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.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Udit Kumar <u-kumar1@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
index 9e12a6e9111f8a20ed1c8af867c38ecb14a0bf54..cee3a8661d5e3c82e932590f78546a10227c5603 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts
@@ -169,6 +169,23 @@
                >;
        };
 
+       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 @@
        };
 };
 
+&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>;