};
--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
-@@ -539,5 +539,76 @@
+@@ -539,5 +539,79 @@
"legacy";
status = "disabled";
};
+
+ usb3_ss_phy: ssphy@9a000 {
-+ compatible = "qca,uni-ssphy";
++ compatible = "qcom,usb-ss-ipq4019-phy";
++ #phy-cells = <0>;
+ reg = <0x9a000 0x800>;
+ reg-names = "phy_base";
+ resets = <&gcc USB3_UNIPHY_PHY_ARES>;
+ };
+
+ usb3_hs_phy: hsphy@a6000 {
-+ compatible = "qca,baldur-usb3-hsphy";
++ compatible = "qcom,usb-hs-ipq4019-phy";
++ #phy-cells = <0>;
+ reg = <0xa6000 0x40>;
+ reg-names = "phy_base";
+ resets = <&gcc USB3_HSPHY_POR_ARES>, <&gcc USB3_HSPHY_S_ARES>;
+ };
+
+ usb3@8af8800 {
-+ compatible = "qca,ipq4019-dwc3";
++ compatible = "qcom,dwc3";
+ reg = <0x8af8800 0x100>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "snps,dwc3";
+ reg = <0x8a00000 0xf8000>;
+ interrupts = <0 132 0>;
-+ usb-phy = <&usb3_hs_phy>, <&usb3_ss_phy>;
++ phys = <&usb3_hs_phy>, <&usb3_ss_phy>;
+ phy-names = "usb2-phy", "usb3-phy";
+ dr_mode = "host";
+ };
+ };
+
+ usb2_hs_phy: hsphy@a8000 {
-+ compatible = "qca,baldur-usb2-hsphy";
++ compatible = "qcom,usb-hs-ipq4019-phy";
++ #phy-cells = <0>;
+ reg = <0xa8000 0x40>;
+ reg-names = "phy_base";
+ resets = <&gcc USB2_HSPHY_POR_ARES>, <&gcc USB2_HSPHY_S_ARES>;
+ };
+
+ usb2@60f8800 {
-+ compatible = "qca,ipq4019-dwc3";
++ compatible = "qcom,dwc3";
+ reg = <0x60f8800 0x100>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "snps,dwc3";
+ reg = <0x6000000 0xf8000>;
+ interrupts = <0 136 0>;
-+ usb-phy = <&usb2_hs_phy>;
++ phys = <&usb2_hs_phy>;
+ phy-names = "usb2-phy";
+ dr_mode = "host";
+ };
+ };
};
};
+--- a/drivers/phy/qualcomm/Kconfig
++++ b/drivers/phy/qualcomm/Kconfig
+@@ -8,6 +8,13 @@ config PHY_QCOM_APQ8064_SATA
+ depends on OF
+ select GENERIC_PHY
+
++config PHY_QCOM_IPQ4019_USB
++ tristate "Qualcomm IPQ4019 USB PHY module"
++ depends on OF && ARCH_QCOM
++ select GENERIC_PHY
++ help
++ Support for the USB PHY on QCOM IPQ4019/Dakota chipsets.
