sunxi: Add A20-SOM204-EVB-eMMC board

A20-SOM204 board has option with onboard 16GB eMMC. The chip is wired
to MMC2 slot.

This patch adds defconfig and dts files for this board. The dts is same
with mainline kernel.

Signed-off-by: Stefan Mavrodiev <stefan@olimex.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 0c0a90e..6b3891e 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -305,6 +305,7 @@
 	sun7i-a20-mk808c.dtb \
 	sun7i-a20-olimex-som-evb.dtb \
 	sun7i-a20-olimex-som204-evb.dtb \
+	sun7i-a20-olimex-som204-evb-emmc.dtb \
 	sun7i-a20-olinuxino-lime.dtb \
 	sun7i-a20-olinuxino-lime2.dtb \
 	sun7i-a20-olinuxino-lime2-emmc.dtb \
diff --git a/arch/arm/dts/sun7i-a20-olimex-som204-evb-emmc.dts b/arch/arm/dts/sun7i-a20-olimex-som204-evb-emmc.dts
new file mode 100644
index 0000000..c56620a
--- /dev/null
+++ b/arch/arm/dts/sun7i-a20-olimex-som204-evb-emmc.dts
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Device Tree Source for A20-SOM204-EVB-eMMC Board
+ *
+ * Copyright (C) 2018 Olimex Ltd.
+ *   Author: Stefan Mavrodiev <stefan@olimex.com>
+ */
+
+/dts-v1/;
+#include "sun7i-a20-olimex-som204-evb.dts"
+
+/ {
+	model = "Olimex A20-SOM204-EVB-eMMC";
+	compatible = "olimex,a20-olimex-som204-evb-emmc", "allwinner,sun7i-a20";
+
+	mmc2_pwrseq: mmc2_pwrseq {
+		compatible = "mmc-pwrseq-emmc";
+		reset-gpios = <&pio 2 16 GPIO_ACTIVE_LOW>;
+	};
+};
+
+&mmc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc2_pins_a>;
+	vmmc-supply = <&reg_vcc3v3>;
+	mmc-pwrseq = <&mmc2_pwrseq>;
+	bus-width = <4>;
+	non-removable;
+	status = "okay";
+
+	emmc: emmc@0 {
+		reg = <0>;
+		compatible = "mmc-card";
+		broken-hpi;
+	};
+};
diff --git a/board/sunxi/MAINTAINERS b/board/sunxi/MAINTAINERS
index ccf2eb8..6dd48c0 100644
--- a/board/sunxi/MAINTAINERS
+++ b/board/sunxi/MAINTAINERS
@@ -315,6 +315,7 @@
 M:	Stefan Mavrodiev <stefan@olimex.com>
 S:	Maintained
 F:	configs/A20-Olimex-SOM204-EVB_defconfig
+F:	configs/A20-Olimex-SOM204-EVB-eMMC_defconfig
 
 ORANGEPI WIN/WIN PLUS BOARD
 M:	Jagan Teki <jagan@amarulasolutions.com>
diff --git a/configs/A20-Olimex-SOM204-EVB-eMMC_defconfig b/configs/A20-Olimex-SOM204-EVB-eMMC_defconfig
new file mode 100644
index 0000000..11fe6bd
--- /dev/null
+++ b/configs/A20-Olimex-SOM204-EVB-eMMC_defconfig
@@ -0,0 +1,34 @@
+CONFIG_ARM=y
+CONFIG_ARCH_SUNXI=y
+CONFIG_MACH_SUN7I=y
+CONFIG_DRAM_CLK=384
+CONFIG_MMC0_CD_PIN="PH1"
+CONFIG_MMC_SUNXI_SLOT_EXTRA=2
+CONFIG_USB0_VBUS_PIN="PC17"
+CONFIG_USB0_VBUS_DET="PH5"
+CONFIG_I2C1_ENABLE=y
+CONFIG_SATAPWR="PC3"
+CONFIG_GMAC_TX_DELAY=4
+CONFIG_DEFAULT_DEVICE_TREE="sun7i-a20-olimex-som204-evb-emmc"
+CONFIG_AHCI=y
+# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_SPL=y
+CONFIG_SPL_I2C_SUPPORT=y
+# CONFIG_CMD_FLASH is not set
+# CONFIG_CMD_FPGA is not set
+# CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
+# CONFIG_SPL_PARTITION_UUIDS is not set
+CONFIG_SCSI_AHCI=y
+CONFIG_ETH_DESIGNWARE=y
+CONFIG_PHY_ADDR=3
+CONFIG_PHY_MICREL=y
+CONFIG_PHY_MICREL_KSZ90X1=y
+CONFIG_RGMII=y
+CONFIG_SUN7I_GMAC=y
+CONFIG_AXP_ALDO3_VOLT=2800
+CONFIG_AXP_ALDO4_VOLT=2800
+CONFIG_SCSI=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_MUSB_GADGET=y
+CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE=y