/* * Copyright (c) 2013 ETH Zurich. All rights reserved. * * This file is distributed under the terms in the attached LICENSE file. * If you do not find this file, copies can be found by writing to: * ETH Zurich D-INFK, CAB F.78, Universitaetstr. 6, CH-8092 Zurich, * Attn: Systems Group. */ /* * omap44xx_hdq_1_wire.dev * * DESCRIPTION: * * NOTE: This file has been automatically generated based on the * XML files extracted from the TI RDT v1.0.0.4p Tool. * Download from here: http://www.ti.com/product/omap4460 * This means that the file might not be optimal in terms of naming * conventions for constants and registers (duplicated * namespaces in register and device name etc.). * Also, because of the underlying structure from the original XML * it's possible that some constants appear multiple times (if they * have slightly different descriptions for example). * * You want to clean that up before using the files for the first time! */ device omap44xx_hdq_1_wire msbfirst ( addr base ) "" { register hdq_revision ro addr(base, 0x0) "This register contains the IP revision code" type(uint32); register hdq_tx_data addr(base, 0x4) "This register contains the data to be transmitted." { _ 24 mbz; tx_data 8 rw "Transmit data (used in both HDQ and 1-Wire modes)"; }; register hdq_rx_data addr(base, 0x8) "This register contains the data to be received." { _ 24 mbz; rx_data 8 ro "Receive data (used in both HDQ and 1-Wire modes)"; }; register hdq_ctrl_status addr(base, 0xC) "This register provides status information about the module." { _ 24 mbz; one_wire_single_bit 1 rw "Single-bit mode for 1-Wire0x0: Disabled 0x1: Enabled"; interruptmask 1 rw "Interrupt masking bit0x0: Interrupts disable 0x1: Interrupts enable"; clockenable 1 rw "Power-down mode bit0x0: Clock disable (power down)0x1: Clock enable"; go 1 rw "Go bit. Write 1 to start the appropriate operation. Bit returns to 0 after the operation is complete."; presencedetect 1 ro "Slave presence indicator. Actual only just after initialization time-out. Used in 1-Wire mode. Read-only flag.0x0: No slave detected0x1: Slave detected"; initialization 1 rw "Write 1 to send initialization pulse. Bit returns to 0 after pulse is sent."; dir 1 rw "DIR bit, determines if next command is read or write0x0: Write 0x1: Read"; mode 1 rw "Mode selection bit0x0: HDQ mode 0x1: 1-Wire mode"; }; register hdq_int_status addr(base, 0x10) "This register controls interrupts status" { _ 29 mbz; txcomplete 1 ro "TX-complete interrupt flag.Set to 1 if cause of interrupt. Set to 0 when register read."; rxcomplete 1 ro "Read-complete interrupt flag.Set to 1 if cause of interrupt. Set to 0 when register read."; timeout 1 ro "Presence detect/timeout interrupt flag.In 1-Wire mode, set to 1 if slave's presence detected. In HDQ mode, set to 1 if timeout on read occurs. Set to 0 when register read."; }; register hdq_sysconfig addr(base, 0x14) "This register controls various bits" { _ 30 mbz; softreset 1 rw "Start soft reset sequence.0x0: Disabled 0x1: Enabled"; autoidle 1 rw "Interconnect idle.0x0: Module clock is free-running. 0x1: Module is in power saving mode: Clock is running only when module is accessed or inside logic is in function to process events."; }; register hdq_sysstatus addr(base, 0x18) "This register monitors the reset sequence." { _ 31 mbz; resetdone 1 ro "Reset monitoring.0x0: The module is currently performing its reset. When the module is in power-down mode, set to 0 to indicate this fact. 0x1: The module has finished its reset."; }; };