++
+ config PHY_QCOM_IPQ806X_SATA
+ tristate "Qualcomm IPQ806x SATA SerDes/PHY driver"
+ depends on ARCH_QCOM
+--- a/drivers/phy/qualcomm/Makefile
++++ b/drivers/phy/qualcomm/Makefile
+@@ -1,5 +1,6 @@
+ # SPDX-License-Identifier: GPL-2.0
+ obj-$(CONFIG_PHY_QCOM_APQ8064_SATA) += phy-qcom-apq8064-sata.o
++obj-$(CONFIG_PHY_QCOM_IPQ4019_USB) += phy-qcom-ipq4019-usb.o
+ obj-$(CONFIG_PHY_QCOM_IPQ806X_SATA) += phy-qcom-ipq806x-sata.o
+ obj-$(CONFIG_PHY_QCOM_QMP) += phy-qcom-qmp.o
+ obj-$(CONFIG_PHY_QCOM_QUSB2) += phy-qcom-qusb2.o
+--- /dev/null
++++ b/drivers/phy/qualcomm/phy-qcom-ipq4019-usb.c
+@@ -0,0 +1,188 @@
++/*
++ * Copyright (C) 2018 John Crispin <john@phrozen.org>
++ *
++ * Based on code from
++ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
++ *
++ * 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; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * 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/delay.h>
++#include <linux/err.h>
++#include <linux/io.h>
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/mutex.h>
++#include <linux/of_platform.h>
++#include <linux/phy/phy.h>
++#include <linux/platform_device.h>
++#include <linux/reset.h>
++
++/*
++ * Magic registers copied from the SDK driver code
++ */
++#define PHY_CTRL0_ADDR 0x000
++#define PHY_CTRL1_ADDR 0x004
++#define PHY_CTRL2_ADDR 0x008
++#define PHY_CTRL3_ADDR 0x00C
++#define PHY_CTRL4_ADDR 0x010
++#define PHY_MISC_ADDR 0x024
++#define PHY_IPG_ADDR 0x030
++
++#define PHY_CTRL0_VAL 0xA4600015
++#define PHY_CTRL1_VAL 0x09500000
++#define PHY_CTRL2_VAL 0x00058180
++#define PHY_CTRL3_VAL 0x6DB6DCD6
++#define PHY_CTRL4_VAL 0x836DB6DB
++#define PHY_MISC_VAL 0x3803FB0C
++#define PHY_IPG_VAL 0x47323232
++
++struct ipq4019_usb_phy {
++ struct device *dev;
++ struct phy *phy;
++ void __iomem *base;
++ struct reset_control *por_rst;
++ struct reset_control *srif_rst;
++};
++
++static int ipq4019_ss_phy_power_off(struct phy *_phy)
++{
++ struct ipq4019_usb_phy *phy = phy_get_drvdata(_phy);
++
++ reset_control_assert(phy->por_rst);
++ msleep(10);
++
++ return 0;
++}
++
++static int ipq4019_ss_phy_power_on(struct phy *_phy)
++{
++ struct ipq4019_usb_phy *phy = phy_get_drvdata(_phy);
++
++ ipq4019_ss_phy_power_off(_phy);
++
++ reset_control_deassert(phy->por_rst);
++
++ return 0;
++}
++
++static struct phy_ops ipq4019_usb_ss_phy_ops = {
++ .power_on = ipq4019_ss_phy_power_on,
++ .power_off = ipq4019_ss_phy_power_off,
++};
++
++static int ipq4019_hs_phy_power_off(struct phy *_phy)
++{
++ struct ipq4019_usb_phy *phy = phy_get_drvdata(_phy);
++
++ reset_control_assert(phy->por_rst);
++ msleep(10);
++
++ reset_control_assert(phy->srif_rst);
++ msleep(10);
++
++ return 0;
++}
++
++static int ipq4019_hs_phy_power_on(struct phy *_phy)
++{
++ struct ipq4019_usb_phy *phy = phy_get_drvdata(_phy);
++
++ ipq4019_hs_phy_power_off(_phy);
++
++ reset_control_deassert(phy->srif_rst);
++ msleep(10);
++
++ writel(PHY_CTRL0_VAL, phy->base + PHY_CTRL0_ADDR);
++ writel(PHY_CTRL1_VAL, phy->base + PHY_CTRL1_ADDR);
++ writel(PHY_CTRL2_VAL, phy->base + PHY_CTRL2_ADDR);
++ writel(PHY_CTRL3_VAL, phy->base + PHY_CTRL3_ADDR);
++ writel(PHY_CTRL4_VAL, phy->base + PHY_CTRL4_ADDR);
++ writel(PHY_MISC_VAL, phy->base + PHY_MISC_ADDR);
++ writel(PHY_IPG_VAL, phy->base + PHY_IPG_ADDR);
++ msleep(10);
++
