diff options
Diffstat (limited to 'drivers/usb/renesas_usbhs')
| -rw-r--r-- | drivers/usb/renesas_usbhs/common.c | 39 | ||||
| -rw-r--r-- | drivers/usb/renesas_usbhs/common.h | 11 | ||||
| -rw-r--r-- | drivers/usb/renesas_usbhs/fifo.c | 11 | ||||
| -rw-r--r-- | drivers/usb/renesas_usbhs/fifo.h | 11 | ||||
| -rw-r--r-- | drivers/usb/renesas_usbhs/mod.c | 11 | ||||
| -rw-r--r-- | drivers/usb/renesas_usbhs/mod.h | 11 | ||||
| -rw-r--r-- | drivers/usb/renesas_usbhs/mod_gadget.c | 11 | ||||
| -rw-r--r-- | drivers/usb/renesas_usbhs/mod_host.c | 11 | ||||
| -rw-r--r-- | drivers/usb/renesas_usbhs/pipe.c | 11 | ||||
| -rw-r--r-- | drivers/usb/renesas_usbhs/pipe.h | 11 | ||||
| -rw-r--r-- | drivers/usb/renesas_usbhs/rcar2.c | 7 | ||||
| -rw-r--r-- | drivers/usb/renesas_usbhs/rcar2.h | 1 | ||||
| -rw-r--r-- | drivers/usb/renesas_usbhs/rcar3.c | 54 | ||||
| -rw-r--r-- | drivers/usb/renesas_usbhs/rcar3.h | 2 |
14 files changed, 78 insertions, 124 deletions
diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index f0ce304c5aaf..56079bb6759a 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #include <linux/err.h> #include <linux/gpio.h> @@ -486,6 +477,10 @@ static const struct of_device_id usbhs_of_match[] = { .data = (void *)USBHS_TYPE_RCAR_GEN3, }, { + .compatible = "renesas,usbhs-r8a77995", + .data = (void *)USBHS_TYPE_RCAR_GEN3_WITH_PLL, + }, + { .compatible = "renesas,rcar-gen2-usbhs", .data = (void *)USBHS_TYPE_RCAR_GEN2, }, @@ -501,7 +496,6 @@ static struct renesas_usbhs_platform_info *usbhs_parse_dt(struct device *dev) { struct renesas_usbhs_platform_info *info; struct renesas_usbhs_driver_param *dparam; - const struct of_device_id *of_id = of_match_device(usbhs_of_match, dev); u32 tmp; int gpio; @@ -510,7 +504,7 @@ static struct renesas_usbhs_platform_info *usbhs_parse_dt(struct device *dev) return NULL; dparam = &info->driver_param; - dparam->type = of_id ? (uintptr_t)of_id->data : 0; + dparam->type = (uintptr_t)of_device_get_match_data(dev); if (!of_property_read_u32(dev->of_node, "renesas,buswait", &tmp)) dparam->buswait_bwait = tmp; gpio = of_get_named_gpio_flags(dev->of_node, "renesas,enable-gpio", 0, @@ -519,15 +513,19 @@ static struct renesas_usbhs_platform_info *usbhs_parse_dt(struct device *dev) dparam->enable_gpio = gpio; if (dparam->type == USBHS_TYPE_RCAR_GEN2 || - dparam->type == USBHS_TYPE_RCAR_GEN3) + dparam->type == USBHS_TYPE_RCAR_GEN3 || + dparam->type == USBHS_TYPE_RCAR_GEN3_WITH_PLL) { dparam->has_usb_dmac = 1; + dparam->pipe_configs = usbhsc_new_pipe; + dparam->pipe_size = ARRAY_SIZE(usbhsc_new_pipe); + } return info; } static int usbhs_probe(struct platform_device *pdev) { - struct renesas_usbhs_platform_info *info = dev_get_platdata(&pdev->dev); + struct renesas_usbhs_platform_info *info = renesas_usbhs_get_info(pdev); struct renesas_usbhs_driver_callback *dfunc; struct usbhs_priv *priv; struct resource *res, *irq_res; @@ -577,17 +575,12 @@ static int usbhs_probe(struct platform_device *pdev) switch (priv->dparam.type) { case USBHS_TYPE_RCAR_GEN2: priv->pfunc = usbhs_rcar2_ops; - if (!priv->dparam.pipe_configs) { - priv->dparam.pipe_configs = usbhsc_new_pipe; - priv->dparam.pipe_size = ARRAY_SIZE(usbhsc_new_pipe); - } break; case USBHS_TYPE_RCAR_GEN3: priv->pfunc = usbhs_rcar3_ops; - if (!priv->dparam.pipe_configs) { - priv->dparam.pipe_configs = usbhsc_new_pipe; - priv->dparam.pipe_size = ARRAY_SIZE(usbhsc_new_pipe); - } + break; + case