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-rw-r--r--include/linux/phy/omap_control_phy.h12
-rw-r--r--include/linux/phy/omap_usb.h81
-rw-r--r--include/linux/phy/pcie.h12
-rw-r--r--include/linux/phy/phy-dp.h98
-rw-r--r--include/linux/phy/phy-hdmi.h21
-rw-r--r--include/linux/phy/phy-lvds.h32
-rw-r--r--include/linux/phy/phy-mipi-dphy.h287
-rw-r--r--include/linux/phy/phy-qcom-ufs.h41
-rw-r--r--include/linux/phy/phy-sun4i-usb.h12
-rw-r--r--include/linux/phy/phy.h272
-rw-r--r--include/linux/phy/tegra/xusb.h27
-rw-r--r--include/linux/phy/ulpi_phy.h1
12 files changed, 707 insertions, 189 deletions
diff --git a/include/linux/phy/omap_control_phy.h b/include/linux/phy/omap_control_phy.h
index eb7d4a135a9e..aec57dd784f7 100644
--- a/include/linux/phy/omap_control_phy.h
+++ b/include/linux/phy/omap_control_phy.h
@@ -1,19 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* omap_control_phy.h - Header file for the PHY part of control module.
*
* Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.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.
- *
* Author: Kishon Vijay Abraham I <kishon@ti.com>
- *
- * 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.
- *
*/
#ifndef __OMAP_CONTROL_PHY_H__
diff --git a/include/linux/phy/omap_usb.h b/include/linux/phy/omap_usb.h
index 2e5fb870efa9..e23b52df93ec 100644
--- a/include/linux/phy/omap_usb.h
+++ b/include/linux/phy/omap_usb.h
@@ -1,79 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* omap_usb.h -- omap usb2 phy header file
*
- * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.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.
- *
+ * Copyright (C) 2012-2020 Texas Instruments Incorporated - http://www.ti.com
* Author: Kishon Vijay Abraham I <kishon@ti.com>
- *
- * 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.
- *
*/
#ifndef __DRIVERS_OMAP_USB2_H
#define __DRIVERS_OMAP_USB2_H
-#include <linux/io.h>
-#include <linux/usb/otg.h>
-
-struct usb_dpll_params {
- u16 m;
- u8 n;
- u8 freq:3;
- u8 sd;
- u32 mf;
-};
-
-enum omap_usb_phy_type {
- TYPE_USB2, /* USB2_PHY, power down in CONTROL_DEV_CONF */
- TYPE_DRA7USB2, /* USB2 PHY, power and power_aux e.g. DRA7 */
- TYPE_AM437USB2, /* USB2 PHY, power e.g. AM437x */
-};
-
-struct omap_usb {
- struct usb_phy phy;
- struct phy_companion *comparator;
- void __iomem *pll_ctrl_base;
- void __iomem *phy_base;
- struct device *dev;
- struct device *control_dev;
- struct clk *wkupclk;
- struct clk *optclk;
- u8 flags;
- enum omap_usb_phy_type type;
- struct regmap *syscon_phy_power; /* ctrl. reg. acces */
- unsigned int power_reg; /* power reg. index within syscon */
- u32 mask;
- u32 power_on;
- u32 power_off;
-};
-
-struct usb_phy_data {
- const char *label;
- u8 flags;
- u32 mask;
- u32 power_on;
- u32 power_off;
-};
-
-/* Driver Flags */
-#define OMAP_USB2_HAS_START_SRP (1 << 0)
-#define OMAP_USB2_HAS_SET_VBUS (1 << 1)
-#define OMAP_USB2_CALIBRATE_FALSE_DISCONNECT (1 << 2)
-
-#define OMAP_DEV_PHY_PD BIT(0)
-#define OMAP_USB2_PHY_PD BIT(28)
-
-#define AM437X_USB2_PHY_PD BIT(0)
-#define AM437X_USB2_OTG_PD BIT(1)
-#define AM437X_USB2_OTGVDET_EN BIT(19)
-#define AM437X_USB2_OTGSESSEND_EN BIT(20)
+#include <linux/usb/phy_companion.h>
#define phy_to_omapusb(x) container_of((x), struct omap_usb, phy)
@@ -86,15 +22,4 @@ static inline int omap_usb2_set_comparator(struct phy_companion *comparator)
}
#endif
-static inline u32 omap_usb_readl(void __iomem *addr, unsigned offset)
-{
- return __raw_readl(addr + offset);
-}
-
-static inline void omap_usb_writel(void __iomem *addr, unsigned offset,
- u32 data)
-{
- __raw_writel(data, addr + offset);
-}
-
#endif /* __DRIVERS_OMAP_USB_H */
diff --git a/include/linux/phy/pcie.h b/include/linux/phy/pcie.h
new file mode 100644
index 000000000000..e7ac81764576
--- /dev/null
+++ b/include/linux/phy/pcie.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2022 Rockchip Electronics Co., Ltd.