++ reset_control_deassert(phy->por_rst);
++
++ return 0;
++}
++
++static struct phy_ops ipq4019_usb_hs_phy_ops = {
++ .power_on = ipq4019_hs_phy_power_on,
++ .power_off = ipq4019_hs_phy_power_off,
++};
++
++static const struct of_device_id ipq4019_usb_phy_of_match[] = {
++ { .compatible = "qcom,usb-hs-ipq4019-phy", .data = &ipq4019_usb_hs_phy_ops},
++ { .compatible = "qcom,usb-ss-ipq4019-phy", .data = &ipq4019_usb_ss_phy_ops},
++ { },
++};
++MODULE_DEVICE_TABLE(of, ipq4019_usb_phy_of_match);
++
++static int ipq4019_usb_phy_probe(struct platform_device *pdev)
++{
++ struct device *dev = &pdev->dev;
++ struct resource *res;
++ struct phy_provider *phy_provider;
++ struct ipq4019_usb_phy *phy;
++ const struct of_device_id *match;
++
++ match = of_match_device(ipq4019_usb_phy_of_match, &pdev->dev);
++ if (!match)
++ return -ENODEV;
++
++ phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);
++ if (!phy)
++ return -ENOMEM;
++
++ phy->dev = &pdev->dev;
++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ phy->base = devm_ioremap_resource(&pdev->dev, res);
++ if (IS_ERR(phy->base)) {
++ dev_err(dev, "failed to remap register memory\n");
++ return PTR_ERR(phy->base);
++ }
++
++ phy->por_rst = devm_reset_control_get(phy->dev, "por_rst");
++ if (IS_ERR(phy->por_rst)) {
++ if (PTR_ERR(phy->por_rst) != -EPROBE_DEFER)
++ dev_err(dev, "POR reset is missing\n");
++ return PTR_ERR(phy->por_rst);
++ }
++
++ phy->srif_rst = devm_reset_control_get_optional(phy->dev, "srif_rst");
++ if (IS_ERR(phy->srif_rst))
++ return PTR_ERR(phy->srif_rst);
++
++ phy->phy = devm_phy_create(dev, NULL, match->data);
++ if (IS_ERR(phy->phy)) {
++ dev_err(dev, "failed to create PHY\n");
++ return PTR_ERR(phy->phy);
++ }
++ phy_set_drvdata(phy->phy, phy);
++
++ phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
++
++ return PTR_ERR_OR_ZERO(phy_provider);
++}
++
++static struct platform_driver ipq4019_usb_phy_driver = {
++ .probe = ipq4019_usb_phy_probe,
++ .driver = {
++ .of_match_table = ipq4019_usb_phy_of_match,
++ .name = "ipq4019-usb-phy",
++ }
++};
++module_platform_driver(ipq4019_usb_phy_driver);
++
++MODULE_DESCRIPTION("QCOM/IPQ4019 USB phy driver");
++MODULE_AUTHOR("John Crispin <john@phrozen.org>");
++MODULE_LICENSE("GPL v2");
+++ /dev/null
-From e73682ec4455c34f3f3edc7f40d90ed297521012 Mon Sep 17 00:00:00 2001
-From: Senthilkumar N L <snlakshm@codeaurora.org>
-Date: Tue, 6 Jan 2015 12:52:23 +0530
-Subject: [PATCH] qcom: ipq4019: Add IPQ4019 USB HS/SS PHY drivers
-
-These drivers handles control and configuration of the HS
-and SS USB PHY transceivers.
-
-Signed-off-by: Senthilkumar N L <snlakshm@codeaurora.org>
-Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
-
----
-Changed:
- - replaced spaces with tabs
- - remove emulation and host variables
----
- drivers/usb/phy/Kconfig | 11 ++
- drivers/usb/phy/Makefile | 2 +
- drivers/usb/phy/phy-qca-baldur.c | 233 +++++++++++++++++++++++++++++++++++++++
- drivers/usb/phy/phy-qca-uniphy.c | 141 +++++++++++++++++++++++
- 4 files changed, 387 insertions(+)
- create mode 100644 drivers/usb/phy/phy-qca-baldur.c
- create mode 100644 drivers/usb/phy/phy-qca-uniphy.c
-
---- a/drivers/usb/phy/Kconfig
-+++ b/drivers/usb/phy/Kconfig
-@@ -188,6 +188,17 @@ config USB_MXS_PHY
-
- MXS Phy is used by some of the i.MX SoCs, for example imx23/28/6x.
