */ |
| 177 | {.mode = 0, .m = 0x96, .n = 0x06, .p = 0x0}, /* vco 1200, pll 1200 MHz */ |
| 178 | }; |
| 179 | |
| 180 | /* vco-pll4 rate configuration table, in ascending order of rates */ |
| 181 | static struct pll_rate_tbl pll4_rtbl[] = { |
| 182 | {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x2}, /* vco 1000, pll 250 MHz */ |
| 183 | {.mode = 0, .m = 0xA6, .n = 0x06, .p = 0x2}, /* vco 1328, pll 332 MHz */ |
| 184 | {.mode = 0, .m = 0xC8, .n = 0x06, .p = 0x2}, /* vco 1600, pll 400 MHz */ |
| 185 | {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x0}, /* vco 1, pll 1 GHz */ |
| 186 | }; |
| 187 | |
| 188 | /* |
| 189 | * All below entries generate 166 MHz for |
| 190 | * different values of vco1div2 |
| 191 | */ |
| 192 | static struct frac_rate_tbl amba_synth_rtbl[] = { |
| 193 | {.div = 0x06062}, /* for vco1div2 = 500 MHz */ |
| 194 | {.div = 0x04D1B}, /* for vco1div2 = 400 MHz */ |
| 195 | {.div = 0x04000}, /* for vco1div2 = 332 MHz */ |
| 196 | {.div = 0x03031}, /* for vco1div2 = 250 MHz */ |
| 197 | {.div = 0x0268D}, /* for vco1div2 = 200 MHz */ |
| 198 | }; |
| 199 | |
| 200 | /* |
| 201 | * Synthesizer Clock derived from vcodiv2. This clock is one of the |
| 202 | * possible clocks to feed cpu directly. |
| 203 | * We can program this synthesizer to make cpu run on different clock |
| 204 | * frequencies. |
| 205 | * Following table provides configuration values to let cpu run on 200, |
| 206 | * 250, 332, 400 or 500 MHz considering different possibilites of input |
| 207 | * (vco1div2) clock. |
| 208 | * |
| 209 | * -------------------------------------------------------------------- |
| 210 | * vco1div2(Mhz) fout(Mhz) cpuclk = fout/2 div |
| 211 | * -------------------------------------------------------------------- |
| 212 | * 400 200 100 0x04000 |
| 213 | * 400 250 125 0x03333 |
| 214 | * 400 332 166 0x0268D |
| 215 | * 400 400 200 0x02000 |
| 216 | * -------------------------------------------------------------------- |
| 217 | * 500 200 100 0x05000 |
| 218 | * 500 250 125 0x04000 |
| 219 | * 500 332 166 0x03031 |
| 220 | * 500 400 200 0x02800 |
| 221 | * 500 500 250 0x02000 |
| 222 | * -------------------------------------------------------------------- |
| 223 | * 664 200 100 0x06a38 |
| 224 | * 664 250 125 0x054FD |
| 225 | * 664 332 166 0x04000 |
| 226 | * 664 400 200 0x0351E |
| 227 | * 664 500 250 0x02A7E |
| 228 | * -------------------------------------------------------------------- |
| 229 | * 800 200 100 0x08000 |
| 230 | * 800 250 125 0x06666 |
| 231 | * 800 332 166 0x04D18 |
| 232 | * 800 400 200 0x04000 |
| 233 | * 800 500 250 0x03333 |
| 234 | * -------------------------------------------------------------------- |
| 235 | * sys rate configuration table is in descending order of divisor. |
| 236 | */ |
| 237 | static struct frac_rate_tbl sys_synth_rtbl[] = { |
| 238 | {.div = 0x08000}, |
| 239 | {.div = 0x06a38}, |
| 240 | {.div = 0x06666}, |
| 241 | {.div = 0x054FD}, |
| 242 | {.div = 0x05000}, |
| 243 | {.div = 0x04D18}, |
| 244 | {.div = 0x04000}, |
| 245 | {.div = 0x0351E}, |
| 246 | {.div = 0x03333}, |
| 247 | {.div = 0x03031}, |
| 248 | {.div = 0x02A7E}, |
| 249 | {.div = 0x02800}, |
| 250 | {.div = 0x0268D}, |
| 251 | {.div = 0x02000}, |
| 252 | }; |
| 253 | |
| 254 | /* aux rate configuration table, in ascending order of rates */ |
| 255 | static struct aux_rate_tbl aux_rtbl[] = { |
| 256 | /* For VCO1div2 = 500 MHz */ |
| 257 | {.xscale = 10, .yscale = 204, .eq = 0}, /* 12.29 MHz */ |
| 258 | {.xscale = 4, .yscale = 21, .eq = 0}, /* 48 MHz */ |
| 259 | {.xscale = 2, .yscale = 6, .eq = 0}, /* 83 MHz */ |
| 260 | {.xscale = 2, .yscale = 4, .eq = 0}, /* 125 MHz */ |
| 261 | {.xscale = 1, .yscale = 3, .eq = 1}, /* 166 MHz */ |
| 262 | {.xscale = 1, .yscale = 2, .eq = 1}, /* 250 MHz */ |
| 263 | }; |
| 264 | |
| 265 | /* gmac rate configuration table, in ascending order of rates */ |
| 266 | static struct aux_rate_tbl gmac_rtbl[] = { |
| 267 | /* For gmac phy input clk */ |
| 268 | {.xscale = 2, .yscale = 6, .eq = 0}, /* divided by 6 */ |
| 269 | {.xscale = 2, .yscale = 4, .eq = 0}, /* divided by 4 */ |
| 270 | {.xscale = 1, .yscale = 3, .eq = 1}, /* divided by 3 */ |
| 271 | {.xscale = 1, .yscale = 2, .eq = 1}, /* divided by 2 */ |
| 272 | }; |
| 273 | |
| 274 | /* clcd rate configuration table, in ascending order of rates */ |
| 275 | static struct frac_rate_tbl clcd_rtbl[] = { |
| 276 | {.div = 0x14000}, /* 25 Mhz , for vc01div4 = 250 MHz*/ |
| 277 | {.div = 0x1284B}, /* 27 Mhz , for vc01div4 = 250 MHz*/ |
| 278 | {.div = 0x0D8D3}, /* 58 Mhz , for vco1div4 = 393 MHz */ |
| 279 | {.div = 0x0B72C}, /* 58 Mhz , for vco1div4 = 332 MHz */ |
| 280 | {.div = 0x089EE}, /* 58 Mhz , for vc01div4 = 250 MHz*/ |
