mtd: nand: omap2: Implement NAND ready using gpiolib

[cascardo/linux.git] / Documentation / devicetree / bindings / mtd / gpmc-nand.txt

diff --git a/Documentation/devicetree/bindings/mtd/gpmc-nand.txt b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
index ff3215d..3ee7e20 100644 (file)
--- a/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
@@ -48,6 +48,7 @@ Optional properties:
                locating ECC errors for BCHx algorithms. SoC devices which have
                ELM hardware engines should specify this device node in .dtsi
                Using ELM for ECC error correction frees some CPU cycles.
+ - rb-gpios:   GPIO specifier for the ready/busy# pin.
 
 For inline partition table parsing (optional):
 
@@ -78,6 +79,7 @@ Example for an AM33xx board:
                        nand-bus-width = <16>;
                        ti,nand-ecc-opt = "bch8";
                        ti,nand-xfer-type = "polled";
+                       rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */
 
                        gpmc,sync-clk-ps = <0>;
                        gpmc,cs-on-ns = <0>;