-
-+config USB_IPQ4019_PHY
-+ tristate "IPQ4019 PHY wrappers support"
-+ depends on (USB || USB_GADGET) && ARCH_QCOM
-+ select USB_PHY
-+ help
-+ Enable this to support the USB PHY transceivers on QCA961x chips.
-+ It handles PHY initialization, clock management required after
-+ resetting the hardware and power management.
-+ This driver is required even for peripheral only or host only
-+ mode configurations.
-+
- config USB_ULPI
- bool "Generic ULPI Transceiver Driver"
- depends on ARM || ARM64
---- a/drivers/usb/phy/Makefile
-+++ b/drivers/usb/phy/Makefile
-@@ -21,6 +21,8 @@ obj-$(CONFIG_USB_GPIO_VBUS) += phy-gpio
- obj-$(CONFIG_USB_ISP1301) += phy-isp1301.o
- obj-$(CONFIG_USB_MSM_OTG) += phy-msm-usb.o
- obj-$(CONFIG_USB_QCOM_8X16_PHY) += phy-qcom-8x16-usb.o
-+obj-$(CONFIG_USB_IPQ4019_PHY) += phy-qca-baldur.o
-+obj-$(CONFIG_USB_IPQ4019_PHY) += phy-qca-uniphy.o
- obj-$(CONFIG_USB_MV_OTG) += phy-mv-usb.o
- obj-$(CONFIG_USB_MXS_PHY) += phy-mxs-usb.o
- obj-$(CONFIG_USB_ULPI) += phy-ulpi.o
---- /dev/null
-+++ b/drivers/usb/phy/phy-qca-baldur.c
-@@ -0,0 +1,233 @@
-+/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
-+ *
-+ * Permission to use, copy, modify, and/or distribute this software for any
-+ * purpose with or without fee is hereby granted, provided that the above
-+ * copyright notice and this permission notice appear in all copies.
-+ *
-+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-+ *
-+ */
-+
-+#include <linux/clk.h>
-+#include <linux/err.h>
-+#include <linux/io.h>
-+#include <linux/module.h>
-+#include <linux/of.h>
-+#include <linux/platform_device.h>
-+#include <linux/regulator/consumer.h>
-+#include <linux/usb/phy.h>
-+#include <linux/reset.h>
-+#include <linux/of_device.h>
-+
-+/**
-+ * USB Hardware registers
-+ */
-+#define PHY_CTRL0_ADDR 0x000
-+#define PHY_CTRL1_ADDR 0x004
-+#define PHY_CTRL2_ADDR 0x008
-+#define PHY_CTRL3_ADDR 0x00C
-+#define PHY_CTRL4_ADDR 0x010
-+#define PHY_MISC_ADDR 0x024
-+#define PHY_IPG_ADDR 0x030
-+
-+#define PHY_CTRL0_VAL 0xA4600015
-+#define PHY_CTRL1_VAL 0x09500000
-+#define PHY_CTRL2_VAL 0x00058180
-+#define PHY_CTRL3_VAL 0x6DB6DCD6
-+#define PHY_CTRL4_VAL 0x836DB6DB
-+#define PHY_MISC_VAL 0x3803FB0C
-+#define PHY_IPG_VAL 0x47323232
-+
-+#define USB30_HS_PHY_HOST_MODE (0x01 << 21)
-+#define USB20_HS_PHY_HOST_MODE (0x01 << 5)
-+
-+/* used to differentiate between USB3 HS and USB2 HS PHY */
-+struct qca_baldur_hs_data {
-+ unsigned int usb3_hs_phy;
-+ unsigned int phy_config_offset;
-+};
-+
-+struct qca_baldur_hs_phy {
-+ struct device *dev;
