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@@ -1,429 +0,0 @@
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-From e73682ec4455c34f3f3edc7f40d90ed297521012 Mon Sep 17 00:00:00 2001
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-From: Senthilkumar N L <[email protected]>
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-Date: Tue, 6 Jan 2015 12:52:23 +0530
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-Subject: [PATCH] qcom: ipq4019: Add IPQ4019 USB HS/SS PHY drivers
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-
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-These drivers handles control and configuration of the HS
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-and SS USB PHY transceivers.
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-
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-Signed-off-by: Senthilkumar N L <[email protected]>
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-Signed-off-by: Christian Lamparter <[email protected]>
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-
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----
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-Changed:
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- - replaced spaces with tabs
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- - remove emulation and host variables
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----
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- drivers/usb/phy/Kconfig | 11 ++
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- drivers/usb/phy/Makefile | 2 +
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- drivers/usb/phy/phy-qca-baldur.c | 233 +++++++++++++++++++++++++++++++++++++++
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- drivers/usb/phy/phy-qca-uniphy.c | 141 +++++++++++++++++++++++
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- 4 files changed, 387 insertions(+)
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- create mode 100644 drivers/usb/phy/phy-qca-baldur.c
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- create mode 100644 drivers/usb/phy/phy-qca-uniphy.c
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-
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---- a/drivers/usb/phy/Kconfig
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-+++ b/drivers/usb/phy/Kconfig
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-@@ -188,6 +188,17 @@ config USB_MXS_PHY
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-
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- MXS Phy is used by some of the i.MX SoCs, for example imx23/28/6x.
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-
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-+config USB_IPQ4019_PHY
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-+ tristate "IPQ4019 PHY wrappers support"
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-+ depends on (USB || USB_GADGET) && ARCH_QCOM
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-+ select USB_PHY
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-+ help
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-+ Enable this to support the USB PHY transceivers on QCA961x chips.
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-+ It handles PHY initialization, clock management required after
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-+ resetting the hardware and power management.
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-+ This driver is required even for peripheral only or host only
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-+ mode configurations.
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-+
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- config USB_ULPI
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- bool "Generic ULPI Transceiver Driver"
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- depends on ARM || ARM64
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---- a/drivers/usb/phy/Makefile
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-+++ b/drivers/usb/phy/Makefile
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-@@ -21,6 +21,8 @@ obj-$(CONFIG_USB_GPIO_VBUS) += phy-gpio
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- obj-$(CONFIG_USB_ISP1301) += phy-isp1301.o
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- obj-$(CONFIG_USB_MSM_OTG) += phy-msm-usb.o
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- obj-$(CONFIG_USB_QCOM_8X16_PHY) += phy-qcom-8x16-usb.o
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-+obj-$(CONFIG_USB_IPQ4019_PHY) += phy-qca-baldur.o
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-+obj-$(CONFIG_USB_IPQ4019_PHY) += phy-qca-uniphy.o
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- obj-$(CONFIG_USB_MV_OTG) += phy-mv-usb.o
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- obj-$(CONFIG_USB_MXS_PHY) += phy-mxs-usb.o
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- obj-$(CONFIG_USB_ULPI) += phy-ulpi.o
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---- /dev/null
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-+++ b/drivers/usb/phy/phy-qca-baldur.c
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-@@ -0,0 +1,233 @@
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-+/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
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-+ *
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-+ * Permission to use, copy, modify, and/or distribute this software for any
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-+ * purpose with or without fee is hereby granted, provided that the above
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-+ * copyright notice and this permission notice appear in all copies.
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-+ *
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-+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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-+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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-+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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-+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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-+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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-+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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-+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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-+ *
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-+ */
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-+
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-+#include <linux/clk.h>
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-+#include <linux/err.h>
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-+#include <linux/io.h>
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-+#include <linux/module.h>
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-+#include <linux/of.h>
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-+#include <linux/platform_device.h>
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-+#include <linux/regulator/consumer.h>
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-+#include <linux/usb/phy.h>
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-+#include <linux/reset.h>
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-+#include <linux/of_device.h>
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-+
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-+/**
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-+ * USB Hardware registers
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-+ */
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-+#define PHY_CTRL0_ADDR 0x000
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-+#define PHY_CTRL1_ADDR 0x004
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-+#define PHY_CTRL2_ADDR 0x008
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-+#define PHY_CTRL3_ADDR 0x00C
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-+#define PHY_CTRL4_ADDR 0x010
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-+#define PHY_MISC_ADDR 0x024
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-+#define PHY_IPG_ADDR 0x030
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-+
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-+#define PHY_CTRL0_VAL 0xA4600015
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-+#define PHY_CTRL1_VAL 0x09500000
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-+#define PHY_CTRL2_VAL 0x00058180
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-+#define PHY_CTRL3_VAL 0x6DB6DCD6
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-+#define PHY_CTRL4_VAL 0x836DB6DB
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-+#define PHY_MISC_VAL 0x3803FB0C
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-+#define PHY_IPG_VAL 0x47323232
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-+
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-+#define USB30_HS_PHY_HOST_MODE (0x01 << 21)
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-+#define USB20_HS_PHY_HOST_MODE (0x01 << 5)
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-+
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-+/* used to differentiate between USB3 HS and USB2 HS PHY */
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-+struct qca_baldur_hs_data {
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-+ unsigned int usb3_hs_phy;
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-+ unsigned int phy_config_offset;
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-+};