+ */
+#ifndef __PHY_PCIE_H
+#define __PHY_PCIE_H
+
+#define PHY_MODE_PCIE_RC 20
+#define PHY_MODE_PCIE_EP 21
+#define PHY_MODE_PCIE_BIFURCATION 22
+
+#endif
diff --git a/include/linux/phy/phy-dp.h b/include/linux/phy/phy-dp.h
new file mode 100644
index 000000000000..9cce5766bc0b
--- /dev/null
+++ b/include/linux/phy/phy-dp.h
@@ -0,0 +1,98 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2019 Cadence Design Systems Inc.
+ */
+
+#ifndef __PHY_DP_H_
+#define __PHY_DP_H_
+
+#include <linux/types.h>
+
+#define PHY_SUBMODE_DP 0
+#define PHY_SUBMODE_EDP 1
+
+/**
+ * struct phy_configure_opts_dp - DisplayPort PHY configuration set
+ *
+ * This structure is used to represent the configuration state of a
+ * DisplayPort phy.
+ */
+struct phy_configure_opts_dp {
+ /**
+ * @link_rate:
+ *
+ * Link Rate, in Mb/s, of the main link.
+ *
+ * Allowed values: 1620, 2160, 2430, 2700, 3240, 4320, 5400, 8100 Mb/s
+ */
+ unsigned int link_rate;
+
+ /**
+ * @lanes:
+ *
+ * Number of active, consecutive, data lanes, starting from
+ * lane 0, used for the transmissions on main link.
+ *
+ * Allowed values: 1, 2, 4
+ */
+ unsigned int lanes;
+
+ /**
+ * @voltage:
+ *
+ * Voltage swing levels, as specified by DisplayPort specification,
+ * to be used by particular lanes. One value per lane.
+ * voltage[0] is for lane 0, voltage[1] is for lane 1, etc.
+ *
+ * Maximum value: 3
+ */
+ unsigned int voltage[4];
+
+ /**
+ * @pre:
+ *
+ * Pre-emphasis levels, as specified by DisplayPort specification, to be
+ * used by particular lanes. One value per lane.
+ *
+ * Maximum value: 3
+ */
+ unsigned int pre[4];
+
+ /**
+ * @ssc:
+ *
+ * Flag indicating, whether or not to enable spread-spectrum clocking.
+ *
+ */
+ u8 ssc : 1;
+
+ /**
+ * @set_rate:
+ *
+ * Flag indicating, whether or not reconfigure link rate and SSC to
+ * requested values.
+ *
+ */
+ u8 set_rate : 1;
+
+ /**
+ * @set_lanes:
+ *
+ * Flag indicating, whether or not reconfigure lane count to
+ * requested value.
+ *
+ */
+ u8 set_lanes : 1;
+
+ /**
+ * @set_voltages:
+ *
+ * Flag indicating, whether or not reconfigure voltage swing
+ * and pre-emphasis to requested values. Only lanes specified
+ * by "lanes" parameter will be affected.
+ *
+ */
+ u8 set_voltages : 1;
+};
+
+#endif /* __PHY_DP_H_ */
diff --git a/include/linux/phy/phy-hdmi.h b/include/linux/phy/phy-hdmi.h
new file mode 100644
index 000000000000..f0ec963c6e84
--- /dev/null
+++ b/include/linux/phy/phy-hdmi.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2022,2024 NXP
+ */
+
+#ifndef __PHY_HDMI_H_
+#define __PHY_HDMI_H_
+
+/**
+ * struct phy_configure_opts_hdmi - HDMI configuration set
+ * @tmds_char_rate: HDMI TMDS Character Rate in Hertz.
+ * @bpc: Bits per color channel.
+ *
+ * This structure is used to represent the configuration state of a HDMI phy.
+ */
+struct phy_configure_opts_hdmi {
+ unsigned long long tmds_char_rate;
+ unsigned int bpc;
+};
+
+#endif /* __PHY_HDMI_H_ */
diff --git a/include/linux/phy/phy-lvds.h b/include/linux/phy/phy-lvds.h
new file mode 100644
index 000000000000..09931d080a6d
--- /dev/null
+++ b/include/linux/phy/phy-lvds.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2020,2022 NXP
+ */
+
+#ifndef __PHY_LVDS_H_
+#define __PHY_LVDS_H_
+
+/**
+ * struct phy_configure_opts_lvds - LVDS configuration set
+ * @bits_per_lane_and_dclk_cycle: Number of bits per lane per differential
+ * clock cycle.
+ * @differential_clk_rate: Clock rate, in Hertz, of the LVDS
+ * differential clock.
+ * @lanes: Number of active, consecutive,
+ * data lanes, starting from lane 0,
+ * used for the transmissions.
+ * @is_slave: Boolean, true if the phy is a slave
+ * which works together with a master
+ * phy to support dual link transmission,
+ * otherwise a regular phy or a master phy.
+ *
+ * This structure is used to represent the configuration state of a LVDS phy.
+ */
+struct phy_configure_opts_lvds {
+ unsigned int bits_per_lane_and_dclk_cycle;
+ unsigned long differential_clk_rate;
+ unsigned int lanes;
+ bool is_slave;
+};
+
+#endif /* __PHY_LVDS_H_ */
diff --git a/include/linux/phy/phy-mipi-dphy.h b/include/linux/phy/phy-mipi-dphy.h
new file mode 100644
index 000000000000..1ac128d78dfe
--- /dev/null
+++ b/include/linux/phy/phy-mipi-dphy.h
@@ -0,0 +1,287 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2018 Cadence Design Systems Inc.