-+ struct usb_phy phy;
-+
-+ void __iomem *base;
-+ void __iomem *qscratch_base;
-+
-+ struct reset_control *por_rst;
-+ struct reset_control *srif_rst;
-+
-+ const struct qca_baldur_hs_data *data;
-+};
-+
-+#define phy_to_dw_phy(x) container_of((x), struct qca_baldur_hs_phy, phy)
-+
-+static int qca_baldur_phy_read(struct usb_phy *x, u32 reg)
-+{
-+ struct qca_baldur_hs_phy *phy = phy_to_dw_phy(x);
-+
-+ return readl(phy->base + reg);
-+}
-+
-+static int qca_baldur_phy_write(struct usb_phy *x, u32 val, u32 reg)
-+{
-+ struct qca_baldur_hs_phy *phy = phy_to_dw_phy(x);
-+
-+ writel(val, phy->base + reg);
-+ return 0;
-+}
-+
-+static int qca_baldur_hs_phy_init(struct usb_phy *x)
-+{
-+ struct qca_baldur_hs_phy *phy = phy_to_dw_phy(x);
-+
-+ /* assert HS PHY POR reset */
-+ reset_control_assert(phy->por_rst);
-+ msleep(10);
-+
-+ /* assert HS PHY SRIF reset */
-+ reset_control_assert(phy->srif_rst);
-+ msleep(10);
-+
-+ /* deassert HS PHY SRIF reset and program HS PHY registers */
-+ reset_control_deassert(phy->srif_rst);
-+ msleep(10);
-+
-+ /* perform PHY register writes */
-+ writel(PHY_CTRL0_VAL, phy->base + PHY_CTRL0_ADDR);
-+ writel(PHY_CTRL1_VAL, phy->base + PHY_CTRL1_ADDR);
-+ writel(PHY_CTRL2_VAL, phy->base + PHY_CTRL2_ADDR);
-+ writel(PHY_CTRL3_VAL, phy->base + PHY_CTRL3_ADDR);
-+ writel(PHY_CTRL4_VAL, phy->base + PHY_CTRL4_ADDR);
-+ writel(PHY_MISC_VAL, phy->base + PHY_MISC_ADDR);
-+ writel(PHY_IPG_VAL, phy->base + PHY_IPG_ADDR);
-+
-+ msleep(10);
-+
-+ /* de-assert USB3 HS PHY POR reset */
-+ reset_control_deassert(phy->por_rst);
-+
-+ return 0;
-+}
-+
-+static int qca_baldur_hs_get_resources(struct qca_baldur_hs_phy *phy)
-+{
-+ struct platform_device *pdev = to_platform_device(phy->dev);
-+ struct resource *res;
-+
-+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+ phy->base = devm_ioremap_resource(phy->dev, res);
-+ if (IS_ERR(phy->base))
-+ return PTR_ERR(phy->base);
-+
-+ phy->por_rst = devm_reset_control_get(phy->dev, "por_rst");
-+ if (IS_ERR(phy->por_rst))
-+ return PTR_ERR(phy->por_rst);
-+
-+ phy->srif_rst = devm_reset_control_get(phy->dev, "srif_rst");
-+ if (IS_ERR(phy->srif_rst))
-+ return PTR_ERR(phy->srif_rst);
-+
-+ return 0;
-+}
-+
-+static void qca_baldur_hs_put_resources(struct qca_baldur_hs_phy *phy)
-+{
-+ reset_control_assert(phy->srif_rst);
-+ reset_control_assert(phy->por_rst);
-+}
-+
-+static int qca_baldur_hs_remove(struct platform_device *pdev)
-+{
-+ struct qca_baldur_hs_phy *phy = platform_get_drvdata(pdev);
-+
-+ usb_remove_phy(&phy->phy);
-+ return 0;
-+}
