arm64: dts: ti: k3-j722s-evm: Enable OSPI NOR support

J722S EVM has S28HS512T 64 MiB Octal SPI NOR flash connected
to the OSPI interface, add support for the flash and describe
the partition information as per bootloader.
Signed-off-by: Vaishnav Achath <vaishnav.a@ti.com>
Link: https://lore.kernel.org/r/20240219090435.934383-3-vaishnav.a@ti.comSigned-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Udit Kumar <u-kumar1@ti.com>

arch/arm64/boot/dts/ti/k3-j722s-evm.dts

@@ -169,6 +169,23 @@ J722S_IOPAD(0x015c, PIN_INPUT, 0) /* (AD25) MDIO0_MDIO */
 		>;
 	};
 
+	ospi0_pins_default: ospi0-default-pins {
+		pinctrl-single,pins = <
+			J722S_IOPAD(0x0000, PIN_OUTPUT, 0) /* (L24) OSPI0_CLK */
+			J722S_IOPAD(0x002c, PIN_OUTPUT, 0) /* (K26) OSPI0_CSn0 */
+			J722S_IOPAD(0x000c, PIN_INPUT, 0) /* (K27) OSPI0_D0 */
+			J722S_IOPAD(0x0010, PIN_INPUT, 0) /* (L27) OSPI0_D1 */
+			J722S_IOPAD(0x0014, PIN_INPUT, 0) /* (L26) OSPI0_D2 */
+			J722S_IOPAD(0x0018, PIN_INPUT, 0) /* (L25) OSPI0_D3 */
+			J722S_IOPAD(0x001c, PIN_INPUT, 0) /* (L21) OSPI0_D4 */
+			J722S_IOPAD(0x0020, PIN_INPUT, 0) /* (M26) OSPI0_D5 */
+			J722S_IOPAD(0x0024, PIN_INPUT, 0) /* (N27) OSPI0_D6 */
+			J722S_IOPAD(0x0028, PIN_INPUT, 0) /* (M27) OSPI0_D7 */
+			J722S_IOPAD(0x0008, PIN_INPUT, 0) /* (L22) OSPI0_DQS */
+		>;
+		bootph-all;
+	};
+
 	rgmii1_pins_default: rgmii1-default-pins {
 		pinctrl-single,pins = <
 			J722S_IOPAD(0x014c, PIN_INPUT, 0) /* (AC25) RGMII1_RD0 */
@@ -290,6 +307,68 @@ exp1: gpio@23 {
 	};
 };
 
+&ospi0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&ospi0_pins_default>;
+	status = "okay";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0x0>;
+		spi-tx-bus-width = <8>;
+		spi-rx-bus-width = <8>;
+		spi-max-frequency = <25000000>;
+		cdns,tshsl-ns = <60>;
+		cdns,tsd2d-ns = <60>;
+		cdns,tchsh-ns = <60>;
+		cdns,tslch-ns = <60>;
+		cdns,read-delay = <4>;
+		bootph-all;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "ospi.tiboot3";
+				reg = <0x00 0x80000>;
+			};
+
+			partition@80000 {
+				label = "ospi.tispl";
+				reg = <0x80000 0x200000>;
+			};
+
+			partition@280000 {
+				label = "ospi.u-boot";
+				reg = <0x280000 0x400000>;
+			};
+
+			partition@680000 {
+				label = "ospi.env";
+				reg = <0x680000 0x40000>;
+			};
+
+			partition@6c0000 {
+				label = "ospi.env.backup";
+				reg = <0x6c0000 0x40000>;
+			};
+
+			partition@800000 {
+				label = "ospi.rootfs";
+				reg = <0x800000 0x37c0000>;
+			};
+
+			partition@3fc0000 {
+				label = "ospi.phypattern";
+				reg = <0x3fc0000 0x40000>;
+			};
+		};
+	};
+
+};
+
 &sdhci1 {
 	/* SD/MMC */
 	vmmc-supply = <&vdd_mmc1>;