Commit 8635d6b3 authored by Tony Lindgren's avatar Tony Lindgren Committed by Sebastian Reichel
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dt-bindings: hsi: add omap4 hsi controller bindings 



Update omap-ssi binding document to also cover the HSI
compliant module from OMAP4.

Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
[dropped the omap.dtsi update and updated patch description accordingly]
Signed-off-by: default avatarSebastian Reichel <sre@kernel.org>
parent 36edec05

Documentation/devicetree/bindings/hsi/omap-ssi.txt

+10 −3
Original line number Original line Diff line number Diff line 
OMAP SSI controller bindings

OMAP SSI controller bindings





OMAP Synchronous Serial Interface (SSI) controller implements a legacy

OMAP3's Synchronous Serial Interface (SSI) controller implements a

variant of MIPI's High Speed Synchronous Serial Interface (HSI).

legacy variant of MIPI's High Speed Synchronous Serial Interface (HSI),

while the controller found inside OMAP4 is supposed to be fully compliant

with the HSI standard.





Required properties:

Required properties:

- compatible:		Should include "ti,omap3-ssi".

- compatible:		Should include "ti,omap3-ssi" or "ti,omap4-hsi"

- reg-names:		Contains the values "sys" and "gdd" (in this order).

- reg-names:		Contains the values "sys" and "gdd" (in this order).

- reg:			Contains a matching register specifier for each entry

- reg:			Contains a matching register specifier for each entry

			in reg-names.

			in reg-names.
@@ -27,6 +29,7 @@ Each port is represented as a sub-node of the ti,omap3-ssi device. 
Required Port sub-node properties:

Required Port sub-node properties:

- compatible:		Should be set to the following value

- compatible:		Should be set to the following value

			ti,omap3-ssi-port (applicable to OMAP34xx devices)

			ti,omap3-ssi-port (applicable to OMAP34xx devices)

			ti,omap4-hsi-port (applicable to OMAP44xx devices)

- reg-names:		Contains the values "tx" and "rx" (in this order).

- reg-names:		Contains the values "tx" and "rx" (in this order).

- reg:			Contains a matching register specifier for each entry

- reg:			Contains a matching register specifier for each entry

			in reg-names.

			in reg-names.
@@ -38,6 +41,10 @@ Required Port sub-node properties: 
			property. If it's missing the port will not be

			property. If it's missing the port will not be

			enabled.

			enabled.





Optional properties:

- ti,hwmods:		Shall contain TI interconnect module name if needed

			by the SoC



Example for Nokia N900:

Example for Nokia N900:





ssi-controller@48058000 {

ssi-controller@48058000 {