[v2,4/4] Documentation: dt-bindings: Describe SROMc configuration

Commit Message

Pavel Fedin Oct. 27, 2015, 8:43 a.m. UTC

Add documentation for new properties, allowing bank configuration.

Signed-off-by: Pavel Fedin <[e-mail]>
---
 .../bindings/arm/samsung/exynos-srom.txt           | 24 +++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

Patch

diff --git a/Documentation/devicetree/bindings/arm/samsung/exynos-srom.txt b/Documentation/devicetree/bindings/arm/samsung/exynos-srom.txt
index 33886d5..9e4a40b 100644
--- a/Documentation/devicetree/bindings/arm/samsung/exynos-srom.txt
+++ b/Documentation/devicetree/bindings/arm/samsung/exynos-srom.txt
@@ -5,8 +5,30 @@  Required properties:
 
 - reg: offset and length of the register set
 
-Example:
+Bank configurations can be defined in optional subnodes. Each subnode
+describes one bank and contains the following:
+
+Required properties:
+- bank : bank number (0 - 3)
+
+- srom-timing : array of 7 integers: Tacp, Tcah, Tcoh, Tacc, Tcos, Tacs
+
+Optional properties:
+- width : data width in bytes (1 or 2). If omitted, default of 1 is used.
+
+Example: basic definition, no banks are configured
+	sromc@12570000 {
+		compatible = "samsung,exynos-srom";
+		reg = <0x12570000 0x10>;
+	};
+
+Example: SROMc with bank3 configuration
 	sromc@12570000 {
 		compatible = "samsung,exynos-srom";
 		reg = <0x12570000 0x10>;
+		bank@3 {
+			bank = <3>;
+			width = <2>;
+			srom-timing = <1 9 12 1 9 1 1>;
+		};
 	};