提交 4f8c483a 编写于 作者: G Greg Kroah-Hartman

Merge tag 'phy-for-4.11' of...

Merge tag 'phy-for-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next

Kishon writes:

phy: for 4.11

 *) Add USB HSIC and HS phy driver for Qualcomm's SoC
 *) Add USB3 PHY driver for Broadcom NSP SoC
 *) Make sun4i-usb-phy driver to be used for V3s USB PHY
 *) Misc fixes and cleanups
Signed-off-by: NKishon Vijay Abraham I <kishon@ti.com>
Broadcom USB3 phy binding for northstar plus SoC
The USB3 phy is internal to the SoC and is accessed using mdio interface.
Required mdio bus properties:
- reg: Should be 0x0 for SoC internal USB3 phy
- #address-cells: must be 1
- #size-cells: must be 0
Required USB3 PHY properties:
- compatible: should be "brcm,nsp-usb3-phy"
- reg: USB3 Phy address on SoC internal MDIO bus and it should be 0x10.
- usb3-ctrl-syscon: handler of syscon node defining physical address
of usb3 control register.
- #phy-cells: must be 0
Required usb3 control properties:
- compatible: should be "brcm,nsp-usb3-ctrl"
- reg: offset and length of the control registers
Example:
mdio@0 {
reg = <0x0>;
#address-cells = <1>;
#size-cells = <0>;
usb3_phy: usb-phy@10 {
compatible = "brcm,nsp-usb3-phy";
reg = <0x10>;
usb3-ctrl-syscon = <&usb3_ctrl>;
#phy-cells = <0>;
status = "disabled";
};
};
usb3_ctrl: syscon@104408 {
compatible = "brcm,nsp-usb3-ctrl", "syscon";
reg = <0x104408 0x3fc>;
};
Qualcomm's USB HS PHY
PROPERTIES
- compatible:
Usage: required
Value type: <string>
Definition: Should contain "qcom,usb-hs-phy" and more specifically one of the
following:
"qcom,usb-hs-phy-apq8064"
"qcom,usb-hs-phy-msm8916"
"qcom,usb-hs-phy-msm8974"
- #phy-cells:
Usage: required
Value type: <u32>
Definition: Should contain 0
- clocks:
Usage: required
Value type: <prop-encoded-array>
Definition: Should contain clock specifier for the reference and sleep
clocks
- clock-names:
Usage: required
Value type: <stringlist>
Definition: Should contain "ref" and "sleep" for the reference and sleep
clocks respectively
- resets:
Usage: required
Value type: <prop-encoded-array>
Definition: Should contain the phy and POR resets
- reset-names:
Usage: required
Value type: <stringlist>
Definition: Should contain "phy" and "por" for the phy and POR resets
respectively
- v3p3-supply:
Usage: required
Value type: <phandle>
Definition: Should contain a reference to the 3.3V supply
- v1p8-supply:
Usage: required
Value type: <phandle>
Definition: Should contain a reference to the 1.8V supply
- extcon:
Usage: optional
Value type: <prop-encoded-array>
Definition: Should contain the vbus extcon
- qcom,init-seq:
Usage: optional
Value type: <u8 array>
Definition: Should contain a sequence of ULPI address and value pairs to
program into the ULPI_EXT_VENDOR_SPECIFIC area. This is related
to Device Mode Eye Diagram test. The addresses are offsets
from the ULPI_EXT_VENDOR_SPECIFIC address, for example,
<0x1 0x53> would mean "write the value 0x53 to address 0x81".
EXAMPLE
otg: usb-controller {
ulpi {
phy {
compatible = "qcom,usb-hs-phy-msm8974", "qcom,usb-hs-phy";
#phy-cells = <0>;
clocks = <&xo_board>, <&gcc GCC_USB2A_PHY_SLEEP_CLK>;
clock-names = "ref", "sleep";
resets = <&gcc GCC_USB2A_PHY_BCR>, <&otg 0>;
reset-names = "phy", "por";
v3p3-supply = <&pm8941_l24>;
v1p8-supply = <&pm8941_l6>;
extcon = <&smbb>;
qcom,init-seq = /bits/ 8 <0x1 0x63>;
};
};
};
Qualcomm's USB HSIC PHY
PROPERTIES
- compatible:
Usage: required
Value type: <string>
Definition: Should contain "qcom,usb-hsic-phy" and more specifically one of the
following:
"qcom,usb-hsic-phy-mdm9615"
"qcom,usb-hsic-phy-msm8974"
- #phy-cells:
Usage: required
Value type: <u32>
Definition: Should contain 0
- clocks:
Usage: required
Value type: <prop-encoded-array>
Definition: Should contain clock specifier for phy, calibration and
a calibration sleep clock
- clock-names:
Usage: required
Value type: <stringlist>
Definition: Should contain "phy, "cal" and "cal_sleep"
- pinctrl-names:
Usage: required
Value type: <stringlist>
Definition: Should contain "init" and "default" in that order
- pinctrl-0:
Usage: required
Value type: <prop-encoded-array>
Definition: List of pinctrl settings to apply to keep HSIC pins in a glitch
free state
- pinctrl-1:
Usage: required
Value type: <prop-encoded-array>
Definition: List of pinctrl settings to apply to mux out the HSIC pins
EXAMPLE
usb-controller {
ulpi {
phy {
compatible = "qcom,usb-hsic-phy-msm8974",
"qcom,usb-hsic-phy";
#phy-cells = <0>;
pinctrl-names = "init", "default";
pinctrl-0 = <&hsic_sleep>;
pinctrl-1 = <&hsic_default>;
clocks = <&gcc GCC_USB_HSIC_CLK>,
<&gcc GCC_USB_HSIC_IO_CAL_CLK>,
<&gcc GCC_USB_HSIC_IO_CAL_SLEEP_CLK>;
clock-names = "phy", "cal", "cal_sleep";
assigned-clocks = <&gcc GCC_USB_HSIC_IO_CAL_CLK>;
assigned-clock-rates = <960000>;
};
};
};
......@@ -10,6 +10,7 @@ Required properties:
* allwinner,sun8i-a23-usb-phy
* allwinner,sun8i-a33-usb-phy
* allwinner,sun8i-h3-usb-phy
* allwinner,sun8i-v3s-usb-phy
* allwinner,sun50i-a64-usb-phy
- reg : a list of offset + length pairs
- reg-names :
......