| 281 | {.div = 0x07BA0}, /* 65 Mhz , for vc01div4 = 250 MHz*/ |
| 282 | {.div = 0x06f1C}, /* 72 Mhz , for vc01div4 = 250 MHz*/ |
| 283 | {.div = 0x06E58}, /* 58 Mhz , for vco1div4 = 200 MHz */ |
| 284 | {.div = 0x06c1B}, /* 74 Mhz , for vc01div4 = 250 MHz*/ |
| 285 | {.div = 0x04A12}, /* 108 Mhz , for vc01div4 = 250 MHz*/ |
| 286 | {.div = 0x0378E}, /* 144 Mhz , for vc01div4 = 250 MHz*/ |
| 287 | {.div = 0x0360D}, /* 148 Mhz , for vc01div4 = 250 MHz*/ |
| 288 | {.div = 0x035E0}, /* 148.5 MHz, for vc01div4 = 250 MHz*/ |
| 289 | }; |
| 290 | |
| 291 | /* i2s prescaler1 masks */ |
| 292 | static struct aux_clk_masks i2s_prs1_masks = { |
| 293 | .eq_sel_mask = AUX_EQ_SEL_MASK, |
| 294 | .eq_sel_shift = SPEAR1340_I2S_PRS1_EQ_SEL_SHIFT, |
| 295 | .eq1_mask = AUX_EQ1_SEL, |
| 296 | .eq2_mask = AUX_EQ2_SEL, |
| 297 | .xscale_sel_mask = SPEAR1340_I2S_PRS1_CLK_X_MASK, |
| 298 | .xscale_sel_shift = SPEAR1340_I2S_PRS1_CLK_X_SHIFT, |
| 299 | .yscale_sel_mask = SPEAR1340_I2S_PRS1_CLK_Y_MASK, |
| 300 | .yscale_sel_shift = SPEAR1340_I2S_PRS1_CLK_Y_SHIFT, |
| 301 | }; |
| 302 | |
| 303 | /* i2s sclk (bit clock) syynthesizers masks */ |
| 304 | static struct aux_clk_masks i2s_sclk_masks = { |
| 305 | .eq_sel_mask = AUX_EQ_SEL_MASK, |
| 306 | .eq_sel_shift = SPEAR1340_I2S_SCLK_EQ_SEL_SHIFT, |
| 307 | .eq1_mask = AUX_EQ1_SEL, |
| 308 | .eq2_mask = AUX_EQ2_SEL, |
| 309 | .xscale_sel_mask = SPEAR1340_I2S_SCLK_X_MASK, |
| 310 | .xscale_sel_shift = SPEAR1340_I2S_SCLK_X_SHIFT, |
| 311 | .yscale_sel_mask = SPEAR1340_I2S_SCLK_Y_MASK, |
| 312 | .yscale_sel_shift = SPEAR1340_I2S_SCLK_Y_SHIFT, |
| 313 | .enable_bit = SPEAR1340_I2S_SCLK_SYNTH_ENB, |
| 314 | }; |
| 315 | |
| 316 | /* i2s prs1 aux rate configuration table, in ascending order of rates */ |
| 317 | static struct aux_rate_tbl i2s_prs1_rtbl[] = { |
| 318 | /* For parent clk = 49.152 MHz */ |
| 319 | {.xscale = 1, .yscale = 12, .eq = 0}, /* 2.048 MHz, smp freq = 8Khz */ |
| 320 | {.xscale = 11, .yscale = 96, .eq = 0}, /* 2.816 MHz, smp freq = 11Khz */ |
| 321 | {.xscale = 1, .yscale = 6, .eq = 0}, /* 4.096 MHz, smp freq = 16Khz */ |
| 322 | {.xscale = 11, .yscale = 48, .eq = 0}, /* 5.632 MHz, smp freq = 22Khz */ |
| 323 | |
| 324 | /* |
| 325 | * with parent clk = 49.152, freq gen is 8.192 MHz, smp freq = 32Khz |
| 326 | * with parent clk = 12.288, freq gen is 2.048 MHz, smp freq = 8Khz |
| 327 | */ |
| 328 | {.xscale = 1, .yscale = 3, .eq = 0}, |
| 329 | |
| 330 | /* For parent clk = 49.152 MHz */ |
| 331 | {.xscale = 17, .yscale = 37, .eq = 0}, /* 11.289 MHz, smp freq = 44Khz*/ |
| 332 | {.xscale = 1, .yscale = 2, .eq = 0}, /* 12.288 MHz, smp freq = 48Khz*/ |
| 333 | }; |
| 334 | |
| 335 | /* i2s sclk aux rate configuration table, in ascending order of rates */ |
| 336 | static struct aux_rate_tbl i2s_sclk_rtbl[] = { |
| 337 | /* For sclk = ref_clk * x/2/y */ |
| 338 | {.xscale = 1, .yscale = 4, .eq = 0}, |
| 339 | {.xscale = 1, .yscale = 2, .eq = 0}, |
| 340 | }; |
| 341 | |
| 342 | /* adc rate configuration table, in ascending order of rates */ |
| 343 | /* possible adc range is 2.5 MHz to 20 MHz. */ |
| 344 | static struct aux_rate_tbl adc_rtbl[] = { |
| 345 | /* For ahb = 166.67 MHz */ |
| 346 | {.xscale = 1, .yscale = 31, .eq = 0}, /* 2.68 MHz */ |
| 347 | {.xscale = 2, .yscale = 21, .eq = 0}, /* 7.94 MHz */ |
| 348 | {.xscale = 4, .yscale = 21, .eq = 0}, /* 15.87 MHz */ |
| 349 | {.xscale = 10, .yscale = 42, .eq = 0}, /* 19.84 MHz */ |
| 350 | }; |
| 351 | |
| 352 | /* General synth rate configuration table, in ascending order of rates */ |
| 353 | static struct frac_rate_tbl gen_rtbl[] = { |
| 354 | /* For vco1div4 = 250 MHz */ |
| 355 | {.div = 0x1624E}, /* 22.5792 MHz */ |
| 356 | {.div = 0x14585}, /* 24.576 MHz */ |
| 357 | {.div = 0x14000}, /* 25 MHz */ |
| 358 | {.div = 0x0B127}, /* 45.1584 MHz */ |
| 359 | {.div = 0x0A000}, /* 50 MHz */ |
| 360 | {.div = 0x061A8}, /* 81.92 MHz */ |
| 361 | {.div = 0x05000}, /* 100 MHz */ |
| 362 | {.div = 0x02800}, /* 200 MHz */ |
| 363 | {.div = 0x02620}, /* 210 MHz */ |
| 364 | {.div = 0x02460}, /* 220 MHz */ |
| 365 | {.div = 0x022C0}, /* 230 MHz */ |
| 366 | {.div = 0x02160}, /* 240 MHz */ |
| 367 | {.div = 0x02000}, /* 250 MHz */ |
| 368 | }; |
| 369 | |
| 370 | /* clock parents */ |
| 371 | static const char *vco_parents[] = { "osc_24m_clk", "osc_25m_clk", }; |
| 372 | static const char *sys_parents[] = { "none", "pll1_clk", "none", "none", |
| 373 | "sys_synth_clk", "none", "pll2_clk", "pll3_clk", }; |
| 374 | static const char *ahb_parents[] = { "cpu_div3_clk", "amba_synth_clk", }; |
| 375 | static const char *gpt_parents[] = { "osc_24m_clk", "apb_clk", }; |
| 376 | static const char *uart0_parents[] = { "pll5_clk", "osc_24m_clk", |
| 377 | "uart0_synth_gate_clk", }; |
