USB: PHY: JZ4770: Add support for new Ingenic SoCs.
Add support for probing the phy-jz4770 driver on the JZ4780 SoC, the X1000 SoC and the X1830 SoC from Ingenic. Tested-by: 周正 (Zhou Zheng) <sernia.zhou@foxmail.com> Co-developed-by: 漆鹏振 (Qi Pengzhen) <aric.pzqi@ingenic.com> Signed-off-by: 漆鹏振 (Qi Pengzhen) <aric.pzqi@ingenic.com> Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>
This commit is contained in:
周琰杰 (Zhou Yanjie)
Felipe Balbi
parent
6e5478aeb3
commit
2a6c0b82e6
|
|
@ -185,11 +185,11 @@ config USB_ULPI_VIEWPORT
|
|||
controllers with a viewport register (e.g. Chipidea/ARC controllers).
|
||||
|
||||
config JZ4770_PHY
|
||||
tristate "Ingenic JZ4770 Transceiver Driver"
|
||||
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 JZ4770 SoC from Ingenic.
|
||||
on the JZ-series and X-series SoCs from Ingenic.
|
||||
|
||||
endmenu
|
||||
|
|
|
|||
|
|
@ -1,7 +1,9 @@
|
|||
// SPDX-License-Identifier: GPL-2.0
|
||||
/*
|
||||
* Ingenic JZ4770 USB PHY driver
|
||||
* 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>
|
||||
|
|
@ -12,12 +14,13 @@
|
|||
#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
|
||||
|
||||
/* USBPCR */
|
||||
/* bits within the USBPCR register */
|
||||
#define USBPCR_USB_MODE BIT(31)
|
||||
#define USBPCR_AVLD_REG BIT(30)
|
||||
#define USBPCR_COMMONONN BIT(25)
|
||||
|
|
@ -44,11 +47,21 @@
|
|||
|
||||
#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)
|
||||
|
|
@ -56,14 +69,40 @@
|
|||
|
||||
#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)
|
||||
|
||||
/* USBRDT */
|
||||
/* 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;
|
||||
|
|
@ -82,12 +121,18 @@ static inline struct jz4770_phy *phy_to_jz4770_phy(struct usb_phy *phy)
|
|||
return container_of(phy, struct jz4770_phy, phy);
|
||||
}
|
||||
|
||||
static int jz4770_phy_set_peripheral(struct usb_otg *otg,
|
||||
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;
|
||||
|
|
@ -96,7 +141,7 @@ static int jz4770_phy_set_peripheral(struct usb_otg *otg,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int jz4770_phy_set_host(struct usb_otg *otg, struct usb_bus *host)
|
||||
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;
|
||||
|
|
@ -109,7 +154,7 @@ static int jz4770_phy_set_host(struct usb_otg *otg, struct usb_bus *host)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int jz4770_phy_init(struct usb_phy *phy)
|
||||
static int ingenic_usb_phy_init(struct usb_phy *phy)
|
||||
{
|
||||
struct jz4770_phy *priv = phy_to_jz4770_phy(phy);
|
||||
int err;
|
||||
|
|
@ -127,11 +172,7 @@ static int jz4770_phy_init(struct usb_phy *phy)
|
|||
return err;
|
||||
}
|
||||
|
||||
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);
|
||||
priv->soc_info->usb_phy_init(phy);
|
||||
|
||||
/* Wait for PHY to reset */
|
||||
usleep_range(30, 300);
|
||||
|
|
@ -141,7 +182,7 @@ static int jz4770_phy_init(struct usb_phy *phy)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static void jz4770_phy_shutdown(struct usb_phy *phy)
|
||||
static void ingenic_usb_phy_shutdown(struct usb_phy *phy)
|
||||
{
|
||||
struct jz4770_phy *priv = phy_to_jz4770_phy(phy);
|
||||
|
||||
|
|
@ -149,11 +190,100 @@ static void jz4770_phy_shutdown(struct usb_phy *phy)
|
|||
regulator_disable(priv->vcc_supply);
|
||||
}
|
||||
|
||||
static void jz4770_phy_remove(void *phy)
|
||||
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;
|
||||
|
|
@ -164,18 +294,24 @@ static int jz4770_phy_probe(struct platform_device *pdev)
|
|||
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 = "jz4770-phy";
|
||||
priv->phy.init = jz4770_phy_init;
|
||||
priv->phy.shutdown = jz4770_phy_shutdown;
|
||||
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 = jz4770_phy_set_host;
|
||||
priv->otg.set_peripheral = jz4770_phy_set_peripheral;
|
||||
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)) {
|
||||
|
|
@ -206,26 +342,20 @@ static int jz4770_phy_probe(struct platform_device *pdev)
|
|||
return err;
|
||||
}
|
||||
|
||||
return devm_add_action_or_reset(dev, jz4770_phy_remove, &priv->phy);
|
||||
return devm_add_action_or_reset(dev, ingenic_usb_phy_remove, &priv->phy);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_OF
|
||||
static const struct of_device_id jz4770_phy_of_matches[] = {
|
||||
{ .compatible = "ingenic,jz4770-phy" },
|
||||
{ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, jz4770_phy_of_matches);
|
||||
#endif
|
||||
|
||||
static struct platform_driver jz4770_phy_driver = {
|
||||
static struct platform_driver ingenic_phy_driver = {
|
||||
.probe = jz4770_phy_probe,
|
||||
.driver = {
|
||||
.name = "jz4770-phy",
|
||||
.of_match_table = of_match_ptr(jz4770_phy_of_matches),
|
||||
.of_match_table = of_match_ptr(ingenic_usb_phy_of_matches),
|
||||
},
|
||||
};
|
||||
module_platform_driver(jz4770_phy_driver);
|
||||
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 JZ4770 USB PHY driver");
|
||||
MODULE_DESCRIPTION("Ingenic SoCs USB PHY driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
|
|
|||
Loading…
Reference in New Issue