armv7: Add support of ls1021a-iot board

The patch adds support for Freescale ls1021a-iot board.

Signed-off-by: Feng Li <feng.li_2@nxp.com>
[YS: rewrite commit message, fix whitespace in Kconfig]
Reviewed-by: York Sun <york.sun@nxp.com>

4 files changed, 136 insertions, 1 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index d7a9b11c76..9d4d74235a 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -761,6 +761,20 @@ config TARGET_LS1021ATWR
 	select ARCH_SUPPORT_PSCI
 	select LS1_DEEP_SLEEP
 
+config TARGET_LS1021AIOT
+	bool "Support ls1021aiot"
+	select CPU_V7
+	select CPU_V7_HAS_NONSEC
+	select CPU_V7_HAS_VIRT
+	select SUPPORT_SPL
+	select ARCH_LS1021A
+	select ARCH_SUPPORT_PSCI
+	help
+	  Support for Freescale LS1021AIOT platform.
+	  The LS1021A Freescale board (IOT) is a high-performance
+	  development platform that supports the QorIQ LS1021A
+	  Layerscape Architecture processor.
+
 config TARGET_LS1043AQDS
 	bool "Support ls1043aqds"
 	select ARCH_LS1043A
@@ -962,6 +976,7 @@ source "board/freescale/ls2080ardb/Kconfig"
 source "board/freescale/ls1021aqds/Kconfig"
 source "board/freescale/ls1043aqds/Kconfig"
 source "board/freescale/ls1021atwr/Kconfig"
+source "board/freescale/ls1021aiot/Kconfig"
 source "board/freescale/ls1046aqds/Kconfig"
 source "board/freescale/ls1043ardb/Kconfig"
 source "board/freescale/ls1046ardb/Kconfig"
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 2c5b2f22c6..36133f59e3 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -143,7 +143,8 @@ dtb-$(CONFIG_TARGET_STV0991) += stv0991.dtb
 
 dtb-$(CONFIG_LS102XA) += ls1021a-qds-duart.dtb \
 	ls1021a-qds-lpuart.dtb \
-	ls1021a-twr-duart.dtb ls1021a-twr-lpuart.dtb
+	ls1021a-twr-duart.dtb ls1021a-twr-lpuart.dtb \
+	ls1021a-iot-duart.dtb
 dtb-$(CONFIG_FSL_LSCH3) += fsl-ls2080a-qds.dtb \
 	fsl-ls2080a-rdb.dtb
 dtb-$(CONFIG_FSL_LSCH2) += fsl-ls1043a-qds-duart.dtb \
diff --git a/arch/arm/dts/ls1021a-iot-duart.dts b/arch/arm/dts/ls1021a-iot-duart.dts
new file mode 100644
index 0000000000..62e4c67040
--- /dev/null
+++ b/arch/arm/dts/ls1021a-iot-duart.dts
@@ -0,0 +1,16 @@
+/*
+ * Freescale ls1021a IOT board device tree source
+ *
+ * Copyright 2016 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/dts-v1/;
+#include "ls1021a-iot.dtsi"
+
+/ {
+	chosen {
+	stdout-path = &uart0;
+	};
+};
diff --git a/arch/arm/dts/ls1021a-iot.dtsi b/arch/arm/dts/ls1021a-iot.dtsi
new file mode 100644
index 0000000000..1817c62c04
--- /dev/null
+++ b/arch/arm/dts/ls1021a-iot.dtsi
@@ -0,0 +1,103 @@
+/*
+ * Freescale ls1021a IOT board device tree source
+ *
+ * Copyright 2016 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+
+#include "ls1021a.dtsi"
+
+/ {
+	model = "LS1021A IOT Board";
+
+	aliases {
+		enet2_rgmii_phy = &rgmii_phy1;
+		enet0_sgmii_phy = &sgmii_phy2;
+		enet1_sgmii_phy = &sgmii_phy0;
+		spi0 = &qspi;
+		spi1 = &dspi1;
+	};
+};
+
+&qspi {
+	bus-num = <0>;
+	status = "okay";
+
+	qflash0: n25q128a13@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spi-flash";
+		spi-max-frequency = <20000000>;
+		reg = <0>;
+	};
+};
+
+&dspi1 {
+	bus-num = <0>;
+	status = "okay";
+
+	dspiflash: at26df081a@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spi-flash";
+		spi-max-frequency = <16000000>;
+		spi-cpol;
+		spi-cpha;
+		reg = <0>;
+	};
+};
+
+&i2c0 {
+	status = "okay";
+};
+
+&i2c1 {
+	status = "okay";
+};
+
+&ifc {
+	#address-cells = <2>;
+	#size-cells = <1>;
+	/* NOR Flash on board */
+	ranges = <0x0 0x0 0x60000000 0x08000000>;
+	status = "okay";
+
+	nor@0,0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "cfi-flash";
+		reg = <0x0 0x0 0x8000000>;
+		bank-width = <2>;
+		device-width = <1>;
+	};
+};
+
+&lpuart0 {
+	status = "okay";
+};
+
+&mdio0 {
+	sgmii_phy0: ethernet-phy@0 {
+		reg = <0x0>;
+	};
+	rgmii_phy1: ethernet-phy@1 {
+		reg = <0x1>;
+	};
+	sgmii_phy2: ethernet-phy@2 {
+		reg = <0x2>;
+	};
+	tbi1: tbi-phy@1f {
+		reg = <0x1f>;
+		device_type = "tbi-phy";
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&uart1 {
+	status = "okay";
+};