diff options
Diffstat (limited to 'sys/arm64/rockchip/rk_dwc3.c')
| -rw-r--r-- | sys/arm64/rockchip/rk_dwc3.c | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/sys/arm64/rockchip/rk_dwc3.c b/sys/arm64/rockchip/rk_dwc3.c deleted file mode 100644 index a443438511ab..000000000000 --- a/sys/arm64/rockchip/rk_dwc3.c +++ /dev/null @@ -1,207 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-2-Clause-FreeBSD - * - * Copyright (c) 2019 Emmanuel Vadot <manu@FreeBSD.Org> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* - * Rockchip DWC3 glue - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/bus.h> -#include <sys/rman.h> -#include <sys/kernel.h> -#include <sys/module.h> -#include <sys/gpio.h> -#include <machine/bus.h> - -#include <dev/fdt/simplebus.h> - -#include <dev/fdt/fdt_common.h> -#include <dev/ofw/ofw_bus.h> -#include <dev/ofw/ofw_bus_subr.h> -#include <dev/ofw/ofw_subr.h> - -#include <dev/extres/clk/clk.h> -#include <dev/extres/hwreset/hwreset.h> -#include <dev/extres/phy/phy_usb.h> -#include <dev/extres/syscon/syscon.h> - -enum rk_dwc3_type { - RK3328 = 1, - RK3399, -}; - -static struct ofw_compat_data compat_data[] = { - { "rockchip,rk3328-dwc3", RK3328 }, - { "rockchip,rk3399-dwc3", RK3399 }, - { NULL, 0 } -}; - -struct rk_dwc3_softc { - struct simplebus_softc sc; - device_t dev; - clk_t clk_ref; - clk_t clk_suspend; - clk_t clk_bus; - clk_t clk_axi_perf; - clk_t clk_usb3; - clk_t clk_grf; - hwreset_t rst_usb3; - enum rk_dwc3_type type; -}; - -static int -rk_dwc3_probe(device_t dev) -{ - phandle_t node; - - if (!ofw_bus_status_okay(dev)) - return (ENXIO); - - if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0) - return (ENXIO); - - /* Binding says that we need a child node for the actual dwc3 controller */ - node = ofw_bus_get_node(dev); - if (OF_child(node) <= 0) - return (ENXIO); - - device_set_desc(dev, "Rockchip RK3399 DWC3"); - return (BUS_PROBE_DEFAULT); -} - -static int -rk_dwc3_attach(device_t dev) -{ - struct rk_dwc3_softc *sc; - device_t cdev; - phandle_t node, child; - int err; - - sc = device_get_softc(dev); - sc->dev = dev; - node = ofw_bus_get_node(dev); - sc->type = ofw_bus_search_compatible(dev, compat_data)->ocd_data; - - /* Mandatory clocks */ - if (clk_get_by_ofw_name(dev, 0, "ref_clk", &sc->clk_ref) != 0) { - device_printf(dev, "Cannot get ref_clk clock\n"); - return (ENXIO); - } - err = clk_enable(sc->clk_ref); - if (err != 0) { - device_printf(dev, "Could not enable clock %s\n", - clk_get_name(sc->clk_ref)); - return (ENXIO); - } - if (clk_get_by_ofw_name(dev, 0, "suspend_clk", &sc->clk_suspend) != 0) { - device_printf(dev, "Cannot get suspend_clk clock\n"); - return (ENXIO); - } - err = clk_enable(sc->clk_suspend); - if (err != 0) { - device_printf(dev, "Could not enable clock %s\n", - clk_get_name(sc->clk_suspend)); - return (ENXIO); - } - if (clk_get_by_ofw_name(dev, 0, "bus_clk", &sc->clk_bus) != 0) { - device_printf(dev, "Cannot get bus_clk clock\n"); - return (ENXIO); - } - err = clk_enable(sc->clk_bus); - if (err != 0) { - device_printf(dev, "Could not enable clock %s\n", - clk_get_name(sc->clk_bus)); - return (ENXIO); - } - if (sc->type == RK3399) { - if (clk_get_by_ofw_name(dev, 0, "grf_clk", &sc->clk_grf) != 0) { - device_printf(dev, "Cannot get grf_clk clock\n"); - return (ENXIO); - } - err = clk_enable(sc->clk_grf); - if (err != 0) { - device_printf(dev, "Could not enable clock %s\n", - clk_get_name(sc->clk_grf)); - return (ENXIO); - } - } - /* Optional clocks */ - if (clk_get_by_ofw_name(dev, 0, "aclk_usb3_rksoc_axi_perf", &sc->clk_axi_perf) == 0) { - err = clk_enable(sc->clk_axi_perf); - if (err != 0) { - device_printf(dev, "Could not enable clock %s\n", - clk_get_name(sc->clk_axi_perf)); - return (ENXIO); - } - } - if (clk_get_by_ofw_name(dev, 0, "aclk_usb3", &sc->clk_usb3) == 0) { - err = clk_enable(sc->clk_usb3); - if (err != 0) { - device_printf(dev, "Could not enable clock %s\n", - clk_get_name(sc->clk_usb3)); - return (ENXIO); - } - } - - /* Put module out of reset */ - if (hwreset_get_by_ofw_name(dev, node, "usb3-otg", &sc->rst_usb3) == 0) { - if (hwreset_deassert(sc->rst_usb3) != 0) { - device_printf(dev, "Cannot deassert reset\n"); - return (ENXIO); - } - } - - simplebus_init(dev, node); - if (simplebus_fill_ranges(node, &sc->sc) < 0) { - device_printf(dev, "could not get ranges\n"); - return (ENXIO); - } - - for (child = OF_child(node); child > 0; child = OF_peer(child)) { - cdev = simplebus_add_device(dev, child, 0, NULL, -1, NULL); - if (cdev != NULL) - device_probe_and_attach(cdev); - } - - return (bus_generic_attach(dev)); -} - -static device_method_t rk_dwc3_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, rk_dwc3_probe), - DEVMETHOD(device_attach, rk_dwc3_attach), - - DEVMETHOD_END -}; - -DEFINE_CLASS_1(rk_dwc3, rk_dwc3_driver, rk_dwc3_methods, - sizeof(struct rk_dwc3_softc), simplebus_driver); -DRIVER_MODULE(rk_dwc3, simplebus, rk_dwc3_driver, 0, 0); |