As of commit 3d7608e4c169af03 ("ARM: shmobile: bockw: remove legacy
board file and config"), the Renesas R-Car (Gen1) USB PHY driver is no
longer used.
In theory it could still be used on R-Car Gen1 SoCs, but that would
require adding DT support to the driver. Instead, a new driver using the
generic PHY framework should be written, as was done for R-Car Gen2.
Remove the driver for good.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
drivers/usb/phy/Kconfig | 13 --
drivers/usb/phy/Makefile | 1 -
drivers/usb/phy/phy-rcar-usb.c | 247 -----------------------------
include/linux/platform_data/usb-rcar-phy.h | 28 ----
4 files changed, 289 deletions(-)
delete mode 100644 drivers/usb/phy/phy-rcar-usb.c
delete mode 100644 include/linux/platform_data/usb-rcar-phy.h
diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
index 22e8ecb6bfbd2822..155694c1a5366215 100644
--- a/drivers/usb/phy/Kconfig
+++ b/drivers/usb/phy/Kconfig
@@ -186,19 +186,6 @@ config USB_MXS_PHY
MXS Phy is used by some of the i.MX SoCs, for example imx23/28/6x.
-config USB_RCAR_PHY
- tristate "Renesas R-Car USB PHY support"
- depends on USB || USB_GADGET
- depends on ARCH_R8A7778 || ARCH_R8A7779 || COMPILE_TEST
- select USB_PHY
- help
- Say Y here to add support for the Renesas R-Car USB common PHY driver.
- This chip is typically used as USB PHY for USB host, gadget.
- This driver supports R8A7778 and R8A7779.
-
- To compile this driver as a module, choose M here: the
- module will be called phy-rcar-usb.
-
config USB_ULPI
bool "Generic ULPI Transceiver Driver"
depends on ARM || ARM64
diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile
index 19c0dccbb1161b11..b433e5d89be4bdda 100644
--- a/drivers/usb/phy/Makefile
+++ b/drivers/usb/phy/Makefile
@@ -23,7 +23,6 @@ obj-$(CONFIG_USB_MSM_OTG) += phy-msm-usb.o
obj-$(CONFIG_USB_QCOM_8X16_PHY) += phy-qcom-8x16-usb.o
obj-$(CONFIG_USB_MV_OTG) += phy-mv-usb.o
obj-$(CONFIG_USB_MXS_PHY) += phy-mxs-usb.o
-obj-$(CONFIG_USB_RCAR_PHY) += phy-rcar-usb.o
obj-$(CONFIG_USB_ULPI) += phy-ulpi.o
obj-$(CONFIG_USB_ULPI_VIEWPORT) += phy-ulpi-viewport.o
obj-$(CONFIG_KEYSTONE_USB_PHY) += phy-keystone.o
diff --git a/drivers/usb/phy/phy-rcar-usb.c b/drivers/usb/phy/phy-rcar-usb.c
deleted file mode 100644
index 1e09b83778853829..0000000000000000
--- a/drivers/usb/phy/phy-rcar-usb.c
+++ /dev/null
@@ -1,247 +0,0 @@
-/*
- * Renesas R-Car USB phy driver
- *
- * Copyright (C) 2012-2013 Renesas Solutions Corp.
- * Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
- * Copyright (C) 2013 Cogent Embedded, Inc.