| 378 | static const char *uart1_parents[] = { "pll5_clk", "osc_24m_clk", |
| 379 | "uart1_synth_gate_clk", }; |
| 380 | static const char *c3_parents[] = { "pll5_clk", "c3_synth_gate_clk", }; |
| 381 | static const char *gmac_phy_input_parents[] = { "gmii_125m_pad_clk", "pll2_clk", |
| 382 | "osc_25m_clk", }; |
| 383 | static const char *gmac_phy_parents[] = { "gmac_phy_input_mux_clk", |
| 384 | "gmac_phy_synth_gate_clk", }; |
| 385 | static const char *clcd_synth_parents[] = { "vco1div4_clk", "pll2_clk", }; |
| 386 | static const char *clcd_pixel_parents[] = { "pll5_clk", "clcd_synth_clk", }; |
| 387 | static const char *i2s_src_parents[] = { "vco1div2_clk", "pll2_clk", "pll3_clk", |
| 388 | "i2s_src_pad_clk", }; |
| 389 | static const char *i2s_ref_parents[] = { "i2s_src_mux_clk", "i2s_prs1_clk", }; |
| 390 | static const char *spdif_out_parents[] = { "i2s_src_pad_clk", "gen_synth2_clk", |
| 391 | }; |
| 392 | static const char *spdif_in_parents[] = { "pll2_clk", "gen_synth3_clk", }; |
| 393 | |
| 394 | static const char *gen_synth0_1_parents[] = { "vco1div4_clk", "vco3div2_clk", |
| 395 | "pll3_clk", }; |
| 396 | static const char *gen_synth2_3_parents[] = { "vco1div4_clk", "vco3div2_clk", |
| 397 | "pll2_clk", }; |
| 398 | |
| 399 | void __init spear1340_clk_init(void) |
| 400 | { |
| 401 | struct clk *clk, *clk1; |
| 402 | |
| 403 | clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, CLK_IS_ROOT, 0); |
| 404 | clk_register_clkdev(clk, "apb_pclk", NULL); |
| 405 | |
| 406 | clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, CLK_IS_ROOT, |
| 407 | 32000); |
| 408 | clk_register_clkdev(clk, "osc_32k_clk", NULL); |
| 409 | |
| 410 | clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, CLK_IS_ROOT, |
| 411 | 24000000); |
| 412 | clk_register_clkdev(clk, "osc_24m_clk", NULL); |
| 413 | |
| 414 | clk = clk_register_fixed_rate(NULL, "osc_25m_clk", NULL, CLK_IS_ROOT, |
| 415 | 25000000); |
| 416 | clk_register_clkdev(clk, "osc_25m_clk", NULL); |
| 417 | |
| 418 | clk = clk_register_fixed_rate(NULL, "gmii_125m_pad_clk", NULL, |
| 419 | CLK_IS_ROOT, 125000000); |
| 420 | clk_register_clkdev(clk, "gmii_125m_pad_clk", NULL); |
| 421 | |
| 422 | clk = clk_register_fixed_rate(NULL, "i2s_src_pad_clk", NULL, |
| 423 | CLK_IS_ROOT, 12288000); |
| 424 | clk_register_clkdev(clk, "i2s_src_pad_clk", NULL); |
| 425 | |
| 426 | /* clock derived from 32 KHz osc clk */ |
| 427 | clk = clk_register_gate(NULL, "rtc-spear", "osc_32k_clk", 0, |
| 428 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_RTC_CLK_ENB, 0, |
| 429 | &_lock); |
| 430 | clk_register_clkdev(clk, NULL, "fc900000.rtc"); |
| 431 | |
| 432 | /* clock derived from 24 or 25 MHz osc clk */ |
| 433 | /* vco-pll */ |
| 434 | clk = clk_register_mux(NULL, "vco1_mux_clk", vco_parents, |
| 435 | ARRAY_SIZE(vco_parents), 0, SPEAR1340_PLL_CFG, |
| 436 | SPEAR1340_PLL1_CLK_SHIFT, SPEAR1340_PLL_CLK_MASK, 0, |
| 437 | &_lock); |
| 438 | clk_register_clkdev(clk, "vco1_mux_clk", NULL); |
| 439 | clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL, "vco1_mux_clk", |
| 440 | 0, SPEAR1340_PLL1_CTR, SPEAR1340_PLL1_FRQ, pll_rtbl, |
| 441 | ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL); |
| 442 | clk_register_clkdev(clk, "vco1_clk", NULL); |
| 443 | clk_register_clkdev(clk1, "pll1_clk", NULL); |
| 444 | |
| 445 | clk = clk_register_mux(NULL, "vco2_mux_clk", vco_parents, |
| 446 | ARRAY_SIZE(vco_parents), 0, SPEAR1340_PLL_CFG, |
| 447 | SPEAR1340_PLL2_CLK_SHIFT, SPEAR1340_PLL_CLK_MASK, 0, |
| 448 | &_lock); |
| 449 | clk_register_clkdev(clk, "vco2_mux_clk", NULL); |
| 450 | clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL, "vco2_mux_clk", |
| 451 | 0, SPEAR1340_PLL2_CTR, SPEAR1340_PLL2_FRQ, pll_rtbl, |
| 452 | ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL); |
| 453 | clk_register_clkdev(clk, "vco2_clk", NULL); |
| 454 | clk_register_clkdev(clk1, "pll2_clk", NULL); |
| 455 | |
| 456 | clk = clk_register_mux(NULL, "vco3_mux_clk", vco_parents, |
| 457 | ARRAY_SIZE(vco_parents), 0, SPEAR1340_PLL_CFG, |
| 458 | SPEAR1340_PLL3_CLK_SHIFT, SPEAR1340_PLL_CLK_MASK, 0, |
| 459 | &_lock); |
| 460 | clk_register_clkdev(clk, "vco3_mux_clk", NULL); |
| 461 | clk = clk_register_vco_pll("vco3_clk", "pll3_clk", NULL, "vco3_mux_clk", |
| 462 | 0, SPEAR1340_PLL3_CTR, SPEAR1340_PLL3_FRQ, pll_rtbl, |
| 463 | ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL); |
| 464 | clk_register_clkdev(clk, "vco3_clk", NULL); |
| 465 | clk_register_clkdev(clk1, "pll3_clk", NULL); |
| 466 | |
| 467 | clk = clk_register_vco_pll("vco4_clk", "pll4_clk", NULL, "osc_24m_clk", |
| 468 | 0, SPEAR1340_PLL4_CTR, SPEAR1340_PLL4_FRQ, pll4_rtbl, |
| 469 | ARRAY_SIZE(pll4_rtbl), &_lock, &clk1, NULL); |
