1 /* 2 * mmp2 clock framework source file 3 * 4 * Copyright (C) 2012 Marvell 5 * Chao Xie <xiechao.mail@gmail.com> 6 * Copyright (C) 2020 Lubomir Rintel <lkundrak@v3.sk> 7 * 8 * This file is licensed under the terms of the GNU General Public 9 * License version 2. This program is licensed "as is" without any 10 * warranty of any kind, whether express or implied. 11 */ 12 13 #include <linux/module.h> 14 #include <linux/kernel.h> 15 #include <linux/spinlock.h> 16 #include <linux/io.h> 17 #include <linux/delay.h> 18 #include <linux/err.h> 19 #include <linux/of_address.h> 20 #include <linux/clk.h> 21 22 #include <dt-bindings/clock/marvell,mmp2.h> 23 #include <dt-bindings/power/marvell,mmp2.h> 24 25 #include "clk.h" 26 #include "reset.h" 27 28 #define APBC_RTC 0x0 29 #define APBC_TWSI0 0x4 30 #define APBC_TWSI1 0x8 31 #define APBC_TWSI2 0xc 32 #define APBC_TWSI3 0x10 33 #define APBC_TWSI4 0x7c 34 #define APBC_TWSI5 0x80 35 #define APBC_KPC 0x18 36 #define APBC_TIMER 0x24 37 #define APBC_UART0 0x2c 38 #define APBC_UART1 0x30 39 #define APBC_UART2 0x34 40 #define APBC_UART3 0x88 41 #define APBC_GPIO 0x38 42 #define APBC_PWM0 0x3c 43 #define APBC_PWM1 0x40 44 #define APBC_PWM2 0x44 45 #define APBC_PWM3 0x48 46 #define APBC_SSP0 0x50 47 #define APBC_SSP1 0x54 48 #define APBC_SSP2 0x58 49 #define APBC_SSP3 0x5c 50 #define APBC_THERMAL0 0x90 51 #define APBC_THERMAL1 0x98 52 #define APBC_THERMAL2 0x9c 53 #define APBC_THERMAL3 0xa0 54 #define APMU_SDH0 0x54 55 #define APMU_SDH1 0x58 56 #define APMU_SDH2 0xe8 57 #define APMU_SDH3 0xec 58 #define APMU_SDH4 0x15c 59 #define APMU_USB 0x5c 60 #define APMU_DISP0 0x4c 61 #define APMU_DISP1 0x110 62 #define APMU_CCIC0 0x50 63 #define APMU_CCIC1 0xf4 64 #define APMU_USBHSIC0 0xf8 65 #define APMU_USBHSIC1 0xfc 66 #define APMU_GPU 0xcc 67 #define APMU_AUDIO 0x10c 68 #define APMU_CAMERA 0x1fc 69 70 #define MPMU_FCCR 0x8 71 #define MPMU_POSR 0x10 72 #define MPMU_UART_PLL 0x14 73 #define MPMU_PLL2_CR 0x34 74 #define MPMU_I2S0_PLL 0x40 75 #define MPMU_I2S1_PLL 0x44 76 #define MPMU_ACGR 0x1024 77 /* MMP3 specific below */ 78 #define MPMU_PLL3_CR 0x50 79 #define MPMU_PLL3_CTRL1 0x58 80 #define MPMU_PLL1_CTRL 0x5c 81 #define MPMU_PLL_DIFF_CTRL 0x68 82 #define MPMU_PLL2_CTRL1 0x414 83 84 enum mmp2_clk_model { 85 CLK_MODEL_MMP2, 86 CLK_MODEL_MMP3, 87 }; 88 89 struct mmp2_clk_unit { 90 struct mmp_clk_unit unit; 91 enum mmp2_clk_model model; 92 struct genpd_onecell_data pd_data; 93 struct generic_pm_domain *pm_domains[MMP2_NR_POWER_DOMAINS]; 94 void __iomem *mpmu_base; 95 void __iomem *apmu_base; 96 void __iomem *apbc_base; 97 }; 98 99 static struct mmp_param_fixed_rate_clk fixed_rate_clks[] = { 100 {MMP2_CLK_CLK32, "clk32", NULL, 0, 32768}, 101 {MMP2_CLK_VCTCXO, "vctcxo", NULL, 0, 26000000}, 102 {MMP2_CLK_USB_PLL, "usb_pll", NULL, 0, 480000000}, 103 {0, "i2s_pll", NULL, 0, 99666667}, 104 }; 105 106 static struct mmp_param_pll_clk pll_clks[] = { 107 {MMP2_CLK_PLL1, "pll1", 797330000, MPMU_FCCR, 0x4000, MPMU_POSR, 0}, 108 {MMP2_CLK_PLL2, "pll2", 0, MPMU_PLL2_CR, 0x0300, MPMU_PLL2_CR, 10}, 109 }; 110 111 static struct mmp_param_pll_clk