package: add ravpower-mcu package

This package allows to read battery status information and control the
power state of the RAVPower RP-WD009 power management IC.

Signed-off-by: David Bauer <mail@david-bauer.net>

package/utils/ravpower-mcu/Makefile

@@ -0,0 +1,34 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=ravpower-mcu
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL=https://github.com/blocktrron/ravpower-mcu.git
+PKG_MIRROR_HASH:=edde0fda3fc708eac65baff46b5b6f1290ab733d3f4bd7fc027ef45c3d1b5814
+PKG_SOURCE_DATE:=2020-06-19
+PKG_SOURCE_VERSION:=1665d9e9212dcd118629a74fbe658841f81036f7
+PKG_MAINTAINER:=David Bauer <mail@david-bauer.net>
+PKG_LICENSE:=GPL-2.0-or-later
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/ravpower-mcu
+  SECTION:=utils
+  CATEGORY:=Utilities
+  TITLE:=Utility to control the RAVPower RP-WD009 PMIC
+  DEPENDS:=@TARGET_ramips_mt76x8
+  URL:=https://github.com/blocktrron/ravpower-mcu/
+endef
+
+define Build/Compile
+	$(MAKE) -C $(PKG_BUILD_DIR) \
+		CC="$(TARGET_CC)" \
+		CFLAGS="$(TARGET_CFLAGS) -Wall"
+endef
+
+define Package/ravpower-mcu/install
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/out/ravpower-mcu $(1)/usr/bin/
+endef
+
+$(eval $(call BuildPackage,ravpower-mcu))

target/linux/ramips/image/mt76x8.mk

@@ -258,7 +258,8 @@ define Device/ravpower_rp-wd009
   DEVICE_VENDOR := RAVPower
   DEVICE_MODEL := RP-WD009
   UBOOT_PATH := $(STAGING_DIR_IMAGE)/ravpower_rp-wd009-u-boot.bin
-  DEVICE_PACKAGES := kmod-mt76x0e kmod-usb2 kmod-usb-ohci kmod-sdhci-mt7620 kmod-i2c-mt7628
+  DEVICE_PACKAGES := kmod-mt76x0e kmod-usb2 kmod-usb-ohci \
+	kmod-sdhci-mt7620 kmod-i2c-mt7628 ravpower-mcu
   IMAGES += factory.bin
   IMAGE/factory.bin := $$(sysupgrade_bin) | ravpower-wd009-factory
 endef