From f34f37160c2960a763ed05d1e13b2ea75a48d0fb Mon Sep 17 00:00:00 2001
From: Gupta Pekon <pekon@ti.com>
Date: Fri, 31 May 2013 17:31:30 +0530
Subject: [PATCH] ARM: OMAP2+: gpmc: get number of useable GPMC chip-selects
 via DT

This patch enables usage of DT property 'gpmc,num-cs' as already documented in
Documentation/devicetree/bindings/bus/ti-gpmc.txt

Though GPMC hardware supports upto 8 chip-selects, but all chip-selects may
not be available for use because:
- chip-select pin may not be bonded out at SoC device boundary.
- chip-select pin-mux may conflict with other pins usage.
- board level constrains.

gpmc,num-cs allows user to configure maximum number of GPMC chip-selects
available for use on any given platform. This ensures:
- GPMC child nodes having chip-selects within allowed range are only probed.
- And un-used GPMC chip-selects remain blocked.(may be for security reasons).

Signed-off-by: Gupta, Pekon <pekon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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