......@@ -29,7 +29,6 @@ Optional properties:
- vdda-pll-max-microamp : specifies max. load that can be drawn from pll supply
- vddp-ref-clk-supply : phandle to UFS device ref_clk pad power supply
- vddp-ref-clk-max-microamp : specifies max. load that can be drawn from this supply
- vddp-ref-clk-always-on : specifies if this supply needs to be kept always on
Example:
......
......@@ -363,6 +363,7 @@ config PHY_ROCKCHIP_INNO_USB2
tristate "Rockchip INNO USB2PHY Driver"
depends on (ARCH_ROCKCHIP || COMPILE_TEST) && OF
depends on COMMON_CLK
depends on EXTCON
depends on USB_SUPPORT
select GENERIC_PHY
select USB_COMMON
......@@ -437,6 +438,21 @@ config PHY_QCOM_UFS
help
Support for UFS PHY on QCOM chipsets.
config PHY_QCOM_USB_HS
tristate "Qualcomm USB HS PHY module"
depends on USB_ULPI_BUS
select GENERIC_PHY
help
Support for the USB high-speed ULPI compliant phy on Qualcomm
chipsets.
config PHY_QCOM_USB_HSIC
tristate "Qualcomm USB HSIC ULPI PHY module"
depends on USB_ULPI_BUS
select GENERIC_PHY
help
Support for the USB HSIC ULPI compliant PHY on QCOM chipsets.
config PHY_TUSB1210
tristate "TI TUSB1210 ULPI PHY module"
depends on USB_ULPI_BUS
......@@ -486,4 +502,12 @@ config PHY_MESON8B_USB2
and GXBB SoCs.
If unsure, say N.
config PHY_NSP_USB3
tristate "Broadcom NorthStar plus USB3 PHY driver"
depends on OF && (ARCH_BCM_NSP || COMPILE_TEST)
select GENERIC_PHY
default ARCH_BCM_NSP
help
Enable this to support the Broadcom Northstar plus USB3 PHY.
If unsure, say N.
endmenu
......@@ -52,6 +52,8 @@ obj-$(CONFIG_PHY_STIH407_USB) += phy-stih407-usb.o
obj-$(CONFIG_PHY_QCOM_UFS) += phy-qcom-ufs.o
obj-$(CONFIG_PHY_QCOM_UFS) += phy-qcom-ufs-qmp-20nm.o
obj-$(CONFIG_PHY_QCOM_UFS) += phy-qcom-ufs-qmp-14nm.o
obj-$(CONFIG_PHY_QCOM_USB_HS) += phy-qcom-usb-hs.o
obj-$(CONFIG_PHY_QCOM_USB_HSIC) += phy-qcom-usb-hsic.o
obj-$(CONFIG_PHY_TUSB1210) += phy-tusb1210.o
obj-$(CONFIG_PHY_BRCM_SATA) += phy-brcm-sata.o
obj-$(CONFIG_PHY_PISTACHIO_USB) += phy-pistachio-usb.o
......@@ -59,3 +61,4 @@ obj-$(CONFIG_PHY_CYGNUS_PCIE) += phy-bcm-cygnus-pcie.o
obj-$(CONFIG_ARCH_TEGRA) += tegra/
obj-$(CONFIG_PHY_NS2_PCIE) += phy-bcm-ns2-pcie.o
obj-$(CONFIG_PHY_MESON8B_USB2) += phy-meson8b-usb2.o
obj-$(CONFIG_PHY_NSP_USB3) += phy-bcm-nsp-usb3.o
......@@ -114,7 +114,7 @@ static int cygnus_pcie_phy_power_off(struct phy *p)
return cygnus_pcie_power_config(phy, false);
}
static struct phy_ops cygnus_pcie_phy_ops = {
static const struct phy_ops cygnus_pcie_phy_ops = {
.power_on = cygnus_pcie_phy_power_on,
.power_off = cygnus_pcie_phy_power_off,
.owner = THIS_MODULE,
......