| 470 | clk_register_clkdev(clk, "vco4_clk", NULL); |
| 471 | clk_register_clkdev(clk1, "pll4_clk", NULL); |
| 472 | |
| 473 | clk = clk_register_fixed_rate(NULL, "pll5_clk", "osc_24m_clk", 0, |
| 474 | 48000000); |
| 475 | clk_register_clkdev(clk, "pll5_clk", NULL); |
| 476 | |
| 477 | clk = clk_register_fixed_rate(NULL, "pll6_clk", "osc_25m_clk", 0, |
| 478 | 25000000); |
| 479 | clk_register_clkdev(clk, "pll6_clk", NULL); |
| 480 | |
| 481 | /* vco div n clocks */ |
| 482 | clk = clk_register_fixed_factor(NULL, "vco1div2_clk", "vco1_clk", 0, 1, |
| 483 | 2); |
| 484 | clk_register_clkdev(clk, "vco1div2_clk", NULL); |
| 485 | |
| 486 | clk = clk_register_fixed_factor(NULL, "vco1div4_clk", "vco1_clk", 0, 1, |
| 487 | 4); |
| 488 | clk_register_clkdev(clk, "vco1div4_clk", NULL); |
| 489 | |
| 490 | clk = clk_register_fixed_factor(NULL, "vco2div2_clk", "vco2_clk", 0, 1, |
| 491 | 2); |
| 492 | clk_register_clkdev(clk, "vco2div2_clk", NULL); |
| 493 | |
| 494 | clk = clk_register_fixed_factor(NULL, "vco3div2_clk", "vco3_clk", 0, 1, |
| 495 | 2); |
| 496 | clk_register_clkdev(clk, "vco3div2_clk", NULL); |
| 497 | |
| 498 | /* peripherals */ |
| 499 | clk_register_fixed_factor(NULL, "thermal_clk", "osc_24m_clk", 0, 1, |
| 500 | 128); |
| 501 | clk = clk_register_gate(NULL, "thermal_gate_clk", "thermal_clk", 0, |
| 502 | SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_THSENS_CLK_ENB, 0, |
| 503 | &_lock); |
| 504 | clk_register_clkdev(clk, NULL, "spear_thermal"); |
| 505 | |
| 506 | /* clock derived from pll4 clk */ |
| 507 | clk = clk_register_fixed_factor(NULL, "ddr_clk", "pll4_clk", 0, 1, |
| 508 | 1); |
| 509 | clk_register_clkdev(clk, "ddr_clk", NULL); |
| 510 | |
| 511 | /* clock derived from pll1 clk */ |
| 512 | clk = clk_register_frac("sys_synth_clk", "vco1div2_clk", 0, |
| 513 | SPEAR1340_SYS_CLK_SYNT, sys_synth_rtbl, |
| 514 | ARRAY_SIZE(sys_synth_rtbl), &_lock); |
| 515 | clk_register_clkdev(clk, "sys_synth_clk", NULL); |
| 516 | |
| 517 | clk = clk_register_frac("amba_synth_clk", "vco1div2_clk", 0, |
| 518 | SPEAR1340_AMBA_CLK_SYNT, amba_synth_rtbl, |
| 519 | ARRAY_SIZE(amba_synth_rtbl), &_lock); |
| 520 | clk_register_clkdev(clk, "amba_synth_clk", NULL); |
| 521 | |
| 522 | clk = clk_register_mux(NULL, "sys_mux_clk", sys_parents, |
| 523 | ARRAY_SIZE(sys_parents), 0, SPEAR1340_SYS_CLK_CTRL, |
| 524 | SPEAR1340_SCLK_SRC_SEL_SHIFT, |
| 525 | SPEAR1340_SCLK_SRC_SEL_MASK, 0, &_lock); |
| 526 | clk_register_clkdev(clk, "sys_clk", NULL); |
| 527 | |
| 528 | clk = clk_register_fixed_factor(NULL, "cpu_clk", "sys_mux_clk", 0, 1, |
| 529 | 2); |
| 530 | clk_register_clkdev(clk, "cpu_clk", NULL); |
| 531 | |
| 532 | clk = clk_register_fixed_factor(NULL, "cpu_div3_clk", "cpu_clk", 0, 1, |
| 533 | 3); |
| 534 | clk_register_clkdev(clk, "cpu_div3_clk", NULL); |
| 535 | |
| 536 | clk = clk_register_fixed_factor(NULL, "wdt_clk", "cpu_clk", 0, 1, |
| 537 | 2); |
| 538 | clk_register_clkdev(clk, NULL, "ec800620.wdt"); |
| 539 | |
| 540 | clk = clk_register_mux(NULL, "ahb_clk", ahb_parents, |
| 541 | ARRAY_SIZE(ahb_parents), 0, SPEAR1340_SYS_CLK_CTRL, |
| 542 | SPEAR1340_HCLK_SRC_SEL_SHIFT, |
| 543 | SPEAR1340_HCLK_SRC_SEL_MASK, 0, &_lock); |
| 544 | clk_register_clkdev(clk, "ahb_clk", NULL); |
| 545 | |
| 546 | clk = clk_register_fixed_factor(NULL, "apb_clk", "ahb_clk", 0, 1, |
| 547 | 2); |
| 548 | clk_register_clkdev(clk, "apb_clk", NULL); |
| 549 | |
| 550 | /* gpt clocks */ |
| 551 | clk = clk_register_mux(NULL, "gpt0_mux_clk", gpt_parents, |
| 552 | ARRAY_SIZE(gpt_parents), 0, SPEAR1340_PERIP_CLK_CFG, |
| 553 | SPEAR1340_GPT0_CLK_SHIFT, SPEAR1340_GPT_CLK_MASK, 0, |
| 554 | &_lock); |
| 555 | clk_register_clkdev(clk, "gpt0_mux_clk", NULL); |
| 556 | clk = clk_register_gate(NULL, "gpt0_clk", "gpt0_mux_clk", 0, |
| 557 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPT0_CLK_ENB, 0, |
| 558 | &_lock); |
| 559 | clk_register_clkdev(clk, NULL, "gpt0"); |
| 560 | |
| 561 | clk = clk_register_mux(NULL, "gpt1_mux_clk", gpt_parents, |
| 562 | ARRAY_SIZE(gpt_parents), 0, SPEAR1340_PERIP_CLK_CFG, |
| 563 | SPEAR1340_GPT1_CLK_SHIFT, SPEAR1340_GPT_CLK_MASK, 0, |
| 564 | &_lock); |
| 565 | clk_register_clkdev(clk, "gpt1_mux_clk", NULL); |
| 566 | clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mux_clk", 0, |
| 567 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPT1_CLK_ENB, 0, |
| 568 | &_lock); |
| 569 | clk_register_clkdev(clk, NULL, "gpt1"); |
| 570 | |
| 571 | clk = clk_register_mux(NULL, "gpt2_mux_clk", gpt_parents, |
| 572 | ARRAY_SIZE(gpt_parents), 0, SPEAR1340_PERIP_CLK_CFG, |
| 573 | SPEAR1340_GPT2_CLK_SHIFT, SPEAR1340_GPT_CLK_MASK, 0, |
| 574 | &_lock); |
| 575 | clk_register_clkdev(clk, "gpt2_mux_clk", NULL); |
