rk_cru.c revision 1.2.2.2
1 1.2.2.2 pgoyette /* $NetBSD: rk_cru.c,v 1.2.2.2 2018/06/25 07:25:39 pgoyette Exp $ */ 2 1.2.2.2 pgoyette 3 1.2.2.2 pgoyette /*- 4 1.2.2.2 pgoyette * Copyright (c) 2018 Jared McNeill <jmcneill (at) invisible.ca> 5 1.2.2.2 pgoyette * All rights reserved. 6 1.2.2.2 pgoyette * 7 1.2.2.2 pgoyette * Redistribution and use in source and binary forms, with or without 8 1.2.2.2 pgoyette * modification, are permitted provided that the following conditions 9 1.2.2.2 pgoyette * are met: 10 1.2.2.2 pgoyette * 1. Redistributions of source code must retain the above copyright 11 1.2.2.2 pgoyette * notice, this list of conditions and the following disclaimer. 12 1.2.2.2 pgoyette * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.2.2 pgoyette * notice, this list of conditions and the following disclaimer in the 14 1.2.2.2 pgoyette * documentation and/or other materials provided with the distribution. 15 1.2.2.2 pgoyette * 16 1.2.2.2 pgoyette * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 1.2.2.2 pgoyette * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 1.2.2.2 pgoyette * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 1.2.2.2 pgoyette * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 1.2.2.2 pgoyette * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 1.2.2.2 pgoyette * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 1.2.2.2 pgoyette * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 1.2.2.2 pgoyette * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 1.2.2.2 pgoyette * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.2.2.2 pgoyette * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.2.2.2 pgoyette * SUCH DAMAGE. 27 1.2.2.2 pgoyette */ 28 1.2.2.2 pgoyette 29 1.2.2.2 pgoyette #include "opt_soc.h" 30 1.2.2.2 pgoyette #include "opt_fdt_arm.h" 31 1.2.2.2 pgoyette 32 1.2.2.2 pgoyette #include <sys/cdefs.h> 33 1.2.2.2 pgoyette __KERNEL_RCSID(0, "$NetBSD: rk_cru.c,v 1.2.2.2 2018/06/25 07:25:39 pgoyette Exp $"); 34 1.2.2.2 pgoyette 35 1.2.2.2 pgoyette #include <sys/param.h> 36 1.2.2.2 pgoyette #include <sys/bus.h> 37 1.2.2.2 pgoyette #include <sys/cpu.h> 38 1.2.2.2 pgoyette #include <sys/device.h> 39 1.2.2.2 pgoyette 40 1.2.2.2 pgoyette #include <dev/fdt/fdtvar.h> 41 1.2.2.2 pgoyette 42 1.2.2.2 pgoyette #include <dev/clk/clk_backend.h> 43 1.2.2.2 pgoyette 44 1.2.2.2 pgoyette #include <arm/rockchip/rk_cru.h> 45 1.2.2.2 pgoyette 46 1.2.2.2 pgoyette #define CRU_SOFTRST_CON0 0x0300 47 1.2.2.2 pgoyette 48 1.2.2.2 pgoyette static void * 49 1.2.2.2 pgoyette rk_cru_reset_acquire(device_t dev, const void *data, size_t len) 50 1.2.2.2 pgoyette { 51 1.2.2.2 pgoyette if (len != 4) 52 1.2.2.2 pgoyette return NULL; 53 1.2.2.2 pgoyette 54 1.2.2.2 pgoyette return (void *)(uintptr_t)be32dec(data); 