mmp3_pll_clks[] = { 112 {MMP2_CLK_PLL2, "pll1", 797330000, MPMU_FCCR, 0x4000, MPMU_POSR, 0, 26000000, MPMU_PLL1_CTRL, 25}, 113 {MMP2_CLK_PLL2, "pll2", 0, MPMU_PLL2_CR, 0x0300, MPMU_PLL2_CR, 10, 26000000, MPMU_PLL2_CTRL1, 25}, 114 {MMP3_CLK_PLL1_P, "pll1_p", 0, MPMU_PLL_DIFF_CTRL, 0x0010, 0, 0, 797330000, MPMU_PLL_DIFF_CTRL, 0}, 115 {MMP3_CLK_PLL2_P, "pll2_p", 0, MPMU_PLL_DIFF_CTRL, 0x0100, MPMU_PLL2_CR, 10, 26000000, MPMU_PLL_DIFF_CTRL, 5}, 116 {MMP3_CLK_PLL3, "pll3", 0, MPMU_PLL3_CR, 0x0300, MPMU_PLL3_CR, 10, 26000000, MPMU_PLL3_CTRL1, 25}, 117 }; 118 119 static struct mmp_param_fixed_factor_clk fixed_factor_clks[] = { 120 {MMP2_CLK_PLL1_2, "pll1_2", "pll1", 1, 2, 0}, 121 {MMP2_CLK_PLL1_4, "pll1_4", "pll1_2", 1, 2, 0}, 122 {MMP2_CLK_PLL1_8, "pll1_8", "pll1_4", 1, 2, 0}, 123 {MMP2_CLK_PLL1_16, "pll1_16", "pll1_8", 1, 2, 0}, 124 {MMP2_CLK_PLL1_20, "pll1_20", "pll1_4", 1, 5, 0}, 125 {MMP2_CLK_PLL1_3, "pll1_3", "pll1", 1, 3, 0}, 126 {MMP2_CLK_PLL1_6, "pll1_6", "pll1_3", 1, 2, 0}, 127 {MMP2_CLK_PLL1_12, "pll1_12", "pll1_6", 1, 2, 0}, 128 {MMP2_CLK_PLL2_2, "pll2_2", "pll2", 1, 2, 0}, 129 {MMP2_CLK_PLL2_4, "pll2_4", "pll2_2", 1, 2, 0}, 130 {MMP2_CLK_PLL2_8, "pll2_8", "pll2_4", 1, 2, 0}, 131 {MMP2_CLK_PLL2_16, "pll2_16", "pll2_8", 1, 2, 0}, 132 {MMP2_CLK_PLL2_3, "pll2_3", "pll2", 1, 3, 0}, 133 {MMP2_CLK_PLL2_6, "pll2_6", "pll2_3", 1, 2, 0}, 134 {MMP2_CLK_PLL2_12, "pll2_12", "pll2_6", 1, 2, 0}, 135 {MMP2_CLK_VCTCXO_2, "vctcxo_2", "vctcxo", 1, 2, 0}, 136 {MMP2_CLK_VCTCXO_4, "vctcxo_4", "vctcxo_2", 1, 2, 0}, 137 }; 138 139 static struct mmp_clk_factor_masks uart_factor_masks = { 140 .factor = 2, 141 .num_mask = 0x1fff, 142 .den_mask = 0x1fff, 143 .num_shift = 16, 144 .den_shift = 0, 145 }; 146 147 static struct mmp_clk_factor_tbl uart_factor_tbl[] = { 148 {.num = 8125, .den = 1536}, /*14.745MHZ */ 149 {.num = 3521, .den = 689}, /*19.23MHZ */ 150 }; 151 152 static struct mmp_clk_factor_masks i2s_factor_masks = { 153 .factor = 2, 154 .num_mask = 0x7fff, 155 .den_mask = 0x1fff, 156 .num_shift = 0, 157 .den_shift = 15, 158 .enable_mask = 0xd0000000, 159 }; 160 161 static struct mmp_clk_factor_tbl i2s_factor_tbl[] = { 162 {.num = 24868, .den = 511}, /* 2.0480 MHz */ 163 {.num = 28003, .den = 793}, /* 2.8224 MHz */ 164 {.num = 24941, .den = 1025}, /* 4.0960 MHz */ 165 {.num = 28003, .den = 1586}, /* 5.6448 MHz */ 166 {.num = 31158, .den = 2561}, /* 8.1920 MHz */ 167 {.num = 16288, .den = 1845}, /* 11.2896 MHz */ 168 {.num = 20772, .den = 2561}, /* 12.2880 MHz */ 169 {.num = 8144, .den = 1845}, /* 22.5792 MHz */ 170 {.num = 10386, .den = 2561}, /* 24.5760 MHz */ 171 }; 172 173 static DEFINE_SPINLOCK(acgr_lock); 174 175 static struct mmp_param_gate_clk mpmu_gate_clks[] = { 176 {MMP2_CLK_I2S0, "i2s0_clk", "i2s0_pll", CLK_SET_RATE_PARENT, MPMU_ACGR, 0x200000, 0x200000, 0x0, 0, &acgr_lock}, 177 {MMP2_CLK_I2S1, "i2s1_clk", "i2s1_pll", CLK_SET_RATE_PARENT, MPMU_ACGR, 0x100000, 0x100000, 0x0, 0, &acgr_lock}, 178 }; 179 180 static void mmp2_main_clk_init(struct mmp2_clk_unit *pxa_unit) 181 { 182 struct clk *clk; 183 struct mmp_clk_unit *unit = &pxa_unit->unit; 184 185 