| 576 | clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mux_clk", 0, |
| 577 | SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_GPT2_CLK_ENB, 0, |
| 578 | &_lock); |
| 579 | clk_register_clkdev(clk, NULL, "gpt2"); |
| 580 | |
| 581 | clk = clk_register_mux(NULL, "gpt3_mux_clk", gpt_parents, |
| 582 | ARRAY_SIZE(gpt_parents), 0, SPEAR1340_PERIP_CLK_CFG, |
| 583 | SPEAR1340_GPT3_CLK_SHIFT, SPEAR1340_GPT_CLK_MASK, 0, |
| 584 | &_lock); |
| 585 | clk_register_clkdev(clk, "gpt3_mux_clk", NULL); |
| 586 | clk = clk_register_gate(NULL, "gpt3_clk", "gpt3_mux_clk", 0, |
| 587 | SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_GPT3_CLK_ENB, 0, |
| 588 | &_lock); |
| 589 | clk_register_clkdev(clk, NULL, "gpt3"); |
| 590 | |
| 591 | /* others */ |
| 592 | clk = clk_register_aux("uart0_synth_clk", "uart0_synth_gate_clk", |
| 593 | "vco1div2_clk", 0, SPEAR1340_UART0_CLK_SYNT, NULL, |
| 594 | aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1); |
| 595 | clk_register_clkdev(clk, "uart0_synth_clk", NULL); |
| 596 | clk_register_clkdev(clk1, "uart0_synth_gate_clk", NULL); |
| 597 | |
| 598 | clk = clk_register_mux(NULL, "uart0_mux_clk", uart0_parents, |
| 599 | ARRAY_SIZE(uart0_parents), 0, SPEAR1340_PERIP_CLK_CFG, |
| 600 | SPEAR1340_UART0_CLK_SHIFT, SPEAR1340_UART_CLK_MASK, 0, |
| 601 | &_lock); |
| 602 | clk_register_clkdev(clk, "uart0_mux_clk", NULL); |
| 603 | |
| 604 | clk = clk_register_gate(NULL, "uart0_clk", "uart0_mux_clk", 0, |
| 605 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_UART0_CLK_ENB, 0, |
| 606 | &_lock); |
| 607 | clk_register_clkdev(clk, NULL, "e0000000.serial"); |
| 608 | |
| 609 | clk = clk_register_aux("uart1_synth_clk", "uart1_synth_gate_clk", |
| 610 | "vco1div2_clk", 0, SPEAR1340_UART1_CLK_SYNT, NULL, |
| 611 | aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1); |
| 612 | clk_register_clkdev(clk, "uart1_synth_clk", NULL); |
| 613 | clk_register_clkdev(clk1, "uart1_synth_gate_clk", NULL); |
| 614 | |
| 615 | clk = clk_register_mux(NULL, "uart1_mux_clk", uart1_parents, |
| 616 | ARRAY_SIZE(uart1_parents), 0, SPEAR1340_PERIP_CLK_CFG, |
| 617 | SPEAR1340_UART1_CLK_SHIFT, SPEAR1340_UART_CLK_MASK, 0, |
| 618 | &_lock); |
| 619 | clk_register_clkdev(clk, "uart1_mux_clk", NULL); |
| 620 | |
| 621 | clk = clk_register_gate(NULL, "uart1_clk", "uart1_mux_clk", 0, |
| 622 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_UART1_CLK_ENB, 0, |
| 623 | &_lock); |
| 624 | clk_register_clkdev(clk, NULL, "b4100000.serial"); |
| 625 | |
| 626 | clk = clk_register_aux("sdhci_synth_clk", "sdhci_synth_gate_clk", |
| 627 | "vco1div2_clk", 0, SPEAR1340_SDHCI_CLK_SYNT, NULL, |
| 628 | aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1); |
| 629 | clk_register_clkdev(clk, "sdhci_synth_clk", NULL); |
| 630 | clk_register_clkdev(clk1, "sdhci_synth_gate_clk", NULL); |
| 631 | |
| 632 | clk = clk_register_gate(NULL, "sdhci_clk", "sdhci_synth_gate_clk", 0, |
| 633 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SDHCI_CLK_ENB, 0, |
| 634 | &_lock); |
| 635 | clk_register_clkdev(clk, NULL, "b3000000.sdhci"); |
| 636 | |
| 637 | clk = clk_register_aux("cfxd_synth_clk", "cfxd_synth_gate_clk", |
| 638 | "vco1div2_clk", 0, SPEAR1340_CFXD_CLK_SYNT, NULL, |
| 639 | aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1); |
| 640 | clk_register_clkdev(clk, "cfxd_synth_clk", NULL); |
| 641 | clk_register_clkdev(clk1, "cfxd_synth_gate_clk", NULL); |
| 642 | |
| 643 | clk = clk_register_gate(NULL, "cfxd_clk", "cfxd_synth_gate_clk", 0, |
| 644 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_CFXD_CLK_ENB, 0, |
| 645 | &_lock); |
| 646 | clk_register_clkdev(clk, NULL, "b2800000.cf"); |
| 647 | clk_register_clkdev(clk, NULL, "arasan_xd"); |
| 648 | |
| 649 | clk = clk_register_aux("c3_synth_clk", "c3_synth_gate_clk", |
| 650 | "vco1div2_clk", 0, SPEAR1340_C3_CLK_SYNT, NULL, |
| 651 | aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1); |
| 652 | clk_register_clkdev(clk, "c3_synth_clk", NULL); |
| 653 | clk_register_clkdev(clk1, "c3_synth_gate_clk", NULL); |
| 654 | |
| 655 | clk = clk_register_mux(NULL, "c3_mux_clk", c3_parents, |
| 656 | ARRAY_SIZE(c3_parents), 0, SPEAR1340_PERIP_CLK_CFG, |
| 657 | SPEAR1340_C3_CLK_SHIFT, SPEAR1340_C3_CLK_MASK, 0, |
| 658 | &_lock); |
| 659 | clk_register_clkdev(clk, "c3_mux_clk", NULL); |
| 660 | |
| 661 | clk = clk_register_gate(NULL, "c3_clk", "c3_mux_clk", 0, |
| 662 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_C3_CLK_ENB, 0, |
| 663 | &_lock); |
| 664 | clk_register_clkdev(clk, NULL, "c3"); |
| 665 | |
| 666 | /* gmac */ |
| 667 | clk = clk_register_mux(NULL, "gmac_phy_input_mux_clk", |
| 668 | gmac_phy_input_parents, |
| 669 | ARRAY_SIZE(gmac_phy_input_parents), 0, |
| 670 | SPEAR1340_GMAC_CLK_CFG, |
