[PATCH v4 6/6] configs: sp7021: fix defaults and enable existing device drivers

[Andrew Gaylard <ag@ffroot.co.za>]

The LTPP3G2 is based on a SP7021 and has a Cortex-A7 CPU, Ethernet,
eMMC, SPI, EEPROM via I2C via GPIO, watchdog, RTC, NVMEM, and LEDs.

Apply these settings:
- ARM_ERRATA_814220=y   # needed for Cortex-A7
- ARM_PSCI=y            # needed to boot SMP
- CGROUPS=y
  CGROUP_SCHED=y
  MEMCG=y
  NET=y
  UNIX=y
  INET=y
  NETDEVICES=y
  SECURITY=y
  SECURITY_NETWORK=y    # needed to boot the shipped rootfs

Enable these drivers:
- SP7021_EMAC
- SPI_SUNPLUS_SP7021
- I2C_GPIO
- EEPROM_AT24
- MMC_SUNPLUS
- SUNPLUS_WATCHDOG
- RTC_DRV_SUNPLUS
- NVMEM_SUNPLUS_OCOTP
- LEDS_GPIO

Signed-off-by: Andrew Gaylard <ag@ffroot.co.za>
---
 arch/arm/configs/sp7021_defconfig | 32 +++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/arch/arm/configs/sp7021_defconfig b/arch/arm/configs/sp7021_defconfig
index ec723401b440..29c200d2bdb7 100644
--- a/arch/arm/configs/sp7021_defconfig
+++ b/arch/arm/configs/sp7021_defconfig
@@ -1,4 +1,7 @@
 CONFIG_SYSVIPC=y
+CONFIG_CGROUPS=y
+CONFIG_CGROUP_SCHED=y
+CONFIG_MEMCG=y
 CONFIG_NO_HZ_IDLE=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_PREEMPT=y
@@ -16,6 +19,8 @@ CONFIG_PERF_EVENTS=y
 CONFIG_ARCH_SUNPLUS=y
 # CONFIG_VDSO is not set
 CONFIG_SMP=y
+CONFIG_ARM_PSCI=y
+CONFIG_ARM_ERRATA_814220=y
 CONFIG_THUMB2_KERNEL=y
 CONFIG_ARCH_FORCE_MAX_ORDER=11
 CONFIG_VFP=y
@@ -24,11 +29,16 @@ CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODVERSIONS=y
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_NET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
 CONFIG_UEVENT_HELPER=y
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_BLK_DEV_LOOP=y
+CONFIG_NETDEVICES=y
+CONFIG_SP7021_EMAC=y
 CONFIG_INPUT_SPARSEKMAP=y
 CONFIG_INPUT_EVDEV=y
 # CONFIG_INPUT_KEYBOARD is not set
@@ -36,6 +46,26 @@ CONFIG_INPUT_EVDEV=y
 # CONFIG_LEGACY_PTYS is not set
 # CONFIG_HW_RANDOM is not set
 # CONFIG_HWMON is not set
+CONFIG_SPI=y
+CONFIG_SPI_SUNPLUS_SP7021=y
+CONFIG_I2C=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_GPIO=y
+CONFIG_EEPROM_AT24=y
+CONFIG_MMC=y
+CONFIG_MMC_SUNPLUS=y
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_SYSFS=y
+CONFIG_SUNPLUS_WATCHDOG=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_SUNPLUS=y
+CONFIG_NVMEM=y
+CONFIG_NVMEM_SUNPLUS_OCOTP=y
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+CONFIG_LEDS_GPIO=y
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 # CONFIG_IOMMU_SUPPORT is not set
 CONFIG_RESET_CONTROLLER=y
 CONFIG_EXT4_FS=y
@@ -51,6 +81,8 @@ CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_ASCII=y
 CONFIG_NLS_ISO8859_1=y
 CONFIG_NLS_UTF8=y
+CONFIG_SECURITY=y
+CONFIG_SECURITY_NETWORK=y
 CONFIG_PRINTK_TIME=y
 CONFIG_DYNAMIC_DEBUG=y
 CONFIG_MAGIC_SYSRQ=y
-- 
2.53.0