+ */
+
+#ifndef __PHY_MIPI_DPHY_H_
+#define __PHY_MIPI_DPHY_H_
+
+/**
+ * struct phy_configure_opts_mipi_dphy - MIPI D-PHY configuration set
+ *
+ * This structure is used to represent the configuration state of a
+ * MIPI D-PHY phy.
+ */
+struct phy_configure_opts_mipi_dphy {
+ /**
+ * @clk_miss:
+ *
+ * Timeout, in picoseconds, for receiver to detect absence of
+ * Clock transitions and disable the Clock Lane HS-RX.
+ *
+ * Maximum value: 60000 ps
+ */
+ unsigned int clk_miss;
+
+ /**
+ * @clk_post:
+ *
+ * Time, in picoseconds, that the transmitter continues to
+ * send HS clock after the last associated Data Lane has
+ * transitioned to LP Mode. Interval is defined as the period
+ * from the end of @hs_trail to the beginning of @clk_trail.
+ *
+ * Minimum value: 60000 ps + 52 * @hs_clk_rate period in ps
+ */
+ unsigned int clk_post;
+
+ /**
+ * @clk_pre:
+ *
+ * Time, in UI, that the HS clock shall be driven by
+ * the transmitter prior to any associated Data Lane beginning
+ * the transition from LP to HS mode.
+ *
+ * Minimum value: 8 UI
+ */
+ unsigned int clk_pre;
+
+ /**
+ * @clk_prepare:
+ *
+ * Time, in picoseconds, that the transmitter drives the Clock
+ * Lane LP-00 Line state immediately before the HS-0 Line
+ * state starting the HS transmission.
+ *
+ * Minimum value: 38000 ps
+ * Maximum value: 95000 ps
+ */
+ unsigned int clk_prepare;
+
+ /**
+ * @clk_settle:
+ *
+ * Time interval, in picoseconds, during which the HS receiver
+ * should ignore any Clock Lane HS transitions, starting from
+ * the beginning of @clk_prepare.
+ *
+ * Minimum value: 95000 ps
+ * Maximum value: 300000 ps
+ */
+ unsigned int clk_settle;
+
+ /**
+ * @clk_term_en:
+ *
+ * Time, in picoseconds, for the Clock Lane receiver to enable
+ * the HS line termination.
+ *
+ * Maximum value: 38000 ps
+ */
+ unsigned int clk_term_en;
+
+ /**
+ * @clk_trail:
+ *
+ * Time, in picoseconds, that the transmitter drives the HS-0
+ * state after the last payload clock bit of a HS transmission
+ * burst.
+ *
+ * Minimum value: 60000 ps
+ */
+ unsigned int clk_trail;
+
+ /**
+ * @clk_zero:
+ *
+ * Time, in picoseconds, that the transmitter drives the HS-0
+ * state prior to starting the Clock.
+ */
+ unsigned int clk_zero;
+
+ /**
+ * @d_term_en:
+ *
+ * Time, in picoseconds, for the Data Lane receiver to enable
+ * the HS line termination.
+ *
+ * Maximum value: 35000 ps + 4 * @hs_clk_rate period in ps
+ */
+ unsigned int d_term_en;
+
+ /**
+ * @eot:
+ *
+ * Transmitted time interval, in picoseconds, from the start
+ * of @hs_trail or @clk_trail, to the start of the LP- 11
+ * state following a HS burst.
+ *
+ * Maximum value: 105000 ps + 12 * @hs_clk_rate period in ps
+ */
+ unsigned int eot;
+
+ /**
+ * @hs_exit:
+ *
+ * Time, in picoseconds, that the transmitter drives LP-11
+ * following a HS burst.
+ *
+ * Minimum value: 100000 ps
+ */
+ unsigned int hs_exit;
+
+ /**
+ * @hs_prepare:
+ *
+ * Time, in picoseconds, that the transmitter drives the Data
+ * Lane LP-00 Line state immediately before the HS-0 Line
+ * state starting the HS transmission.
+ *
+ * Minimum value: 40000 ps + 4 * @hs_clk_rate period in ps
+ * Maximum value: 85000 ps + 6 * @hs_clk_rate period in ps
+ */
+ unsigned int hs_prepare;
+
+ /**
+ * @hs_settle:
+ *
+ * Time interval, in picoseconds, during which the HS receiver
+ * shall ignore any Data Lane HS transitions, starting from
+ * the beginning of @hs_prepare.
+ *
+ * Minimum value: 85000 ps + 6 * @hs_clk_rate period in ps
+ * Maximum value: 145000 ps + 10 * @hs_clk_rate period in ps
+ */
+ unsigned int hs_settle;
+
+ /**
+ * @hs_skip:
+ *
+ * Time interval, in picoseconds, during which the HS-RX
+ * should ignore any transitions on the Data Lane, following a
+ * HS burst. The end point of the interval is defined as the
+ * beginning of the LP-11 state following the HS burst.
