ARM: dts: NSP: Add QSPI nodes to NSPI and bcm958625k DTSes

Adding QSPI Device Tree node compatible with the new spi-bcm-qspi driver for
the Broadcom Northstar Plus SoC DTSI and bcm958625k reference board.
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Signed-off-by: Yendapally Reddy Dhananjaya Reddy <yendapally.reddy@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

arch/arm/boot/dts/bcm-nsp.dtsi

@@ -160,7 +160,7 @@ periph_clk: periph_clk {
 
 	axi {
 		compatible = "simple-bus";
-		ranges = <0x00000000 0x18000000 0x0011ba08>;
+		ranges = <0x00000000 0x18000000 0x0011c40a>;
 		#address-cells = <1>;
 		#size-cells = <1>;
 
@@ -254,6 +254,35 @@ rng: rng@33000 {
 			reg = <0x33000 0x14>;
 		};
 
+		qspi: qspi@27200 {
+			compatible = "brcm,spi-bcm-qspi", "brcm,spi-nsp-qspi";
+			reg = <0x027200 0x184>,
+			      <0x027000 0x124>,
+			      <0x11c408 0x004>,
+			      <0x0273a0 0x01c>;
+			reg-names = "mspi", "bspi", "intr_regs",
+				    "intr_status_reg";
+			interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "spi_lr_fullness_reached",
+					  "spi_lr_session_aborted",
+					  "spi_lr_impatient",
+					  "spi_lr_session_done",
+					  "spi_lr_overhead",
+					  "mspi_done",
+					  "mspi_halted";
+			clocks = <&iprocmed>;
+			clock-names = "iprocmed";
+			num-cs = <2>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
 		ccbtimer0: timer@34000 {
 			compatible = "arm,sp804";
 			reg = <0x34000 0x1000>;

arch/arm/boot/dts/bcm958625k.dts

@@ -139,3 +139,37 @@ nand_sel: nand_sel {
 		groups = "nand_grp";
 	};
 };
+
+&qspi {
+	bspi-sel = <0>;
+	flash: m25p80@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "m25p80";
+		reg = <0x0>;
+		spi-max-frequency = <12500000>;
+		m25p,fast-read;
+		spi-cpol;
+		spi-cpha;
+
+		partition@0 {
+			label = "boot";
+			reg = <0x00000000 0x000a0000>;
+		};
+
+		partition@a0000 {
+			label = "env";
+			reg = <0x000a0000 0x00060000>;
+		};
+
+		partition@100000 {
+			label = "system";
+			reg = <0x00100000 0x00600000>;
+		};
+
+		partition@700000 {
+			label = "rootfs";
+			reg = <0x00700000 0x01900000>;
+		};
+	};
+};