USBHS_TYPE_RCAR_GEN3_WITH_PLL: + priv->pfunc = usbhs_rcar3_with_pll_ops; break; default: if (!info->platform_callback.get_id) { @@ -710,7 +703,7 @@ probe_end_pipe_exit: static int usbhs_remove(struct platform_device *pdev) { struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev); - struct renesas_usbhs_platform_info *info = dev_get_platdata(&pdev->dev); + struct renesas_usbhs_platform_info *info = renesas_usbhs_get_info(pdev); struct renesas_usbhs_driver_callback *dfunc = &info->driver_callback; dev_dbg(&pdev->dev, "usb remove\n"); diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h index 8c5fc12ad778..64797784a6df 100644 --- a/drivers/usb/renesas_usbhs/common.h +++ b/drivers/usb/renesas_usbhs/common.h @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #ifndef RENESAS_USB_DRIVER_H #define RENESAS_USB_DRIVER_H diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index 50285b01da92..2d24ef3076ef 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #include <linux/delay.h> #include <linux/io.h> diff --git a/drivers/usb/renesas_usbhs/fifo.h b/drivers/usb/renesas_usbhs/fifo.h index 8b98507d7abc..88d1816bcda2 100644 --- a/drivers/usb/renesas_usbhs/fifo.h +++ b/drivers/usb/renesas_usbhs/fifo.h @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #ifndef RENESAS_USB_FIFO_H #define RENESAS_USB_FIFO_H diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c index 28965ef4f824..7475c4f64724 100644 --- a/drivers/usb/renesas_usbhs/mod.c +++ b/drivers/usb/renesas_usbhs/mod.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #include <linux/interrupt.h> diff --git a/drivers/usb/renesas_usbhs/mod.h b/drivers/usb/renesas_usbhs/mod.h index 1ef5bf604070..a4a61d6b82a1 100644 --- a/drivers/usb/renesas_usbhs/mod.h +++ b/drivers/usb/renesas_usbhs/mod.h @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #ifndef RENESAS_USB_MOD_H #define RENESAS_USB_MOD_H diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index c068b673420b..34ee9ebe12a3 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #include <linux/delay.h> #include <linux/dma-mapping.h> diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c index e256351cb72d..4e59c649db81 100644 --- a/drivers/usb/renesas_usbhs/mod_host.c +++ b/drivers/usb/renesas_usbhs/mod_host.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #include <linux/io.h> #include <linux/list.h> diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c index d811f0550c04..093cd8e87335 100644 --- a/drivers/usb/renesas_usbhs/pipe.c +++ b/drivers/usb/renesas_usbhs/pipe.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #include <linux/delay.h> #include <linux/slab.h> diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h index 95185fdb29b1..d3d002244891 100644 --- a/drivers/usb/renesas_usbhs/pipe.h +++ b/drivers/usb/renesas_usbhs/pipe.h @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #ifndef RENESAS_USB_PIPE_H #define RENESAS_USB_PIPE_H diff --git a/drivers/usb/renesas_usbhs/rcar2.c b/drivers/usb/renesas_usbhs/rcar2.c index 277160bc6f25..85a0e0933917 100644 --- a/drivers/usb/renesas_usbhs/rcar2.c +++ b/drivers/usb/renesas_usbhs/rcar2.c @@ -1,13 +1,8 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver R-Car Gen. 2 initialization and power control * * Copyright (C) 2014 Ulrich Hecht - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/gpio.h> diff --git a/drivers/usb/renesas_usbhs/rcar2.h b/drivers/usb/renesas_usbhs/rcar2.h index f07f10d9b3b2..45e3526cedeb 100644 --- a/drivers/usb/renesas_usbhs/rcar2.h +++ b/drivers/usb/renesas_usbhs/rcar2.