mmp_register_fixed_rate_clks(unit, fixed_rate_clks, 186 ARRAY_SIZE(fixed_rate_clks)); 187 188 if (pxa_unit->model == CLK_MODEL_MMP3) { 189 mmp_register_pll_clks(unit, mmp3_pll_clks, 190 pxa_unit->mpmu_base, 191 ARRAY_SIZE(mmp3_pll_clks)); 192 } else { 193 mmp_register_pll_clks(unit, pll_clks, 194 pxa_unit->mpmu_base, 195 ARRAY_SIZE(pll_clks)); 196 } 197 198 mmp_register_fixed_factor_clks(unit, fixed_factor_clks, 199 ARRAY_SIZE(fixed_factor_clks)); 200 201 clk = mmp_clk_register_factor("uart_pll", "pll1_4", 202 CLK_SET_RATE_PARENT, 203 pxa_unit->mpmu_base + MPMU_UART_PLL, 204 &uart_factor_masks, uart_factor_tbl, 205 ARRAY_SIZE(uart_factor_tbl), NULL); 206 mmp_clk_add(unit, MMP2_CLK_UART_PLL, clk); 207 208 mmp_clk_register_factor("i2s0_pll", "pll1_4", 209 CLK_SET_RATE_PARENT, 210 pxa_unit->mpmu_base + MPMU_I2S0_PLL, 211 &i2s_factor_masks, i2s_factor_tbl, 212 ARRAY_SIZE(i2s_factor_tbl), NULL); 213 mmp_clk_register_factor("i2s1_pll", "pll1_4", 214 CLK_SET_RATE_PARENT, 215 pxa_unit->mpmu_base + MPMU_I2S1_PLL, 216 &i2s_factor_masks, i2s_factor_tbl, 217 ARRAY_SIZE(i2s_factor_tbl), NULL); 218 219 mmp_register_gate_clks(unit, mpmu_gate_clks, pxa_unit->mpmu_base, 220 ARRAY_SIZE(mpmu_gate_clks)); 221 } 222 223 static DEFINE_SPINLOCK(uart0_lock); 224 static DEFINE_SPINLOCK(uart1_lock); 225 static DEFINE_SPINLOCK(uart2_lock); 226 static const char * const uart_parent_names[] = {"uart_pll", "vctcxo"}; 227 228 static DEFINE_SPINLOCK(ssp0_lock); 229 static DEFINE_SPINLOCK(ssp1_lock); 230 static DEFINE_SPINLOCK(ssp2_lock); 231 static DEFINE_SPINLOCK(ssp3_lock); 232 static const char * const ssp_parent_names[] = {"vctcxo_4", "vctcxo_2", "vctcxo", "pll1_16"}; 233 234 static DEFINE_SPINLOCK(timer_lock); 235 static const char * const timer_parent_names[] = {"clk32", "vctcxo_4", "vctcxo_2", "vctcxo"}; 236 237 static DEFINE_SPINLOCK(reset_lock); 238 239 static struct mmp_param_mux_clk apbc_mux_clks[] = { 240 {0, "uart0_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART0, 4, 3, 0, &uart0_lock}, 241 {0, "uart1_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART1, 4, 3, 0, &uart1_lock}, 242 {0, "uart2_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART2, 4, 3, 0, &uart2_lock}, 243 {0, "uart3_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART3, 4, 3, 0, &uart2_lock}, 244 {0, "ssp0_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP0, 4, 3, 0, &ssp0_lock}, 245 {0, "ssp1_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP1, 4, 3, 0, &ssp1_lock}, 246 {0, "ssp2_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP2, 4, 3, 0, &ssp2_lock}, 247 {0, "ssp3_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP3, 4, 3, 0, &ssp3_lock}, 248 {0, "timer_mux", timer_parent_names, ARRAY_SIZE(timer_parent_names), CLK_SET_RATE_PARENT, APBC_TIMER, 4, 3, 0, &timer_lock}, 249 }; 250 251 static struct mmp_param_gate_clk apbc_gate_clks[] = { 252 {MMP2_CLK_TWSI0, "twsi0_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI0, 0x7, 0x3, 0x0, 0, &reset_lock}, 253 {MMP2_CLK_TWSI1, "twsi1_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI1, 0x7, 0x3, 0x0, 0, &reset_lock}, 254 {MMP2_CLK_TWSI2, "twsi2_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI2, 0x7, 0x3, 0x0, 0, &reset_lock}, 255 {MMP2_CLK_TWSI3, "twsi3_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI3, 0x7, 0x3, 0x0, 0, &reset_lock}, 256 {MMP2_CLK_TWSI4, "twsi4_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI4, 0x7, 0x3, 0x0, 0, &reset_lock}, 257 {MMP2_CLK_TWSI5, "twsi5_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI5, 0x7, 0x3, 0x0, 0, &reset_lock}, 258 {MMP2_CLK_GPIO, "gpio_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_GPIO, 0x7, 0x3, 0x0, 0, &reset_lock}, 259 {MMP2_CLK_KPC, "kpc_clk", "clk32", CLK_SET_RATE_PARENT, APBC_KPC, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock}, 260 {MMP2_CLK_RTC, "rtc_clk", "clk32", CLK_SET_RATE_PARENT, APBC_RTC, 0x87, 0x83, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock}, 261 {MMP2_CLK_PWM0, "pwm0_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM0, 0x7, 0x3, 0x0, 0, &reset_lock}, 262 {MMP2_CLK_PWM1, "pwm1_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM1, 0x7, 0x3, 0x0, 0, &reset_lock}, 263 {MMP2_CLK_PWM2, "pwm2_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM2, 0x7, 0x3, 0x0, 0, &reset_lock}, 264 {MMP2_CLK_PWM3, "pwm3_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM3, 0x7, 0x3, 0x0, 0, &reset_lock}, 265 /* The gate clocks has mux parent. */ 266 {MMP2_CLK_UART0, "uart0_clk", "uart0_mux", CLK_SET_RATE_PARENT, APBC_UART0, 0x7, 0x3, 0x0, 0, &uart0_lock}, 267 {MMP2_CLK_UART1, "uart1_clk", "uart1_mux", CLK_SET_RATE_PARENT, APBC_UART1, 0x7, 0x3, 0x0, 0, &uart1_lock}, 268 {MMP2_CLK_UART2, "uart2_clk", "uart2_mux", CLK_SET_RATE_PARENT, APBC_UART2, 0x7, 0x3, 0x0, 0, &uart2_lock}, 269 {MMP2_CLK_UART3, "uart3_clk", "uart3_mux", CLK_SET_RATE_PARENT, APBC_UART3, 0x7, 0x3, 0x0, 0, &uart2_lock}, 270 {MMP2_CLK_SSP0, "ssp0_clk", "ssp0_mux", CLK_SET_RATE_PARENT, APBC_SSP0, 0x7, 0x3, 0x0, 0, &ssp0_lock}, 271 {MMP2_CLK_SSP1, "ssp1_clk", "ssp1_mux", CLK_SET_RATE_PARENT, APBC_SSP1, 0x7, 0x3, 0x0, 0, &ssp1_lock}, 272 {MMP2_CLK_SSP2, "ssp2_clk", "ssp2_mux", CLK_SET_RATE_PARENT, APBC_SSP2, 0x7, 0x3, 0x0, 0, &ssp2_lock}, 273 {MMP2_CLK_SSP3, "ssp3_clk", "ssp3_mux", CLK_SET_RATE_PARENT, APBC_SSP3, 0x7, 0x3, 0x0, 0, &ssp3_lock}, 274 {MMP2_CLK_TIMER, "timer_clk", "timer_mux", CLK_SET_RATE_PARENT, APBC_TIMER, 0x7, 0x3, 0x0, 0, &timer_lock}, 275 {MMP2_CLK_THERMAL0, "thermal0_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL0, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock}, 276 }; 277 278 static struct mmp_param_gate_clk mmp3_apbc_gate_clks[] = { 279 {MMP3_CLK_THERMAL1, "thermal1_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL1, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock}, 280 {MMP3_CLK_THERMAL2, "thermal2_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL2, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock}, 281 {MMP3_CLK_THERMAL3, "thermal3_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL3, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock}, 282 }; 283 284 static void mmp2_apb_periph_clk_init(struct mmp2_clk_unit *pxa_unit) 285 { 286 struct mmp_clk_unit *unit = &pxa_unit->unit; 287 288 mmp_register_mux_clks(unit, apbc_mux_clks, pxa_unit->apbc_base, 289 ARRAY_SIZE(apbc_mux_clks)); 290 291 mmp_register_gate_clks(unit, apbc_gate_clks, pxa_unit->apbc_base, 292 ARRAY_SIZE(apbc_gate_clks)); 293 294 if (pxa_unit->model == CLK_MODEL_MMP3) { 295 mmp_register_gate_clks(unit, mmp3_apbc_gate_clks, pxa_unit->apbc_base, 296 ARRAY_SIZE(mmp3_apbc_gate_clks)); 297 } 298 } 299 300 static DEFINE_SPINLOCK(sdh_lock); 301 static const char * const sdh_parent_names[] = {"pll1_4", "pll2", "usb_pll", "pll1"}; 302 static struct mmp_clk_mix_config sdh_mix_config = { 303 .reg_info = DEFINE_MIX_REG_INFO(4, 10, 2, 8, 32), 304 }; 305 306 static DEFINE_SPINLOCK(usb_lock); 307 static DEFINE_SPINLOCK(usbhsic0_lock); 308 static DEFINE_SPINLOCK(usbhsic1_lock); 309 310 static DEFINE_SPINLOCK(disp0_lock); 311 static DEFINE_SPINLOCK(disp1_lock); 312 static const char * const disp_parent_names[] = {"pll1", "pll1_16", "pll2", "vctcxo"}; 313 314 static DEFINE_SPINLOCK(ccic0_lock); 315 static DEFINE_SPINLOCK(ccic1_lock); 316 static const char * const ccic_parent_names[] = {"pll1_2", "pll1_16", "vctcxo"}; 317 318 static DEFINE_SPINLOCK(gpu_lock); 319 static const char * const mmp2_gpu_gc_parent_names[] = {"pll1_2", "pll1_3", "pll2_2", "pll2_3", "pll2", "usb_pll"}; 320 static u32 mmp2_gpu_gc_parent_table[] = { 0x0000, 0x0040, 0x0080, 0x00c0, 0x1000, 0x1040 }; 321 static const char * const mmp2_gpu_bus_parent_names[] = {"pll1_4", "pll2", "pll2_2", "usb_pll"}; 322 static u32 mmp2_gpu_bus_parent_table[] = { 0x0000, 0x0020, 0x0030, 0x4020 }; 323 static const char * const mmp3_gpu_bus_parent_names[] = {"pll1_4", "pll1_6", "pll1_2", "pll2_2"}; 324 static const char * const mmp3_gpu_gc_parent_names[] = {"pll1", "pll2", "pll1_p", "pll2_p"}; 325 326 static DEFINE_SPINLOCK(audio_lock); 327 328 static struct mmp_clk_mix_config ccic0_mix_config = { 329 .reg_info = DEFINE_MIX_REG_INFO(4, 17, 2, 6, 32), 330 }; 331 static struct mmp_clk_mix_config ccic1_mix_config = { 332 .reg_info = DEFINE_MIX_REG_INFO(4, 16, 2, 6, 32), 333 }; 334 335 static struct mmp_param_mux_clk apmu_mux_clks[] = { 336 {MMP2_CLK_DISP0_MUX, "disp0_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP0, 6, 2, 0, &disp0_lock}, 337 {MMP2_CLK_DISP1_MUX, "disp1_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP1, 6, 2, 0, &disp1_lock}, 338 }; 339 340 static struct mmp_param_mux_clk mmp3_apmu_mux_clks[] = { 341 {0, "gpu_bus_mux", mmp3_gpu_bus_parent_names, ARRAY_SIZE(mmp3_gpu_bus_parent_names), 342 CLK_SET_RATE_PARENT, APMU_GPU, 4, 2, 0, &gpu_lock}, 343 {0, "gpu_3d_mux", mmp3_gpu_gc_parent_names, ARRAY_SIZE(mmp3_gpu_gc_parent_names), 344 CLK_SET_RATE_PARENT, APMU_GPU, 6, 2, 0, &gpu_lock}, 345 {0, "gpu_2d_mux", mmp3_gpu_gc_parent_names, ARRAY_SIZE(mmp3_gpu_gc_parent_names), 346 CLK_SET_RATE_PARENT, APMU_GPU, 12, 2, 0, &gpu_lock}, 347 }; 348 349 static struct mmp_param_div_clk apmu_div_clks[] = { 350 {0, "disp0_div", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 8, 4, 0, &disp0_lock}, 351 {0, "disp0_sphy_div", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 15, 5, 0, &disp0_lock}, 352 {0, "disp1_div", "disp1_mux", CLK_SET_RATE_PARENT, APMU_DISP1, 8, 4, 0, &disp1_lock}, 353 {0, "ccic0_sphy_div", "ccic0_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC0, 10, 5, 0, &ccic0_lock}, 354 {0, "ccic1_sphy_div", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 10, 5, 0, &ccic1_lock}, 355 }; 356 357 static struct mmp_param_div_clk mmp3_apmu_div_clks[] = { 358 {0, "gpu_3d_div", "gpu_3d_mux", CLK_SET_RATE_PARENT, APMU_GPU, 24, 4, 0, &gpu_lock}, 359 {0, "gpu_2d_div", "gpu_2d_mux", CLK_SET_RATE_PARENT, APMU_GPU, 28, 4, 0, &gpu_lock}, 360 }; 361 362 static struct mmp_param_gate_clk apmu_gate_clks[] = { 363 {MMP2_CLK_USB, "usb_clk", "usb_pll", 0, APMU_USB, 0x9, 0x9, 0x0, 0, &usb_lock}, 364 {MMP2_CLK_USBHSIC0, "usbhsic0_clk", "usb_pll", 0, APMU_USBHSIC0, 0x1b, 0x1b, 0x0, 0, &usbhsic0_lock}, 365 {MMP2_CLK_USBHSIC1, "usbhsic1_clk", "usb_pll", 0, APMU_USBHSIC1, 0x1b, 0x1b, 0x0, 0, &usbhsic1_lock}, 366 /* The gate clocks has mux parent. */ 367 {MMP2_CLK_SDH0, "sdh0_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH0, 0x1b, 0x1b, 0x0, 0, &sdh_lock}, 368 {MMP2_CLK_SDH1, "sdh1_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH1, 0x1b, 0x1b, 0x0, 0, &sdh_lock}, 369 {MMP2_CLK_SDH2, "sdh2_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH2, 0x1b, 0x1b, 0x0, 0, &sdh_lock}, 370 {MMP2_CLK_SDH3, "sdh3_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH3, 0x1b, 0x1b, 0x0, 0, &sdh_lock}, 371 {MMP2_CLK_DISP0, "disp0_clk", "disp0_div", CLK_SET_RATE_PARENT, APMU_DISP0, 0x12, 0x12, 0x0, 0, &disp0_lock}, 372 {MMP2_CLK_DISP0_LCDC, "disp0_lcdc_clk", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 0x09, 0x09, 0x0, 0, &disp0_lock}, 373 {MMP2_CLK_DISP0_SPHY, "disp0_sphy_clk", "disp0_sphy_div", CLK_SET_RATE_PARENT, APMU_DISP0, 0x1024, 0x1024, 0x0, 0, &disp0_lock}, 374 {MMP2_CLK_DISP1, "disp1_clk", "disp1_div", CLK_SET_RATE_PARENT, APMU_DISP1, 0x09, 0x09, 0x0, 0, &disp1_lock}, 375 {MMP2_CLK_CCIC_ARBITER, "ccic_arbiter", "vctcxo", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x1800, 0x1800, 0x0, 0, &ccic0_lock}, 376 {MMP2_CLK_CCIC0, "ccic0_clk", "ccic0_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x1b, 0x1b, 0x0, 0, &ccic0_lock}, 377 {MMP2_CLK_CCIC0_PHY, "ccic0_phy_clk", "ccic0_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x24, 0x24, 0x0, 0, &ccic0_lock}, 378 {MMP2_CLK_CCIC0_SPHY, "ccic0_sphy_clk", "ccic0_sphy_div", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x300, 0x300, 0x0, 0, &ccic0_lock}, 379 {MMP2_CLK_CCIC1, "ccic1_clk", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x1b, 0x1b, 0x0, 0, &ccic1_lock}, 380 {MMP2_CLK_CCIC1_PHY, "ccic1_phy_clk", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x24, 0x24, 0x0, 0, &ccic1_lock}, 381 {MMP2_CLK_CCIC1_SPHY, "ccic1_sphy_clk", "ccic1_sphy_div", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x300, 0x300, 0x0, 0, &ccic1_lock}, 382 {MMP2_CLK_GPU_BUS, "gpu_bus_clk", "gpu_bus_mux", CLK_SET_RATE_PARENT, APMU_GPU, 0xa, 0xa, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock}, 383 {MMP2_CLK_AUDIO, "audio_clk", "audio_mix_clk", CLK_SET_RATE_PARENT, APMU_AUDIO, 0x12, 0x12, 0x0, 