+ *
+ * Minimum value: 40000 ps
+ * Maximum value: 55000 ps + 4 * @hs_clk_rate period in ps
+ */
+ unsigned int hs_skip;
+
+ /**
+ * @hs_trail:
+ *
+ * Time, in picoseconds, that the transmitter drives the
+ * flipped differential state after last payload data bit of a
+ * HS transmission burst
+ *
+ * Minimum value: max(8 * @hs_clk_rate period in ps,
+ * 60000 ps + 4 * @hs_clk_rate period in ps)
+ */
+ unsigned int hs_trail;
+
+ /**
+ * @hs_zero:
+ *
+ * Time, in picoseconds, that the transmitter drives the HS-0
+ * state prior to transmitting the Sync sequence.
+ */
+ unsigned int hs_zero;
+
+ /**
+ * @init:
+ *
+ * Time, in microseconds for the initialization period to
+ * complete.
+ *
+ * Minimum value: 100 us
+ */
+ unsigned int init;
+
+ /**
+ * @lpx:
+ *
+ * Transmitted length, in picoseconds, of any Low-Power state
+ * period.
+ *
+ * Minimum value: 50000 ps
+ */
+ unsigned int lpx;
+
+ /**
+ * @ta_get:
+ *
+ * Time, in picoseconds, that the new transmitter drives the
+ * Bridge state (LP-00) after accepting control during a Link
+ * Turnaround.
+ *
+ * Value: 5 * @lpx
+ */
+ unsigned int ta_get;
+
+ /**
+ * @ta_go:
+ *
+ * Time, in picoseconds, that the transmitter drives the
+ * Bridge state (LP-00) before releasing control during a Link
+ * Turnaround.
+ *
+ * Value: 4 * @lpx
+ */
+ unsigned int ta_go;
+
+ /**
+ * @ta_sure:
+ *
+ * Time, in picoseconds, that the new transmitter waits after
+ * the LP-10 state before transmitting the Bridge state
+ * (LP-00) during a Link Turnaround.
+ *
+ * Minimum value: @lpx
+ * Maximum value: 2 * @lpx
+ */
+ unsigned int ta_sure;
+
+ /**
+ * @wakeup:
+ *
+ * Time, in microseconds, that a transmitter drives a Mark-1
+ * state prior to a Stop state in order to initiate an exit
+ * from ULPS.
+ *
+ * Minimum value: 1000 us
+ */
+ unsigned int wakeup;
+
+ /**
+ * @hs_clk_rate:
+ *
+ * Clock rate, in Hertz, of the high-speed clock.
+ */
+ unsigned long hs_clk_rate;
+
+ /**
+ * @lp_clk_rate:
+ *
+ * Clock rate, in Hertz, of the low-power clock.
+ */
+ unsigned long lp_clk_rate;
+
+ /**
+ * @lanes:
+ *
+ * Number of active, consecutive, data lanes, starting from
+ * lane 0, used for the transmissions.
+ */
+ unsigned char lanes;
+};
+
+int phy_mipi_dphy_get_default_config(unsigned long pixel_clock,
+ unsigned int bpp,
+ unsigned int lanes,
+ struct phy_configure_opts_mipi_dphy *cfg);
+int phy_mipi_dphy_get_default_config_for_hsclk(unsigned long long hs_clk_rate,
+ unsigned int lanes,
+ struct phy_configure_opts_mipi_dphy *cfg);
+int phy_mipi_dphy_config_validate(struct phy_configure_opts_mipi_dphy *cfg);
+
+#endif /* __PHY_MIPI_DPHY_H_ */
diff --git a/include/linux/phy/phy-qcom-ufs.h b/include/linux/phy/phy-qcom-ufs.h
deleted file mode 100644
index 35c070ea6ea3..000000000000
--- a/include/linux/phy/phy-qcom-ufs.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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.
- *
- */
-
-#ifndef PHY_QCOM_UFS_H_
-#define PHY_QCOM_UFS_H_
-
-#include "phy.h"
-
-/**
- * ufs_qcom_phy_enable_dev_ref_clk() - Enable the device
- * ref clock.
- * @phy: reference to a generic phy.
- */
-void ufs_qcom_phy_enable_dev_ref_clk(struct phy *phy);
-
-/**
- * ufs_qcom_phy_disable_dev_ref_clk() - Disable the device
- * ref clock.
- * @phy: reference to a generic phy.
- */
-void ufs_qcom_phy_disable_dev_ref_clk(struct phy *phy);
-
-int ufs_qcom_phy_start_serdes(struct phy *phy);
-int ufs_qcom_phy_set_tx_lane_enable(struct phy *phy, u32 tx_lanes);
-int ufs_qcom_phy_calibrate_phy(struct phy *phy, bool is_rate_B);
-int ufs_qcom_phy_is_pcs_ready(struct phy *phy);
-void ufs_qcom_phy_save_controller_version(struct phy *phy,
- u8 major, u16 minor, u16 step);
-
-#endif /* PHY_QCOM_UFS_H_ */
diff --git a/include/linux/phy/phy-sun4i-usb.h b/include/linux/phy/phy-sun4i-usb.h
index 50aed92ea89c..f3e7b13608e4 100644
--- a/include/linux/phy/phy-sun4i-usb.h
+++ b/include/linux/phy/phy-sun4i-usb.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2015 Hans de Goede <hdegoede@redhat.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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.