- *
- * 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>
-#include <linux/io.h>
-#include <linux/usb/otg.h>
-#include <linux/platform_device.h>
-#include <linux/spinlock.h>
-#include <linux/module.h>
-#include <linux/platform_data/usb-rcar-phy.h>
-
-/* REGS block */
-#define USBPCTRL0 0x00
-#define USBPCTRL1 0x04
-#define USBST 0x08
-#define USBEH0 0x0C
-#define USBOH0 0x1C
-#define USBCTL0 0x58
-
-/* High-speed signal quality characteristic control registers (R8A7778 only) */
-#define HSQCTL1 0x24
-#define HSQCTL2 0x28
-
-/* USBPCTRL0 */
-#define OVC2 (1 << 10) /* (R8A7779 only) */
- /* Switches the OVC input pin for port 2: */
- /* 1: USB_OVC2, 0: OVC2 */
-#define OVC1_VBUS1 (1 << 9) /* Switches the OVC input pin for port 1: */
- /* 1: USB_OVC1, 0: OVC1/VBUS1 */
- /* Function mode: set to 0 */
-#define OVC0 (1 << 8) /* Switches the OVC input pin for port 0: */
- /* 1: USB_OVC0 pin, 0: OVC0 */
-#define OVC2_ACT (1 << 6) /* (R8A7779 only) */
- /* Host mode: OVC2 polarity: */
- /* 1: active-high, 0: active-low */
-#define PENC (1 << 4) /* Function mode: output level of PENC1 pin: */
- /* 1: high, 0: low */
-#define OVC0_ACT (1 << 3) /* Host mode: OVC0 polarity: */
- /* 1: active-high, 0: active-low */
-#define OVC1_ACT (1 << 1) /* Host mode: OVC1 polarity: */
- /* 1: active-high, 0: active-low */
- /* Function mode: be sure to set to 1 */
-#define PORT1 (1 << 0) /* Selects port 1 mode: */
- /* 1: function, 0: host */
-/* USBPCTRL1 */
-#define PHY_RST (1 << 2)
-#define PLL_ENB (1 << 1)
-#define PHY_ENB (1 << 0)
-
-/* USBST */
-#define ST_ACT (1 << 31)
-#define ST_PLL (1 << 30)
-
-struct rcar_usb_phy_priv {
- struct usb_phy phy;
- spinlock_t lock;
-
- void __iomem *reg0;
- void __iomem *reg1;
- int counter;
-};
-
-#define usb_phy_to_priv(p) container_of(p, struct rcar_usb_phy_priv, phy)
-
-
-/*
- * USB initial/install operation.
- *
- * This function setup USB phy.
- * The used value and setting order came from
- * [USB :: Initial setting] on datasheet.
- */
-static int rcar_usb_phy_init(struct usb_phy *phy)
-{
- struct rcar_usb_phy_priv *priv = usb_phy_to_priv(phy);
- struct device *dev = phy->dev;
- struct rcar_phy_platform_data *pdata = dev_get_platdata(dev);
- void __iomem *reg0 = priv->reg0;
- void __iomem *reg1 = priv->reg1;
- static const u8 ovcn_act[] = { OVC0_ACT, OVC1_ACT, OVC2_ACT };
- int i;
- u32 val;
- unsigned long flags;
-
- spin_lock_irqsave(&priv->lock, flags);
- if (priv->counter++ == 0) {
-
- /*
- * USB phy start-up
- */
-
- /* (1) USB-PHY standby release */
- iowrite32(PHY_ENB, (reg0 + USBPCTRL1));
-
- /* (2) start USB-PHY internal PLL */
- iowrite32(PHY_ENB | PLL_ENB, (reg0 + USBPCTRL1));
-
- /* (3) set USB-PHY in accord with the conditions of usage */
- if (reg1) {
- u32 hsqctl1 = pdata->ferrite_bead ? 0x41 : 0;
- u32 hsqctl2 = pdata->ferrite_bead ? 0x0d : 7;
-
- iowrite32(hsqctl1, reg1 + HSQCTL1);
- iowrite32(hsqctl2, reg1 + HSQCTL2);
- }
-
- /* (4) USB module status check */
- for (i = 0; i < 1024; i++) {
- udelay(10);
- val = ioread32(reg0 + USBST);
- if (val == (ST_ACT | ST_PLL))
- break;
- }
-
- if (val != (ST_ACT | ST_PLL)) {
- dev_err(dev, "USB phy not ready\n");
- goto phy_init_end;
- }
-
- /* (5) USB-PHY reset clear */
- iowrite32(PHY_ENB | PLL_ENB | PHY_RST, (reg0 + USBPCTRL1));
-
- /* Board specific port settings */
- val = 0;
- if (pdata->port1_func)
- val |= PORT1;
- if (pdata->penc1)
- val |= PENC;
- for (i = 0; i < 3; i++) {
- /* OVCn bits follow each other in the right order */
- if (pdata->ovc_pin[i].select_3_3v)
- val |= OVC0 << i;
- /* OVCn_ACT bits are spaced by irregular intervals */
