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Created page with "{{InfoBoxTop}} {{Applies To Naon}} {{Applies To Linux}} {{InfoBoxBottom}} === Introduction === This article shows how to enable the SPI1 and SPI3 interfaces which can be use..."
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{{Applies To Naon}}
{{Applies To Linux}}
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=== Introduction ===
This article shows how to enable the SPI1 and SPI3 interfaces which can be used in a standard Linux application.
=== Pin Mux Option ===
SPI1 signals are available at different Naon pins. The following configuration can be used:
==== Option 1 ====
{|class="wikitable" style="text-align:right"
!Signal
!Naon Connector Phisical Pin
!CPU Ball
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=== U-Boot patches ===
{{ImportantMessage|text=The patches below applies to NELK 4.0.0 and above U-Boot source tree.}}
The files <code>arch/arm/mach-omap2/board-diva.c</code> and <code>arch/arm/mach-omap2/diva_pinmux_table.h</code> must be modified according to the following patches:
<diff>
</diff>
U-Boot must be rebuilt to make these modifications effective.
=== Linux kernel patches ===
{{ImportantMessage|text=The patches below applies to NELK 4.0.0 and above Linux source tree.}}
The files <code>arch/arm/mach-omap2/board-diva.c</code> and <code>arch/arm/mach-omap2/diva_pinmux_table.h</code> must be modified according to the following patches:
<diff>
</diff>
The kernel must be rebuilt to make these modifications effective.
=== Using the interfaces ===
Users can access the peripherals connected to the SP1 and SPI3 buses through the <code>spidev</code> interface. For further information, please refer to
* https://www.kernel.org/doc/Documentation/spi/spidev
* https://www.kernel.org/doc/Documentation/spi/spidev_test.c
=== Patch download ===
* U-Boot:
* Linux:
{{Applies To Naon}}
{{Applies To Linux}}
{{InfoBoxBottom}}
=== Introduction ===
This article shows how to enable the SPI1 and SPI3 interfaces which can be used in a standard Linux application.
=== Pin Mux Option ===
SPI1 signals are available at different Naon pins. The following configuration can be used:
==== Option 1 ====
{|class="wikitable" style="text-align:right"
!Signal
!Naon Connector Phisical Pin
!CPU Ball
|-
|
|
|
|-
|
|
|
|-
|
|
|
|-
|
|
|
|-
|
|
|
|}
=== U-Boot patches ===
{{ImportantMessage|text=The patches below applies to NELK 4.0.0 and above U-Boot source tree.}}
The files <code>arch/arm/mach-omap2/board-diva.c</code> and <code>arch/arm/mach-omap2/diva_pinmux_table.h</code> must be modified according to the following patches:
<diff>
</diff>
U-Boot must be rebuilt to make these modifications effective.
=== Linux kernel patches ===
{{ImportantMessage|text=The patches below applies to NELK 4.0.0 and above Linux source tree.}}
The files <code>arch/arm/mach-omap2/board-diva.c</code> and <code>arch/arm/mach-omap2/diva_pinmux_table.h</code> must be modified according to the following patches:
<diff>
</diff>
The kernel must be rebuilt to make these modifications effective.
=== Using the interfaces ===
Users can access the peripherals connected to the SP1 and SPI3 buses through the <code>spidev</code> interface. For further information, please refer to
* https://www.kernel.org/doc/Documentation/spi/spidev
* https://www.kernel.org/doc/Documentation/spi/spidev_test.c
=== Patch download ===
* U-Boot:
* Linux:
