diff options
author | Paul Cercueil <paul@crapouillou.net> | 2022-10-26 21:26:57 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-11-09 14:39:13 +0300 |
commit | 3f2d1f2e40666d6536b663c5050a3a23ca5d9ce8 (patch) | |
tree | 1d6c56d4a26d063228a27e0581884282e1b3ed7c /drivers/usb | |
parent | 9cd074798ef6bf9c361c78084abc2c30e551ecdc (diff) | |
download | linux-3f2d1f2e40666d6536b663c5050a3a23ca5d9ce8.tar.xz |
usb: phy: jz4770: Remove driver
This driver has been replaced by the Ingenic PHY driver that uses the
generic PHY framework.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20221026182657.146630-8-paul@crapouillou.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r-- | drivers/usb/phy/Kconfig | 8 | ||||
-rw-r--r-- | drivers/usb/phy/Makefile | 1 | ||||
-rw-r--r-- | drivers/usb/phy/phy-jz4770.c | 353 |
3 files changed, 0 insertions, 362 deletions
diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig index efdcafdbe46d..915df5726a5c 100644 --- a/drivers/usb/phy/Kconfig +++ b/drivers/usb/phy/Kconfig @@ -189,12 +189,4 @@ config USB_ULPI_VIEWPORT Provides read/write operations to the ULPI phy register set for controllers with a viewport register (e.g. Chipidea/ARC controllers). -config JZ4770_PHY - tristate "Ingenic SoCs Transceiver Driver" - depends on MIPS || COMPILE_TEST - select USB_PHY - help - This driver provides PHY support for the USB controller found - on the JZ-series and X-series SoCs from Ingenic. - endmenu diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile index b352bdbe8712..df1d99010079 100644 --- a/drivers/usb/phy/Makefile +++ b/drivers/usb/phy/Makefile @@ -24,4 +24,3 @@ obj-$(CONFIG_USB_MXS_PHY) += phy-mxs-usb.o obj-$(CONFIG_USB_ULPI) += phy-ulpi.o obj-$(CONFIG_USB_ULPI_VIEWPORT) += phy-ulpi-viewport.o obj-$(CONFIG_KEYSTONE_USB_PHY) += phy-keystone.o -obj-$(CONFIG_JZ4770_PHY) += phy-jz4770.o diff --git a/drivers/usb/phy/phy-jz4770.c b/drivers/usb/phy/phy-jz4770.c deleted file mode 100644 index f16adcacdce3..000000000000 --- a/drivers/usb/phy/phy-jz4770.c +++ /dev/null @@ -1,353 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Ingenic SoCs USB PHY driver - * Copyright (c) Paul Cercueil <paul@crapouillou.net> - * Copyright (c) 漆鹏振 (Qi Pengzhen) <aric.pzqi@ingenic.com> - * Copyright (c) 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com> - */ - -#include <linux/clk.h> -#include <linux/io.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/regulator/consumer.h> -#include <linux/usb/otg.h> -#include <linux/usb/phy.h> - -/* OTGPHY register offsets */ -#define REG_USBPCR_OFFSET 0x00 -#define REG_USBRDT_OFFSET 0x04 -#define REG_USBVBFIL_OFFSET 0x08 -#define REG_USBPCR1_OFFSET 0x0c - -/* bits within the USBPCR register */ -#define USBPCR_USB_MODE BIT(31) -#define USBPCR_AVLD_REG BIT(30) -#define USBPCR_COMMONONN BIT(25) -#define USBPCR_VBUSVLDEXT BIT(24) -#define USBPCR_VBUSVLDEXTSEL BIT(23) -#define USBPCR_POR BIT(22) -#define USBPCR_SIDDQ BIT(21) -#define USBPCR_OTG_DISABLE BIT(20) -#define USBPCR_TXPREEMPHTUNE BIT(6) - -#define USBPCR_IDPULLUP_LSB 28 -#define USBPCR_IDPULLUP_MASK GENMASK(29, USBPCR_IDPULLUP_LSB) -#define