armv8/ls1043ardb: add DSPI support

Use the U-Boot Driver Model. Just enable Freescale DSPI driver
and set DSPI related parameters in dts file.

Signed-off-by: Gong Qianyu <Qianyu.Gong@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

arch/arm/dts/fsl-ls1043a-rdb.dts

@@ -15,6 +15,25 @@
 
 / {
 	model = "LS1043A RDB Board";
+
+        aliases {
+		spi1 = &dspi0;
+        };
+
+};
+
+&dspi0 {
+	bus-num = <0>;
+	status = "okay";
+
+	dspiflash: n25q12a {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spi-flash";
+		reg = <0>;
+		spi-max-frequency = <1000000>; /* input clock */
+	};
+
 };
 
 &i2c0 {

arch/arm/dts/fsl-ls1043a.dtsi

@@ -79,6 +79,32 @@
 			clocks = <&sysclk>;
 		};
 
+		dspi0: dspi@2100000 {
+			compatible = "fsl,vf610-dspi";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x0 0x2100000 0x0 0x10000>;
+			interrupts = <0 64 0x4>;
+			clock-names = "dspi";
+			clocks = <&clockgen 4 0>;
+			num-cs = <6>;
+			big-endian;
+			status = "disabled";
+		};
+
+		dspi1: dspi@2110000 {
+			compatible = "fsl,vf610-dspi";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x0 0x2110000 0x0 0x10000>;
+			interrupts = <0 65 0x4>;
+			clock-names = "dspi";
+			clocks = <&clockgen 4 0>;
+			num-cs = <6>;
+			big-endian;
+			status = "disabled";
+		};
+
 		ifc: ifc@1530000 {
 			compatible = "fsl,ifc", "simple-bus";
 			reg = <0x0 0x1530000 0x0 0x10000>;

configs/ls1043ardb_defconfig

@@ -4,3 +4,6 @@ CONFIG_SYS_EXTRA_OPTIONS="SYS_FSL_DDR4"
 CONFIG_SYS_NS16550=y
 CONFIG_DEFAULT_DEVICE_TREE="fsl-ls1043a-rdb"
 CONFIG_OF_CONTROL=y
+CONFIG_DM=y
+CONFIG_SPI_FLASH=y
+CONFIG_DM_SPI=y

configs/ls1043ardb_nand_defconfig

@@ -3,3 +3,8 @@ CONFIG_TARGET_LS1043ARDB=y
 CONFIG_SPL=y
 CONFIG_SYS_EXTRA_OPTIONS="RAMBOOT_PBL,SPL_FSL_PBL,NAND_BOOT,SYS_FSL_DDR4"
 CONFIG_SYS_NS16550=y
+CONFIG_DEFAULT_DEVICE_TREE="fsl-ls1043a-rdb"
+CONFIG_OF_CONTROL=y
+CONFIG_DM=y
+CONFIG_SPI_FLASH=y
+CONFIG_DM_SPI=y

configs/ls1043ardb_sdcard_defconfig

@@ -3,3 +3,8 @@ CONFIG_TARGET_LS1043ARDB=y
 CONFIG_SPL=y
 CONFIG_SYS_EXTRA_OPTIONS="RAMBOOT_PBL,SPL_FSL_PBL,SD_BOOT,SYS_FSL_DDR4"
 CONFIG_SYS_NS16550=y
+CONFIG_DEFAULT_DEVICE_TREE="fsl-ls1043a-rdb"
+CONFIG_OF_CONTROL=y
+CONFIG_DM=y
+CONFIG_SPI_FLASH=y
+CONFIG_DM_SPI=y

include/configs/ls1043ardb.h

@@ -222,6 +222,16 @@
 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	3
 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	5
 
+/* DSPI */
+#define CONFIG_FSL_DSPI
+#ifdef CONFIG_FSL_DSPI
+#define CONFIG_CMD_SF
+#define CONFIG_DM_SPI_FLASH
+#define CONFIG_SPI_FLASH_STMICRO
+#define CONFIG_SF_DEFAULT_BUS		1
+#define CONFIG_SF_DEFAULT_CS		0
+#endif
+
 /*
  * Environment
  */