Add documentation for new properties, allowing bank configuration.
Signed-off-by: Pavel Fedin <p.fedin@xxxxxxxxxxx>
---
.../bindings/arm/samsung/exynos-srom.txt | 24 +++++++++++++++++++++-
1 file changed, 23 insertions(+), 1 deletion(-)
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>;
+ };
};
--
2.4.4
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