diff mbox

[v2,5/5] ARM: OMAP2+: Update GPMC and NAND DT binding documentation

Message ID 1444930648-19313-6-git-send-email-fcooper@ti.com
State New, archived
Headers show

Commit Message

Franklin S Cooper Jr Oct. 15, 2015, 5:37 p.m. UTC
Add additional details to the GPMC NAND documentation to clarify
what is needed to enable NAND DMA prefetch.

Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
---
V2 Changes:
Replace nand and Nand with NAND
Specify the value dma-names should be set to

 Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt | 7 ++++++-
 Documentation/devicetree/bindings/mtd/gpmc-nand.txt                | 2 ++
 2 files changed, 8 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt b/Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt
index 704be93..afae4b3 100644
--- a/Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt
+++ b/Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt
@@ -33,6 +33,10 @@  Required properties:
 			As this will change in the future, filling correct
 			values here is a requirement.
 
+GPMC DMA information.
+ - dmas			GPMC NAND prefetch dma channel
+ - dma-names		Must be set to "rxtx"
+
 Timing properties for child nodes. All are optional and default to 0.
 
  - gpmc,sync-clk-ps:	Minimum clock period for synchronous mode, in picoseconds
@@ -119,7 +123,8 @@  Example for an AM33xx board:
 		ti,hwmods = "gpmc";
 		reg = <0x50000000 0x2000>;
 		interrupts = <100>;
-
+		dmas = <&edma 52>;
+		dma-names = "rxtx";
 		gpmc,num-cs = <8>;
 		gpmc,num-waitpins = <2>;
 		#address-cells = <2>;
diff --git a/Documentation/devicetree/bindings/mtd/gpmc-nand.txt b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
index 253e6de..4b0c240 100644
--- a/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
@@ -61,6 +61,8 @@  Example for an AM33xx board:
 		ti,hwmods = "gpmc";
 		reg = <0x50000000 0x36c>;
 		interrupts = <100>;
+		dmas = <&edma 52>;
+		dma-names = "rxtx";
 		gpmc,num-cs = <8>;
 		gpmc,num-waitpins = <2>;
 		#address-cells = <2>;