ipq4018_usb_phy: add USB 2.0 and 3.0 PHY support
This adds the USB 2.0 and 3.0 PHY support for the IPQ4018/IPQ4019. All it really needs to do is gate the relevant clocks on/off in the right order with the right delays.
This commit is contained in:
Adrian Chadd
parent
f4bf48c25c
commit
86f0c3ec13
@ -61,3 +61,7 @@ options FDT
|
||||
|
||||
# Disable CP14 work in DDB as TZ won't let us by default
|
||||
options ARM_FORCE_DBG_MONITOR_DISABLE
|
||||
|
||||
# USB PHY support
|
||||
device qcom_ipq4018_hs_usbphy
|
||||
device qcom_ipq4018_ss_usbphy
|
||||
|
||||
236
sys/arm/qualcomm/ipq4018_usb_hs_phy.c
Normal file
236
sys/arm/qualcomm/ipq4018_usb_hs_phy.c
Normal file
@ -0,0 +1,236 @@
|
||||
/*-
|
||||
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
||||
*
|
||||
* Copyright (c) 2019 Michal Meloun <mmel@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.
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__FBSDID("$FreeBSD$");
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/bus.h>
|
||||
#include <sys/gpio.h>
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/module.h>
|
||||
#include <sys/malloc.h>
|
||||
#include <sys/rman.h>
|
||||
|
||||
#include <machine/bus.h>
|
||||
|
||||
#include <dev/extres/hwreset/hwreset.h>
|
||||
#include <dev/extres/phy/phy_usb.h>
|
||||
#include <dev/extres/regulator/regulator.h>
|
||||
#include <dev/ofw/ofw_bus.h>
|
||||
#include <dev/ofw/ofw_bus_subr.h>
|
||||
|
||||
#include <dev/fdt/simple_mfd.h>
|
||||
#include "phynode_if.h"
|
||||
#include "phynode_usb_if.h"
|
||||
|
||||
static struct ofw_compat_data compat_data[] = {
|
||||
{"qcom,usb-hs-ipq4019-phy", 1},
|
||||
{NULL, 0},
|
||||
};
|
||||
|
||||
struct ipq4018_usb_hs_phy_softc {
|
||||
device_t dev;
|
||||
};
|
||||
|
||||
struct ipq4018_usb_hs_phynode_sc {
|
||||
struct phynode_usb_sc usb_sc;
|
||||
int mode;
|
||||
hwreset_t por_rst;
|
||||
hwreset_t srif_rst;
|
||||
};
|
||||
|
||||
static int
|
||||
ipq4018_usb_hs_phynode_phy_enable(struct phynode *phynode, bool enable)
|
||||
{
|
||||
struct ipq4018_usb_hs_phynode_sc *sc;
|
||||
device_t dev;
|
||||
int rv;
|
||||
|
||||
dev = phynode_get_device(phynode);
|
||||
sc = phynode_get_softc(phynode);
|
||||
|
||||
/*
|
||||
*
|
||||
* For power-off - assert por, sleep for 10ms, assert srif,
|
||||
* sleep for 10ms
|
||||
*/
|
||||
rv = hwreset_assert(sc->por_rst);
|
||||
if (rv != 0)
|
||||
goto done;
|
||||
DELAY(10*1000);
|
||||
rv = hwreset_assert(sc->srif_rst);
|
||||
if (rv != 0)
|
||||
goto done;
|
||||
DELAY(10*1000);
|
||||
|
||||
/*
|
||||
* For power-on - power off first, then deassert srif, then
|
||||
* sleep for 10ms, then deassert por.
