diff options
Diffstat (limited to 'include/linux/phy')
| -rw-r--r-- | include/linux/phy/phy-common-props.h | 32 | ||||
| -rw-r--r-- | include/linux/phy/phy-hdmi.h | 36 | ||||
| -rw-r--r-- | include/linux/phy/phy.h | 47 |
3 files changed, 97 insertions, 18 deletions
diff --git a/include/linux/phy/phy-common-props.h b/include/linux/phy/phy-common-props.h new file mode 100644 index 000000000000..680e13de4558 --- /dev/null +++ b/include/linux/phy/phy-common-props.h @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * phy-common-props.h -- Common properties for generic PHYs + * + * Copyright 2025 NXP + */ + +#ifndef __PHY_COMMON_PROPS_H +#define __PHY_COMMON_PROPS_H + +#include <dt-bindings/phy/phy.h> + +struct fwnode_handle; + +int __must_check phy_get_rx_polarity(struct fwnode_handle *fwnode, + const char *mode_name, + unsigned int supported, + unsigned int default_val, + unsigned int *val); +int __must_check phy_get_tx_polarity(struct fwnode_handle *fwnode, + const char *mode_name, + unsigned int supported, + unsigned int default_val, + unsigned int *val); +int __must_check phy_get_manual_rx_polarity(struct fwnode_handle *fwnode, + const char *mode_name, + unsigned int *val); +int __must_check phy_get_manual_tx_polarity(struct fwnode_handle *fwnode, + const char *mode_name, + unsigned int *val); + +#endif /* __PHY_COMMON_PROPS_H */ diff --git a/include/linux/phy/phy-hdmi.h b/include/linux/phy/phy-hdmi.h new file mode 100644 index 000000000000..d4cf4430ee8f --- /dev/null +++ b/include/linux/phy/phy-hdmi.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2022,2024 NXP + */ + +#ifndef __PHY_HDMI_H_ +#define __PHY_HDMI_H_ + +#include <linux/types.h> + +enum phy_hdmi_mode { + PHY_HDMI_MODE_TMDS, + PHY_HDMI_MODE_FRL, +}; + +/** + * struct phy_configure_opts_hdmi - HDMI configuration set + * @bpc: Bits per color channel. + * @tmds_char_rate: HDMI TMDS Character Rate in Hertz. + * @frl.rate_per_lane: HDMI FRL Rate per Lane in Gbps. + * @frl.lanes: HDMI FRL lanes count. + * + * This structure is used to represent the configuration state of a HDMI phy. + */ +struct phy_configure_opts_hdmi { + unsigned int bpc; + union { + unsigned long long tmds_char_rate; + struct { + u8 rate_per_lane; + u8 lanes; + } frl; + }; +}; + +#endif /* __PHY_HDMI_H_ */ diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index 03cd5bae92d3..ea47975e288a 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -17,6 +17,7 @@ #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> @@ -42,7 +43,8 @@ enum phy_mode { PHY_MODE_MIPI_DPHY, PHY_MODE_SATA, PHY_MODE_LVDS, - PHY_MODE_DP + PHY_MODE_DP, + PHY_MODE_HDMI, }; enum phy_media { @@ -51,6 +53,15 @@ enum phy_media { 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 * @@ -60,11 +71,14 @@ enum phy_media { * 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; }; /** @@ -78,6 +92,7 @@ union phy_configure_opts { * @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 */ @@ -127,6 +142,7 @@ struct phy_ops { 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; }; @@ -149,6 +165,7 @@ struct phy_attrs { * @id: id of the phy device * @ops: function pointers for performing phy operations * @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 * @attrs: used to specify PHY specific attributes @@ -160,6 +177,7 @@ struct phy { 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; @@ -225,10 +243,8 @@ static inline void *phy_get_drvdata(struct phy *phy) #if IS_ENABLED(CONFIG_GENERIC_PHY) 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); +void 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); @@ -250,6 +266,7 @@ 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; @@ -307,11 +324,8 @@ static inline int phy_pm_runtime_get_sync(struct phy *phy) return -ENOSYS; } -static inline int phy_pm_runtime_put(struct phy *phy) +static inline void phy_pm_runtime_put(struct phy *phy) { - if (!phy) - return 0; - return -ENOSYS; } static inline int phy_pm_runtime_put_sync(struct phy *phy) @@ -321,16 +335,6 @@ static inline int phy_pm_runtime_put_sync(struct phy *phy) return -ENOSYS; } -static inline void phy_pm_runtime_allow(struct phy *phy) -{ - return; -} - -static inline void phy_pm_runtime_forbid(struct phy *phy) -{ - return; -} - static inline int phy_init(struct phy *phy) { if (!phy) @@ -417,6 +421,13 @@ static inline int phy_notify_disconnect(struct phy *phy, int index) 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) { |