USBPCR_IDPULLUP_ALWAYS (0x2 << USBPCR_IDPULLUP_LSB) -#define USBPCR_IDPULLUP_SUSPEND (0x1 << USBPCR_IDPULLUP_LSB) -#define USBPCR_IDPULLUP_OTG (0x0 << USBPCR_IDPULLUP_LSB) - -#define USBPCR_COMPDISTUNE_LSB 17 -#define USBPCR_COMPDISTUNE_MASK GENMASK(19, USBPCR_COMPDISTUNE_LSB) -#define USBPCR_COMPDISTUNE_DFT (0x4 << USBPCR_COMPDISTUNE_LSB) - -#define USBPCR_OTGTUNE_LSB 14 -#define USBPCR_OTGTUNE_MASK GENMASK(16, USBPCR_OTGTUNE_LSB) -#define USBPCR_OTGTUNE_DFT (0x4 << USBPCR_OTGTUNE_LSB) - -#define USBPCR_SQRXTUNE_LSB 11 -#define USBPCR_SQRXTUNE_MASK GENMASK(13, USBPCR_SQRXTUNE_LSB) -#define USBPCR_SQRXTUNE_DCR_20PCT (0x7 << USBPCR_SQRXTUNE_LSB) -#define USBPCR_SQRXTUNE_DFT (0x3 << USBPCR_SQRXTUNE_LSB) - -#define USBPCR_TXFSLSTUNE_LSB 7 -#define USBPCR_TXFSLSTUNE_MASK GENMASK(10, USBPCR_TXFSLSTUNE_LSB) -#define USBPCR_TXFSLSTUNE_DCR_50PPT (0xf << USBPCR_TXFSLSTUNE_LSB) -#define USBPCR_TXFSLSTUNE_DCR_25PPT (0x7 << USBPCR_TXFSLSTUNE_LSB) -#define USBPCR_TXFSLSTUNE_DFT (0x3 << USBPCR_TXFSLSTUNE_LSB) -#define USBPCR_TXFSLSTUNE_INC_25PPT (0x1 << USBPCR_TXFSLSTUNE_LSB) -#define USBPCR_TXFSLSTUNE_INC_50PPT (0x0 << USBPCR_TXFSLSTUNE_LSB) - -#define USBPCR_TXHSXVTUNE_LSB 4 -#define USBPCR_TXHSXVTUNE_MASK GENMASK(5, USBPCR_TXHSXVTUNE_LSB) -#define USBPCR_TXHSXVTUNE_DFT (0x3 << USBPCR_TXHSXVTUNE_LSB) -#define USBPCR_TXHSXVTUNE_DCR_15MV (0x1 << USBPCR_TXHSXVTUNE_LSB) - -#define USBPCR_TXRISETUNE_LSB 4 -#define USBPCR_TXRISETUNE_MASK GENMASK(5, USBPCR_TXRISETUNE_LSB) -#define USBPCR_TXRISETUNE_DFT (0x3 << USBPCR_TXRISETUNE_LSB) - -#define USBPCR_TXVREFTUNE_LSB 0 -#define USBPCR_TXVREFTUNE_MASK GENMASK(3, USBPCR_TXVREFTUNE_LSB) -#define USBPCR_TXVREFTUNE_INC_25PPT (0x7 << USBPCR_TXVREFTUNE_LSB) -#define USBPCR_TXVREFTUNE_DFT (0x5 << USBPCR_TXVREFTUNE_LSB) - -/* bits within the USBRDTR register */ -#define USBRDT_UTMI_RST BIT(27) -#define USBRDT_HB_MASK BIT(26) -#define USBRDT_VBFIL_LD_EN BIT(25) -#define USBRDT_IDDIG_EN BIT(24) -#define USBRDT_IDDIG_REG BIT(23) -#define USBRDT_VBFIL_EN BIT(2) - -/* bits within the USBPCR1 register */ -#define USBPCR1_BVLD_REG BIT(31) -#define USBPCR1_DPPD BIT(29) -#define USBPCR1_DMPD BIT(28) -#define USBPCR1_USB_SEL BIT(28) -#define USBPCR1_WORD_IF_16BIT BIT(19) - -enum ingenic_usb_phy_version { - ID_JZ4770, - ID_JZ4780, - ID_X1000, - ID_X1830, -}; - -struct ingenic_soc_info { - enum ingenic_usb_phy_version version; - - void (*usb_phy_init)(struct usb_phy *phy); -}; - -struct jz4770_phy { - const struct ingenic_soc_info *soc_info; - - struct usb_phy phy; - struct usb_otg otg; - struct device *dev; - void __iomem *base; - struct clk *clk; - struct regulator *vcc_supply; -}; - -static inline struct jz4770_phy *otg_to_jz4770_phy(struct usb_otg *otg) -{ - return container_of(otg, struct jz4770_phy, otg); -} - -static inline struct jz4770_phy *phy_to_jz4770_phy(struct usb_phy *phy) -{ - return container_of(phy, struct jz4770_phy, phy); -} - -static int ingenic_usb_phy_set_peripheral(struct usb_otg *otg, - struct usb_gadget *gadget) -{ - struct jz4770_phy *priv = otg_to_jz4770_phy(otg); - u32 reg; - - if (priv->soc_info->version >= ID_X1000) { - reg = readl(priv->base + REG_USBPCR1_OFFSET); - reg |= USBPCR1_BVLD_REG; - writel(reg, priv->base + REG_USBPCR1_OFFSET); - } - - reg = readl(priv->base + REG_USBPCR_OFFSET); - reg &= ~USBPCR_USB_MODE; - reg |= USBPCR_VBUSVLDEXT | USBPCR_VBUSVLDEXTSEL | USBPCR_OTG_DISABLE; - writel(reg, priv->base + REG_USBPCR_OFFSET); - - return 0; -} - -static int ingenic_usb_phy_set_host(struct usb_otg *otg, struct usb_bus *host) -{ - struct jz4770_phy *priv = otg_to_jz4770_phy(otg); - u32 reg; - - reg = readl(priv->base + REG_USBPCR_OFFSET); - reg &= ~(USBPCR_VBUSVLDEXT | USBPCR_VBUSVLDEXTSEL | USBPCR_OTG_DISABLE); - reg |= USBPCR_USB_MODE; - writel(reg, priv->base + REG_USBPCR_OFFSET); - - return 0; -} - -static int ingenic_usb_phy_init(struct usb_phy *phy) -{ - struct jz4770_phy *priv = phy_to_jz4770_phy(phy); - int err; - u32 reg; - - err = regulator_enable(priv->vcc_supply); - if (err) { - dev_err(priv->dev, "Unable to enable VCC: %d\n", err); - return err; - } - - err = clk_prepare_enable(priv->clk); - if (err) { - dev_err(priv->dev, "Unable to start clock: %d\n", err); - return err; - } - - priv->soc_info->usb_phy_init(phy); - - /* Wait for PHY to reset */ - usleep_range(30, 300); - reg = readl(priv->base + REG_USBPCR_OFFSET); - writel(reg & ~USBPCR_POR, priv->base + REG_USBPCR_OFFSET); - usleep_range(300, 1000); - - return 0; -} - -static void ingenic_usb_phy_shutdown(struct usb_phy *phy) -{ - struct jz4770_phy *priv = phy_to_jz4770_phy(phy); - - clk_disable_unprepare(priv->clk); - regulator_disable(priv->vcc_supply); -} - -static void ingenic_usb_phy_remove(void *phy) -{ - usb_remove_phy(phy); -} - -static void jz4770_usb_phy_init(struct usb_phy *phy) -{ - struct jz4770_phy *priv = phy_to_jz4770_phy(phy); - u32 reg; - - reg = USBPCR_AVLD_REG | USBPCR_COMMONONN | USBPCR_IDPULLUP_ALWAYS | - USBPCR_COMPDISTUNE_DFT | USBPCR_OTGTUNE_DFT | USBPCR_SQRXTUNE_DFT | - USBPCR_TXFSLSTUNE_DFT | USBPCR_TXRISETUNE_DFT | USBPCR_TXVREFTUNE_DFT | - USBPCR_POR; - writel(reg, priv->base + REG_USBPCR_OFFSET); -} - -static void jz4780_usb_phy_init(struct usb_phy *phy) -{ - struct jz4770_phy *priv = phy_to_jz4770_phy(phy); - u32 reg; - - reg = readl(priv->base + REG_USBPCR1_OFFSET) | USBPCR1_USB_SEL | - USBPCR1_WORD_IF_16BIT; - writel(reg, priv->base + REG_USBPCR1_OFFSET); - - reg = USBPCR_TXPREEMPHTUNE | USBPCR_COMMONONN | USBPCR_POR; - writel(reg, priv->base + REG_USBPCR_OFFSET); -} - -static void x1000_usb_phy_init(struct usb_phy *phy) -{ - struct jz4770_phy *priv = phy_to_jz4770_phy(phy); - u32 reg; - - reg = readl(priv->base + REG_USBPCR1_OFFSET) | USBPCR1_WORD_IF_16BIT; - writel(reg, priv->base + REG_USBPCR1_OFFSET); - - reg = USBPCR_SQRXTUNE_DCR_20PCT | USBPCR_TXPREEMPHTUNE | - USBPCR_TXHSXVTUNE_DCR_15MV | USBPCR_TXVREFTUNE_INC_25PPT | - USBPCR_COMMONONN | USBPCR_POR; - writel(reg, priv->base + REG_USBPCR_OFFSET); -} - -static void x1830_usb_phy_init(struct usb_phy *phy) -{ - struct jz4770_phy *priv = phy_to_jz4770_phy(phy); - u32 reg; - - /* rdt */ - writel(USBRDT_VBFIL_EN | USBRDT_UTMI_RST, priv->base + REG_USBRDT_OFFSET); - - reg = readl(priv->base + REG_USBPCR1_OFFSET) | USBPCR1_WORD_IF_16BIT | - USBPCR1_DMPD | USBPCR1_DPPD; - writel(reg, priv->base + REG_USBPCR1_OFFSET); - - reg = USBPCR_IDPULLUP_OTG | USBPCR_VBUSVLDEXT | USBPCR_TXPREEMPHTUNE | - USBPCR_COMMONONN | USBPCR_POR; - writel(reg, priv->base + REG_USBPCR_OFFSET); -} - -static const struct ingenic_soc_info jz4770_soc_info = { - .version = ID_JZ4770, - - .usb_phy_init = jz4770_usb_phy_init, -}; - -static const struct ingenic_soc_info jz4780_soc_info = { - .version = ID_JZ4780, - - .usb_phy_init = jz4780_usb_phy_init, -}; - -static const struct ingenic_soc_info x1000_soc_info = { - .version = ID_X1000, - - .usb_phy_init = x1000_usb_phy_init, -}; - -static const struct ingenic_soc_info x1830_soc_info = { - .version = ID_X1830, - - .usb_phy_init = x1830_usb_phy_init, -}; - -static const struct of_device_id ingenic_usb_phy_of_matches[] = { - { .compatible = "ingenic,jz4770-phy", .data = &jz4770_soc_info }, - { .compatible = "ingenic,jz4780-phy", .data = &jz4780_soc_info }, - { .compatible = "ingenic,x1000-phy", .data = &x1000_soc_info }, - { .compatible = "ingenic,x1830-phy", .data = &x1830_soc_info }, - { /* sentinel */ } -}; -MODULE_DEVICE_TABLE(of, ingenic_usb_phy_of_matches); - -static int jz4770_phy_probe(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct jz4770_phy *priv; - int err; - - priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - - priv->soc_info = device_get_match_data(&pdev->dev); - if (!priv->soc_info) { - dev_err(&pdev->dev, "Error: No device match found\n"); - return -ENODEV; - } - - platform_set_drvdata(pdev, priv); - priv->dev = dev; - priv->phy.dev = dev; - priv->phy.otg = &priv->otg; - priv->phy.label = "ingenic-usb-phy"; - priv->phy.init = ingenic_usb_phy_init; - priv->phy.shutdown = ingenic_usb_phy_shutdown; - - priv->otg.state = OTG_STATE_UNDEFINED; - priv->otg.usb_phy = &priv->phy; - priv->otg.set_host = ingenic_usb_phy_set_host; - priv->otg.set_peripheral = ingenic_usb_phy_set_peripheral; - - priv->base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(priv->base)) { - dev_err(dev, "Failed to map registers\n"); - return PTR_ERR(priv->base); - } - - priv->clk = devm_clk_get(dev, NULL); - if (IS_ERR(priv->clk)) - return dev_err_probe(dev, PTR_ERR(priv->clk), - "Failed to get clock\n"); - - priv->vcc_supply = devm_regulator_get(dev, "vcc"); - if (IS_ERR(priv->vcc_supply)) - return dev_err_probe(dev, PTR_ERR(priv->vcc_supply), - "Failed to get regulator\n"); - - err = usb_add_phy(&priv->phy, USB_PHY_TYPE_USB2); - if (err) - return dev_err_probe(dev, err, "Unable to register PHY\n"); - - return devm_add_action_or_reset(dev, ingenic_usb_phy_remove, &priv->phy); -} - -static struct platform_driver ingenic_phy_driver = { - .probe = jz4770_phy_probe, - .driver = { - .name = "jz4770-phy", - .of_match_table = ingenic_usb_phy_of_matches, - }, -}; -module_platform_driver(ingenic_phy_driver); - -MODULE_AUTHOR("周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>"); -MODULE_AUTHOR("漆鹏振 (Qi Pengzhen) <aric.pzqi@ingenic.com>"); -MODULE_AUTHOR("Paul Cercueil <paul@crapouillou.net>"); -MODULE_DESCRIPTION("Ingenic SoCs USB PHY driver"); -MODULE_LICENSE("GPL"); |