-+
-+static void qca_baldur_hs_phy_shutdown(struct usb_phy *x)
-+{
-+ struct qca_baldur_hs_phy *phy = phy_to_dw_phy(x);
-+
-+ qca_baldur_hs_put_resources(phy);
-+}
-+
-+static struct usb_phy_io_ops qca_baldur_io_ops = {
-+ .read = qca_baldur_phy_read,
-+ .write = qca_baldur_phy_write,
-+};
-+
-+static const struct qca_baldur_hs_data usb3_hs_data = {
-+ .usb3_hs_phy = 1,
-+ .phy_config_offset = USB30_HS_PHY_HOST_MODE,
-+};
-+
-+static const struct qca_baldur_hs_data usb2_hs_data = {
-+ .usb3_hs_phy = 0,
-+ .phy_config_offset = USB20_HS_PHY_HOST_MODE,
-+};
-+
-+static const struct of_device_id qca_baldur_hs_id_table[] = {
-+ { .compatible = "qca,baldur-usb3-hsphy", .data = &usb3_hs_data },
-+ { .compatible = "qca,baldur-usb2-hsphy", .data = &usb2_hs_data },
-+ { /* Sentinel */ }
-+};
-+MODULE_DEVICE_TABLE(of, qca_baldur_hs_id_table);
-+
-+static int qca_baldur_hs_probe(struct platform_device *pdev)
-+{
-+ const struct of_device_id *match;
-+ struct qca_baldur_hs_phy *phy;
-+ int err;
-+
-+ match = of_match_device(qca_baldur_hs_id_table, &pdev->dev);
-+ if (!match)
-+ return -ENODEV;
-+
-+ phy = devm_kzalloc(&pdev->dev, sizeof(*phy), GFP_KERNEL);
-+ if (!phy)
-+ return -ENOMEM;
-+
-+ platform_set_drvdata(pdev, phy);
-+ phy->dev = &pdev->dev;
-+
-+ phy->data = match->data;
-+
-+ err = qca_baldur_hs_get_resources(phy);
-+ if (err < 0) {
-+ dev_err(&pdev->dev, "failed to request resources: %d\n", err);
-+ return err;
-+ }
-+
-+ phy->phy.dev = phy->dev;
-+ phy->phy.label = "qca-baldur-hsphy";
-+ phy->phy.init = qca_baldur_hs_phy_init;
-+ phy->phy.shutdown = qca_baldur_hs_phy_shutdown;
-+ phy->phy.type = USB_PHY_TYPE_USB2;
-+ phy->phy.io_ops = &qca_baldur_io_ops;
-+
-+ err = usb_add_phy_dev(&phy->phy);
-+ return err;
-+}
-+
-+static struct platform_driver qca_baldur_hs_driver = {
-+ .probe = qca_baldur_hs_probe,
-+ .remove = qca_baldur_hs_remove,
-+ .driver = {
-+ .name = "qca-baldur-hsphy",
-+ .owner = THIS_MODULE,
-+ .of_match_table = qca_baldur_hs_id_table,
-+ },
-+};
-+
-+module_platform_driver(qca_baldur_hs_driver);
-+
-+MODULE_ALIAS("platform:qca-baldur-hsphy");
-+MODULE_LICENSE("Dual BSD/GPL");
-+MODULE_DESCRIPTION("USB3 QCA BALDUR HSPHY driver");
---- /dev/null
-+++ b/drivers/usb/phy/phy-qca-uniphy.c
-@@ -0,0 +1,135 @@
-+/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
-+ *
-+ * Permission to use, copy, modify, and/or distribute this software for any
-+ * purpose with or without fee is hereby granted, provided that the above
-+ * copyright notice and this permission notice appear in all copies.