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-+
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-+struct qca_baldur_hs_phy {
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-+ struct device *dev;
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-+ struct usb_phy phy;
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-+
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-+ void __iomem *base;
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-+ void __iomem *qscratch_base;
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-+
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-+ struct reset_control *por_rst;
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-+ struct reset_control *srif_rst;
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-+
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-+ const struct qca_baldur_hs_data *data;
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-+};
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-+
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-+#define phy_to_dw_phy(x) container_of((x), struct qca_baldur_hs_phy, phy)
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-+
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-+static int qca_baldur_phy_read(struct usb_phy *x, u32 reg)
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-+{
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-+ struct qca_baldur_hs_phy *phy = phy_to_dw_phy(x);
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-+
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-+ return readl(phy->base + reg);
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-+}
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-+
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-+static int qca_baldur_phy_write(struct usb_phy *x, u32 val, u32 reg)
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-+{
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-+ struct qca_baldur_hs_phy *phy = phy_to_dw_phy(x);
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-+
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-+ writel(val, phy->base + reg);
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-+ return 0;
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-+}
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-+
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-+static int qca_baldur_hs_phy_init(struct usb_phy *x)
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-+{
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-+ struct qca_baldur_hs_phy *phy = phy_to_dw_phy(x);
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-+
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-+ /* assert HS PHY POR reset */
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-+ reset_control_assert(phy->por_rst);
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-+ msleep(10);
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-+
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-+ /* assert HS PHY SRIF reset */
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-+ reset_control_assert(phy->srif_rst);
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-+ msleep(10);
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-+
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-+ /* deassert HS PHY SRIF reset and program HS PHY registers */
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-+ reset_control_deassert(phy->srif_rst);
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-+ msleep(10);
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-+
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-+ /* perform PHY register writes */
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-+ writel(PHY_CTRL0_VAL, phy->base + PHY_CTRL0_ADDR);
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-+ writel(PHY_CTRL1_VAL, phy->base + PHY_CTRL1_ADDR);
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-+ writel(PHY_CTRL2_VAL, phy->base + PHY_CTRL2_ADDR);
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-+ writel(PHY_CTRL3_VAL, phy->base + PHY_CTRL3_ADDR);
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-+ writel(PHY_CTRL4_VAL, phy->base + PHY_CTRL4_ADDR);
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-+ writel(PHY_MISC_VAL, phy->base + PHY_MISC_ADDR);
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-+ writel(PHY_IPG_VAL, phy->base + PHY_IPG_ADDR);
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-+
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-+ msleep(10);
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-+
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-+ /* de-assert USB3 HS PHY POR reset */
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-+ reset_control_deassert(phy->por_rst);
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-+
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-+ return 0;
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-+}
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-+
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-+static int qca_baldur_hs_get_resources(struct qca_baldur_hs_phy *phy)
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-+{
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-+ struct platform_device *pdev = to_platform_device(phy->dev);
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-+ struct resource *res;
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-+
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-+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-+ phy->base = devm_ioremap_resource(phy->dev, res);
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-+ if (IS_ERR(phy->base))
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-+ return PTR_ERR(phy->base);
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-+
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-+ phy->por_rst = devm_reset_control_get(phy->dev, "por_rst");
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-+ if (IS_ERR(phy->por_rst))
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-+ return PTR_ERR(phy->por_rst);
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-+
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-+ phy->srif_rst = devm_reset_control_get(phy->dev, "srif_rst");
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-+ if (IS_ERR(phy->srif_rst))
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-+ return PTR_ERR(phy->srif_rst);
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-+
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-+ return 0;
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-+}
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-+
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-+static void qca_baldur_hs_put_resources(struct qca_baldur_hs_phy *phy)
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-+{
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-+ reset_control_assert(phy->srif_rst);
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-+ reset_control_assert(phy->por_rst);
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-+}
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-+
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-+static int qca_baldur_hs_remove(struct platform_device *pdev)
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-+{
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-+ struct qca_baldur_hs_phy *phy = platform_get_drvdata(pdev);
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-+
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-+ usb_remove_phy(&phy->phy);
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-+ return 0;
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-+}
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-+
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-+static void qca_baldur_hs_phy_shutdown(struct usb_phy *x)
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-+{
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-+ struct qca_baldur_hs_phy *phy = phy_to_dw_phy(x);
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-+
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-+ qca_baldur_hs_put_resources(phy);
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-+}
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-+
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-+static struct usb_phy_io_ops qca_baldur_io_ops = {
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-+ .read = qca_baldur_phy_read,
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-+ .write = qca_baldur_phy_write,
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-+};
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-+
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-+static const struct qca_baldur_hs_data usb3_hs_data = {
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-+ .usb3_hs_phy = 1,
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-+ .phy_config_offset = USB30_HS_PHY_HOST_MODE,
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-+};
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-+
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-+static const struct qca_baldur_hs_data usb2_hs_data = {
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-+ .usb3_hs_phy = 0,
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-+ .phy_config_offset = USB20_HS_PHY_HOST_MODE,
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-+};
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-+
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-+static const struct of_device_id qca_baldur_hs_id_table[] = {
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-+ { .compatible = "qca,baldur-usb3-hsphy", .data = &usb3_hs_data },
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-+ { .compatible = "qca,baldur-usb2-hsphy", .data = &usb2_hs_data },