0, &audio_lock}, 384 }; 385 386 static struct mmp_param_gate_clk mmp2_apmu_gate_clks[] = { 387 {MMP2_CLK_GPU_3D, "gpu_3d_clk", "gpu_3d_mux", CLK_SET_RATE_PARENT, APMU_GPU, 0x5, 0x5, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock}, 388 }; 389 390 static struct mmp_param_gate_clk mmp3_apmu_gate_clks[] = { 391 {MMP3_CLK_SDH4, "sdh4_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH4, 0x1b, 0x1b, 0x0, 0, &sdh_lock}, 392 {MMP3_CLK_GPU_3D, "gpu_3d_clk", "gpu_3d_div", CLK_SET_RATE_PARENT, APMU_GPU, 0x5, 0x5, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock}, 393 {MMP3_CLK_GPU_2D, "gpu_2d_clk", "gpu_2d_div", CLK_SET_RATE_PARENT, APMU_GPU, 0x1c0000, 0x1c0000, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock}, 394 }; 395 396 static void mmp2_axi_periph_clk_init(struct mmp2_clk_unit *pxa_unit) 397 { 398 struct clk *clk; 399 struct mmp_clk_unit *unit = &pxa_unit->unit; 400 401 sdh_mix_config.reg_info.reg_clk_ctrl = pxa_unit->apmu_base + APMU_SDH0; 402 clk = mmp_clk_register_mix(NULL, "sdh_mix_clk", sdh_parent_names, 403 ARRAY_SIZE(sdh_parent_names), 404 CLK_SET_RATE_PARENT, 405 &sdh_mix_config, &sdh_lock); 406 407 ccic0_mix_config.reg_info.reg_clk_ctrl = pxa_unit->apmu_base + APMU_CCIC0; 408 clk = mmp_clk_register_mix(NULL, "ccic0_mix_clk", ccic_parent_names, 409 ARRAY_SIZE(ccic_parent_names), 410 CLK_SET_RATE_PARENT, 411 &ccic0_mix_config, &ccic0_lock); 412 mmp_clk_add(unit, MMP2_CLK_CCIC0_MIX, clk); 413 414 ccic1_mix_config.reg_info.reg_clk_ctrl = pxa_unit->apmu_base + APMU_CCIC1; 415 clk = mmp_clk_register_mix(NULL, "ccic1_mix_clk", ccic_parent_names, 416 ARRAY_SIZE(ccic_parent_names), 417 CLK_SET_RATE_PARENT, 418 &ccic1_mix_config, &ccic1_lock); 419 mmp_clk_add(unit, MMP2_CLK_CCIC1_MIX, clk); 420 421 mmp_register_mux_clks(unit, apmu_mux_clks, pxa_unit->apmu_base, 422 ARRAY_SIZE(apmu_mux_clks)); 423 424 mmp_register_div_clks(unit, apmu_div_clks, pxa_unit->apmu_base, 425 ARRAY_SIZE(apmu_div_clks)); 426 427 mmp_register_gate_clks(unit, apmu_gate_clks, pxa_unit->apmu_base, 428 ARRAY_SIZE(apmu_gate_clks)); 429 430 if (pxa_unit->model == CLK_MODEL_MMP3) { 431 mmp_register_mux_clks(unit, mmp3_apmu_mux_clks, pxa_unit->apmu_base, 432 ARRAY_SIZE(mmp3_apmu_mux_clks)); 433 434 mmp_register_div_clks(unit, mmp3_apmu_div_clks, pxa_unit->apmu_base, 435 ARRAY_SIZE(mmp3_apmu_div_clks)); 436 437 mmp_register_gate_clks(unit, mmp3_apmu_gate_clks, pxa_unit->apmu_base, 438 ARRAY_SIZE(mmp3_apmu_gate_clks)); 439 } else { 440 clk_register_mux_table(NULL, "gpu_3d_mux", mmp2_gpu_gc_parent_names, 441 ARRAY_SIZE(mmp2_gpu_gc_parent_names), 442 CLK_SET_RATE_PARENT, 443 pxa_unit->apmu_base + APMU_GPU, 444 0, 0x10c0, 0, 445 mmp2_gpu_gc_parent_table, &gpu_lock); 446 447 clk_register_mux_table(NULL, "gpu_bus_mux", mmp2_gpu_bus_parent_names, 448 ARRAY_SIZE(mmp2_gpu_bus_parent_names), 449 CLK_SET_RATE_PARENT, 450 pxa_unit->apmu_base + APMU_GPU, 451 0, 0x4030, 0, 452 mmp2_gpu_bus_parent_table, &gpu_lock); 453 454 mmp_register_gate_clks(unit, mmp2_apmu_gate_clks, pxa_unit->apmu_base, 455 ARRAY_SIZE(mmp2_apmu_gate_clks)); 456 } 457 } 458 459 static void mmp2_clk_reset_init(struct