55 1.2.2.2 pgoyette } 56 1.2.2.2 pgoyette 57 1.2.2.2 pgoyette static void 58 1.2.2.2 pgoyette rk_cru_reset_release(device_t dev, void *priv) 59 1.2.2.2 pgoyette { 60 1.2.2.2 pgoyette } 61 1.2.2.2 pgoyette 62 1.2.2.2 pgoyette static int 63 1.2.2.2 pgoyette rk_cru_reset_assert(device_t dev, void *priv) 64 1.2.2.2 pgoyette { 65 1.2.2.2 pgoyette struct rk_cru_softc * const sc = device_private(dev); 66 1.2.2.2 pgoyette const uintptr_t reset_id = (uintptr_t)priv; 67 1.2.2.2 pgoyette const bus_size_t reg = CRU_SOFTRST_CON0 + (reset_id / 16) * 4; 68 1.2.2.2 pgoyette const u_int shift = reset_id % 16; 69 1.2.2.2 pgoyette 70 1.2.2.2 pgoyette CRU_WRITE(sc, reg, (1 << (shift + 16)) | (1 << shift)); 71 1.2.2.2 pgoyette 72 1.2.2.2 pgoyette return 0; 73 1.2.2.2 pgoyette } 74 1.2.2.2 pgoyette 75 1.2.2.2 pgoyette static int 76 1.2.2.2 pgoyette rk_cru_reset_deassert(device_t dev, void *priv) 77 1.2.2.2 pgoyette { 78 1.2.2.2 pgoyette struct rk_cru_softc * const sc = device_private(dev); 79 1.2.2.2 pgoyette const uintptr_t reset_id = (uintptr_t)priv; 80 1.2.2.2 pgoyette const bus_size_t reg = CRU_SOFTRST_CON0 + (reset_id / 16) * 4; 81 1.2.2.2 pgoyette const u_int shift = reset_id % 16; 82 1.2.2.2 pgoyette 83 1.2.2.2 pgoyette CRU_WRITE(sc, reg, (1 << (shift + 16)) | (0 << shift)); 84 1.2.2.2 pgoyette 85 1.2.2.2 pgoyette return 0; 86 1.2.2.2 pgoyette } 87 1.2.2.2 pgoyette 88 1.2.2.2 pgoyette static const struct fdtbus_reset_controller_func rk_cru_fdtreset_funcs = { 89 1.2.2.2 pgoyette .acquire = rk_cru_reset_acquire, 90 1.2.2.2 pgoyette .release = rk_cru_reset_release, 91 1.2.2.2 pgoyette .reset_assert = rk_cru_reset_assert, 92 1.2.2.2 pgoyette .reset_deassert = rk_cru_reset_deassert, 93 1.2.2.2 pgoyette }; 94 1.2.2.2 pgoyette 95 1.2.2.2 pgoyette static struct clk * 96 1.2.2.2 pgoyette rk_cru_clock_decode(device_t dev, const void *data, size_t len) 97 1.2.2.2 pgoyette { 98 1.2.2.2 pgoyette struct rk_cru_softc * const sc = device_private(dev); 99 1.2.2.2 pgoyette struct rk_cru_clk *clk; 100 1.2.2.2 pgoyette 101 1.2.2.2 pgoyette if (len != 4) 102 1.2.2.2 pgoyette return NULL; 103 1.2.2.2 pgoyette 104 1.2.2.2 pgoyette const u_int clock_id = be32dec(data); 105 1.2.2.2 pgoyette 106 1.2.2.2 pgoyette for (int i = 0; i < sc->sc_nclks; i++) { 107 1.2.2.2 pgoyette clk = &sc->sc_clks[i]; 108 1.2.2.2 pgoyette if (clk->id == clock_id) 109 1.2.2.2 pgoyette return &clk->base; 110 1.2.2.2 pgoyette } 111 1.2.2.2 pgoyette 112 1.2.2.2 pgoyette return NULL; 113 1.2.2.2 pgoyette } 114 1.2.2.2 pgoyette 115 1.2.2.2 pgoyette static const struct fdtbus_clock_controller_func rk_cru_fdtclock_funcs = { 116 1.2.2.2 pgoyette .decode = rk_cru_clock_decode, 117 1.2.2.2 pgoyette }; 118 1.2.2.2 pgoyette 119 1.2.2.2 pgoyette static struct clk * 120 1.2.2.2 pgoyette