Banana-Pi Zero is designed for IOT development
using the Allwinner H2+ SOC.
Key features
- Allwinner H2+, Quad-core Cortex-A7
- 512MB DRAM
- microSD slot
- Serial Debug Port
- Combo WiFi/BT
- HDMI
Signed-off-by: Jun Nie <jun....@linaro.org>
---
arch/arm/dts/Makefile | 1 +
arch/arm/dts/sun8i-h2-plus-bananapi-m2-zero.dts | 113 ++++++++++++++++++++++++
configs/bananapi_zero_defconfig | 17 ++++
3 files changed, 131 insertions(+)
create mode 100644 arch/arm/dts/sun8i-h2-plus-bananapi-m2-zero.dts
create mode 100644 configs/bananapi_zero_defconfig
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index a895c70..80eec7e 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -327,6 +327,7 @@ dtb-$(CONFIG_MACH_SUN8I_A83T) += \
sun8i-a83t-cubietruck-plus.dtb \
sun8i-a83t-tbs-a711.dts
dtb-$(CONFIG_MACH_SUN8I_H3) += \
+ sun8i-h2-plus-bananapi-m2-zero.dtb \
sun8i-h2-plus-orangepi-zero.dtb \
sun8i-h3-bananapi-m2-plus.dtb \
sun8i-h3-orangepi-2.dtb \
diff --git a/arch/arm/dts/sun8i-h2-plus-bananapi-m2-zero.dts
b/arch/arm/dts/sun8i-h2-plus-bananapi-m2-zero.dts
new file mode 100644
index 0000000..4d96c16
--- /dev/null
+++ b/arch/arm/dts/sun8i-h2-plus-bananapi-m2-zero.dts
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2017 Jun Nie <jun....@linaro.org>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ * a) This file is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ * b) Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+#include "sun8i-h3.dtsi"
+#include "sunxi-common-regulators.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+ model = "Banana Pi BPI-M2-Zero";
+ compatible = "sinovoip,bpi-m2-zero", "allwinner,sun8i-h2-plus";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ pinctrl-names = "default";
+
+ pwr_led {
+ label = "bananapi-m2-zero:red:pwr";
+ gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */
+ default-state = "on";
+ };
+ };
+
+ gpio_keys {
+ compatible = "gpio-keys";
+ pinctrl-names = "default";
+
+ sw4 {
+ label = "power";
+ linux,code = <BTN_0>;
+ gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&mmc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins_a>;
+ vmmc-supply = <®_vcc3v3>;
+ bus-width = <4>;
+ /*
+ * In different revisions the board have different card detect
+ * configuration.
+ */
+ broken-cd;
+ status = "okay";
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pins_a>;
+ status = "okay";
+};
+
+&usb_otg {
+ dr_mode = "otg";
+ status = "okay";
+};
+
+&usbphy {
+ usb0_id_det-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
+ /* USB OTG VBUS is directly connected to 5V without any regulators */
+ status = "okay";
+};
diff --git a/configs/bananapi_zero_defconfig b/configs/bananapi_zero_defconfig
new file mode 100644
index 0000000..9c78b21
--- /dev/null
+++ b/configs/bananapi_zero_defconfig
@@ -0,0 +1,17 @@
+CONFIG_ARM=y
+CONFIG_ARCH_SUNXI=y
+CONFIG_MACH_SUN8I_H3=y
+CONFIG_DRAM_CLK=408
+CONFIG_DRAM_ZQ=3881979
+CONFIG_DRAM_ODT_EN=y
+CONFIG_DEFAULT_DEVICE_TREE="sun8i-h2-plus-bananapi-m2-zero"
+# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_SPL=y
+# CONFIG_CMD_FLASH is not set
+# CONFIG_CMD_FPGA is not set
+CONFIG_CMD_USB_MASS_STORAGE=y
+# CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
+# CONFIG_SPL_EFI_PARTITION is not set
+CONFIG_MMC_BROKEN_CD=y
+CONFIG_USB_MUSB_GADGET=y
--
1.9.1
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