Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
index 9713aeb..15032f1 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
@@ -20,6 +16,8 @@
#include <linux/pm_runtime.h>
#include <linux/regulator/consumer.h>
+#include <linux/phy/phy-mipi-dphy.h>
+
struct phy;
enum phy_mode {
@@ -35,11 +33,22 @@
PHY_MODE_USB_DEVICE_HS,
PHY_MODE_USB_DEVICE_SS,
PHY_MODE_USB_OTG,
- PHY_MODE_SGMII,
- PHY_MODE_2500SGMII,
- PHY_MODE_10GKR,
PHY_MODE_UFS_HS_A,
PHY_MODE_UFS_HS_B,
+ PHY_MODE_PCIE,
+ PHY_MODE_ETHERNET,
+ PHY_MODE_MIPI_DPHY,
+ PHY_MODE_SATA
+};
+
+/**
+ * union phy_configure_opts - Opaque generic phy configuration
+ *
+ * @mipi_dphy: Configuration set applicable for phys supporting
+ * the MIPI_DPHY phy mode.
+ */
+union phy_configure_opts {
+ struct phy_configure_opts_mipi_dphy mipi_dphy;
};
/**
@@ -51,6 +60,7 @@
* @set_mode: set the mode of the phy
* @reset: resetting the phy
* @calibrate: calibrate the phy
+ * @release: ops to be performed while the consumer relinquishes the PHY
* @owner: the module owner containing the ops
*/
struct phy_ops {
@@ -58,15 +68,48 @@
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);
+
+ /**
+ * @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);
+ void (*release)(struct phy *phy);
struct module *owner;
};
/**
* struct phy_attrs - represents phy attributes
* @bus_width: Data path width implemented by PHY
+ * @mode: PHY mode
*/
struct phy_attrs {
u32 bus_width;
@@ -78,7 +121,6 @@
* @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
* @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
@@ -162,7 +204,13 @@
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_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;
@@ -276,13 +324,17 @@
return -ENOSYS;
}
-static inline int phy_set_mode(struct phy *phy, enum phy_mode mode)
+static inline int phy_set_mode_ext(struct phy *phy, enum phy_mode mode,
+ int submode)
{
if (!phy)
return 0;
return -ENOSYS;
}
+#define phy_set_mode(phy, mode) \
+ phy_set_mode_ext(phy, mode, 0)
+
static inline enum phy_mode phy_get_mode(struct phy *phy)
{
return PHY_MODE_INVALID;
@@ -302,6 +354,24 @@
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;
+}
+
static inline int phy_get_bus_width(struct phy *phy)
{
return -ENOSYS;