rk_cru_clock_get(void *priv, const char *name) 121 1.2.2.2 pgoyette { 122 1.2.2.2 pgoyette struct rk_cru_softc * const sc = priv; 123 1.2.2.2 pgoyette struct rk_cru_clk *clk; 124 1.2.2.2 pgoyette 125 1.2.2.2 pgoyette clk = rk_cru_clock_find(sc, name); 126 1.2.2.2 pgoyette if (clk == NULL) 127 1.2.2.2 pgoyette return NULL; 128 1.2.2.2 pgoyette 129 1.2.2.2 pgoyette return &clk->base; 130 1.2.2.2 pgoyette } 131 1.2.2.2 pgoyette 132 1.2.2.2 pgoyette static void 133 1.2.2.2 pgoyette rk_cru_clock_put(void *priv, struct clk *clk) 134 1.2.2.2 pgoyette { 135 1.2.2.2 pgoyette } 136 1.2.2.2 pgoyette 137 1.2.2.2 pgoyette static u_int 138 1.2.2.2 pgoyette rk_cru_clock_get_rate(void *priv, struct clk *clkp) 139 1.2.2.2 pgoyette { 140 1.2.2.2 pgoyette struct rk_cru_softc * const sc = priv; 141 1.2.2.2 pgoyette struct rk_cru_clk *clk = (struct rk_cru_clk *)clkp; 142 1.2.2.2 pgoyette struct clk *clkp_parent; 143 1.2.2.2 pgoyette 144 1.2.2.2 pgoyette if (clk->get_rate) 145 1.2.2.2 pgoyette return clk->get_rate(sc, clk); 146 1.2.2.2 pgoyette 147 1.2.2.2 pgoyette clkp_parent = clk_get_parent(clkp); 148 1.2.2.2 pgoyette if (clkp_parent == NULL) { 149 1.2.2.2 pgoyette aprint_error("%s: no parent for %s\n", __func__, clk->base.name); 150 1.2.2.2 pgoyette return 0; 151 1.2.2.2 pgoyette } 152 1.2.2.2 pgoyette 153 1.2.2.2 pgoyette return clk_get_rate(clkp_parent); 154 1.2.2.2 pgoyette } 155 1.2.2.2 pgoyette 156 1.2.2.2 pgoyette static int 157 1.2.2.2 pgoyette rk_cru_clock_set_rate(void *priv, struct clk *clkp, u_int rate) 158 1.2.2.2 pgoyette { 159 1.2.2.2 pgoyette struct rk_cru_softc * const sc = priv; 160 1.2.2.2 pgoyette struct rk_cru_clk *clk = (struct rk_cru_clk *)clkp; 161 1.2.2.2 pgoyette struct clk *clkp_parent; 162 1.2.2.2 pgoyette 163 1.2.2.2 pgoyette if (clkp->flags & CLK_SET_RATE_PARENT) { 164 1.2.2.2 pgoyette clkp_parent = clk_get_parent(clkp); 165 1.2.2.2 pgoyette if (clkp_parent == NULL) { 166 1.2.2.2 pgoyette aprint_error("%s: no parent for %s\n", __func__, clk->base.name); 167 1.2.2.2 pgoyette return ENXIO; 168 1.2.2.2 pgoyette } 169 1.2.2.2 pgoyette return clk_set_rate(clkp_parent, rate); 170 1.2.2.2 pgoyette } 171 1.2.2.2 pgoyette 172 1.2.2.2 pgoyette if (clk->set_rate) 173 1.2.2.2 pgoyette return clk->set_rate(sc, clk, rate); 174 1.2.2.2 pgoyette 175 1.2.2.2 pgoyette return ENXIO; 176 1.2.2.2 pgoyette } 177 1.2.2.2 pgoyette 178 1.2.2.2 pgoyette static u_int 179 1.2.2.2 pgoyette rk_cru_clock_round_rate(void *priv, struct clk *clkp, u_int rate) 180 1.2.2.2 pgoyette { 181 1.2.2.2 pgoyette struct rk_cru_softc * const sc = priv; 182 1.2.2.2 pgoyette struct rk_cru_clk *clk = (struct rk_cru_clk *)clkp; 183 1.2.2.2 pgoyette struct clk *clkp_parent; 184 1.2.2.2 pgoyette 185 1.2.2.2 pgoyette if (clkp->flags & CLK_SET_RATE_PARENT) { 186 1.2.2.2 