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From: Pavel Fedin
To: linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: [PATCH 4/4] Documentation: dt-bindings: Describe SROMc configuration
Date: Mon, 26 Oct 2015 14:47:44 +0300
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Cc: Pankaj Dubey ,
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Add documentation for new properties, allowing bank configuration.
Signed-off-by: Pavel Fedin
---
.../devicetree/bindings/arm/samsung/exynos-srom.txt | 19 ++++++++++++++++++-
1 file changed, 18 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..73750da 100644
--- a/Documentation/devicetree/bindings/arm/samsung/exynos-srom.txt
+++ b/Documentation/devicetree/bindings/arm/samsung/exynos-srom.txt
@@ -5,8 +5,25 @@ Required properties:
- reg: offset and length of the register set
-Example:
+Bank configurations can be defined as an optional subnodes. They can have the
+following properties:
+- bank : bank number (0 - 3)
+- width : data width in bytes (1 or 2). If omitted, default of 1 is used.
+- srom-timing : array of 7 integers: Tacp, Tcah, Tcoh, Tacc, Tcos, Tacs
+
+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>;
+ };
};