mraa: Remove trailing whitespace/tabs from various parts

[contrib/mraa.git] / docs / minnow_max.md

diff --git a/docs/minnow_max.md b/docs/minnow_max.md
index 1b6df7e..deadb4c 100644 (file)
--- a/docs/minnow_max.md
+++ b/docs/minnow_max.md
@@ -12,6 +12,12 @@ Supported Firmware
 ------------------
 mraa has only been tested with 64 bit firmware version 0.73 or later.
 
+SPI
+---
+For SPI support you need to load the low_speed_spidev kernel module and that
+will create the /dev/spidev0.0 device node. Mraa only knows about this one SPI
+bus and no other.
+
 Interface notes
 ---------------
 The low speed I/O connector supported as per table below.  This assumes default
@@ -22,21 +28,19 @@ will not behave as expected.
 Documentation shows i2c on bus #5, ACPI shows it on bus #6, but driver uses
 bus #7.
 
-**SPI operation is not currently supported**
-
 | MRAA Number | Physical Pin  | Function   | Sysfs GPIO | Notes                |
 |-------------|---------------|------------|------------|----------------------|
 | 1           | 1             | GND        |            |                      |
 | 2           | 2             | GND        |            |                      |
 | 3           | 3             | 5v         |            |                      |
 | 4           | 4             | 3.3v       |            |                      |
-| 5           | 5             | SPI_CS     | 220        | SPI (not supported)  |
+| 5           | 5             | SPI_CS     | 220        | SPI (via low_speed)  |
 | 6           | 6             | UART1_TXD  | 225        | UART1                |
-| 7           | 7             | SPI_MISO   | 221        | SPI (not supported)  |
+| 7           | 7             | SPI_MISO   | 221        | SPI (via low_speed)  |
 | 8           | 8             | UART1_RXD  | 224        | UART1                |
-| 9           | 9             | SPI_MOSI   | 222        | SPI (not supported)  |
+| 9           | 9             | SPI_MOSI   | 222        | SPI (via low_speed)  |
 | 10          | 10            | UART1_CTS  | 227        | GPIO                 |
-| 11          | 11            | SPI_CLK    | 223        | SPI (not supported)  |
+| 11          | 11            | SPI_CLK    | 223        | SPI (via low_speed)  |
 | 12          | 12            | UART1_RTS  | 226        | GPIO                 |
 | 13          | 13            | I2C_SCL    | 243        | /dev/i2c-7           |
 | 14          | 14            | I2S_CLK    | 216        | GPIO                 |