*/
#ifndef PHY_SUN4I_USB_H_
@@ -19,7 +11,7 @@
/**
* sun4i_usb_phy_set_squelch_detect() - Enable/disable squelch detect
* @phy: reference to a sun4i usb phy
- * @enabled: wether to enable or disable squelch detect
+ * @enabled: whether to enable or disable squelch detect
*/
void sun4i_usb_phy_set_squelch_detect(struct phy *phy, bool enabled);
diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
index 78bb0d7f6b11..2af0d01ebb39 100644
--- a/include/linux/phy/phy.h
+++ b/include/linux/phy/phy.h
@@ -1,14 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* phy.h -- generic phy header file
*
* Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com
*
* Author: Kishon Vijay Abraham I <kishon@ti.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.
*/
#ifndef __DRIVERS_PHY_H
@@ -20,13 +16,69 @@
#include <linux/pm_runtime.h>
#include <linux/regulator/consumer.h>
+#include <linux/phy/phy-dp.h>
+#include <linux/phy/phy-hdmi.h>
+#include <linux/phy/phy-lvds.h>
+#include <linux/phy/phy-mipi-dphy.h>
+
struct phy;
enum phy_mode {
PHY_MODE_INVALID,
PHY_MODE_USB_HOST,
+ PHY_MODE_USB_HOST_LS,
+ PHY_MODE_USB_HOST_FS,
+ PHY_MODE_USB_HOST_HS,
+ PHY_MODE_USB_HOST_SS,
PHY_MODE_USB_DEVICE,
+ PHY_MODE_USB_DEVICE_LS,
+ PHY_MODE_USB_DEVICE_FS,
+ PHY_MODE_USB_DEVICE_HS,
+ PHY_MODE_USB_DEVICE_SS,
PHY_MODE_USB_OTG,
+ PHY_MODE_UFS_HS_A,
+ PHY_MODE_UFS_HS_B,
+ PHY_MODE_PCIE,
+ PHY_MODE_ETHERNET,
+ PHY_MODE_MIPI_DPHY,
+ PHY_MODE_SATA,
+ PHY_MODE_LVDS,
+ PHY_MODE_DP,
+ PHY_MODE_HDMI,
+};
+
+enum phy_media {
+ PHY_MEDIA_DEFAULT,
+ PHY_MEDIA_SR,
+ PHY_MEDIA_DAC,
+};
+
+enum phy_ufs_state {
+ PHY_UFS_HIBERN8_ENTER,
+ PHY_UFS_HIBERN8_EXIT,
+};
+
+union phy_notify {
+ enum phy_ufs_state ufs_state;
+};
+
+/**
+ * union phy_configure_opts - Opaque generic phy configuration
+ *
+ * @mipi_dphy: Configuration set applicable for phys supporting
+ * the MIPI_DPHY phy mode.
+ * @dp: Configuration set applicable for phys supporting
+ * the DisplayPort protocol.
+ * @lvds: Configuration set applicable for phys supporting
+ * the LVDS phy mode.
+ * @hdmi: Configuration set applicable for phys supporting
+ * the HDMI phy mode.
+ */
+union phy_configure_opts {
+ struct phy_configure_opts_mipi_dphy mipi_dphy;
+ struct phy_configure_opts_dp dp;
+ struct phy_configure_opts_lvds lvds;
+ struct phy_configure_opts_hdmi hdmi;
};
/**
@@ -36,7 +88,12 @@ enum phy_mode {
* @power_on: powering on the phy
* @power_off: powering off the phy
* @set_mode: set the mode of the phy
+ * @set_media: set the media type of the phy (optional)
+ * @set_speed: set the speed of the phy (optional)
* @reset: resetting the phy
+ * @calibrate: calibrate the phy
+ * @notify_phystate: notify and configure the phy for a particular state
+ * @release: ops to be performed while the consumer relinquishes the PHY
* @owner: the module owner containing the ops
*/
struct phy_ops {
@@ -44,17 +101,62 @@ struct phy_ops {
int (*exit)(struct phy *phy);
int (*power_on)(struct phy *phy);
int (*power_off)(struct phy *phy);
- int (*set_mode)(struct phy *phy, enum phy_mode mode);
+ int (*set_mode)(struct phy *phy, enum phy_mode mode, int submode);
+ int (*set_media)(struct phy *phy, enum phy_media media);
+ int (*set_speed)(struct phy *phy, int speed);
+
+ /**
+ * @configure:
+ *
+ * Optional.
+ *
+ * Used to change the PHY parameters. phy_init() must have
+ * been called on the phy.
+ *
+ * Returns: 0 if successful, an negative error code otherwise
+ */
+ int (*configure)(struct phy *phy, union phy_configure_opts *opts);
+
+ /**
+ * @validate:
+ *
+ * Optional.
