Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 8635d6b3 authored by Tony Lindgren's avatar Tony Lindgren Committed by Sebastian Reichel
Browse files

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 Diff line number Diff line 
OMAP SSI controller bindings



OMAP Synchronous Serial Interface (SSI) controller implements a legacy

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

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

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:

- 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:			Contains a matching register specifier for each entry

			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:

- compatible:		Should be set to the following value

			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:			Contains a matching register specifier for each entry

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

			enabled.



Optional properties:

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

			by the SoC



Example for Nokia N900:



ssi-controller@48058000 {