arm: socfpga: Add support for Terasic SoCkit board

Add support for Terasic SoCkit, which is CycloneV based board.
The board can boot either from SD/MMC or QSPI. Ethernet is also
supported.

Signed-off-by: Marek Vasut <marex@denx.de>

arch/arm/dts/Makefile

@@ -61,6 +61,7 @@ dtb-$(CONFIG_AM33XX) += am335x-boneblack.dtb am335x-evm.dtb
 dtb-$(CONFIG_ARCH_SOCFPGA) +=				\
 	socfpga_arria5_socdk.dtb			\
 	socfpga_cyclone5_socdk.dtb			\
+	socfpga_cyclone5_sockit.dtb			\
 	socfpga_cyclone5_socrates.dtb
 dtb-$(CONFIG_TARGET_DRA7XX_EVM) += dra72-evm.dtb
 dtb-$(CONFIG_TARGET_STV0991) += stv0991.dtb

arch/arm/dts/socfpga_cyclone5_sockit.dts

@@ -0,0 +1,92 @@
+/*
+ *  Copyright (C) 2014 Steffen Trumtrar <s.trumtrar@pengutronix.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include "socfpga_cyclone5.dtsi"
+
+/ {
+	model = "Terasic SoCkit";
+	compatible = "altr,socfpga-cyclone5", "altr,socfpga";
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+	};
+
+ 	aliases {
+		ethernet0 = &gmac1;
+ 	};
+
+	memory {
+		name = "memory";
+		device_type = "memory";
+		reg = <0x0 0x40000000>; /* 1GB */
+	};
+
+	soc {
+		u-boot,dm-pre-reloc;
+	};
+};
+
+&gmac1 {
+	status = "okay";
+	phy-mode = "rgmii";
+
+	rxd0-skew-ps = <0>;
+	rxd1-skew-ps = <0>;
+	rxd2-skew-ps = <0>;
+	rxd3-skew-ps = <0>;
+	txen-skew-ps = <0>;
+	txc-skew-ps = <2600>;
+	rxdv-skew-ps = <0>;
+	rxc-skew-ps = <2000>;
+};
+
+&gpio0 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+};
+
+&gpio2 {
+	status = "okay";
+};
+
+&i2c0 {
+	status = "okay";
+
+	rtc: rtc@68 {
+		compatible = "stm,m41t82";
+		reg = <0x68>;
+	};
+};
+
+&mmc0 {
+	status = "okay";
+	u-boot,dm-pre-reloc;
+};
+
+&qspi {
+	status = "okay";
+	u-boot,dm-pre-reloc;
+
+	flash0: n25q00@0 {
+		u-boot,dm-pre-reloc;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "n25q00", "spi-flash";
+		reg = <0>;      /* chip select */
+		spi-max-frequency = <50000000>;
+		m25p,fast-read;
+		page-size = <256>;
+		block-size = <16>; /* 2^16, 64KB */
+		read-delay = <4>;  /* delay value in read data capture register */
+		tshsl-ns = <50>;
+		tsd2d-ns = <50>;
+		tchsh-ns = <4>;
+		tslch-ns = <4>;
+	};
+};

arch/arm/mach-socfpga/Kconfig

@@ -18,15 +18,21 @@ config TARGET_SOCFPGA_CYCLONE5_SOCDK
 	bool "Altera SOCFPGA SoCDK (Cyclone V)"
 	select TARGET_SOCFPGA_CYCLONE5
 
+config TARGET_SOCFPGA_TERASIC_SOCKIT
+	bool "Terasic SoCkit (Cyclone V)"
+	select TARGET_SOCFPGA_CYCLONE5
+
 endchoice
 
 config SYS_BOARD
 	default "arria5-socdk" if TARGET_SOCFPGA_ARRIA5_SOCDK
 	default "cyclone5-socdk" if TARGET_SOCFPGA_CYCLONE5_SOCDK
+	default "sockit" if TARGET_SOCFPGA_TERASIC_SOCKIT
 
 config SYS_VENDOR
 	default "altera" if TARGET_SOCFPGA_ARRIA5_SOCDK
 	default "altera" if TARGET_SOCFPGA_CYCLONE5_SOCDK
+	default "terasic" if TARGET_SOCFPGA_TERASIC_SOCKIT
 
 config SYS_SOC
 	default "socfpga"
@@ -34,5 +40,6 @@ config SYS_SOC
 config SYS_CONFIG_NAME
 	default "socfpga_arria5" if TARGET_SOCFPGA_ARRIA5_SOCDK
 	default "socfpga_cyclone5" if TARGET_SOCFPGA_CYCLONE5_SOCDK
+	default "socfpga_sockit" if TARGET_SOCFPGA_TERASIC_SOCKIT
 
 endif