|
||||
*/
|
||||
if (enable) {
|
||||
rv = hwreset_deassert(sc->srif_rst);
|
||||
if (rv != 0)
|
||||
goto done;
|
||||
DELAY(10*1000);
|
||||
rv = hwreset_deassert(sc->por_rst);
|
||||
if (rv != 0)
|
||||
goto done;
|
||||
DELAY(10*1000);
|
||||
}
|
||||
|
||||
done:
|
||||
if (rv != 0) {
|
||||
device_printf(dev, "%s: failed, rv=%d\n", __func__, rv);
|
||||
}
|
||||
return (rv);
|
||||
}
|
||||
|
||||
/* Phy controller class and methods. */
|
||||
static phynode_method_t ipq4018_usb_hs_phynode_methods[] = {
|
||||
PHYNODEUSBMETHOD(phynode_enable, ipq4018_usb_hs_phynode_phy_enable),
|
||||
PHYNODEUSBMETHOD_END
|
||||
};
|
||||
DEFINE_CLASS_1(ipq4018_usb_hs_phynode, ipq4018_usb_hs_phynode_class,
|
||||
ipq4018_usb_hs_phynode_methods,
|
||||
sizeof(struct ipq4018_usb_hs_phynode_sc), phynode_usb_class);
|
||||
|
||||
static int
|
||||
ipq4018_usb_hs_usbphy_init_phy(struct ipq4018_usb_hs_phy_softc *sc,
|
||||
phandle_t node)
|
||||
{
|
||||
struct phynode *phynode;
|
||||
struct phynode_init_def phy_init;
|
||||
struct ipq4018_usb_hs_phynode_sc *phy_sc;
|
||||
int rv;
|
||||
hwreset_t por_rst = NULL, srif_rst = NULL;
|
||||
|
||||
/* FDT resources */
|
||||
rv = hwreset_get_by_ofw_name(sc->dev, node, "por_rst", &por_rst);
|
||||
if (rv != 0 && rv != ENOENT) {
|
||||
device_printf(sc->dev, "Cannot get 'por_rst' reset\n");
|
||||
goto fail;
|
||||
}
|
||||
rv = hwreset_get_by_ofw_name(sc->dev, node, "srif_rst", &srif_rst);
|
||||
if (rv != 0 && rv != ENOENT) {
|
||||
device_printf(sc->dev, "Cannot get 'srif_rst' reset\n");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
/* Create and register phy. */
|
||||
bzero(&phy_init, sizeof(phy_init));
|
||||
phy_init.id = 1;
|
||||
phy_init.ofw_node = node;
|
||||
phynode = phynode_create(sc->dev, &ipq4018_usb_hs_phynode_class,
|
||||
&phy_init);
|
||||
if (phynode == NULL) {
|
||||
device_printf(sc->dev, "Cannot create phy.\n");
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
phy_sc = phynode_get_softc(phynode);
|
||||
phy_sc->por_rst = por_rst;
|
||||
phy_sc->srif_rst = srif_rst;
|
||||
|
||||
if (phynode_register(phynode) == NULL) {
|
||||
device_printf(sc->dev, "Cannot register phy.\n");
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
(void) ipq4018_usb_hs_phynode_phy_enable(phynode, true);
|
||||
|
||||
return (0);
|
||||
|
||||
fail:
|
||||
if (por_rst != NULL)
|
||||
hwreset_release(por_rst);
|
||||
if (srif_rst != NULL)
|
||||
hwreset_release(srif_rst);
|
||||
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
static int
|
||||
ipq4018_usb_hs_usbphy_probe(device_t dev)
|
||||
{
|
||||
|
||||
if (!ofw_bus_status_okay(dev))
|
||||
return (ENXIO);
|
||||
|
||||
if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
|
||||
return (ENXIO);
|
||||
|
||||
device_set_desc(dev, "IPQ4018/IPQ4019 USB HS PHY");
|
||||
return (BUS_PROBE_DEFAULT);
|
||||
}
|
||||
|
||||
static int
|
||||
ipq4018_usb_hs_usbphy_attach(device_t dev)
|
||||
{
|
||||
struct ipq4018_usb_hs_phy_softc *sc;
|
||||
phandle_t node;
|
||||
int rv;
|
||||
|
||||
sc = device_get_softc(dev);
|
||||
sc->dev = dev;
|
||||
node = ofw_bus_get_node(sc->dev);
|
||||
|
||||
rv = ipq4018_usb_hs_usbphy_init_phy(sc, node);
|
||||
if (rv != 0)
|
||||
goto fail;
|
||||
return (bus_generic_attach(dev));
|
||||
|
||||
fail:
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
static int
|
||||
ipq4018_usb_hs_usbphy_detach(device_t dev)
|
||||
{
|
||||
struct ipq4018_usb_hs_phy_softc *sc;
|
||||
sc = device_get_softc(dev);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static device_method_t ipq4018_usb_hs_usbphy_methods[] = {
|
||||
/* Device interface */
|
||||
DEVMETHOD(device_probe, ipq4018_usb_hs_usbphy_probe),
|
||||
DEVMETHOD(device_attach, ipq4018_usb_hs_usbphy_attach),
|
||||
DEVMETHOD(device_detach, ipq4018_usb_hs_usbphy_detach),
|
||||
DEVMETHOD_END
|
||||
};
|
||||
|
||||
static devclass_t ipq4018_usb_hs_usbphy_devclass;
|
||||
static DEFINE_CLASS_0(ipq4018_usb_hs_usbphy, ipq4018_usb_hs_usbphy_driver,
|
||||
ipq4018_usb_hs_usbphy_methods,
|
||||
sizeof(struct ipq4018_usb_hs_phy_softc));
|
||||
EARLY_DRIVER_MODULE(ipq4018_usb_hs_usbphy, simplebus,
|
||||
ipq4018_usb_hs_usbphy_driver,
|
||||
ipq4018_usb_hs_usbphy_devclass, NULL, NULL,
|
||||
BUS_PASS_TIMER + BUS_PASS_ORDER_LAST);
|
||||
218
sys/arm/qualcomm/ipq4018_usb_ss_phy.c
Normal file
218
sys/arm/qualcomm/ipq4018_usb_ss_phy.c
Normal file
@ -0,0 +1,218 @@
|
||||
/*-
|
||||
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
||||
*
|
||||
* Copyright (c) 2019 Michal Meloun <mmel@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.