/*
* Copyright (C) 2016 Broadcom
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation version 2.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
* kind, whether express or implied; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/mfd/syscon.h>
#include <linux/mdio.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/phy/phy.h>
#include <linux/regmap.h>
#define NSP_USB3_RST_CTRL_OFFSET 0x3f8
/* mdio reg access */
#define NSP_USB3_PHY_BASE_ADDR_REG 0x1f
#define NSP_USB3_PHY_PLL30_BLOCK 0x8000
#define NSP_USB3_PLL_CONTROL 0x01
#define NSP_USB3_PLLA_CONTROL0 0x0a
#define NSP_USB3_PLLA_CONTROL1 0x0b
#define NSP_USB3_PHY_TX_PMD_BLOCK 0x8040
#define NSP_USB3_TX_PMD_CONTROL1 0x01
#define NSP_USB3_PHY_PIPE_BLOCK 0x8060
#define NSP_USB3_LFPS_CMP 0x02
#define NSP_USB3_LFPS_DEGLITCH 0x03
struct nsp_usb3_phy {
struct regmap *usb3_ctrl;
struct phy *phy;
struct mdio_device *mdiodev;
};
static int nsp_usb3_phy_init(struct phy *phy)
{
struct nsp_usb3_phy *iphy = phy_get_drvdata(phy);
struct mii_bus *bus = iphy->mdiodev->bus;
int addr = iphy->mdiodev->addr;
u32 data;
int rc;
rc = regmap_read(iphy->usb3_ctrl, 0, &data);
if (rc)
return rc;
data |= 1;
rc = regmap_write(iphy->usb3_ctrl, 0, data);
if (rc)
return rc;
rc = regmap_write(iphy->usb3_ctrl, NSP_USB3_RST_CTRL_OFFSET, 1);
if (rc)
return rc;
rc = mdiobus_write(bus, addr, NSP_USB3_PHY_BASE_ADDR_REG,
NSP_USB3_PHY_PLL30_BLOCK);
if (rc)
return rc;
rc = mdiobus_write(bus, addr, NSP_USB3_PLL_CONTROL, 0x1000);
if (rc)
return rc;
rc = mdiobus_write(bus, addr, NSP_USB3_PLLA_CONTROL0, 0x6400);
if (rc)
return rc;
rc = mdiobus_write(bus, addr, NSP_USB3_PLLA_CONTROL1, 0xc000);
if (rc)
return rc;
rc = mdiobus_write(bus, addr, NSP_USB3_PLLA_CONTROL1, 0x8000);
if (rc)
return rc;
rc = regmap_write(iphy->usb3_ctrl, NSP_USB3_RST_CTRL_OFFSET, 0);
if (rc)
return rc;
rc = mdiobus_write(bus, addr, NSP_USB3_PLL_CONTROL, 0x9000);
if (rc)
return rc;
rc = mdiobus_write(bus, addr, NSP_USB3_PHY_BASE_ADDR_REG,
NSP_USB3_PHY_PIPE_BLOCK);
if (rc)
return rc;
rc = mdiobus_write(bus, addr, NSP_USB3_LFPS_CMP, 0xf30d);
if (rc)
return rc;
rc = mdiobus_write(bus, addr, NSP_USB3_LFPS_DEGLITCH, 0x6302);
if (rc)
return rc;
rc = mdiobus_write(bus, addr, NSP_USB3_PHY_BASE_ADDR_REG,
NSP_USB3_PHY_TX_PMD_BLOCK);
if (rc)
return rc;
rc = mdiobus_write(bus, addr, NSP_USB3_TX_PMD_CONTROL1, 0x1003);
return rc;
}
static struct phy_ops nsp_usb3_phy_ops = {
.init = nsp_usb3_phy_init,
.owner = THIS_MODULE,
};
static int nsp_usb3_phy_probe(struct mdio_device *mdiodev)
{
struct device *dev = &mdiodev->dev;
struct phy_provider *provider;
struct nsp_usb3_phy *iphy;
iphy = devm_kzalloc(dev, sizeof(*iphy), GFP_KERNEL);
if (!iphy)
return -ENOMEM;
iphy->mdiodev = mdiodev;
iphy->usb3_ctrl = syscon_regmap_lookup_by_phandle(dev->of_node,
"usb3-ctrl-syscon");
if (IS_ERR(iphy->usb3_ctrl))
return PTR_ERR(iphy->usb3_ctrl);
iphy->phy = devm_phy_create(dev, dev->of_node, &nsp_usb3_phy_ops);
if (IS_ERR(iphy->phy)) {
dev_err(dev, "failed to create PHY\n");
return PTR_ERR(iphy->phy);
}
phy_set_drvdata(iphy->phy, iphy);
provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
if (IS_ERR(provider)) {
dev_err(dev, "could not register PHY provider\n");
return PTR_ERR(provider);
}
return 0;
}
static const struct of_device_id nsp_usb3_phy_of_match[] = {
{.compatible = "brcm,nsp-usb3-phy",},
{ /* sentinel */ }
};
static struct mdio_driver nsp_usb3_phy_driver = {
.mdiodrv = {
.driver = {
.name = "nsp-usb3-phy",
.of_match_table = nsp_usb3_phy_of_match,
},
},
.probe = nsp_usb3_phy_probe,
};
mdio_module_driver(nsp_usb3_phy_driver);
MODULE_DESCRIPTION("Broadcom NSP USB3 PHY driver");
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Yendapally Reddy Dhananjaya Reddy <yendapally.reddy@broadcom.com");
......@@ -112,7 +112,7 @@ static int hi6220_phy_exit(struct phy *phy)
return hi6220_phy_setup(priv, false);
}
static struct phy_ops hi6220_phy_ops = {
static const struct phy_ops hi6220_phy_ops = {
.init = hi6220_phy_start,
.exit = hi6220_phy_exit,
.owner = THIS_MODULE,
......