| 671 | SPEAR1340_GMAC_PHY_INPUT_CLK_SHIFT, |
| 672 | SPEAR1340_GMAC_PHY_INPUT_CLK_MASK, 0, &_lock); |
| 673 | clk_register_clkdev(clk, "gmac_phy_input_mux_clk", NULL); |
| 674 | |
| 675 | clk = clk_register_aux("gmac_phy_synth_clk", "gmac_phy_synth_gate_clk", |
| 676 | "gmac_phy_input_mux_clk", 0, SPEAR1340_GMAC_CLK_SYNT, |
| 677 | NULL, gmac_rtbl, ARRAY_SIZE(gmac_rtbl), &_lock, &clk1); |
| 678 | clk_register_clkdev(clk, "gmac_phy_synth_clk", NULL); |
| 679 | clk_register_clkdev(clk1, "gmac_phy_synth_gate_clk", NULL); |
| 680 | |
| 681 | clk = clk_register_mux(NULL, "gmac_phy_mux_clk", gmac_phy_parents, |
| 682 | ARRAY_SIZE(gmac_phy_parents), 0, |
| 683 | SPEAR1340_PERIP_CLK_CFG, SPEAR1340_GMAC_PHY_CLK_SHIFT, |
| 684 | SPEAR1340_GMAC_PHY_CLK_MASK, 0, &_lock); |
| 685 | clk_register_clkdev(clk, NULL, "stmmacphy.0"); |
| 686 | |
| 687 | /* clcd */ |
| 688 | clk = clk_register_mux(NULL, "clcd_synth_mux_clk", clcd_synth_parents, |
| 689 | ARRAY_SIZE(clcd_synth_parents), 0, |
| 690 | SPEAR1340_CLCD_CLK_SYNT, SPEAR1340_CLCD_SYNT_CLK_SHIFT, |
| 691 | SPEAR1340_CLCD_SYNT_CLK_MASK, 0, &_lock); |
| 692 | clk_register_clkdev(clk, "clcd_synth_mux_clk", NULL); |
| 693 | |
| 694 | clk = clk_register_frac("clcd_synth_clk", "clcd_synth_mux_clk", 0, |
| 695 | SPEAR1340_CLCD_CLK_SYNT, clcd_rtbl, |
| 696 | ARRAY_SIZE(clcd_rtbl), &_lock); |
| 697 | clk_register_clkdev(clk, "clcd_synth_clk", NULL); |
| 698 | |
| 699 | clk = clk_register_mux(NULL, "clcd_pixel_mux_clk", clcd_pixel_parents, |
| 700 | ARRAY_SIZE(clcd_pixel_parents), 0, |
| 701 | SPEAR1340_PERIP_CLK_CFG, SPEAR1340_CLCD_CLK_SHIFT, |
| 702 | SPEAR1340_CLCD_CLK_MASK, 0, &_lock); |
| 703 | clk_register_clkdev(clk, "clcd_pixel_clk", NULL); |
| 704 | |
| 705 | clk = clk_register_gate(NULL, "clcd_clk", "clcd_pixel_mux_clk", 0, |
| 706 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_CLCD_CLK_ENB, 0, |
| 707 | &_lock); |
| 708 | clk_register_clkdev(clk, "clcd_clk", NULL); |
| 709 | |
| 710 | /* i2s */ |
| 711 | clk = clk_register_mux(NULL, "i2s_src_mux_clk", i2s_src_parents, |
| 712 | ARRAY_SIZE(i2s_src_parents), 0, SPEAR1340_I2S_CLK_CFG, |
| 713 | SPEAR1340_I2S_SRC_CLK_SHIFT, SPEAR1340_I2S_SRC_CLK_MASK, |
| 714 | 0, &_lock); |
| 715 | clk_register_clkdev(clk, "i2s_src_clk", NULL); |
| 716 | |
| 717 | clk = clk_register_aux("i2s_prs1_clk", NULL, "i2s_src_mux_clk", 0, |
| 718 | SPEAR1340_I2S_CLK_CFG, &i2s_prs1_masks, i2s_prs1_rtbl, |
| 719 | ARRAY_SIZE(i2s_prs1_rtbl), &_lock, NULL); |
| 720 | clk_register_clkdev(clk, "i2s_prs1_clk", NULL); |
| 721 | |
| 722 | clk = clk_register_mux(NULL, "i2s_ref_mux_clk", i2s_ref_parents, |
| 723 | ARRAY_SIZE(i2s_ref_parents), 0, SPEAR1340_I2S_CLK_CFG, |
| 724 | SPEAR1340_I2S_REF_SHIFT, SPEAR1340_I2S_REF_SEL_MASK, 0, |
| 725 | &_lock); |
| 726 | clk_register_clkdev(clk, "i2s_ref_clk", NULL); |
| 727 | |
| 728 | clk = clk_register_gate(NULL, "i2s_ref_pad_clk", "i2s_ref_mux_clk", 0, |
| 729 | SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_I2S_REF_PAD_CLK_ENB, |
| 730 | 0, &_lock); |
| 731 | clk_register_clkdev(clk, "i2s_ref_pad_clk", NULL); |
| 732 | |
| 733 | clk = clk_register_aux("i2s_sclk_clk", "i2s_sclk_gate_clk", |
| 734 | "i2s_ref_mux_clk", 0, SPEAR1340_I2S_CLK_CFG, |
| 735 | &i2s_sclk_masks, i2s_sclk_rtbl, |
| 736 | ARRAY_SIZE(i2s_sclk_rtbl), &_lock, &clk1); |
| 737 | clk_register_clkdev(clk, "i2s_sclk_clk", NULL); |
| 738 | clk_register_clkdev(clk1, "i2s_sclk_gate_clk", NULL); |
| 739 | |
| 740 | /* clock derived from ahb clk */ |
| 741 | clk = clk_register_gate(NULL, "i2c0_clk", "ahb_clk", 0, |
| 742 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_I2C0_CLK_ENB, 0, |
| 743 | &_lock); |
| 744 | clk_register_clkdev(clk, NULL, "e0280000.i2c"); |
| 745 | |
| 746 | clk = clk_register_gate(NULL, "i2c1_clk", "ahb_clk", 0, |
| 747 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_I2C1_CLK_ENB, 0, |
| 748 | &_lock); |
| 749 | clk_register_clkdev(clk, NULL, "b4000000.i2c"); |
| 750 | |
| 751 | clk = clk_register_gate(NULL, "dma_clk", "ahb_clk", 0, |
| 752 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_DMA_CLK_ENB, 0, |
| 753 | &_lock); |
| 754 | clk_register_clkdev(clk, NULL, "ea800000.dma"); |
| 755 | clk_register_clkdev(clk, NULL, "eb000000.dma"); |
| 756 | |
| 757 | clk = clk_register_gate(NULL, "gmac_clk", "ahb_clk", 0, |
| 758 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GMAC_CLK_ENB, 0, |
| 759 | &_lock); |
| 760 | clk_register_clkdev(clk, NULL, "e2000000.eth"); |
| 761 | |
| 762 | clk = clk_register_gate(NULL, "fsmc_clk", "ahb_clk", 0, |
| 763 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_FSMC_CLK_ENB, 0, |
| 764 | &_lock); |
| 765 | clk_register_clkdev(clk, NULL, "b0000000.flash"); |
| 766 | |
