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ARM: 7758/1: introduce config HAS_BANDGAP

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Bandgap is a device used to measure temperature on electronic
equipments.  It is widely used in digital integrated circuits.  It is
based on the dependency between silicon voltage and temperature.

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

This config entry follows the same idea behind ARCH_HAS_CPUFREQ.

Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-omap@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Fabio Stevam <festevam@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Eduardo Valentin 2013-06-13 22:58:52 +01:00 committed by Russell King
parent 621a0147d5
commit 4a1b573346
2 changed files with 4 additions and 0 deletions
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3
arch/arm/Kconfig
View file

@ -174,6 +174,9 @@ 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

1
arch/arm/mach-omap2/Kconfig
View file

@ -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