+ *
+ * Used to check that the current set of parameters can be
+ * handled by the phy. Implementations are free to tune the
+ * parameters passed as arguments if needed by some
+ * implementation detail or constraints. It must not change
+ * any actual configuration of the PHY, so calling it as many
+ * times as deemed fit by the consumer must have no side
+ * effect.
+ *
+ * Returns: 0 if the configuration can be applied, an negative
+ * error code otherwise
+ */
+ int (*validate)(struct phy *phy, enum phy_mode mode, int submode,
+ union phy_configure_opts *opts);
int (*reset)(struct phy *phy);
+ int (*calibrate)(struct phy *phy);
+
+ /* notify phy connect status change */
+ int (*connect)(struct phy *phy, int port);
+ int (*disconnect)(struct phy *phy, int port);
+
+ int (*notify_phystate)(struct phy *phy, union phy_notify state);
+ void (*release)(struct phy *phy);
struct module *owner;
};
/**
* struct phy_attrs - represents phy attributes
* @bus_width: Data path width implemented by PHY
+ * @max_link_rate: Maximum link rate supported by PHY (units to be decided by producer and consumer)
+ * @mode: PHY mode
*/
struct phy_attrs {
u32 bus_width;
+ u32 max_link_rate;
+ enum phy_mode mode;
};
/**
@@ -62,29 +164,34 @@ struct phy_attrs {
* @dev: phy device
* @id: id of the phy device
* @ops: function pointers for performing phy operations
- * @init_data: list of PHY consumers (non-dt only)
* @mutex: mutex to protect phy_ops
+ * @lockdep_key: lockdep information for this mutex
* @init_count: used to protect when the PHY is used by multiple consumers
* @power_count: used to protect when the PHY is used by multiple consumers
- * @phy_attrs: used to specify PHY specific attributes
+ * @attrs: used to specify PHY specific attributes
+ * @pwr: power regulator associated with the phy
+ * @debugfs: debugfs directory
*/
struct phy {
struct device dev;
int id;
const struct phy_ops *ops;
struct mutex mutex;
+ struct lock_class_key lockdep_key;
int init_count;
int power_count;
struct phy_attrs attrs;
struct regulator *pwr;
+ struct dentry *debugfs;
};
/**
* struct phy_provider - represents the phy provider
* @dev: phy provider device
+ * @children: can be used to override the default (dev->of_node) child node
* @owner: the module owner having of_xlate
- * @of_xlate: function pointer to obtain phy instance from phy pointer
* @list: to maintain a linked list of PHY providers
+ * @of_xlate: function pointer to obtain phy instance from phy pointer
*/
struct phy_provider {
struct device *dev;
@@ -92,9 +199,16 @@ struct phy_provider {
struct module *owner;
struct list_head list;
struct phy * (*of_xlate)(struct device *dev,
- struct of_phandle_args *args);
+ const struct of_phandle_args *args);
};
+/**
+ * struct phy_lookup - PHY association in list of phys managed by the phy driver
+ * @node: list node
+ * @dev_id: the device of the association
+ * @con_id: connection ID string on device
+ * @phy: the phy of the association
+ */
struct phy_lookup {
struct list_head node;
const char *dev_id;
@@ -131,14 +245,28 @@ int phy_pm_runtime_get(struct phy *phy);
int phy_pm_runtime_get_sync(struct phy *phy);
int phy_pm_runtime_put(struct phy *phy);
int phy_pm_runtime_put_sync(struct phy *phy);
-void phy_pm_runtime_allow(struct phy *phy);
-void phy_pm_runtime_forbid(struct phy *phy);
int phy_init(struct phy *phy);
int phy_exit(struct phy *phy);
int phy_power_on(struct phy *phy);
int phy_power_off(struct phy *phy);
-int phy_set_mode(struct phy *phy, enum phy_mode mode);
+int phy_set_mode_ext(struct phy *phy, enum phy_mode mode, int submode);
+#define phy_set_mode(phy, mode) \
+ phy_set_mode_ext(phy, mode, 0)
+int phy_set_media(struct phy *phy, enum phy_media media);
+int phy_set_speed(struct phy *phy, int speed);
+int phy_configure(struct phy *phy, union phy_configure_opts *opts);
+int phy_validate(struct phy *phy, enum phy_mode mode, int submode,
+ union phy_configure_opts *opts);
+
+static inline enum phy_mode phy_get_mode(struct phy *phy)
+{
+ return phy->attrs.mode;
+}
int phy_reset(struct phy *phy);
+int phy_calibrate(struct phy *phy);
+int phy_notify_connect(struct phy *phy, int port);
+int phy_notify_disconnect(struct phy *phy, int port);
+int phy_notify_state(struct phy *phy, union phy_notify state);
static inline int phy_get_bus_width(struct phy *phy)
{
