[U-Boot] [PATCH 2/2] arm: zynq: add support for the zybo z7 board

[Luis Araneda <luaraneda@gmail.com>]

The board is manufactured by Digilent
Main features:
- Soc: XC7Z010 (Z7-10) or XC7Z020 (Z7-20)
- RAM: 1 GB DDR3L
- FLASH: 16 MB QSPI
- 1 Gbps Ethernet
- USB 2.0
- microSD slot
- Pcam camera connector
- HDMI Tx and Rx
- Audio codec: stereo out, stereo in, mic
- 5 (Z7-10) or 6 (Z7-20) Pmod ports
- 6 push-buttons, 4 switches, 5 LEDs
- 1 (Z7-10) or 2 (Z7-20) RGB LEDs

The device-tree was taken from Linux with some minor corrections

Signed-off-by: Luis Araneda <luaraneda@gmail.com>
---
 arch/arm/dts/Makefile          |  3 +-
 arch/arm/dts/zynq-zybo-z7.dts  | 91 ++++++++++++++++++++++++++++++++++
 configs/zynq_zybo_z7_defconfig | 68 +++++++++++++++++++++++++
 3 files changed, 161 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/dts/zynq-zybo-z7.dts
 create mode 100644 configs/zynq_zybo_z7_defconfig

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 946023093d..cee301a4c6 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -145,7 +145,8 @@ dtb-$(CONFIG_ARCH_ZYNQ) += \
 	zynq-zc770-xm013.dtb \
 	zynq-zed.dtb \
 	zynq-zturn.dtb \
-	zynq-zybo.dtb
+	zynq-zybo.dtb \
+	zynq-zybo-z7.dtb
 dtb-$(CONFIG_ARCH_ZYNQMP) += \
 	zynqmp-mini-emmc0.dtb			\
 	zynqmp-mini-emmc1.dtb			\
diff --git a/arch/arm/dts/zynq-zybo-z7.dts b/arch/arm/dts/zynq-zybo-z7.dts
new file mode 100644
index 0000000000..ad9264e9b1
--- /dev/null
+++ b/arch/arm/dts/zynq-zybo-z7.dts
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ *  Copyright (C) 2011 - 2015 Xilinx
+ *  Copyright (C) 2012 National Instruments Corp.
+ */
+/dts-v1/;
+#include "zynq-7000.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	model = "Digilent Zybo Z7 board";
+	compatible = "digilent,zynq-zybo-z7", "xlnx,zynq-7000";
+
+	aliases {
+		ethernet0 = &gem0;
+		serial0 = &uart1;
+		spi0 = &qspi;
+		i2c0 = &i2c0;
+		i2c1 = &i2c1;
+		mmc0 = &sdhci0;
+	};
+
+	memory at 0 {
+		device_type = "memory";
+		reg = <0x0 0x40000000>;
+	};
+
+	chosen {
+		bootargs = "";
+		stdout-path = "serial0:115200n8";
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		ld4 {
+			label = "zynq-zybo-z7:green:ld4";
+			gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	usb_phy0: phy0 {
+		#phy-cells = <0>;
+		compatible = "usb-nop-xceiv";
+		reset-gpios = <&gpio0 46 GPIO_ACTIVE_LOW>;
+	};
+};
+
+&clkc {
+	ps-clk-frequency = <33333333>;
+};
+
+&gem0 {
+	status = "okay";
+	phy-mode = "rgmii-id";
+	phy-handle = <&ethernet_phy>;
+
+	ethernet_phy: ethernet-phy at 0 {
+		reg = <0>;
+		device_type = "ethernet-phy";
+	};
+};
+
+&i2c0 {
+	status = "okay";
+};
+
+&i2c1 {
+	status = "okay";
+};
+
+&qspi {
+	u-boot,dm-pre-reloc;
+	status = "okay";
+};
+
+&sdhci0 {
+	u-boot,dm-pre-reloc;
+	status = "okay";
+};
+
+&uart1 {
+	u-boot,dm-pre-reloc;
+	status = "okay";
+};
+
+&usb0 {
+	status = "okay";
+	dr_mode = "host";
+	usb-phy = <&usb_phy0>;
+};
diff --git a/configs/zynq_zybo_z7_defconfig b/configs/zynq_zybo_z7_defconfig
new file mode 100644
index 0000000000..068a5a96e2
--- /dev/null
+++ b/configs/zynq_zybo_z7_defconfig
@@ -0,0 +1,68 @@
+CONFIG_ARM=y
+CONFIG_ARCH_ZYNQ=y
+CONFIG_SYS_TEXT_BASE=0x4000000
+CONFIG_SPL=y
+CONFIG_DEBUG_UART_BASE=0xe0001000
+CONFIG_DEBUG_UART_CLOCK=50000000
+CONFIG_SPL_STACK_R_ADDR=0x200000
+CONFIG_DEFAULT_DEVICE_TREE="zynq-zybo-z7"
+CONFIG_DEBUG_UART=y
+CONFIG_DISTRO_DEFAULTS=y
+CONFIG_FIT=y
+CONFIG_FIT_SIGNATURE=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_IMAGE_FORMAT_LEGACY=y
+CONFIG_BOOTCOMMAND="run $modeboot || run distro_bootcmd"
+CONFIG_SPL_STACK_R=y
+CONFIG_SPL_OS_BOOT=y
+CONFIG_SPL_SPI_LOAD=y
+CONFIG_SYS_PROMPT="Zynq> "
+CONFIG_CMD_THOR_DOWNLOAD=y
+CONFIG_CMD_DFU=y
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_FPGA_LOADBP=y
+CONFIG_CMD_FPGA_LOADFS=y
+CONFIG_CMD_FPGA_LOADMK=y
+CONFIG_CMD_FPGA_LOADP=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_USB=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_TFTPPUT=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_SPL_DM_SEQ_ALIAS=y
+CONFIG_DFU_MMC=y
+CONFIG_DFU_RAM=y
+CONFIG_FPGA_XILINX=y
+CONFIG_FPGA_ZYNQPL=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_CADENCE=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_ZYNQ=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_BAR=y
+CONFIG_SPI_FLASH_SPANSION=y
+CONFIG_PHY_REALTEK=y
+CONFIG_ZYNQ_GEM=y
+CONFIG_DEBUG_UART_ZYNQ=y
+CONFIG_ZYNQ_SERIAL=y
+CONFIG_ZYNQ_QSPI=y
+CONFIG_USB=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_ULPI_VIEWPORT=y
+CONFIG_USB_ULPI=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_MANUFACTURER="Xilinx"
+CONFIG_USB_GADGET_VENDOR_NUM=0x03fd
+CONFIG_USB_GADGET_PRODUCT_NUM=0x0300
+CONFIG_CI_UDC=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_USB_FUNCTION_THOR=y
+CONFIG_DISPLAY=y
-- 
2.18.0