1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
51 #include <dt-bindings/clock/tegra210-car.h>
58 	{"nvidia,tegra210-car",	1},
260 /* Initial setup table. */
293 	{"emc", NULL, 0, 1},
321 		rv = clknode_div_register(sc->clkdom, clks + i);  in init_divs()
334 		rv = clknode_gate_register(sc->clkdom, clks + i);  in init_gates()
347 		rv = clknode_mux_register(sc->clkdom, clks + i);  in init_muxes()
361 	CLKDEV_READ_4(sc->dev, OSC_CTRL, &val);  in init_fixeds()
366 	rv = clknode_fixed_register(sc->clkdom, &fixed_osc);  in init_fixeds()
371 	rv = clknode_fixed_register(sc->clkdom, &fixed_osc_div);  in init_fixeds()
375 	CLKDEV_READ_4(sc->dev, SPARE_REG0, &val);  in init_fixeds()
377 	rv = clknode_fixed_register(sc->clkdom, &fixed_clk_m);  in init_fixeds()
382 		rv = clknode_fixed_register(sc->clkdom, clks + i);  in init_fixeds()
399 		clknode =  clknode_find_by_name(tbl->name);  in postinit_clock()
401 			device_printf(sc->dev, "Cannot find clock %s\n",  in postinit_clock()
402 			    tbl->name);  in postinit_clock()
405 		if (tbl->parent != NULL) {  in postinit_clock()
406 			rv = clknode_set_parent_by_name(clknode, tbl->parent);  in postinit_clock()
408 				device_printf(sc->dev,  in postinit_clock()
410 				    tbl->name, tbl->parent, rv);  in postinit_clock()
414 		if (tbl->frequency != 0) {  in postinit_clock()
415 			rv = clknode_set_freq(clknode, tbl->frequency, 0 , 9999);  in postinit_clock()
417 				device_printf(sc->dev,  in postinit_clock()
419 				    tbl->name, rv);  in postinit_clock()
423 		if (tbl->enable!= 0) {  in postinit_clock()
426 				device_printf(sc->dev,  in postinit_clock()
427 				    "Cannot enable %s: %d\n", tbl->name, rv);  in postinit_clock()
440 	sc->clkdom = clkdom_create(dev);  in register_clocks()
441 	if (sc->clkdom == NULL)  in register_clocks()
451 	clkdom_finit(sc->clkdom);  in register_clocks()
452 	clkdom_xlock(sc->clkdom);  in register_clocks()
454 	clkdom_unlock(sc->clkdom);  in register_clocks()
456 		clkdom_dump(sc->clkdom);  in register_clocks()
465 	*val = bus_read_4(sc->mem_res, addr);  in tegra210_car_clkdev_read_4()
475 	bus_write_4(sc->mem_res, addr, val);  in tegra210_car_clkdev_write_4()
487 	reg = bus_read_4(sc->mem_res, addr);  in tegra210_car_clkdev_modify_4()
490 	bus_write_4(sc->mem_res, addr, reg);  in tegra210_car_clkdev_modify_4()
500 	mtx_lock(&sc->mtx);  in tegra210_car_clkdev_device_lock()
509 	mtx_unlock(&sc->mtx);  in tegra210_car_clkdev_device_unlock()
527 	if (ofw_bus_search_compatible(dev, compat_data)->ocd_data != 0) {  in tegra210_car_probe()
541 	sc->dev = dev;  in tegra210_car_attach()
543 	mtx_init(&sc->mtx, device_get_nameunit(dev), NULL, MTX_DEF);  in tegra210_car_attach()
544 	sc->type = ofw_bus_search_compatible(dev, compat_data)->ocd_data;  in tegra210_car_attach()
548 	sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,  in tegra210_car_attach()
550 	if (!sc->mem_res) {  in tegra210_car_attach()
561 	if (sc->mem_res)  in tegra210_car_attach()
562 		bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->mem_res);  in tegra210_car_attach()