......@@ -506,7 +506,7 @@ static struct phy *mt65xx_phy_xlate(struct device *dev,
return instance->phy;
}
static struct phy_ops mt65xx_u3phy_ops = {
static const struct phy_ops mt65xx_u3phy_ops = {
.init = mt65xx_phy_init,
.exit = mt65xx_phy_exit,
.power_on = mt65xx_phy_power_on,
......
......@@ -77,7 +77,6 @@ struct ufs_qcom_phy_vreg {
int min_uV;
int max_uV;
bool enabled;
bool is_always_on;
};
struct ufs_qcom_phy {
......
......@@ -132,27 +132,18 @@ static int ufs_qcom_phy_qmp_14nm_probe(struct platform_device *pdev)
&ufs_qcom_phy_qmp_14nm_phy_ops, &phy_14nm_ops);
if (!generic_phy) {
dev_err(dev, "%s: ufs_qcom_phy_generic_probe() failed\n",
__func__);
err = -EIO;
goto out;
}
err = ufs_qcom_phy_init_clks(phy_common);
if (err) {
dev_err(phy_common->dev,
"%s: ufs_qcom_phy_init_clks() failed %d\n",
__func__, err);
if (err)
goto out;
}
err = ufs_qcom_phy_init_vregulators(phy_common);
if (err) {
dev_err(phy_common->dev,
"%s: ufs_qcom_phy_init_vregulators() failed %d\n",
__func__, err);
if (err)
goto out;
}
phy_common->vdda_phy.max_uV = UFS_PHY_VDDA_PHY_UV;
phy_common->vdda_phy.min_uV = UFS_PHY_VDDA_PHY_UV;
......
......@@ -190,25 +190,17 @@ static int ufs_qcom_phy_qmp_20nm_probe(struct platform_device *pdev)
&ufs_qcom_phy_qmp_20nm_phy_ops, &phy_20nm_ops);
if (!generic_phy) {
dev_err(dev, "%s: ufs_qcom_phy_generic_probe() failed\n",
__func__);
err = -EIO;
goto out;
}
err = ufs_qcom_phy_init_clks(phy_common);
if (err) {
dev_err(phy_common->dev, "%s: ufs_qcom_phy_init_clks() failed %d\n",
__func__, err);
if (err)
goto out;
}
err = ufs_qcom_phy_init_vregulators(phy_common);
if (err) {
dev_err(phy_common->dev, "%s: ufs_qcom_phy_init_vregulators() failed %d\n",
__func__, err);
if (err)
goto out;
}
ufs_qcom_phy_qmp_20nm_advertise_quirks(phy_common);
......
......@@ -189,12 +189,12 @@ int ufs_qcom_phy_init_clks(struct ufs_qcom_phy *phy_common)
if (err)
goto out;
skip_txrx_clk:
err = ufs_qcom_phy_clk_get(phy_common->dev, "ref_clk_src",
&phy_common->ref_clk_src);
if (err)
goto out;
skip_txrx_clk:
/*
* "ref_clk_parent" is optional hence don't abort init if it's not
* found.
......@@ -210,25 +210,19 @@ int ufs_qcom_phy_init_clks(struct ufs_qcom_phy *phy_common)
}
EXPORT_SYMBOL_GPL(ufs_qcom_phy_init_clks);
static int __ufs_qcom_phy_init_vreg(struct device *dev,
struct ufs_qcom_phy_vreg *vreg, const char *name, bool optional)
static int ufs_qcom_phy_init_vreg(struct device *dev,
struct ufs_qcom_phy_vreg *vreg,
const char *name)
{
int err = 0;
char prop_name[MAX_PROP_NAME];
vreg->name = devm_kstrdup(dev, name, GFP_KERNEL);
if (!vreg->name) {
err = -ENOMEM;
goto out;
}
vreg->name = name;
vreg->reg = devm_regulator_get(dev, name);
if (IS_ERR(vreg->reg)) {
err = PTR_ERR(vreg->reg);
vreg->reg = NULL;
if (!optional)
dev_err(dev, "failed to get %s, %d\n", name, err);
dev_err(dev, "failed to get %s, %d\n", name, err);
goto out;
}
......@@ -248,9 +242,6 @@ static int __ufs_qcom_phy_init_vreg(struct device *dev,
}
err = 0;
}
snprintf(prop_name, MAX_PROP_NAME, "%s-always-on", name);
vreg->is_always_on = of_property_read_bool(dev->of_node,
prop_name);
}
if (!strcmp(name, "vdda-pll")) {
......@@ -265,17 +256,9 @@ static int __ufs_qcom_phy_init_vreg(struct device *dev,
}
out:
if (err)
kfree(vreg->name);
return err;
}
static int ufs_qcom_phy_init_vreg(struct device *dev,
struct ufs_qcom_phy_vreg *vreg, const char *name)
{
return __ufs_qcom_phy_init_vreg(dev, vreg, name, false);
}
int ufs_qcom_phy_init_vregulators(struct ufs_qcom_phy *phy_common)
{
int err;
......@@ -291,9 +274,9 @@ int ufs_qcom_phy_init_vregulators(struct ufs_qcom_phy *phy_common)
if (err)
goto out;
/* vddp-ref-clk-* properties are optional */
__ufs_qcom_phy_init_vreg(phy_common->dev, &phy_common->vddp_ref_clk,
"vddp-ref-clk", true);
err = ufs_qcom_phy_init_vreg(phy_common->dev, &phy_common->vddp_ref_clk,
"vddp-ref-clk");
out:
return err;
}
......@@ -416,7 +399,7 @@ static int ufs_qcom_phy_disable_vreg(struct device *dev,
{
int ret = 0;
if (!vreg || !vreg->enabled || vreg->is_always_on)
if (!vreg || !vreg->enabled)
goto out;
ret = regulator_disable(vreg->reg);
......
