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| author | Tony Lindgren <tony@atomide.com> | 2017-10-01 18:17:26 +0300 |
|---|---|---|
| committer | Sebastian Reichel <sre@kernel.org> | 2017-10-01 18:19:54 +0300 |
| commit | 8635d6b3afe68cdde2f646c2a3bbd8149c031e8c (patch) | |
| tree | 77d027679c89b888969e7d24e766665916b97a9e /Documentation | |
| parent | 36edec05a27d6c07ca8d38a01e98b0d71408ab9d (diff) | |
| download | linux-8635d6b3afe68cdde2f646c2a3bbd8149c031e8c.tar.xz | |
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: Tony Lindgren <tony@atomide.com>
Acked-by: Rob Herring <robh@kernel.org>
[dropped the omap.dtsi update and updated patch description accordingly]
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/hsi/omap-ssi.txt | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/hsi/omap-ssi.txt b/Documentation/devicetree/bindings/hsi/omap-ssi.txt index b8eca3c7810d..955e335e7e56 100644 --- a/Documentation/devicetree/bindings/hsi/omap-ssi.txt +++ b/Documentation/devicetree/bindings/hsi/omap-ssi.txt @@ -1,10 +1,12 @@ 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 { |