diff options
Diffstat (limited to 'include/linux/soc/ti/ti_sci_protocol.h')
-rw-r--r-- | include/linux/soc/ti/ti_sci_protocol.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/linux/soc/ti/ti_sci_protocol.h b/include/linux/soc/ti/ti_sci_protocol.h index 8adcb45d4b5c..f2d1d74ab8fc 100644 --- a/include/linux/soc/ti/ti_sci_protocol.h +++ b/include/linux/soc/ti/ti_sci_protocol.h @@ -195,9 +195,47 @@ struct ti_sci_clk_ops { u64 *current_freq); }; +/* TISCI LPM wake up sources */ +#define TISCI_MSG_VALUE_LPM_WAKE_SOURCE_WKUP_I2C0 0x00 +#define TISCI_MSG_VALUE_LPM_WAKE_SOURCE_WKUP_UART0 0x10 +#define TISCI_MSG_VALUE_LPM_WAKE_SOURCE_MCU_GPIO0 0x20 +#define TISCI_MSG_VALUE_LPM_WAKE_SOURCE_WKUP_ICEMELTER0 0x30 +#define TISCI_MSG_VALUE_LPM_WAKE_SOURCE_WKUP_TIMER0 0x40 +#define TISCI_MSG_VALUE_LPM_WAKE_SOURCE_WKUP_TIMER1 0x41 +#define TISCI_MSG_VALUE_LPM_WAKE_SOURCE_WKUP_RTC0 0x50 +#define TISCI_MSG_VALUE_LPM_WAKE_SOURCE_RESET 0x60 +#define TISCI_MSG_VALUE_LPM_WAKE_SOURCE_USB0 0x70 +#define TISCI_MSG_VALUE_LPM_WAKE_SOURCE_USB1 0x71 +#define TISCI_MSG_VALUE_LPM_WAKE_SOURCE_MAIN_IO 0x80 +#define TISCI_MSG_VALUE_LPM_WAKE_SOURCE_MCU_IO 0x81 +#define TISCI_MSG_VALUE_LPM_WAKE_SOURCE_CAN_IO 0x82 +#define TISCI_MSG_VALUE_LPM_WAKE_SOURCE_INVALID 0xFF + +/* TISCI LPM IO isolation control values */ +#define TISCI_MSG_VALUE_IO_ENABLE 1 +#define TISCI_MSG_VALUE_IO_DISABLE 0 + +/** + * struct ti_sci_pm_ops - Low Power Mode (LPM) control operations + * @prepare_sleep: Prepare to enter low power mode + * - mode: Low power mode to enter. + * - ctx_lo: Low 32-bits of physical address for context save. + * - ctx_hi: High 32-bits of physical address for context save. + * - ctx_lo: 'true' if frequency change is desired. + * - debug_flags: JTAG control flags for debug. + * @lpm_wake_reason: Get the wake up source that woke the SoC from LPM + * - source: The wake up source that woke soc from LPM. + * - timestamp: Timestamp at which soc woke. + * @set_io_isolation: Enable or disable IO isolation + * - state: The desired state of the IO isolation. + */ struct ti_sci_pm_ops { int (*prepare_sleep)(const struct ti_sci_handle *handle, u8 mode, u32 ctx_lo, u32 ctx_hi, u32 flags); + int (*lpm_wake_reason)(const struct ti_sci_handle *handle, + u32 *source, u64 *timestamp); + int (*set_io_isolation)(const struct ti_sci_handle *handle, + u8 state); }; /** |