/**
* Copyright (C) 2016 Linaro Ltd
*
* 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/module.h>
#include <linux/ulpi/driver.h>
#include <linux/ulpi/regs.h>
#include <linux/clk.h>
#include <linux/regulator/consumer.h>
#include <linux/of_device.h>
#include <linux/reset.h>
#include <linux/extcon.h>
#include <linux/notifier.h>
#include "ulpi_phy.h"
#define ULPI_PWR_CLK_MNG_REG 0x88
# define ULPI_PWR_OTG_COMP_DISABLE BIT(0)
#define ULPI_MISC_A 0x96
# define ULPI_MISC_A_VBUSVLDEXTSEL BIT(1)
# define ULPI_MISC_A_VBUSVLDEXT BIT(0)
struct ulpi_seq {
u8 addr;
u8 val;
};
struct qcom_usb_hs_phy {
struct ulpi *ulpi;
struct phy *phy;
struct clk *ref_clk;
struct clk *sleep_clk;
struct regulator *v1p8;
struct regulator *v3p3;
struct reset_control *reset;
struct ulpi_seq *init_seq;
struct extcon_dev *vbus_edev;
struct notifier_block vbus_notify;
};
static int qcom_usb_hs_phy_set_mode(struct phy *phy, enum phy_mode mode)
{
struct qcom_usb_hs_phy *uphy = phy_get_drvdata(phy);
u8 addr;
int ret;
if (!uphy->vbus_edev) {
u8 val = 0;
switch (mode) {
case PHY_MODE_USB_OTG:
case PHY_MODE_USB_HOST:
val |= ULPI_INT_IDGRD;
case PHY_MODE_USB_DEVICE:
val |= ULPI_INT_SESS_VALID;
default:
break;
}
ret = ulpi_write(uphy->ulpi, ULPI_USB_INT_EN_RISE, val);
if (ret)
return ret;
ret = ulpi_write(uphy->ulpi, ULPI_USB_INT_EN_FALL, val);
} else {
switch (mode) {
case PHY_MODE_USB_OTG:
case PHY_MODE_USB_DEVICE:
addr = ULPI_SET(ULPI_MISC_A);
break;
case PHY_MODE_USB_HOST:
addr = ULPI_CLR(ULPI_MISC_A);
break;
default:
return -EINVAL;
}
ret = ulpi_write(uphy->ulpi, ULPI_SET(ULPI_PWR_CLK_MNG_REG),
ULPI_PWR_OTG_COMP_DISABLE);
if (ret)
return ret;
ret = ulpi_write(uphy->ulpi, addr, ULPI_MISC_A_VBUSVLDEXTSEL);
}
return ret;
}
static int
qcom_usb_hs_phy_vbus_notifier(struct notifier_block *nb, unsigned long event,
void *ptr)
{
struct qcom_usb_hs_phy *uphy;
u8 addr;
uphy = container_of(nb, struct qcom_usb_hs_phy, vbus_notify);
if (event)
addr = ULPI_SET(ULPI_MISC_A);
else
addr = ULPI_CLR(ULPI_MISC_A);
return ulpi_write(uphy->ulpi, addr, ULPI_MISC_A_VBUSVLDEXT);
}
static int qcom_usb_hs_phy_power_on(struct phy *phy)
{
struct qcom_usb_hs_phy *uphy = phy_get_drvdata(phy);
struct ulpi *ulpi = uphy->ulpi;
const struct ulpi_seq *seq;
int ret, state;
ret = clk_prepare_enable(uphy->ref_clk);
if (ret)
return ret;
ret = clk_prepare_enable(uphy->sleep_clk);
if (ret)
goto err_sleep;
ret = regulator_set_load(uphy->v1p8, 50000);
if (ret < 0)
goto err_1p8;
ret = regulator_enable(uphy->v1p8);
if (ret)
goto err_1p8;
ret = regulator_set_voltage_triplet(uphy->v3p3, 3050000, 3300000,
3300000);
if (ret)
goto err_3p3;
ret = regulator_set_load(uphy->v3p3, 50000);
if (ret < 0)
goto err_3p3;
ret = regulator_enable(uphy->v3p3);
if (ret)
goto err_3p3;
for (seq = uphy->init_seq; seq->addr; seq++) {
ret = ulpi_write(ulpi, ULPI_EXT_VENDOR_SPECIFIC + seq->addr,
seq->val);
if (ret)
goto err_ulpi;
}
if (uphy->reset) {
ret = reset_control_reset(uphy->reset);
if (ret)
goto err_ulpi;
}
if (uphy->vbus_edev) {
state = extcon_get_cable_state_(uphy->vbus_edev, EXTCON_USB);
/* setup initial state */
qcom_usb_hs_phy_vbus_notifier(&uphy->vbus_notify, state,
uphy->vbus_edev);
ret = extcon_register_notifier(uphy->vbus_edev, EXTCON_USB,
&uphy->vbus_notify);
if (ret)
goto err_ulpi;
}
return 0;
err_ulpi:
regulator_disable(uphy->v3p3);
err_3p3:
regulator_disable(uphy->v1p8);
err_1p8:
