diff options
Diffstat (limited to 'include/linux/platform_data')
| -rw-r--r-- | include/linux/platform_data/brcmfmac.h | 2 | ||||
| -rw-r--r-- | include/linux/platform_data/mlxreg.h | 82 | ||||
| -rw-r--r-- | include/linux/platform_data/ti-sysc.h | 3 | ||||
| -rw-r--r-- | include/linux/platform_data/x86/soc.h | 65 |
4 files changed, 151 insertions, 1 deletions
diff --git a/include/linux/platform_data/brcmfmac.h b/include/linux/platform_data/brcmfmac.h index 1d30bf278231..2b5676ff35be 100644 --- a/include/linux/platform_data/brcmfmac.h +++ b/include/linux/platform_data/brcmfmac.h @@ -125,7 +125,7 @@ struct brcmfmac_pd_cc_entry { */ struct brcmfmac_pd_cc { int table_size; - struct brcmfmac_pd_cc_entry table[0]; + struct brcmfmac_pd_cc_entry table[]; }; /** diff --git a/include/linux/platform_data/mlxreg.h b/include/linux/platform_data/mlxreg.h index 101333fe2b8d..40185f9d7c14 100644 --- a/include/linux/platform_data/mlxreg.h +++ b/include/linux/platform_data/mlxreg.h @@ -25,12 +25,75 @@ enum mlxreg_wdt_type { }; /** + * enum mlxreg_hotplug_kind - kind of hotplug entry + * + * @MLXREG_HOTPLUG_DEVICE_NA: do not care; + * @MLXREG_HOTPLUG_LC_PRESENT: entry for line card presence in/out events; + * @MLXREG_HOTPLUG_LC_VERIFIED: entry for line card verification status events + * coming after line card security signature validation; + * @MLXREG_HOTPLUG_LC_POWERED: entry for line card power on/off events; + * @MLXREG_HOTPLUG_LC_SYNCED: entry for line card synchronization events, coming + * after hardware-firmware synchronization handshake; + * @MLXREG_HOTPLUG_LC_READY: entry for line card ready events, indicating line card + PHYs ready / unready state; + * @MLXREG_HOTPLUG_LC_ACTIVE: entry for line card active events, indicating firmware + * availability / unavailability for the ports on line card; + * @MLXREG_HOTPLUG_LC_THERMAL: entry for line card thermal shutdown events, positive + * event indicates that system should power off the line + * card for which this event has been received; + */ +enum mlxreg_hotplug_kind { + MLXREG_HOTPLUG_DEVICE_NA = 0, + MLXREG_HOTPLUG_LC_PRESENT = 1, + MLXREG_HOTPLUG_LC_VERIFIED = 2, + MLXREG_HOTPLUG_LC_POWERED = 3, + MLXREG_HOTPLUG_LC_SYNCED = 4, + MLXREG_HOTPLUG_LC_READY = 5, + MLXREG_HOTPLUG_LC_ACTIVE = 6, + MLXREG_HOTPLUG_LC_THERMAL = 7, +}; + +/** + * enum mlxreg_hotplug_device_action - hotplug device action required for + * driver's connectivity + * + * @MLXREG_HOTPLUG_DEVICE_DEFAULT_ACTION: probe device for 'on' event, remove + * for 'off' event; + * @MLXREG_HOTPLUG_DEVICE_PLATFORM_ACTION: probe platform device for 'on' + * event, remove for 'off' event; + * @MLXREG_HOTPLUG_DEVICE_NO_ACTION: no connectivity action is required; + */ +enum mlxreg_hotplug_device_action { + MLXREG_HOTPLUG_DEVICE_DEFAULT_ACTION = 0, + MLXREG_HOTPLUG_DEVICE_PLATFORM_ACTION = 1, + MLXREG_HOTPLUG_DEVICE_NO_ACTION = 2, +}; + +/** + * struct mlxreg_core_hotplug_notifier - hotplug notifier block: + * + * @identity: notifier identity name; + * @handle: user handle to be passed by user handler function; + * @user_handler: user handler function associated with the event; + */ +struct mlxreg_core_hotplug_notifier { + char identity[MLXREG_CORE_LABEL_MAX_SIZE]; + void *handle; + int (*user_handler)(void *handle, enum mlxreg_hotplug_kind kind, u8 action); +}; + +/** * struct mlxreg_hotplug_device - I2C device data: * * @adapter: I2C device adapter; * @client: I2C device client; * @brdinfo: device board information; * @nr: I2C device adapter number, to which device is to be attached; + * @pdev: platform device, if device is instantiated as a platform device; + * @action: action to be performed upon event receiving; + * @handle: user handle to be passed by user handler function; + * @user_handler: user handler function associated with the event; + * @notifier: pointer to event notifier block; * * Structure represents I2C hotplug device static data (board topology) and * dynamic data (related kernel objects handles). @@ -40,6 +103,11 @@ struct mlxreg_hotplug_device { struct i2c_client *client; struct i2c_board_info *brdinfo; int nr; + struct platform_device *pdev; + enum mlxreg_hotplug_device_action action; + void *handle; + int (*user_handler)(void *handle, enum mlxreg_hotplug_kind kind, u8 action); + struct mlxreg_core_hotplug_notifier *notifier; }; /** @@ -51,12 +119,18 @@ struct mlxreg_hotplug_device { * @bit: attribute effective bit; * @capability: attribute capability register; * @reg_prsnt: attribute presence register; + * @reg_sync: attribute synch register; + * @reg_pwr: attribute power register; + * @reg_ena: attribute enable register; * @mode: access mode; * @np - pointer to node platform associated with attribute; * @hpdev - hotplug device data; + * @notifier: pointer to event notifier block; * @health_cntr: dynamic device health indication counter; * @attached: true if device has been attached after good health indication; * @regnum: number of registers occupied by multi-register attribute; + * @slot: slot number, at which device is located; + * @secured: if set indicates that entry access is secured; */ struct mlxreg_core_data { char label[MLXREG_CORE_LABEL_MAX_SIZE]; @@ -65,18 +139,25 @@ struct mlxreg_core_data { u32 bit; u32 capability; u32 reg_prsnt; + u32 reg_sync; + u32 reg_pwr; + u32 reg_ena; umode_t mode; struct device_node *np; struct mlxreg_hotplug_device hpdev; + struct mlxreg_core_hotplug_notifier *notifier; u32 health_cntr; bool attached; u8 regnum; + u8 slot; + u8 secured; }; /** * struct mlxreg_core_item - same type components controlled by the driver: * * @data: component data; + * @kind: kind of hotplug attribute; * @aggr_mask: group aggregation mask; * @reg: group interrupt status register; * @mask: group interrupt mask; @@ -89,6 +170,7 @@ struct mlxreg_core_data { */ struct mlxreg_core_item { struct mlxreg_core_data *data; + enum mlxreg_hotplug_kind kind; u32 aggr_mask; u32 reg; u32 mask; diff --git a/include/linux/platform_data/ti-sysc.h b/include/linux/platform_data/ti-sysc.h index 9837fb011f2f..eb556f988d57 100644 --- a/include/linux/platform_data/ti-sysc.h +++ b/include/linux/platform_data/ti-sysc.h @@ -50,6 +50,9 @@ struct sysc_regbits { s8 emufree_shift; }; +#define SYSC_MODULE_QUIRK_OTG BIT(30) +#define SYSC_QUIRK_RESET_ON_CTX_LOST BIT(29) +#define SYSC_QUIRK_REINIT_ON_CTX_LOST BIT(28) #define SYSC_QUIRK_REINIT_ON_RESUME BIT(27) #define SYSC_QUIRK_GPMC_DEBUG BIT(26) #define SYSC_MODULE_QUIRK_ENA_RESETDONE BIT(25) diff --git a/include/linux/platform_data/x86/soc.h b/include/linux/platform_data/x86/soc.h new file mode 100644 index 000000000000..da05f425587a --- /dev/null +++ b/include/linux/platform_data/x86/soc.h @@ -0,0 +1,65 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Helpers for Intel SoC model detection + * + * Copyright (c) 2019, Intel Corporation. + */ + +#ifndef __PLATFORM_DATA_X86_SOC_H +#define __PLATFORM_DATA_X86_SOC_H + +#if IS_ENABLED(CONFIG_X86) + +#include <asm/cpu_device_id.h> +#include <asm/intel-family.h> + +#define SOC_INTEL_IS_CPU(soc, type) \ +static inline bool soc_intel_is_##soc(void) \ +{ \ + static const struct x86_cpu_id soc##_cpu_ids[] = { \ + X86_MATCH_INTEL_FAM6_MODEL(type, NULL), \ + {} \ + }; \ + const struct x86_cpu_id *id; \ + \ + id = x86_match_cpu(soc##_cpu_ids); \ + if (id) \ + return true; \ + return false; \ +} + +SOC_INTEL_IS_CPU(byt, ATOM_SILVERMONT); +SOC_INTEL_IS_CPU(cht, ATOM_AIRMONT); +SOC_INTEL_IS_CPU(apl, ATOM_GOLDMONT); +SOC_INTEL_IS_CPU(glk, ATOM_GOLDMONT_PLUS); +SOC_INTEL_IS_CPU(cml, KABYLAKE_L); + +#else /* IS_ENABLED(CONFIG_X86) */ + +static inline bool soc_intel_is_byt(void) +{ + return false; +} + +static inline bool soc_intel_is_cht(void) +{ + return false; +} + +static inline bool soc_intel_is_apl(void) +{ + return false; +} + +static inline bool soc_intel_is_glk(void) +{ + return false; +} + +static inline bool soc_intel_is_cml(void) +{ + return false; +} +#endif /* IS_ENABLED(CONFIG_X86) */ + +#endif /* __PLATFORM_DATA_X86_SOC_H */ |