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__FBSDID("$FreeBSD$");
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/bus.h>
|
||||
#include <sys/gpio.h>
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/module.h>
|
||||
#include <sys/malloc.h>
|
||||
#include <sys/rman.h>
|
||||
|
||||
#include <machine/bus.h>
|
||||
|
||||
#include <dev/extres/hwreset/hwreset.h>
|
||||
#include <dev/extres/phy/phy_usb.h>
|
||||
#include <dev/extres/regulator/regulator.h>
|
||||
#include <dev/ofw/ofw_bus.h>
|
||||
#include <dev/ofw/ofw_bus_subr.h>
|
||||
|
||||
#include <dev/fdt/simple_mfd.h>
|
||||
#include "phynode_if.h"
|
||||
#include "phynode_usb_if.h"
|
||||
|
||||
static struct ofw_compat_data compat_data[] = {
|
||||
{"qcom,usb-ss-ipq4019-phy", 1},
|
||||
{NULL, 0},
|
||||
};
|
||||
|
||||
struct ipq4018_usb_ss_phy_softc {
|
||||
device_t dev;
|
||||
};
|
||||
|
||||
struct ipq4018_usb_ss_phynode_sc {
|
||||
struct phynode_usb_sc usb_sc;
|
||||
int mode;
|
||||
hwreset_t por_rst;
|
||||
};
|
||||
|
||||
static int
|
||||
ipq4018_usb_ss_phynode_phy_enable(struct phynode *phynode, bool enable)
|
||||
{
|
||||
struct ipq4018_usb_ss_phynode_sc *sc;
|
||||
device_t dev;
|
||||
int rv;
|
||||
|
||||
dev = phynode_get_device(phynode);
|
||||
sc = phynode_get_softc(phynode);
|
||||
|
||||
device_printf(dev, "%s: called, enable=%d\n", __func__, enable);
|
||||
|
||||
/*
|
||||
* For power-off - assert por, sleep for 10ms
|
||||
*/
|
||||
rv = hwreset_assert(sc->por_rst);
|
||||
if (rv != 0)
|
||||
goto done;
|
||||
DELAY(10*1000);
|
||||
|
||||
/*
|
||||
* For power-on - power off first, then deassert por.
|
||||
*/
|
||||
if (enable) {
|
||||
rv = hwreset_deassert(sc->por_rst);
|
||||
if (rv != 0)
|
||||
goto done;
|
||||
DELAY(10*1000);
|
||||
}
|
||||
|
||||
done:
|
||||
if (rv != 0) {
|
||||
device_printf(dev, "%s: failed, rv=%d\n", __func__, rv);
|
||||
}
|
||||
return (rv);
|
||||
}
|
||||
|
||||
/* Phy controller class and methods. */
|
||||
static phynode_method_t ipq4018_usb_ss_phynode_methods[] = {
|
||||
PHYNODEUSBMETHOD(phynode_enable, ipq4018_usb_ss_phynode_phy_enable),
|
||||
PHYNODEUSBMETHOD_END
|
||||
};
|
||||
DEFINE_CLASS_1(ipq4018_usb_ss_phynode, ipq4018_usb_ss_phynode_class,
|
||||
ipq4018_usb_ss_phynode_methods,
|
||||
sizeof(struct ipq4018_usb_ss_phynode_sc), phynode_usb_class);
|
||||
|
||||
static int
|
||||
ipq4018_usb_ss_usbphy_init_phy(struct ipq4018_usb_ss_phy_softc *sc,
|
||||
phandle_t node)
|
||||
{
|
||||
struct phynode *phynode;
|
||||
struct phynode_init_def phy_init;
|
||||
struct ipq4018_usb_ss_phynode_sc *phy_sc;
|
||||
int rv;
|
||||
hwreset_t por_rst = NULL;
|
||||
|
||||
/* FDT resources */
|
||||
rv = hwreset_get_by_ofw_name(sc->dev, node, "por_rst", &por_rst);
|
||||
if (rv != 0 && rv != ENOENT) {
|
||||
device_printf(sc->dev, "Cannot get 'por_rst' reset\n");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
/* Create and register phy. */
|
||||
bzero(&phy_init, sizeof(phy_init));
|
||||