clk_disable_unprepare(uphy->sleep_clk);
err_sleep:
clk_disable_unprepare(uphy->ref_clk);
return ret;
}
static int qcom_usb_hs_phy_power_off(struct phy *phy)
{
int ret;
struct qcom_usb_hs_phy *uphy = phy_get_drvdata(phy);
if (uphy->vbus_edev) {
ret = extcon_unregister_notifier(uphy->vbus_edev, EXTCON_USB,
&uphy->vbus_notify);
if (ret)
return ret;
}
regulator_disable(uphy->v3p3);
regulator_disable(uphy->v1p8);
clk_disable_unprepare(uphy->sleep_clk);
clk_disable_unprepare(uphy->ref_clk);
return 0;
}
static const struct phy_ops qcom_usb_hs_phy_ops = {
.power_on = qcom_usb_hs_phy_power_on,
.power_off = qcom_usb_hs_phy_power_off,
.set_mode = qcom_usb_hs_phy_set_mode,
.owner = THIS_MODULE,
};
static int qcom_usb_hs_phy_probe(struct ulpi *ulpi)
{
struct qcom_usb_hs_phy *uphy;
struct phy_provider *p;
struct clk *clk;
struct regulator *reg;
struct reset_control *reset;
int size;
int ret;
uphy = devm_kzalloc(&ulpi->dev, sizeof(*uphy), GFP_KERNEL);
if (!uphy)
return -ENOMEM;
ulpi_set_drvdata(ulpi, uphy);
uphy->ulpi = ulpi;
size = of_property_count_u8_elems(ulpi->dev.of_node, "qcom,init-seq");
if (size < 0)
size = 0;
uphy->init_seq = devm_kmalloc_array(&ulpi->dev, (size / 2) + 1,
sizeof(*uphy->init_seq), GFP_KERNEL);
if (!uphy->init_seq)
return -ENOMEM;
ret = of_property_read_u8_array(ulpi->dev.of_node, "qcom,init-seq",
(u8 *)uphy->init_seq, size);
if (ret && size)
return ret;
/* NUL terminate */
uphy->init_seq[size / 2].addr = uphy->init_seq[size / 2].val = 0;
uphy->ref_clk = clk = devm_clk_get(&ulpi->dev, "ref");
if (IS_ERR(clk))
return PTR_ERR(clk);
uphy->sleep_clk = clk = devm_clk_get(&ulpi->dev, "sleep");
if (IS_ERR(clk))
return PTR_ERR(clk);
uphy->v1p8 = reg = devm_regulator_get(&ulpi->dev, "v1p8");
if (IS_ERR(reg))
return PTR_ERR(reg);
uphy->v3p3 = reg = devm_regulator_get(&ulpi->dev, "v3p3");
if (IS_ERR(reg))
return PTR_ERR(reg);
uphy->reset = reset = devm_reset_control_get(&ulpi->dev, "por");
if (IS_ERR(reset)) {
if (PTR_ERR(reset) == -EPROBE_DEFER)
return PTR_ERR(reset);
uphy->reset = NULL;
}
uphy->phy = devm_phy_create(&ulpi->dev, ulpi->dev.of_node,
&qcom_usb_hs_phy_ops);
if (IS_ERR(uphy->phy))
return PTR_ERR(uphy->phy);
uphy->vbus_edev = extcon_get_edev_by_phandle(&ulpi->dev, 0);
if (IS_ERR(uphy->vbus_edev)) {
if (PTR_ERR(uphy->vbus_edev) != -ENODEV)
return PTR_ERR(uphy->vbus_edev);
uphy->vbus_edev = NULL;
}
uphy->vbus_notify.notifier_call = qcom_usb_hs_phy_vbus_notifier;
phy_set_drvdata(uphy->phy, uphy);
p = devm_of_phy_provider_register(&ulpi->dev, of_phy_simple_xlate);
return PTR_ERR_OR_ZERO(p);
}
static const struct of_device_id qcom_usb_hs_phy_match[] = {
{ .compatible = "qcom,usb-hs-phy", },
{ }
};
MODULE_DEVICE_TABLE(of, qcom_usb_hs_phy_match);
static struct ulpi_driver qcom_usb_hs_phy_driver = {
.probe = qcom_usb_hs_phy_probe,
.driver = {
.name = "qcom_usb_hs_phy",
.of_match_table = qcom_usb_hs_phy_match,
},
};
module_ulpi_driver(qcom_usb_hs_phy_driver);
MODULE_DESCRIPTION("Qualcomm USB HS phy");
MODULE_LICENSE("GPL v2");
/**
* Copyright (C) 2016 Linaro Ltd
*
* 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/module.h>
#include <linux/ulpi/driver.h>
#include <linux/ulpi/regs.h>
#include <linux/pinctrl/consumer.h>
#include <linux/pinctrl/pinctrl-state.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include "ulpi_phy.h"
#define ULPI_HSIC_CFG 0x30
#define ULPI_HSIC_IO_CAL 0x33