device_node *np, 460 struct mmp2_clk_unit *pxa_unit) 461 { 462 struct mmp_clk_reset_cell *cells; 463 int i, nr_resets; 464 465 nr_resets = ARRAY_SIZE(apbc_gate_clks); 466 cells = kcalloc(nr_resets, sizeof(*cells), GFP_KERNEL); 467 if (!cells) 468 return; 469 470 for (i = 0; i < nr_resets; i++) { 471 cells[i].clk_id = apbc_gate_clks[i].id; 472 cells[i].reg = pxa_unit->apbc_base + apbc_gate_clks[i].offset; 473 cells[i].flags = 0; 474 cells[i].lock = apbc_gate_clks[i].lock; 475 cells[i].bits = 0x4; 476 } 477 478 mmp_clk_reset_register(np, cells, nr_resets); 479 } 480 481 static void mmp2_pm_domain_init(struct device_node *np, 482 struct mmp2_clk_unit *pxa_unit) 483 { 484 if (pxa_unit->model == CLK_MODEL_MMP3) { 485 pxa_unit->pm_domains[MMP2_POWER_DOMAIN_GPU] 486 = mmp_pm_domain_register("gpu", 487 pxa_unit->apmu_base + APMU_GPU, 488 0x0600, 0x40003, 0x18000c, 0, &gpu_lock); 489 } else { 490 pxa_unit->pm_domains[MMP2_POWER_DOMAIN_GPU] 491 = mmp_pm_domain_register("gpu", 492 pxa_unit->apmu_base + APMU_GPU, 493 0x8600, 0x00003, 0x00000c, 494 MMP_PM_DOMAIN_NO_DISABLE, &gpu_lock); 495 } 496 pxa_unit->pd_data.num_domains++; 497 498 pxa_unit->pm_domains[MMP2_POWER_DOMAIN_AUDIO] 499 = mmp_pm_domain_register("audio", 500 pxa_unit->apmu_base + APMU_AUDIO, 501 0x600, 0x2, 0, 0, &audio_lock); 502 pxa_unit->pd_data.num_domains++; 503 504 if (pxa_unit->model == CLK_MODEL_MMP3) { 505 pxa_unit->pm_domains[MMP3_POWER_DOMAIN_CAMERA] 506 = mmp_pm_domain_register("camera", 507 pxa_unit->apmu_base + APMU_CAMERA, 508 0x600, 0, 0, 0, NULL); 509 pxa_unit->pd_data.num_domains++; 510 } 511 512 pxa_unit->pd_data.domains = pxa_unit->pm_domains; 513 of_genpd_add_provider_onecell(np, &pxa_unit->pd_data); 514 } 515 516 static void __init mmp2_clk_init(struct device_node *np) 517 { 518 struct mmp2_clk_unit *pxa_unit; 519 520 pxa_unit = kzalloc(sizeof(*pxa_unit), GFP_KERNEL); 521 if (!pxa_unit) 522 return; 523 524 if (of_device_is_compatible(np, "marvell,mmp3-clock")) 525 pxa_unit->model = CLK_MODEL_MMP3; 526 else 527 pxa_unit->model = CLK_MODEL_MMP2; 528 529 pxa_unit->mpmu_base = of_iomap(np, 0); 530 if (!pxa_unit->mpmu_base) { 531 pr_err("failed to map mpmu registers\n"); 532 goto free_memory; 533 } 534 535 pxa_unit->apmu_base = of_iomap(np, 1); 536 if (!pxa_unit->apmu_base) { 537 pr_err("failed to map apmu registers\n"); 538 goto unmap_mpmu_region; 539 } 540 541 pxa_unit->apbc_base = of_iomap(np, 2); 542 if (!pxa_unit->apbc_base) { 543 pr_err("failed to map apbc registers\n"); 544 goto unmap_apmu_region; 545 } 546 547 mmp2_pm_domain_init(np, pxa_unit); 548 549 mmp_clk_init(np, &pxa_unit->unit, MMP2_NR_CLKS); 550 551 mmp2_main_clk_init(pxa_unit); 552 553 mmp2_apb_periph_clk_init(pxa_unit); 554 555 mmp2_axi_periph_clk_init(pxa_unit); 556 557 mmp2_clk_reset_init(np, pxa_unit); 558 559 return; 560 561 unmap_apmu_region: 562 iounmap(pxa_unit->apmu_base); 563 unmap_mpmu_region: 564 iounmap(pxa_unit->mpmu_base); 565 free_memory: 566 kfree(pxa_unit); 567 } 568 569 CLK_OF_DECLARE(mmp2_clk, "marvell,mmp2-clock", mmp2_clk_init); 570 CLK_OF_DECLARE(mmp3_clk, "marvell,mmp3-clock", mmp2_clk_init); 571