MIPS: ath79: add common GPIO LEDs device

Almost all boards have one or more LEDs connected to GPIO lines. This
patch adds common code to register a platform_device for them.

The patch also adds support for the LEDs on the PB44 board.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: Luis R. Rodriguez <lrodriguez@atheros.com>
Cc: Cliff Holden <Cliff.Holden@Atheros.com>
Cc: Kathy Giori <Kathy.Giori@Atheros.com>
Patchwork: https://patchwork.linux-mips.org/patch/1953/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/mips/ath79/Kconfig b/arch/mips/ath79/Kconfig
index fabb2b0412d7..5bc480e28b0c 100644
--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -5,6 +5,7 @@ menu "Atheros AR71XX/AR724X/AR913X machine selection"
 config ATH79_MACH_PB44
         bool "Atheros PB44 reference board"
         select SOC_AR71XX
+        select ATH79_DEV_LEDS_GPIO
         help
           Say 'Y' here if you want your kernel to support the
           Atheros PB44 reference board.
@@ -20,4 +21,7 @@ config SOC_AR724X
 config SOC_AR913X
         def_bool n
 
+config ATH79_DEV_LEDS_GPIO
+        def_bool n
+
 endif