pgoyette clkp_parent = clk_get_parent(clkp); 187 1.2.2.2 pgoyette if (clkp_parent == NULL) { 188 1.2.2.2 pgoyette aprint_error("%s: no parent for %s\n", __func__, clk->base.name); 189 1.2.2.2 pgoyette return 0; 190 1.2.2.2 pgoyette } 191 1.2.2.2 pgoyette return clk_round_rate(clkp_parent, rate); 192 1.2.2.2 pgoyette } 193 1.2.2.2 pgoyette 194 1.2.2.2 pgoyette if (clk->round_rate) 195 1.2.2.2 pgoyette return clk->round_rate(sc, clk, rate); 196 1.2.2.2 pgoyette 197 1.2.2.2 pgoyette return 0; 198 1.2.2.2 pgoyette } 199 1.2.2.2 pgoyette 200 1.2.2.2 pgoyette static int 201 1.2.2.2 pgoyette rk_cru_clock_enable(void *priv, struct clk *clkp) 202 1.2.2.2 pgoyette { 203 1.2.2.2 pgoyette struct rk_cru_softc * const sc = priv; 204 1.2.2.2 pgoyette struct rk_cru_clk *clk = (struct rk_cru_clk *)clkp; 205 1.2.2.2 pgoyette struct clk *clkp_parent; 206 1.2.2.2 pgoyette int error = 0; 207 1.2.2.2 pgoyette 208 1.2.2.2 pgoyette clkp_parent = clk_get_parent(clkp); 209 1.2.2.2 pgoyette if (clkp_parent != NULL) { 210 1.2.2.2 pgoyette error = clk_enable(clkp_parent); 211 1.2.2.2 pgoyette if (error != 0) 212 1.2.2.2 pgoyette return error; 213 1.2.2.2 pgoyette } 214 1.2.2.2 pgoyette 215 1.2.2.2 pgoyette if (clk->enable) 216 1.2.2.2 pgoyette error = clk->enable(sc, clk, 1); 217 1.2.2.2 pgoyette 218 1.2.2.2 pgoyette return error; 219 1.2.2.2 pgoyette } 220 1.2.2.2 pgoyette 221 1.2.2.2 pgoyette static int 222 1.2.2.2 pgoyette rk_cru_clock_disable(void *priv, struct clk *clkp) 223 1.2.2.2 pgoyette { 224 1.2.2.2 pgoyette struct rk_cru_softc * const sc = priv; 225 1.2.2.2 pgoyette struct rk_cru_clk *clk = (struct rk_cru_clk *)clkp; 226 1.2.2.2 pgoyette int error = EINVAL; 227 1.2.2.2 pgoyette 228 1.2.2.2 pgoyette if (clk->enable) 229 1.2.2.2 pgoyette error = clk->enable(sc, clk, 0); 230 1.2.2.2 pgoyette 231 1.2.2.2 pgoyette return error; 232 1.2.2.2 pgoyette } 233 1.2.2.2 pgoyette 234 1.2.2.2 pgoyette static int 235 1.2.2.2 pgoyette rk_cru_clock_set_parent(void *priv, struct clk *clkp, 236 1.2.2.2 pgoyette struct clk *clkp_parent) 237 1.2.2.2 pgoyette { 238 1.2.2.2 pgoyette struct rk_cru_softc * const sc = priv; 239 1.2.2.2 pgoyette struct rk_cru_clk *clk = (struct rk_cru_clk *)clkp; 240 1.2.2.2 pgoyette 241 1.2.2.2 pgoyette if (clk->set_parent == NULL) 242 1.2.2.2 pgoyette return EINVAL; 243 1.2.2.2 pgoyette 244 1.2.2.2 pgoyette return clk->set_parent(sc, clk, clkp_parent->name); 245 1.2.2.2 pgoyette } 246 1.2.2.2 pgoyette 247 1.2.2.2 pgoyette static struct clk * 248 1.2.2.2 pgoyette rk_cru_clock_get_parent(void *priv, struct clk *clkp) 249 1.2.2.2 pgoyette { 250 1.2.2.2 pgoyette struct rk_cru_softc * const sc = priv; 251 1.2.2.2 pgoyette struct rk_cru_clk *clk = (struct rk_cru_clk *)clkp; 252 1.2.2.2 pgoyette struct rk_cru_clk *clk_parent; 253 1.2.2.2 pgoyette