return phy->attrs.bus_width;
@@ -148,18 +276,20 @@ static inline void phy_set_bus_width(struct phy *phy, int bus_width)
phy->attrs.bus_width = bus_width;
}
struct phy *phy_get(struct device *dev, const char *string);
-struct phy *phy_optional_get(struct device *dev, const char *string);
struct phy *devm_phy_get(struct device *dev, const char *string);
struct phy *devm_phy_optional_get(struct device *dev, const char *string);
struct phy *devm_of_phy_get(struct device *dev, struct device_node *np,
const char *con_id);
+struct phy *devm_of_phy_optional_get(struct device *dev, struct device_node *np,
+ const char *con_id);
struct phy *devm_of_phy_get_by_index(struct device *dev, struct device_node *np,
int index);
-void phy_put(struct phy *phy);
+void of_phy_put(struct phy *phy);
+void phy_put(struct device *dev, struct phy *phy);
void devm_phy_put(struct device *dev, struct phy *phy);
struct phy *of_phy_get(struct device_node *np, const char *con_id);
struct phy *of_phy_simple_xlate(struct device *dev,
- struct of_phandle_args *args);
+ const struct of_phandle_args *args);
struct phy *phy_create(struct device *dev, struct device_node *node,
const struct phy_ops *ops);
struct phy *devm_phy_create(struct device *dev, struct device_node *node,
@@ -169,11 +299,11 @@ void devm_phy_destroy(struct device *dev, struct phy *phy);
struct phy_provider *__of_phy_provider_register(struct device *dev,
struct device_node *children, struct module *owner,
struct phy * (*of_xlate)(struct device *dev,
- struct of_phandle_args *args));
+ const struct of_phandle_args *args));
struct phy_provider *__devm_of_phy_provider_register(struct device *dev,
struct device_node *children, struct module *owner,
struct phy * (*of_xlate)(struct device *dev,
- struct of_phandle_args *args));
+ const struct of_phandle_args *args));
void of_phy_provider_unregister(struct phy_provider *phy_provider);
void devm_of_phy_provider_unregister(struct device *dev,
struct phy_provider *phy_provider);
@@ -208,55 +338,114 @@ static inline int phy_pm_runtime_put_sync(struct phy *phy)
return -ENOSYS;
}
-static inline void phy_pm_runtime_allow(struct phy *phy)
+static inline int phy_init(struct phy *phy)
{
- return;
+ if (!phy)
+ return 0;
+ return -ENOSYS;
}
-static inline void phy_pm_runtime_forbid(struct phy *phy)
+static inline int phy_exit(struct phy *phy)
{
- return;
+ if (!phy)
+ return 0;
+ return -ENOSYS;
}
-static inline int phy_init(struct phy *phy)
+static inline int phy_power_on(struct phy *phy)
{
if (!phy)
return 0;
return -ENOSYS;
}
-static inline int phy_exit(struct phy *phy)
+static inline int phy_power_off(struct phy *phy)
{
if (!phy)
return 0;
return -ENOSYS;
}
-static inline int phy_power_on(struct phy *phy)
+static inline int phy_set_mode_ext(struct phy *phy, enum phy_mode mode,
+ int submode)
{
if (!phy)
return 0;
return -ENOSYS;
}
-static inline int phy_power_off(struct phy *phy)
+#define phy_set_mode(phy, mode) \
+ phy_set_mode_ext(phy, mode, 0)
+
+static inline int phy_set_media(struct phy *phy, enum phy_media media)
+{
+ if (!phy)
+ return 0;
+ return -ENODEV;
+}
+
+static inline int phy_set_speed(struct phy *phy, int speed)
+{
+ if (!phy)
+ return 0;
+ return -ENODEV;
+}
+
+static inline enum phy_mode phy_get_mode(struct phy *phy)
+{
+ return PHY_MODE_INVALID;
+}
+
+static inline int phy_reset(struct phy *phy)
{
if (!phy)
return 0;
return -ENOSYS;
}
-static inline int phy_set_mode(struct phy *phy, enum phy_mode mode)
+static inline int phy_calibrate(struct phy *phy)
{
if (!phy)
return 0;
return -ENOSYS;
}
-static inline int phy_reset(struct phy *phy)
+static inline int phy_notify_connect(struct phy *phy, int index)
+{
+ if (!phy)
+ return 0;
+ return -ENOSYS;
+}
+
+static inline int phy_notify_disconnect(struct phy *phy, int index)
+{
+ if (!phy)
+ return 0;
+ return -ENOSYS;
+}
+
+static inline int phy_notify_state(struct phy *phy, union phy_notify state)
+{
+ if (!phy)
+ return 0;
+ return -ENOSYS;
+}
+
+static inline int phy_configure(struct phy *phy,
+ union phy_configure_opts *opts)
+{
+ if (!phy)
+ return 0;
+
+ return -ENOSYS;
+}
+
+static inline int phy_validate(struct phy *phy, enum phy_mode mode, int submode,
+ union phy_configure_opts *opts)
{
if (!phy)
return 0;
+
return -ENOSYS;
}
@@ -275,12 +464,6 @@ static inline struct phy *phy_get(struct device *dev, const char *string)