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "common.h" extern const struct renesas_usbhs_platform_callback diff --git a/drivers/usb/renesas_usbhs/rcar3.c b/drivers/usb/renesas_usbhs/rcar3.c index 02b67abfc2a1..c929d296c77b 100644 --- a/drivers/usb/renesas_usbhs/rcar3.c +++ b/drivers/usb/renesas_usbhs/rcar3.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Renesas USB driver R-Car Gen. 3 initialization and power control * * Copyright (C) 2016 Renesas Electronics Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/delay.h> @@ -15,24 +11,39 @@ #include "rcar3.h" #define LPSTS 0x102 +#define UGCTRL 0x180 /* 32-bit register */ #define UGCTRL2 0x184 /* 32-bit register */ +#define UGSTS 0x188 /* 32-bit register */ /* Low Power Status register (LPSTS) */ #define LPSTS_SUSPM 0x4000 +/* R-Car D3 only: USB General control register (UGCTRL) */ +#define UGCTRL_PLLRESET 0x00000001 +#define UGCTRL_CONNECT 0x00000004 + /* * USB General control register 2 (UGCTRL2) * Remarks: bit[31:11] and bit[9:6] should be 0 */ #define UGCTRL2_RESERVED_3 0x00000001 /* bit[3:0] should be B'0001 */ +#define UGCTRL2_USB0SEL_HSUSB 0x00000020 #define UGCTRL2_USB0SEL_OTG 0x00000030 #define UGCTRL2_VBUSSEL 0x00000400 +/* R-Car D3 only: USB General status register (UGSTS) */ +#define UGSTS_LOCK 0x00000100 + static void usbhs_write32(struct usbhs_priv *priv, u32 reg, u32 data) { iowrite32(data, priv->base + reg); } +static u32 usbhs_read32(struct usbhs_priv *priv, u32 reg) +{ + return ioread32(priv->base + reg); +} + static int usbhs_rcar3_power_ctrl(struct platform_device *pdev, void __iomem *base, int enable) { @@ -52,6 +63,34 @@ static int usbhs_rcar3_power_ctrl(struct platform_device *pdev, return 0; } +/* R-Car D3 needs to release UGCTRL.PLLRESET */ +static int usbhs_rcar3_power_and_pll_ctrl(struct platform_device *pdev, + void __iomem *base, int enable) +{ + struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev); + u32 val; + int timeout = 1000; + + if (enable) { + usbhs_write32(priv, UGCTRL, 0); /* release PLLRESET */ + usbhs_write32(priv, UGCTRL2, UGCTRL2_RESERVED_3 | + UGCTRL2_USB0SEL_HSUSB); + + usbhs_bset(priv, LPSTS, LPSTS_SUSPM, LPSTS_SUSPM); + do { + val = usbhs_read32(priv, UGSTS); + udelay(1); + } while (!(val & UGSTS_LOCK) && timeout--); + usbhs_write32(priv, UGCTRL, UGCTRL_CONNECT); + } else { + usbhs_write32(priv, UGCTRL, 0); + usbhs_bset(priv, LPSTS, LPSTS_SUSPM, 0); + usbhs_write32(priv, UGCTRL, UGCTRL_PLLRESET); + } + + return 0; +} + static int usbhs_rcar3_get_id(struct platform_device *pdev) { return USBHS_GADGET; @@ -61,3 +100,8 @@ const struct renesas_usbhs_platform_callback usbhs_rcar3_ops = { .power_ctrl = usbhs_rcar3_power_ctrl, .get_id = usbhs_rcar3_get_id, }; + +const struct renesas_usbhs_platform_callback usbhs_rcar3_with_pll_ops = { + .power_ctrl = usbhs_rcar3_power_and_pll_ctrl, + .get_id = usbhs_rcar3_get_id, +}; diff --git a/drivers/usb/renesas_usbhs/rcar3.h b/drivers/usb/renesas_usbhs/rcar3.h index 5f850b23ff18..49e535a31771 100644 --- a/drivers/usb/renesas_usbhs/rcar3.h +++ b/drivers/usb/renesas_usbhs/rcar3.h @@ -1,3 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0 #include "common.h" extern const struct renesas_usbhs_platform_callback usbhs_rcar3_ops; +extern const struct renesas_usbhs_platform_callback usbhs_rcar3_with_pll_ops; |