const char *parent; 254 1.2.2.2 pgoyette 255 1.2.2.2 pgoyette if (clk->get_parent == NULL) 256 1.2.2.2 pgoyette return NULL; 257 1.2.2.2 pgoyette 258 1.2.2.2 pgoyette parent = clk->get_parent(sc, clk); 259 1.2.2.2 pgoyette if (parent == NULL) 260 1.2.2.2 pgoyette return NULL; 261 1.2.2.2 pgoyette 262 1.2.2.2 pgoyette clk_parent = rk_cru_clock_find(sc, parent); 263 1.2.2.2 pgoyette if (clk_parent != NULL) 264 1.2.2.2 pgoyette return &clk_parent->base; 265 1.2.2.2 pgoyette 266 1.2.2.2 pgoyette /* No parent in this domain, try FDT */ 267 1.2.2.2 pgoyette return fdtbus_clock_byname(parent); 268 1.2.2.2 pgoyette } 269 1.2.2.2 pgoyette 270 1.2.2.2 pgoyette static const struct clk_funcs rk_cru_clock_funcs = { 271 1.2.2.2 pgoyette .get = rk_cru_clock_get, 272 1.2.2.2 pgoyette .put = rk_cru_clock_put, 273 1.2.2.2 pgoyette .get_rate = rk_cru_clock_get_rate, 274 1.2.2.2 pgoyette .set_rate = rk_cru_clock_set_rate, 275 1.2.2.2 pgoyette .round_rate = rk_cru_clock_round_rate, 276 1.2.2.2 pgoyette .enable = rk_cru_clock_enable, 277 1.2.2.2 pgoyette .disable = rk_cru_clock_disable, 278 1.2.2.2 pgoyette .set_parent = rk_cru_clock_set_parent, 279 1.2.2.2 pgoyette .get_parent = rk_cru_clock_get_parent, 280 1.2.2.2 pgoyette }; 281 1.2.2.2 pgoyette 282 1.2.2.2 pgoyette struct rk_cru_clk * 283 1.2.2.2 pgoyette rk_cru_clock_find(struct rk_cru_softc *sc, const char *name) 284 1.2.2.2 pgoyette { 285 1.2.2.2 pgoyette for (int i = 0; i < sc->sc_nclks; i++) { 286 1.2.2.2 pgoyette if (sc->sc_clks[i].base.name == NULL) 287 1.2.2.2 pgoyette continue; 288 1.2.2.2 pgoyette if (strcmp(sc->sc_clks[i].base.name, name) == 0) 289 1.2.2.2 pgoyette return &sc->sc_clks[i]; 290 1.2.2.2 pgoyette } 291 1.2.2.2 pgoyette 292 1.2.2.2 pgoyette return NULL; 293 1.2.2.2 pgoyette } 294 1.2.2.2 pgoyette 295 1.2.2.2 pgoyette int 296 1.2.2.2 pgoyette rk_cru_attach(struct rk_cru_softc *sc) 297 1.2.2.2 pgoyette { 298 1.2.2.2 pgoyette bus_addr_t addr; 299 1.2.2.2 pgoyette bus_size_t size; 300 1.2.2.2 pgoyette int i; 301 1.2.2.2 pgoyette 302 1.2.2.2 pgoyette if (of_hasprop(sc->sc_phandle, "rockchip,grf")) { 303 1.2.2.2 pgoyette const int grf_phandle = fdtbus_get_phandle(sc->sc_phandle, "rockchip,grf"); 304 1.2.2.2 pgoyette if (grf_phandle == -1) { 305 1.2.2.2 pgoyette aprint_error(": couldn't get grf phandle\n"); 306 1.2.2.2 pgoyette return ENXIO; 307 1.2.2.2 pgoyette } 308 1.2.2.2 pgoyette 309 1.2.2.2 pgoyette if (fdtbus_get_reg(grf_phandle, 0, &addr, &size) != 0) { 310 1.2.2.2 pgoyette aprint_error(": couldn't get grf registers\n"); 311 1.2.2.2 pgoyette return ENXIO; 312 1.2.2.2 pgoyette } 313 1.2.2.2 pgoyette 314 1.2.2.2 pgoyette if (bus_space_map(sc->sc_bst, addr, size, 0, &sc->sc_bsh_grf) != 0) { 315 1.2.2.2 pgoyette aprint_error(": couldn't map registers\n"); 316 1.2.2.2 