return ERR_PTR(-ENOSYS);
}
-static inline struct phy *phy_optional_get(struct device *dev,
- const char *string)
-{
- return ERR_PTR(-ENOSYS);
-}
-
static inline struct phy *devm_phy_get(struct device *dev, const char *string)
{
return ERR_PTR(-ENOSYS);
@@ -289,7 +472,7 @@ static inline struct phy *devm_phy_get(struct device *dev, const char *string)
static inline struct phy *devm_phy_optional_get(struct device *dev,
const char *string)
{
- return ERR_PTR(-ENOSYS);
+ return NULL;
}
static inline struct phy *devm_of_phy_get(struct device *dev,
@@ -299,6 +482,13 @@ static inline struct phy *devm_of_phy_get(struct device *dev,
return ERR_PTR(-ENOSYS);
}
+static inline struct phy *devm_of_phy_optional_get(struct device *dev,
+ struct device_node *np,
+ const char *con_id)
+{
+ return NULL;
+}
+
static inline struct phy *devm_of_phy_get_by_index(struct device *dev,
struct device_node *np,
int index)
@@ -306,7 +496,11 @@ static inline struct phy *devm_of_phy_get_by_index(struct device *dev,
return ERR_PTR(-ENOSYS);
}
-static inline void phy_put(struct phy *phy)
+static inline void of_phy_put(struct phy *phy)
+{
+}
+
+static inline void phy_put(struct device *dev, struct phy *phy)
{
}
@@ -320,7 +514,7 @@ static inline struct phy *of_phy_get(struct device_node *np, const char *con_id)
}
static inline struct phy *of_phy_simple_xlate(struct device *dev,
- struct of_phandle_args *args)
+ const struct of_phandle_args *args)
{
return ERR_PTR(-ENOSYS);
}
@@ -350,7 +544,7 @@ static inline void devm_phy_destroy(struct device *dev, struct phy *phy)
static inline struct phy_provider *__of_phy_provider_register(
struct device *dev, struct device_node *children, struct module *owner,
struct phy * (*of_xlate)(struct device *dev,
- struct of_phandle_args *args))
+ const struct of_phandle_args *args))
{
return ERR_PTR(-ENOSYS);
}
@@ -358,7 +552,7 @@ static inline struct phy_provider *__of_phy_provider_register(
static inline struct phy_provider *__devm_of_phy_provider_register(struct device
*dev, struct device_node *children, struct module *owner,
struct phy * (*of_xlate)(struct device *dev,
- struct of_phandle_args *args))
+ const struct of_phandle_args *args))
{
return ERR_PTR(-ENOSYS);
}
diff --git a/include/linux/phy/tegra/xusb.h b/include/linux/phy/tegra/xusb.h
index 8e1a57a78d9f..6ca51e0080ec 100644
--- a/include/linux/phy/tegra/xusb.h
+++ b/include/linux/phy/tegra/xusb.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
- * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope 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.
+ * Copyright (c) 2016-2022, NVIDIA CORPORATION. All rights reserved.
*/
#ifndef PHY_TEGRA_XUSB_H
@@ -16,6 +8,7 @@
struct tegra_xusb_padctl;
struct device;
+enum usb_device_speed;
struct tegra_xusb_padctl *tegra_xusb_padctl_get(struct device *dev);
void tegra_xusb_padctl_put(struct tegra_xusb_padctl *padctl);
@@ -26,5 +19,19 @@ int tegra_xusb_padctl_hsic_set_idle(struct tegra_xusb_padctl *padctl,
unsigned int port, bool idle);
int tegra_xusb_padctl_usb3_set_lfps_detect(struct tegra_xusb_padctl *padctl,
unsigned int port, bool enable);
+int tegra_xusb_padctl_set_vbus_override(struct tegra_xusb_padctl *padctl,
+ bool val);
+void tegra_phy_xusb_utmi_pad_power_on(struct phy *phy);
+void tegra_phy_xusb_utmi_pad_power_down(struct phy *phy);
+int tegra_phy_xusb_utmi_port_reset(struct phy *phy);
+int tegra_xusb_padctl_get_usb3_companion(struct tegra_xusb_padctl *padctl,
+ unsigned int port);
+int tegra_xusb_padctl_get_port_number(struct phy *phy);
+int tegra_xusb_padctl_enable_phy_sleepwalk(struct tegra_xusb_padctl *padctl, struct phy *phy,
+ enum usb_device_speed speed);
+int tegra_xusb_padctl_disable_phy_sleepwalk(struct tegra_xusb_padctl *padctl, struct phy *phy);
+int tegra_xusb_padctl_enable_phy_wake(struct tegra_xusb_padctl *padctl, struct phy *phy);
+int tegra_xusb_padctl_disable_phy_wake(struct tegra_xusb_padctl *padctl, struct phy *phy);
+bool tegra_xusb_padctl_remote_wake_detected(struct tegra_xusb_padctl *padctl, struct phy *phy);
#endif /* PHY_TEGRA_XUSB_H */
diff --git a/include/linux/phy/ulpi_phy.h b/include/linux/phy/ulpi_phy.h
index f2ebe490a4bc..7054b440347c 100644
--- a/include/linux/phy/ulpi_phy.h
+++ b/include/linux/phy/ulpi_phy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/phy/phy.h>
/**