-+ *
-+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-+ *
-+ */
-+
-+#include <linux/clk.h>
-+#include <linux/err.h>
-+#include <linux/io.h>
-+#include <linux/module.h>
-+#include <linux/of.h>
-+#include <linux/platform_device.h>
-+#include <linux/regulator/consumer.h>
-+#include <linux/usb/phy.h>
-+#include <linux/reset.h>
-+#include <linux/of_device.h>
-+
-+struct qca_uni_ss_phy {
-+ struct usb_phy phy;
-+ struct device *dev;
-+
-+ void __iomem *base;
-+
-+ struct reset_control *por_rst;
-+};
-+
-+#define phy_to_dw_phy(x) container_of((x), struct qca_uni_ss_phy, phy)
-+
-+static void qca_uni_ss_phy_shutdown(struct usb_phy *x)
-+{
-+ struct qca_uni_ss_phy *phy = phy_to_dw_phy(x);
-+
-+ /* assert SS PHY POR reset */
-+ reset_control_assert(phy->por_rst);
-+}
-+
-+static int qca_uni_ss_phy_init(struct usb_phy *x)
-+{
-+ struct qca_uni_ss_phy *phy = phy_to_dw_phy(x);
-+
-+ /* assert SS PHY POR reset */
-+ reset_control_assert(phy->por_rst);
-+
-+ msleep(20);
-+
-+ /* deassert SS PHY POR reset */
-+ reset_control_deassert(phy->por_rst);
-+
-+ return 0;
-+}
-+
-+static int qca_uni_ss_get_resources(struct platform_device *pdev,
-+ struct qca_uni_ss_phy *phy)
-+{
-+ struct resource *res;
-+
-+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+ phy->base = devm_ioremap_resource(phy->dev, res);
-+ if (IS_ERR(phy->base))
-+ return PTR_ERR(phy->base);
-+
-+ phy->por_rst = devm_reset_control_get(phy->dev, "por_rst");
-+ if (IS_ERR(phy->por_rst))
-+ return PTR_ERR(phy->por_rst);
-+
-+ return 0;
-+}
-+
-+static int qca_uni_ss_remove(struct platform_device *pdev)
-+{
-+ struct qca_uni_ss_phy *phy = platform_get_drvdata(pdev);
-+
-+ usb_remove_phy(&phy->phy);
-+ return 0;
-+}
-+
-+static const struct of_device_id qca_uni_ss_id_table[] = {
-+ { .compatible = "qca,uni-ssphy" },
-+ { /* Sentinel */ }
-+};
-+MODULE_DEVICE_TABLE(of, qca_uni_ss_id_table);
-+
-+static int qca_uni_ss_probe(struct platform_device *pdev)
-+{
-+ struct qca_uni_ss_phy *phy;
-+ int ret;
-+
-+ phy = devm_kzalloc(&pdev->dev, sizeof(*phy), GFP_KERNEL);
-+ if (!phy)
-+ return -ENOMEM;
-+
-+ platform_set_drvdata(pdev, phy);
-+ phy->dev = &pdev->dev;
-+
-+ ret = qca_uni_ss_get_resources(pdev, phy);
-+ if (ret < 0) {
-+ dev_err(&pdev->dev, "failed to request resources: %d\n", ret);
-+ return ret;
-+ }
-+
-+ phy->phy.dev = phy->dev;
-+ phy->phy.label = "qca-uni-ssphy";
-+ phy->phy.init = qca_uni_ss_phy_init;
-+ phy->phy.shutdown = qca_uni_ss_phy_shutdown;
-+ phy->phy.type = USB_PHY_TYPE_USB3;
-+
-+ ret = usb_add_phy_dev(&phy->phy);
-+ return ret;
-+}
-+
-+static struct platform_driver qca_uni_ss_driver = {
-+ .probe = qca_uni_ss_probe,
-+ .remove = qca_uni_ss_remove,
-+ .driver = {
-+ .name = "qca-uni-ssphy",
-+ .owner = THIS_MODULE,
-+ .of_match_table = qca_uni_ss_id_table,
-+ },
-+};
-+
-+module_platform_driver(qca_uni_ss_driver);
-+
-+MODULE_ALIAS("platform:qca-uni-ssphy");
-+MODULE_LICENSE("Dual BSD/GPL");
-+MODULE_DESCRIPTION("USB3 QCA UNI SSPHY driver");
projects / openwrt / staging / wigyori.git / commitdiff