pgoyette return ENXIO; 317 1.2.2.2 pgoyette } 318 1.2.2.2 pgoyette } 319 1.2.2.2 pgoyette 320 1.2.2.2 pgoyette if (fdtbus_get_reg(sc->sc_phandle, 0, &addr, &size) != 0) { 321 1.2.2.2 pgoyette aprint_error(": couldn't get registers\n"); 322 1.2.2.2 pgoyette return ENXIO; 323 1.2.2.2 pgoyette } 324 1.2.2.2 pgoyette if (bus_space_map(sc->sc_bst, addr, size, 0, &sc->sc_bsh) != 0) { 325 1.2.2.2 pgoyette aprint_error(": couldn't map registers\n"); 326 1.2.2.2 pgoyette return ENXIO; 327 1.2.2.2 pgoyette } 328 1.2.2.2 pgoyette 329 1.2.2.2 pgoyette sc->sc_clkdom.name = device_xname(sc->sc_dev); 330 1.2.2.2 pgoyette sc->sc_clkdom.funcs = &rk_cru_clock_funcs; 331 1.2.2.2 pgoyette sc->sc_clkdom.priv = sc; 332 1.2.2.2 pgoyette for (i = 0; i < sc->sc_nclks; i++) { 333 1.2.2.2 pgoyette sc->sc_clks[i].base.domain = &sc->sc_clkdom; 334 1.2.2.2 pgoyette clk_attach(&sc->sc_clks[i].base); 335 1.2.2.2 pgoyette } 336 1.2.2.2 pgoyette 337 1.2.2.2 pgoyette fdtbus_register_clock_controller(sc->sc_dev, sc->sc_phandle, 338 1.2.2.2 pgoyette &rk_cru_fdtclock_funcs); 339 1.2.2.2 pgoyette 340 1.2.2.2 pgoyette fdtbus_register_reset_controller(sc->sc_dev, sc->sc_phandle, 341 1.2.2.2 pgoyette &rk_cru_fdtreset_funcs); 342 1.2.2.2 pgoyette 343 1.2.2.2 pgoyette return 0; 344 1.2.2.2 pgoyette } 345 1.2.2.2 pgoyette 346 1.2.2.2 pgoyette void 347 1.2.2.2 pgoyette rk_cru_print(struct rk_cru_softc *sc) 348 1.2.2.2 pgoyette { 349 1.2.2.2 pgoyette struct rk_cru_clk *clk; 350 1.2.2.2 pgoyette struct clk *clkp_parent; 351 1.2.2.2 pgoyette const char *type; 352 1.2.2.2 pgoyette int i; 353 1.2.2.2 pgoyette 354 1.2.2.2 pgoyette for (i = 0; i < sc->sc_nclks; i++) { 355 1.2.2.2 pgoyette clk = &sc->sc_clks[i]; 356 1.2.2.2 pgoyette if (clk->type == RK_CRU_UNKNOWN) 357 1.2.2.2 pgoyette continue; 358 1.2.2.2 pgoyette 359 1.2.2.2 pgoyette clkp_parent = clk_get_parent(&clk->base); 360 1.2.2.2 pgoyette 361 1.2.2.2 pgoyette switch (clk->type) { 362 1.2.2.2 pgoyette case RK_CRU_PLL: type = "pll"; break; 363 1.2.2.2 pgoyette case RK_CRU_ARM: type = "arm"; break; 364 1.2.2.2 pgoyette case RK_CRU_COMPOSITE: type = "comp"; break; 365 1.2.2.2 pgoyette case RK_CRU_GATE: type = "gate"; break; 366 1.2.2.2 pgoyette case RK_CRU_MUX: type = "mux"; break; 367 1.2.2.2 pgoyette default: type = "???"; break; 368 1.2.2.2 pgoyette } 369 1.2.2.2 pgoyette 370 1.2.2.2 pgoyette device_printf(sc->sc_dev, 371 1.2.2.2 pgoyette "%3d %-14s %2s %-14s %-7s ", 372 1.2.2.2 pgoyette clk->id, 373 1.2.2.2 pgoyette clk->base.name, 374 1.2.2.2 pgoyette clkp_parent ? "<-" : "", 375 1.2.2.2 pgoyette clkp_parent ? clkp_parent->name : "", 376 1.2.2.2 pgoyette type); 377 1.2.2.2 pgoyette printf("%10d Hz\n", clk_get_rate(&clk->base)); 378 1.2.2.2 pgoyette } 379 1.2.2.2 pgoyette } 380
Indexes created Mon Oct 20 20:10:13 GMT 2025