struct qcom_usb_hsic_phy {
struct ulpi *ulpi;
struct phy *phy;
struct pinctrl *pctl;
struct clk *phy_clk;
struct clk *cal_clk;
struct clk *cal_sleep_clk;
};
static int qcom_usb_hsic_phy_power_on(struct phy *phy)
{
struct qcom_usb_hsic_phy *uphy = phy_get_drvdata(phy);
struct ulpi *ulpi = uphy->ulpi;
struct pinctrl_state *pins_default;
int ret;
ret = clk_prepare_enable(uphy->phy_clk);
if (ret)
return ret;
ret = clk_prepare_enable(uphy->cal_clk);
if (ret)
goto err_cal;
ret = clk_prepare_enable(uphy->cal_sleep_clk);
if (ret)
goto err_sleep;
/* Set periodic calibration interval to ~2.048sec in HSIC_IO_CAL_REG */
ret = ulpi_write(ulpi, ULPI_HSIC_IO_CAL, 0xff);
if (ret)
goto err_ulpi;
/* Enable periodic IO calibration in HSIC_CFG register */
ret = ulpi_write(ulpi, ULPI_HSIC_CFG, 0xa8);
if (ret)
goto err_ulpi;
/* Configure pins for HSIC functionality */
pins_default = pinctrl_lookup_state(uphy->pctl, PINCTRL_STATE_DEFAULT);
if (IS_ERR(pins_default))
return PTR_ERR(pins_default);
ret = pinctrl_select_state(uphy->pctl, pins_default);
if (ret)
goto err_ulpi;
/* Enable HSIC mode in HSIC_CFG register */
ret = ulpi_write(ulpi, ULPI_SET(ULPI_HSIC_CFG), 0x01);
if (ret)
goto err_ulpi;
/* Disable auto-resume */
ret = ulpi_write(ulpi, ULPI_CLR(ULPI_IFC_CTRL),
ULPI_IFC_CTRL_AUTORESUME);
if (ret)
goto err_ulpi;
return ret;
err_ulpi:
clk_disable_unprepare(uphy->cal_sleep_clk);
err_sleep:
clk_disable_unprepare(uphy->cal_clk);
err_cal:
clk_disable_unprepare(uphy->phy_clk);
return ret;
}
static int qcom_usb_hsic_phy_power_off(struct phy *phy)
{
struct qcom_usb_hsic_phy *uphy = phy_get_drvdata(phy);
clk_disable_unprepare(uphy->cal_sleep_clk);
clk_disable_unprepare(uphy->cal_clk);
clk_disable_unprepare(uphy->phy_clk);
return 0;
}
static const struct phy_ops qcom_usb_hsic_phy_ops = {
.power_on = qcom_usb_hsic_phy_power_on,
.power_off = qcom_usb_hsic_phy_power_off,
.owner = THIS_MODULE,
};
static int qcom_usb_hsic_phy_probe(struct ulpi *ulpi)
{
struct qcom_usb_hsic_phy *uphy;
struct phy_provider *p;
struct clk *clk;
uphy = devm_kzalloc(&ulpi->dev, sizeof(*uphy), GFP_KERNEL);
if (!uphy)
return -ENOMEM;
ulpi_set_drvdata(ulpi, uphy);
uphy->ulpi = ulpi;
uphy->pctl = devm_pinctrl_get(&ulpi->dev);
if (IS_ERR(uphy->pctl))
return PTR_ERR(uphy->pctl);
uphy->phy_clk = clk = devm_clk_get(&ulpi->dev, "phy");
if (IS_ERR(clk))
return PTR_ERR(clk);
uphy->cal_clk = clk = devm_clk_get(&ulpi->dev, "cal");
if (IS_ERR(clk))
return PTR_ERR(clk);
uphy->cal_sleep_clk = clk = devm_clk_get(&ulpi->dev, "cal_sleep");
if (IS_ERR(clk))
return PTR_ERR(clk);
uphy->phy = devm_phy_create(&ulpi->dev, ulpi->dev.of_node,
&qcom_usb_hsic_phy_ops);
if (IS_ERR(uphy->phy))
return PTR_ERR(uphy->phy);
phy_set_drvdata(uphy->phy, uphy);
p = devm_of_phy_provider_register(&ulpi->dev, of_phy_simple_xlate);
return PTR_ERR_OR_ZERO(p);
}
static const struct of_device_id qcom_usb_hsic_phy_match[] = {
{ .compatible = "qcom,usb-hsic-phy", },
{ }
};
MODULE_DEVICE_TABLE(of, qcom_usb_hsic_phy_match);
static struct ulpi_driver qcom_usb_hsic_phy_driver = {
.probe = qcom_usb_hsic_phy_probe,
.driver = {
.name = "qcom_usb_hsic_phy",
.of_match_table = qcom_usb_hsic_phy_match,
},
};
module_ulpi_driver(qcom_usb_hsic_phy_driver);
MODULE_DESCRIPTION("Qualcomm USB HSIC phy");
MODULE_LICENSE("GPL v2");
......@@ -94,11 +94,11 @@ static void rcar_gen3_phy_usb2_work(struct work_struct *work)
work);