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-+ { /* Sentinel */ }
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-+};
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-+MODULE_DEVICE_TABLE(of, qca_baldur_hs_id_table);
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-+
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-+static int qca_baldur_hs_probe(struct platform_device *pdev)
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-+{
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-+ const struct of_device_id *match;
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-+ struct qca_baldur_hs_phy *phy;
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-+ int err;
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-+
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-+ match = of_match_device(qca_baldur_hs_id_table, &pdev->dev);
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-+ if (!match)
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-+ return -ENODEV;
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-+
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-+ phy = devm_kzalloc(&pdev->dev, sizeof(*phy), GFP_KERNEL);
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-+ if (!phy)
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-+ return -ENOMEM;
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-+
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-+ platform_set_drvdata(pdev, phy);
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-+ phy->dev = &pdev->dev;
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-+
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-+ phy->data = match->data;
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-+
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-+ err = qca_baldur_hs_get_resources(phy);
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-+ if (err < 0) {
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-+ dev_err(&pdev->dev, "failed to request resources: %d\n", err);
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-+ return err;
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-+ }
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-+
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-+ phy->phy.dev = phy->dev;
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-+ phy->phy.label = "qca-baldur-hsphy";
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-+ phy->phy.init = qca_baldur_hs_phy_init;
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-+ phy->phy.shutdown = qca_baldur_hs_phy_shutdown;
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-+ phy->phy.type = USB_PHY_TYPE_USB2;
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-+ phy->phy.io_ops = &qca_baldur_io_ops;
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-+
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-+ err = usb_add_phy_dev(&phy->phy);
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-+ return err;
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-+}
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-+
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-+static struct platform_driver qca_baldur_hs_driver = {
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-+ .probe = qca_baldur_hs_probe,
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-+ .remove = qca_baldur_hs_remove,
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-+ .driver = {
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-+ .name = "qca-baldur-hsphy",
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-+ .owner = THIS_MODULE,
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-+ .of_match_table = qca_baldur_hs_id_table,
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-+ },
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-+};
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-+
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-+module_platform_driver(qca_baldur_hs_driver);
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-+
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-+MODULE_ALIAS("platform:qca-baldur-hsphy");
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-+MODULE_LICENSE("Dual BSD/GPL");
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-+MODULE_DESCRIPTION("USB3 QCA BALDUR HSPHY driver");
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---- /dev/null
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-+++ b/drivers/usb/phy/phy-qca-uniphy.c
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-@@ -0,0 +1,135 @@
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-+/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
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-+ *
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-+ * Permission to use, copy, modify, and/or distribute this software for any
|
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-+ * purpose with or without fee is hereby granted, provided that the above
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-+ * copyright notice and this permission notice appear in all copies.
|
|
|
-+ *
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-+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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|
-+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
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|
-+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
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|
-+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
|
-+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
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-+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
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-+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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-+ *
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-+ */
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-+
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-+#include <linux/clk.h>
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-+#include <linux/err.h>
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-+#include <linux/io.h>
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-+#include <linux/module.h>
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-+#include <linux/of.h>
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-+#include <linux/platform_device.h>
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-+#include <linux/regulator/consumer.h>
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-+#include <linux/usb/phy.h>
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-+#include <linux/reset.h>
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-+#include <linux/of_device.h>
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-+
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-+struct qca_uni_ss_phy {
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-+ struct usb_phy phy;
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-+ struct device *dev;
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-+
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-+ void __iomem *base;
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-+
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-+ struct reset_control *por_rst;
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-+};
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-+
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-+#define phy_to_dw_phy(x) container_of((x), struct qca_uni_ss_phy, phy)
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-+
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-+static void qca_uni_ss_phy_shutdown(struct usb_phy *x)
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-+{
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-+ struct qca_uni_ss_phy *phy = phy_to_dw_phy(x);
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-+
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-+ /* assert SS PHY POR reset */
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-+ reset_control_assert(phy->por_rst);
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-+}
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-+
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-+static int qca_uni_ss_phy_init(struct usb_phy *x)
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-+{
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-+ struct qca_uni_ss_phy *phy = phy_to_dw_phy(x);
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-+
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-+ /* assert SS PHY POR reset */
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-+ reset_control_assert(phy->por_rst);
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-+
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-+ msleep(20);
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-+
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-+ /* deassert SS PHY POR reset */
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-+ reset_control_deassert(phy->por_rst);
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-+
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-+ return 0;
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-+}
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-+
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-+static int qca_uni_ss_get_resources(struct platform_device *pdev,
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-+ struct qca_uni_ss_phy *phy)
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-+{
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-+ struct resource *res;
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-+
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-+ 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");
|
John Crispin