diff --git a/arch/arm/configs/bcm2835_defconfig b/arch/arm/configs/bcm2835_defconfig
index af472e4ed451..abc7c8d4631b 100644
--- a/arch/arm/configs/bcm2835_defconfig
+++ b/arch/arm/configs/bcm2835_defconfig
@@ -59,10 +59,13 @@ CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_SERIAL_AMBA_PL011=y
 CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
 CONFIG_TTY_PRINTK=y
-# CONFIG_HW_RANDOM is not set
+CONFIG_HW_RANDOM=y
+CONFIG_HW_RANDOM_BCM2835=y
 CONFIG_I2C=y
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_BCM2835=y
+CONFIG_SPI=y
+CONFIG_SPI_BCM2835=y
 CONFIG_GPIO_SYSFS=y
 # CONFIG_HWMON is not set
 # CONFIG_USB_SUPPORT is not set
@@ -108,9 +111,5 @@ CONFIG_TEST_KSTRTOX=y
 CONFIG_STRICT_DEVMEM=y
 CONFIG_DEBUG_LL=y
 CONFIG_EARLY_PRINTK=y
-# CONFIG_XZ_DEC_X86 is not set
-# CONFIG_XZ_DEC_POWERPC is not set
-# CONFIG_XZ_DEC_IA64 is not set
 # CONFIG_XZ_DEC_ARM is not set
 # CONFIG_XZ_DEC_ARMTHUMB is not set
-# CONFIG_XZ_DEC_SPARC is not set