if (ch->extcon_host) {
extcon_set_cable_state_(ch->extcon, EXTCON_USB_HOST, true);
extcon_set_cable_state_(ch->extcon, EXTCON_USB, false);
extcon_set_state_sync(ch->extcon, EXTCON_USB_HOST, true);
extcon_set_state_sync(ch->extcon, EXTCON_USB, false);
} else {
extcon_set_cable_state_(ch->extcon, EXTCON_USB_HOST, false);
extcon_set_cable_state_(ch->extcon, EXTCON_USB, true);
extcon_set_state_sync(ch->extcon, EXTCON_USB_HOST, false);
extcon_set_state_sync(ch->extcon, EXTCON_USB, true);
}
}
......@@ -350,7 +350,7 @@ static int rcar_gen3_phy_usb2_power_off(struct phy *p)
return ret;
}
static struct phy_ops rcar_gen3_phy_usb2_ops = {
static const struct phy_ops rcar_gen3_phy_usb2_ops = {
.init = rcar_gen3_phy_usb2_init,
.exit = rcar_gen3_phy_usb2_exit,
.power_on = rcar_gen3_phy_usb2_power_on,
......
......@@ -595,9 +595,14 @@ static void rockchip_usb2phy_otg_sm_work(struct work_struct *work)
if (rport->vbus_attached != vbus_attach) {
rport->vbus_attached = vbus_attach;
if (notify_charger && rphy->edev)
if (notify_charger && rphy->edev) {
extcon_set_cable_state_(rphy->edev,
cable, vbus_attach);
if (cable == EXTCON_CHG_USB_SDP)
extcon_set_state_sync(rphy->edev,
EXTCON_USB,
vbus_attach);
}
}
break;
case OTG_STATE_B_PERIPHERAL:
......
......@@ -99,6 +99,7 @@ enum sun4i_usb_phy_type {
sun6i_a31_phy,
sun8i_a33_phy,
sun8i_h3_phy,
sun8i_v3s_phy,
sun50i_a64_phy,
};
......@@ -188,7 +189,8 @@ static void sun4i_usb_phy_write(struct sun4i_usb_phy *phy, u32 addr, u32 data,
spin_lock_irqsave(&phy_data->reg_lock, flags);
if (phy_data->cfg->type == sun8i_a33_phy ||
phy_data->cfg->type == sun50i_a64_phy) {
phy_data->cfg->type == sun50i_a64_phy ||
phy_data->cfg->type == sun8i_v3s_phy) {
/* A33 or A64 needs us to set phyctl to 0 explicitly */
writel(0, phyctl);
}
......@@ -534,7 +536,7 @@ static void sun4i_usb_phy0_id_vbus_det_scan(struct work_struct *work)
mutex_unlock(&phy0->mutex);
if (id_notify) {
extcon_set_cable_state_(data->extcon, EXTCON_USB_HOST,
extcon_set_state_sync(data->extcon, EXTCON_USB_HOST,
!id_det);
/* When leaving host mode force end the session here */
if (force_session_end && id_det == 1) {
......@@ -547,7 +549,7 @@ static void sun4i_usb_phy0_id_vbus_det_scan(struct work_struct *work)
}
if (vbus_notify)
extcon_set_cable_state_(data->extcon, EXTCON_USB, vbus_det);
extcon_set_state_sync(data->extcon, EXTCON_USB, vbus_det);
if (sun4i_usb_phy0_poll(data))
queue_delayed_work(system_wq, &data->detect, POLL_TIME);
......@@ -825,6 +827,15 @@ static const struct sun4i_usb_phy_cfg sun8i_h3_cfg = {
.enable_pmu_unk1 = true,
};
static const struct sun4i_usb_phy_cfg sun8i_v3s_cfg = {
.num_phys = 1,
.type = sun8i_v3s_phy,
.disc_thresh = 3,
.phyctl_offset = REG_PHYCTL_A33,
.dedicated_clocks = true,
.enable_pmu_unk1 = true,
};
static const struct sun4i_usb_phy_cfg sun50i_a64_cfg = {
.num_phys = 2,
.type = sun50i_a64_phy,
......@@ -842,6 +853,7 @@ static const struct of_device_id sun4i_usb_phy_of_match[] = {
{ .compatible = "allwinner,sun8i-a23-usb-phy", .data = &sun8i_a23_cfg },
{ .compatible = "allwinner,sun8i-a33-usb-phy", .data = &sun8i_a33_cfg },
{ .compatible = "allwinner,sun8i-h3-usb-phy", .data = &sun8i_h3_cfg },
{ .compatible = "allwinner,sun8i-v3s-usb-phy", .data = &sun8i_v3s_cfg },
{ .compatible = "allwinner,sun50i-a64-usb-phy",
.data = &sun50i_a64_cfg},
{ },
......
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