| 767 | clk = clk_register_gate(NULL, "smi_clk", "ahb_clk", 0, |
| 768 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SMI_CLK_ENB, 0, |
| 769 | &_lock); |
| 770 | clk_register_clkdev(clk, NULL, "ea000000.flash"); |
| 771 | |
| 772 | clk = clk_register_gate(NULL, "usbh0_clk", "ahb_clk", 0, |
| 773 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_UHC0_CLK_ENB, 0, |
| 774 | &_lock); |
| 775 | clk_register_clkdev(clk, "usbh.0_clk", NULL); |
| 776 | |
| 777 | clk = clk_register_gate(NULL, "usbh1_clk", "ahb_clk", 0, |
| 778 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_UHC1_CLK_ENB, 0, |
| 779 | &_lock); |
| 780 | clk_register_clkdev(clk, "usbh.1_clk", NULL); |
| 781 | |
| 782 | clk = clk_register_gate(NULL, "uoc_clk", "ahb_clk", 0, |
| 783 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_UOC_CLK_ENB, 0, |
| 784 | &_lock); |
| 785 | clk_register_clkdev(clk, NULL, "uoc"); |
| 786 | |
| 787 | clk = clk_register_gate(NULL, "pcie_sata_clk", "ahb_clk", 0, |
| 788 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_PCIE_SATA_CLK_ENB, |
| 789 | 0, &_lock); |
| 790 | clk_register_clkdev(clk, NULL, "dw_pcie"); |
| 791 | clk_register_clkdev(clk, NULL, "ahci"); |
| 792 | |
| 793 | clk = clk_register_gate(NULL, "sysram0_clk", "ahb_clk", 0, |
| 794 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SYSRAM0_CLK_ENB, 0, |
| 795 | &_lock); |
| 796 | clk_register_clkdev(clk, "sysram0_clk", NULL); |
| 797 | |
| 798 | clk = clk_register_gate(NULL, "sysram1_clk", "ahb_clk", 0, |
| 799 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SYSRAM1_CLK_ENB, 0, |
| 800 | &_lock); |
| 801 | clk_register_clkdev(clk, "sysram1_clk", NULL); |
| 802 | |
| 803 | clk = clk_register_aux("adc_synth_clk", "adc_synth_gate_clk", "ahb_clk", |
| 804 | 0, SPEAR1340_ADC_CLK_SYNT, NULL, adc_rtbl, |
| 805 | ARRAY_SIZE(adc_rtbl), &_lock, &clk1); |
| 806 | clk_register_clkdev(clk, "adc_synth_clk", NULL); |
| 807 | clk_register_clkdev(clk1, "adc_synth_gate_clk", NULL); |
| 808 | |
| 809 | clk = clk_register_gate(NULL, "adc_clk", "adc_synth_gate_clk", 0, |
| 810 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_ADC_CLK_ENB, 0, |
| 811 | &_lock); |
| 812 | clk_register_clkdev(clk, NULL, "adc_clk"); |
| 813 | |
| 814 | /* clock derived from apb clk */ |
| 815 | clk = clk_register_gate(NULL, "ssp_clk", "apb_clk", 0, |
| 816 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SSP_CLK_ENB, 0, |
| 817 | &_lock); |
| 818 | clk_register_clkdev(clk, NULL, "e0100000.spi"); |
| 819 | |
| 820 | clk = clk_register_gate(NULL, "gpio0_clk", "apb_clk", 0, |
| 821 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPIO0_CLK_ENB, 0, |
| 822 | &_lock); |
| 823 | clk_register_clkdev(clk, NULL, "e0600000.gpio"); |
| 824 | |
| 825 | clk = clk_register_gate(NULL, "gpio1_clk", "apb_clk", 0, |
| 826 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPIO1_CLK_ENB, 0, |
| 827 | &_lock); |
| 828 | clk_register_clkdev(clk, NULL, "e0680000.gpio"); |
| 829 | |
| 830 | clk = clk_register_gate(NULL, "i2s_play_clk", "apb_clk", 0, |
| 831 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_I2S_PLAY_CLK_ENB, 0, |
| 832 | &_lock); |
| 833 | clk_register_clkdev(clk, NULL, "b2400000.i2s"); |
| 834 | |
| 835 | clk = clk_register_gate(NULL, "i2s_rec_clk", "apb_clk", 0, |
| 836 | SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_I2S_REC_CLK_ENB, 0, |
| 837 | &_lock); |
| 838 | clk_register_clkdev(clk, NULL, "b2000000.i2s"); |
| 839 | |
| 840 | clk = clk_register_gate(NULL, "kbd_clk", "apb_clk", 0, |
| 841 | SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_KBD_CLK_ENB, 0, |
| 842 | &_lock); |
| 843 | clk_register_clkdev(clk, NULL, "e0300000.kbd"); |
| 844 | |
| 845 | /* RAS clks */ |
| 846 | clk = clk_register_mux(NULL, "gen_synth0_1_mux_clk", |
| 847 | gen_synth0_1_parents, ARRAY_SIZE(gen_synth0_1_parents), |
| 848 | 0, SPEAR1340_PLL_CFG, SPEAR1340_GEN_SYNT0_1_CLK_SHIFT, |
| 849 | SPEAR1340_GEN_SYNT_CLK_MASK, 0, &_lock); |
| 850 | clk_register_clkdev(clk, "gen_synth0_1_clk", NULL); |
| 851 | |
| 852 | clk = clk_register_mux(NULL, "gen_synth2_3_mux_clk", |
| 853 | gen_synth2_3_parents, ARRAY_SIZE(gen_synth2_3_parents), |
| 854 | 0, SPEAR1340_PLL_CFG, SPEAR1340_GEN_SYNT2_3_CLK_SHIFT, |
| 855 | SPEAR1340_GEN_SYNT_CLK_MASK, 0, &_lock); |
| 856 | clk_register_clkdev(clk, "gen_synth2_3_clk", NULL); |
| 857 | |
| 858 | clk = clk_register_frac("gen_synth0_clk", "gen_synth0_1_clk", 0, |
| 859 | SPEAR1340_GEN_CLK_SYNT0, gen_rtbl, ARRAY_SIZE(gen_rtbl), |
| 860 | &_lock); |
| 861 | clk_register_clkdev(clk, "gen_synth0_clk", NULL); |
| 862 | |
| 863 | clk = clk_register_frac("gen_synth1_clk", "gen_synth0_1_clk", 0, |
| 864 | SPEAR1340_GEN_CLK_SYNT1, gen_rtbl, ARRAY_SIZE(gen_rtbl), |
| 865 | &_lock); |