phy_init.id = 1;
|
||||
phy_init.ofw_node = node;
|
||||
phynode = phynode_create(sc->dev, &ipq4018_usb_ss_phynode_class,
|
||||
&phy_init);
|
||||
if (phynode == NULL) {
|
||||
device_printf(sc->dev, "Cannot create phy.\n");
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
phy_sc = phynode_get_softc(phynode);
|
||||
phy_sc->por_rst = por_rst;
|
||||
|
||||
if (phynode_register(phynode) == NULL) {
|
||||
device_printf(sc->dev, "Cannot register phy.\n");
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
(void) ipq4018_usb_ss_phynode_phy_enable(phynode, true);
|
||||
|
||||
return (0);
|
||||
|
||||
fail:
|
||||
if (por_rst != NULL)
|
||||
hwreset_release(por_rst);
|
||||
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
static int
|
||||
ipq4018_usb_ss_usbphy_probe(device_t dev)
|
||||
{
|
||||
|
||||
if (!ofw_bus_status_okay(dev))
|
||||
return (ENXIO);
|
||||
|
||||
if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
|
||||
return (ENXIO);
|
||||
|
||||
device_set_desc(dev, "IPQ4018/IPQ4019 USB SS PHY");
|
||||
return (BUS_PROBE_DEFAULT);
|
||||
}
|
||||
|
||||
static int
|
||||
ipq4018_usb_ss_usbphy_attach(device_t dev)
|
||||
{
|
||||
struct ipq4018_usb_ss_phy_softc *sc;
|
||||
phandle_t node;
|
||||
int rv;
|
||||
|
||||
sc = device_get_softc(dev);
|
||||
sc->dev = dev;
|
||||
node = ofw_bus_get_node(sc->dev);
|
||||
|
||||
rv = ipq4018_usb_ss_usbphy_init_phy(sc, node);
|
||||
if (rv != 0)
|
||||
goto fail;
|
||||
return (bus_generic_attach(dev));
|
||||
|
||||
fail:
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
static int
|
||||
ipq4018_usb_ss_usbphy_detach(device_t dev)
|
||||
{
|
||||
struct ipq4018_usb_ss_phy_softc *sc;
|
||||
sc = device_get_softc(dev);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static device_method_t ipq4018_usb_ss_usbphy_methods[] = {
|
||||
/* Device interface */
|
||||
DEVMETHOD(device_probe, ipq4018_usb_ss_usbphy_probe),
|
||||
DEVMETHOD(device_attach, ipq4018_usb_ss_usbphy_attach),
|
||||
DEVMETHOD(device_detach, ipq4018_usb_ss_usbphy_detach),
|
||||
DEVMETHOD_END
|
||||
};
|
||||
|
||||
static devclass_t ipq4018_usb_ss_usbphy_devclass;
|
||||
static DEFINE_CLASS_0(ipq4018_usb_ss_usbphy, ipq4018_usb_ss_usbphy_driver,
|
||||
ipq4018_usb_ss_usbphy_methods,
|
||||
sizeof(struct ipq4018_usb_ss_phy_softc));
|
||||
EARLY_DRIVER_MODULE(ipq4018_usb_ss_usbphy, simplebus,
|
||||
ipq4018_usb_ss_usbphy_driver,
|
||||
ipq4018_usb_ss_usbphy_devclass, NULL, NULL,
|
||||
BUS_PASS_TIMER + BUS_PASS_ORDER_LAST);
|
||||
@ -3,6 +3,9 @@ arm/qualcomm/ipq4018_mp.c optional smp
|
||||
arm/qualcomm/qcom_scm_legacy.c standard
|
||||
arm/qualcomm/qcom_cpu_kpssv2.c optional smp
|
||||
|
||||
arm/qualcomm/ipq4018_usb_hs_phy.c optional qcom_ipq4018_hs_usbphy
|
||||
arm/qualcomm/ipq4018_usb_ss_phy.c optional qcom_ipq4018_ss_usbphy
|
||||
|
||||
dev/qcom_rnd/qcom_rnd.c optional qcom_rnd
|
||||
|
||||
dev/qcom_qup/qcom_spi.c optional qcom_qup_spi
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user