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authorLinus Torvalds <torvalds@linux-foundation.org>2017-11-15 13:35:43 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-11-15 13:35:43 -0800
commit6c4ba00c40d5acb17f32d4b7e02dbcd21f336d9f (patch)
treee6e7f723ea7ea51ccf79ad21a2715da00b4948c9 /Documentation
parent8c38fb5c3dc590214991128d16867f86a4f251bd (diff)
parent8635d6b3afe68cdde2f646c2a3bbd8149c031e8c (diff)
downloadlinux-6c4ba00c40d5acb17f32d4b7e02dbcd21f336d9f.tar.bz2
Merge tag 'hsi-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi
Pull HSI updates from Sebastian Reichel: - add HSI OMAP4 bindings - misc small fixes * tag 'hsi-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi: dt-bindings: hsi: add omap4 hsi controller bindings HSI: hsi_char: pr_err() strings should end with newlines HSI: omap_ssi_core: fix kilo to be "k" not "K"
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/hsi/omap-ssi.txt13
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 {