diff options
Diffstat (limited to 'Documentation/spi')
| -rw-r--r-- | Documentation/spi/spi-lm70llp | 10 | ||||
| -rw-r--r-- | Documentation/spi/spi-summary | 2 |
2 files changed, 11 insertions, 1 deletions
diff --git a/Documentation/spi/spi-lm70llp b/Documentation/spi/spi-lm70llp index 154bd02220b..34a9cfd746b 100644 --- a/Documentation/spi/spi-lm70llp +++ b/Documentation/spi/spi-lm70llp @@ -13,10 +13,20 @@ Description This driver provides glue code connecting a National Semiconductor LM70 LLP temperature sensor evaluation board to the kernel's SPI core subsystem. +This is a SPI master controller driver. It can be used in conjunction with +(layered under) the LM70 logical driver (a "SPI protocol driver"). In effect, this driver turns the parallel port interface on the eval board into a SPI bus with a single device, which will be driven by the generic LM70 driver (drivers/hwmon/lm70.c). + +Hardware Interfacing +-------------------- +The schematic for this particular board (the LM70EVAL-LLP) is +available (on page 4) here: + + http://www.national.com/appinfo/tempsensors/files/LM70LLPEVALmanual.pdf + The hardware interfacing on the LM70 LLP eval board is as follows: Parallel LM70 LLP diff --git a/Documentation/spi/spi-summary b/Documentation/spi/spi-summary index 8bae2f018d3..0f5122eb282 100644 --- a/Documentation/spi/spi-summary +++ b/Documentation/spi/spi-summary @@ -215,7 +215,7 @@ So for example arch/.../mach-*/board-*.c files might have code like: /* if your mach-* infrastructure doesn't support kernels that can * run on multiple boards, pdata wouldn't benefit from "__init". */ - static struct mysoc_spi_data __init pdata = { ... }; + static struct mysoc_spi_data __initdata pdata = { ... }; static __init board_init(void) { |