mvebu: enable PCA955x driver for clearfog to enable pcie and usb

Some of the PCIe and USB signals use a GPIO expander on I2C on ClearFog,
so enable the driver so that they can be configured to their required
values.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Acked-by: Felix Fietkau <nbd@nbd.name>

diff --git a/target/linux/mvebu/config-4.4 b/target/linux/mvebu/config-4.4
index e094185852f0b276162cb805190271ff20fd476b..27d0a0fe5bbbf745ca2d58131986616adb82a28c 100644 (file)
--- a/target/linux/mvebu/config-4.4
+++ b/target/linux/mvebu/config-4.4
@@ -181,6 +181,8 @@ CONFIG_GPIOLIB=y
 CONFIG_GPIO_DEVRES=y
 CONFIG_GPIO_MVEBU=y
 CONFIG_GPIO_MVEBU_PWM=y
+CONFIG_GPIO_PCA953X=y
+# CONFIG_GPIO_PCA953X_IRQ is not set
 CONFIG_GPIO_SYSFS=y
 CONFIG_HANDLE_DOMAIN_IRQ=y
 CONFIG_HARDIRQS_SW_RESEND=y