[U-Boot] [PATCH] ARM: am3517_evm: Enable TCA6416PW GPIO Expander

[Adam Ford]

With DM_I2C and DM_GPIO working, this patch can enable the
GPIO expander on the I2C bus.  This GPIO expander is connected
to some of the DIP switches and can now read the status of these
pins.

Signed-off-by: Adam Ford <aford173 at gmail.com>

diff --git a/configs/am3517_evm_defconfig b/configs/am3517_evm_defconfig
index 985ef73292..1ee24375fb 100644
--- a/configs/am3517_evm_defconfig
+++ b/configs/am3517_evm_defconfig
@@ -38,6 +38,7 @@ CONFIG_DEFAULT_DEVICE_TREE="am3517-evm"
 CONFIG_SPL_OF_PLATDATA=y
 # CONFIG_ENV_IS_IN_FAT is not set
 CONFIG_ENV_IS_IN_NAND=y
+CONFIG_DM_PCA953X=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_NAND=y
 CONFIG_SYS_NAND_BUSWIDTH_16BIT=y
-- 
2.17.1