1 .\" $NetBSD: spi.4,v 1.3 2006/10/13 21:17:57 wiz Exp $
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4 .\" Copyright (c) 2006 Garrett D'Amore.
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7 .\" Portions of this code were written by Garrett D'Amore for the
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47 .Nd introduction to machine-independent SPI bus support and drivers
49 .Cd "spi* at mainbus?"
51 Other attachments are machine-dependent and will depend on the bus topology
55 for your system for more information.
58 includes a machine dependent
60 (Serial Peripheral Interface) bus subsystem, and several different
65 Your system may support additional machine-dependent SPI devices.
68 for additional information.
71 is a 4-wire synchronous full-duplex serial bus.
72 Some systems provide support for
76 name for a strict subset of SPI, with more rigidly defined signaling.
79 devices are also supported by the
83 Note that when referencing
91 lacks any way to automatically probe devices.
94 includes the following machine-independent
97 .Bl -tag -width pcdisplay -offset indent
99 STMicroelectronics M25P family of NOR flash devices.
101 Texas Instruments TMP121 temperature sensor.
107 The machine-independent
109 framework was written by
112 Champaign-Urbana Community Wireless Network Project (CUWiN), and