[PATCH RFC 3/4] ARM: bcm2835: specify card detect pin for RPi B

[Stefan Wahren]

Only the Raspberry Pi B has a card detect pin. Specify it
on board level because it's not free to use.

Signed-off-by: Stefan Wahren <stefan.wahren at i2se.com>
---
 arch/arm/boot/dts/bcm2835-rpi-b.dts |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/bcm2835-rpi-b.dts b/arch/arm/boot/dts/bcm2835-rpi-b.dts
index e6cd93b..1be2220 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-b.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-b.dts
@@ -14,4 +14,9 @@
 
 &gpio {
 	pinctrl-0 = <&gpioout &alt0>;
+
+	sdhci_cd: sdhci_cd {
+		brcm,pins = <47>;
+		brcm,function = <BCM2835_FSEL_GPIO_IN>;
+	};
 };
-- 
1.7.9.5