[U-Boot] [PATCH] [ADD] Bananapi P2 Zero Support

[BornGreedy]

Adding support for Sinovoip Bananapi P2 Zero with eMMC and Ethernet feature.
---
 arch/arm/dts/Makefile                         |   1 +
 .../dts/sun8i-h2-plus-bananapi-p2-zero.dts    | 138 ++++++++++++++++++
 board/sunxi/MAINTAINERS                       |   5 +
 configs/bananapi_p2_zero_defconfig            |  13 ++
 4 files changed, 157 insertions(+)
 create mode 100644 arch/arm/dts/sun8i-h2-plus-bananapi-p2-zero.dts
 create mode 100644 configs/bananapi_p2_zero_defconfig

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 62da168ef8..45f0f30f16 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -486,6 +486,7 @@ dtb-$(CONFIG_MACH_SUN8I_A83T) += \
  sun8i-a83t-cubietruck-plus.dtb \
  sun8i-a83t-tbs-a711.dtb
 dtb-$(CONFIG_MACH_SUN8I_H3) += \
+ sun8i-h2-plus-bananapi-p2-zero.dtb \
  sun8i-h2-plus-bananapi-m2-zero.dtb \
  sun8i-h2-plus-libretech-all-h3-cc.dtb \
  sun8i-h2-plus-orangepi-r1.dtb \
diff --git a/arch/arm/dts/sun8i-h2-plus-bananapi-p2-zero.dts
b/arch/arm/dts/sun8i-h2-plus-bananapi-p2-zero.dts
new file mode 100644
index 0000000000..f04b905d1f
--- /dev/null
+++ b/arch/arm/dts/sun8i-h2-plus-bananapi-p2-zero.dts
@@ -0,0 +1,138 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2019 Mizan R <exqdzn at gmail.com>
+ *
+ * Based on sun8i-h2-plus-bananapi-m2-zero.dts, which is:
+ *   Copyright (C) 2017 Icenowy Zheng <icenowy at aosc.io>
+ */
+
+/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-P2-Zero";
+ compatible = "sinovoip,bpi-p2-zero", "allwinner,sun8i-h2-plus";
+
+ aliases {
+ serial0 = &uart0;
+ serial1 = &uart1;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ pinctrl-names = "default";
+
+ pwr_led {
+ label = "bananapi-p2-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>;
+ };
+ };
+
+ wifi_pwrseq: wifi_pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ pinctrl-names = "default";
+ reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
+ };
+};
+
+&ehci0 {
+ status = "okay";
+};
+
+&emac {
+ phy-handle = <&int_mii_phy>;
+ phy-mode = "mii";
+ allwinner,leds-active-low;
+ status = "okay";
+};
+
+&mmc0 {
+ vmmc-supply = <&reg_vcc3v3>;
+ bus-width = <4>;
+ /*
+ * On the production batch of this board the card detect GPIO is
+ * high active (card inserted), although on the early samples it's
+ * low active.
+ */
+ cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
+ status = "okay";
+};
+
+&mmc1 {
+ vmmc-supply = <&reg_vcc3v3>;
+ vqmmc-supply = <&reg_vcc3v3>;
+ mmc-pwrseq = <&wifi_pwrseq>;
+ bus-width = <4>;
+ non-removable;
+ status = "okay";
+
+ brcmf: wifi at 1 {
+ reg = <1>;
+ compatible = "brcm,bcm4329-fmac";
+ interrupt-parent = <&pio>;
+ interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 / EINT10 */
+ interrupt-names = "host-wake";
+ };
+};
+
+&mmc2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc2_8bit_pins>;
+ vmmc-supply = <&reg_vcc3v3>;
+ vqmmc-supply = <&reg_vcc3v3>;
+ bus-width = <8>;
+ non-removable;
+ status = "okay";
+};
+
+&ohci0 {
+ status = "okay";
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pins_a>;
+ status = "okay";
+};
+
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
+ status = "okay";
+};
+
+&usb_otg {
+ dr_mode = "otg";
+ status = "okay";
+};
+
+&usbphy {
+ usb0_id_det-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
+ /*
+ * There're two micro-USB connectors, one is power-only and another is
+ * OTG. The Vbus of these two connectors are connected together, so
+ * the external USB device will be powered just by the power input
+ * from the power-only USB port.
+ */
+ status = "okay";
+};
diff --git a/board/sunxi/MAINTAINERS b/board/sunxi/MAINTAINERS
index c7e9d3eda0..59d3e362ff 100644
--- a/board/sunxi/MAINTAINERS
+++ b/board/sunxi/MAINTAINERS
@@ -161,6 +161,11 @@ M: Icenowy Zheng <icenowy at aosc.io>
 S: Maintained
 F: configs/bananapi_m2_zero_defconfig

+BANANAPI P2 ZERO BOARD
+M: Mizan R <exqdzn at gmail.com>
+S: Maintained
+F: configs/bananapi_p2_zero_defconfig
+
 BANANAPI M64
 M: Jagan Teki <jagan at amarulasolutions.com>
 S: Maintained
diff --git a/configs/bananapi_p2_zero_defconfig
b/configs/bananapi_p2_zero_defconfig
new file mode 100644
index 0000000000..573e4cbd35
--- /dev/null
+++ b/configs/bananapi_p2_zero_defconfig
@@ -0,0 +1,13 @@
+CONFIG_ARM=y
+CONFIG_ARCH_SUNXI=y
+CONFIG_SPL=y
+CONFIG_MACH_SUN8I_H3=y
+CONFIG_DRAM_CLK=408
+CONFIG_MMC0_CD_PIN=""
+# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_USE_PREBOOT=y
+# CONFIG_CMD_FLASH is not set
+# CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_EFI_PARTITION is not set
+CONFIG_SUN8I_EMAC=y
+CONFIG_DEFAULT_DEVICE_TREE="sun8i-h2-plus-bananapi-p2-zero"
\ No newline at end of file
-- 
2.23.0