Introduce HAS_BANDGAP config entry. This config is a
boolean value so that arch code can flag is they
feature a bandgap device.

Cc: Russell King <li...@arm.linux.org.uk>
Cc: Tony Lindgren <t...@atomide.com>
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-omap@vger.kernel.org
Cc: linux-ker...@vger.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valen...@ti.com>
---
 arch/arm/Kconfig            | 3 +++
 arch/arm/mach-omap2/Kconfig | 1 +
 2 files changed, 4 insertions(+)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f95674a..39fc561 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -176,6 +176,9 @@ config ARCH_HAS_CPUFREQ
          and that the relevant menu configurations are displayed for
          it.
 
+config ARCH_HAS_BANDGAP
+       bool
+
 config GENERIC_HWEIGHT
        bool
        default y
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index f49cd51..8620ab5 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -4,6 +4,7 @@ config ARCH_OMAP
 config ARCH_OMAP2PLUS
        bool "TI OMAP2/3/4/5 SoCs with device tree support" if (ARCH_MULTI_V6 
|| ARCH_MULTI_V7)
        select ARCH_HAS_CPUFREQ
+       select ARCH_HAS_BANDGAP
        select ARCH_HAS_HOLES_MEMORYMODEL
        select ARCH_OMAP
        select ARCH_REQUIRE_GPIOLIB
-- 
1.8.2.1.342.gfa7285d

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