- if (pdata->ovc_pin[i].active_high)
- val |= ovcn_act[i];
- }
- iowrite32(val, (reg0 + USBPCTRL0));
-
- /*
- * Bus alignment settings
- */
-
- /* (1) EHCI bus alignment (little endian) */
- iowrite32(0x00000000, (reg0 + USBEH0));
-
- /* (1) OHCI bus alignment (little endian) */
- iowrite32(0x00000000, (reg0 + USBOH0));
- }
-
-phy_init_end:
- spin_unlock_irqrestore(&priv->lock, flags);
-
- return 0;
-}
-
-static void rcar_usb_phy_shutdown(struct usb_phy *phy)
-{
- struct rcar_usb_phy_priv *priv = usb_phy_to_priv(phy);
- void __iomem *reg0 = priv->reg0;
- unsigned long flags;
-
- spin_lock_irqsave(&priv->lock, flags);
-
- if (priv->counter-- == 1) /* last user */
- iowrite32(0x00000000, (reg0 + USBPCTRL1));
-
- spin_unlock_irqrestore(&priv->lock, flags);
-}
-
-static int rcar_usb_phy_probe(struct platform_device *pdev)
-{
- struct rcar_usb_phy_priv *priv;
- struct resource *res0, *res1;
- struct device *dev = &pdev->dev;
- void __iomem *reg0, *reg1 = NULL;
- int ret;
-
- if (!dev_get_platdata(&pdev->dev)) {
- dev_err(dev, "No platform data\n");
- return -EINVAL;
- }
-
- res0 = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- reg0 = devm_ioremap_resource(dev, res0);
- if (IS_ERR(reg0))
- return PTR_ERR(reg0);
-
- res1 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- reg1 = devm_ioremap_resource(dev, res1);
- if (IS_ERR(reg1))
- return PTR_ERR(reg1);
-
- priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
-
- priv->reg0 = reg0;
- priv->reg1 = reg1;
- priv->counter = 0;
- priv->phy.dev = dev;
- priv->phy.label = dev_name(dev);
- priv->phy.init = rcar_usb_phy_init;
- priv->phy.shutdown = rcar_usb_phy_shutdown;
- spin_lock_init(&priv->lock);
-
- ret = usb_add_phy(&priv->phy, USB_PHY_TYPE_USB2);
- if (ret < 0) {
- dev_err(dev, "usb phy addition error\n");
- return ret;
- }
-
- platform_set_drvdata(pdev, priv);
-
- return ret;
-}
-
-static int rcar_usb_phy_remove(struct platform_device *pdev)
-{
- struct rcar_usb_phy_priv *priv = platform_get_drvdata(pdev);
-
- usb_remove_phy(&priv->phy);
-
- return 0;
-}
-
-static struct platform_driver rcar_usb_phy_driver = {
- .driver = {
- .name = "rcar_usb_phy",
- },
- .probe = rcar_usb_phy_probe,
- .remove = rcar_usb_phy_remove,
-};
-
-module_platform_driver(rcar_usb_phy_driver);
-
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("Renesas R-Car USB phy");
-MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>");
diff --git a/include/linux/platform_data/usb-rcar-phy.h b/include/linux/platform_data/usb-rcar-phy.h
deleted file mode 100644
index 8ec6964a32a5233a..0000000000000000
--- a/include/linux/platform_data/usb-rcar-phy.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2013 Renesas Solutions Corp.
- * Copyright (C) 2013 Cogent Embedded, Inc.
- *
- * 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.
- */
-
-#ifndef __USB_RCAR_PHY_H
-#define __USB_RCAR_PHY_H
-
-#include <linux/types.h>
-
-struct rcar_phy_platform_data {
- bool ferrite_bead:1; /* (R8A7778 only) */
-
- bool port1_func:1; /* true: port 1 used by function, false: host */
- unsigned penc1:1; /* Output of the PENC1 pin in function mode */
- struct { /* Overcurrent pin control for ports 0..2 */
- bool select_3_3v:1; /* true: USB_OVCn pin, false: OVCn pin */
- /* Set to false on port 1 in function mode */
- bool active_high:1; /* true: active high, false: active low */
- /* Set to true on port 1 in function mode */
- } ovc_pin[3]; /* (R8A7778 only has 2 ports) */
-};
-
-#endif /* __USB_RCAR_PHY_H */
--
1.9.1
--
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