| 866 | clk_register_clkdev(clk, "gen_synth1_clk", NULL); |
| 867 | |
| 868 | clk = clk_register_frac("gen_synth2_clk", "gen_synth2_3_clk", 0, |
| 869 | SPEAR1340_GEN_CLK_SYNT2, gen_rtbl, ARRAY_SIZE(gen_rtbl), |
| 870 | &_lock); |
| 871 | clk_register_clkdev(clk, "gen_synth2_clk", NULL); |
| 872 | |
| 873 | clk = clk_register_frac("gen_synth3_clk", "gen_synth2_3_clk", 0, |
| 874 | SPEAR1340_GEN_CLK_SYNT3, gen_rtbl, ARRAY_SIZE(gen_rtbl), |
| 875 | &_lock); |
| 876 | clk_register_clkdev(clk, "gen_synth3_clk", NULL); |
| 877 | |
| 878 | clk = clk_register_gate(NULL, "mali_clk", "gen_synth3_clk", 0, |
| 879 | SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_MALI_CLK_ENB, 0, |
| 880 | &_lock); |
| 881 | clk_register_clkdev(clk, NULL, "mali"); |
| 882 | |
| 883 | clk = clk_register_gate(NULL, "cec0_clk", "ahb_clk", 0, |
| 884 | SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CEC0_CLK_ENB, 0, |
| 885 | &_lock); |
| 886 | clk_register_clkdev(clk, NULL, "spear_cec.0"); |
| 887 | |
| 888 | clk = clk_register_gate(NULL, "cec1_clk", "ahb_clk", 0, |
| 889 | SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CEC1_CLK_ENB, 0, |
| 890 | &_lock); |
| 891 | clk_register_clkdev(clk, NULL, "spear_cec.1"); |
| 892 | |
| 893 | clk = clk_register_mux(NULL, "spdif_out_mux_clk", spdif_out_parents, |
| 894 | ARRAY_SIZE(spdif_out_parents), 0, |
| 895 | SPEAR1340_PERIP_CLK_CFG, SPEAR1340_SPDIF_OUT_CLK_SHIFT, |
| 896 | SPEAR1340_SPDIF_CLK_MASK, 0, &_lock); |
| 897 | clk_register_clkdev(clk, "spdif_out_mux_clk", NULL); |
| 898 | |
| 899 | clk = clk_register_gate(NULL, "spdif_out_clk", "spdif_out_mux_clk", 0, |
| 900 | SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_SPDIF_OUT_CLK_ENB, |
| 901 | 0, &_lock); |
| 902 | clk_register_clkdev(clk, NULL, "spdif-out"); |
| 903 | |
| 904 | clk = clk_register_mux(NULL, "spdif_in_mux_clk", spdif_in_parents, |
| 905 | ARRAY_SIZE(spdif_in_parents), 0, |
| 906 | SPEAR1340_PERIP_CLK_CFG, SPEAR1340_SPDIF_IN_CLK_SHIFT, |
| 907 | SPEAR1340_SPDIF_CLK_MASK, 0, &_lock); |
| 908 | clk_register_clkdev(clk, "spdif_in_mux_clk", NULL); |
| 909 | |
| 910 | clk = clk_register_gate(NULL, "spdif_in_clk", "spdif_in_mux_clk", 0, |
| 911 | SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_SPDIF_IN_CLK_ENB, 0, |
| 912 | &_lock); |
| 913 | clk_register_clkdev(clk, NULL, "spdif-in"); |
| 914 | |
| 915 | clk = clk_register_gate(NULL, "acp_clk", "acp_mux_clk", 0, |
| 916 | SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_ACP_CLK_ENB, 0, |
| 917 | &_lock); |
| 918 | clk_register_clkdev(clk, NULL, "acp_clk"); |
| 919 | |
| 920 | clk = clk_register_gate(NULL, "plgpio_clk", "plgpio_mux_clk", 0, |
| 921 | SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_PLGPIO_CLK_ENB, 0, |
| 922 | &_lock); |
| 923 | clk_register_clkdev(clk, NULL, "plgpio"); |
| 924 | |
| 925 | clk = clk_register_gate(NULL, "video_dec_clk", "video_dec_mux_clk", 0, |
| 926 | SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_VIDEO_DEC_CLK_ENB, |
| 927 | 0, &_lock); |
| 928 | clk_register_clkdev(clk, NULL, "video_dec"); |
| 929 | |
| 930 | clk = clk_register_gate(NULL, "video_enc_clk", "video_enc_mux_clk", 0, |
| 931 | SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_VIDEO_ENC_CLK_ENB, |
| 932 | 0, &_lock); |
| 933 | clk_register_clkdev(clk, NULL, "video_enc"); |
| 934 | |
| 935 | clk = clk_register_gate(NULL, "video_in_clk", "video_in_mux_clk", 0, |
| 936 | SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_VIDEO_IN_CLK_ENB, 0, |
| 937 | &_lock); |
| 938 | clk_register_clkdev(clk, NULL, "spear_vip"); |
| 939 | |
| 940 | clk = clk_register_gate(NULL, "cam0_clk", "cam0_mux_clk", 0, |
| 941 | SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM0_CLK_ENB, 0, |
| 942 | &_lock); |
| 943 | clk_register_clkdev(clk, NULL, "spear_camif.0"); |
| 944 | |
| 945 | clk = clk_register_gate(NULL, "cam1_clk", "cam1_mux_clk", 0, |
| 946 | SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM1_CLK_ENB, 0, |
| 947 | &_lock); |
| 948 | clk_register_clkdev(clk, NULL, "spear_camif.1"); |
| 949 | |
| 950 | clk = clk_register_gate(NULL, "cam2_clk", "cam2_mux_clk", 0, |
| 951 | SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM2_CLK_ENB, 0, |
| 952 | &_lock); |
| 953 | clk_register_clkdev(clk, NULL, "spear_camif.2"); |
| 954 | |
| 955 | clk = clk_register_gate(NULL, "cam3_clk", "cam3_mux_clk", 0, |
| 956 | SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM3_CLK_ENB, 0, |
| 957 | &_lock); |
| 958 | clk_register_clkdev(clk, NULL, "spear_camif.3"); |
| 959 | |
| 960 | clk = clk_register_gate(NULL, "pwm_clk", "pwm_mux_clk", 0, |
| 961 | SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_PWM_CLK_ENB, 0, |
| 962 | &_lock); |
| 963 | clk_register_clkdev(clk, NULL, "pwm"); |
| 964 | } |