config: Add GPIO_PCF857X=m

Phil Elwell · Phil Elwell · commit 998c0e945882 · 2017-11-30T09:56:31.000Z
The PCF8574 & 5 are I2C-connected 8- & 16-bit GPIO expanders. See: #2294 Signed-off-by: Phil Elwell <phil@raspberrypi.org>
diff --git a/arch/arm/configs/bcm2709_defconfig b/arch/arm/configs/bcm2709_defconfig
@@ -616,6 +616,7 @@ CONFIG_PPS_CLIENT_GPIO=m
 CONFIG_GPIO_SYSFS=y
 CONFIG_GPIO_BCM_EXP=y
 CONFIG_GPIO_BCM_VIRT=y
+CONFIG_GPIO_PCF857X=m
 CONFIG_GPIO_ARIZONA=m
 CONFIG_GPIO_STMPE=y
 CONFIG_W1=m
diff --git a/arch/arm/configs/bcmrpi_defconfig b/arch/arm/configs/bcmrpi_defconfig
@@ -609,6 +609,7 @@ CONFIG_PPS=m
 CONFIG_PPS_CLIENT_LDISC=m
 CONFIG_PPS_CLIENT_GPIO=m
 CONFIG_GPIO_SYSFS=y
+CONFIG_GPIO_PCF857X=m
 CONFIG_GPIO_ARIZONA=m
 CONFIG_GPIO_STMPE=y
 CONFIG_W1=m
