ARM: dts: k3-j721e: Add OSPI DT nodes
Add OSPI DT nodes to enable OSPI at U-Boot prompt and also to support
OSPI boot.
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
diff --git a/arch/arm/dts/k3-j721e-common-proc-board.dts b/arch/arm/dts/k3-j721e-common-proc-board.dts
index d216b70..496a15e 100644
--- a/arch/arm/dts/k3-j721e-common-proc-board.dts
+++ b/arch/arm/dts/k3-j721e-common-proc-board.dts
@@ -123,6 +123,19 @@
J721E_WKUP_IOPAD(0xfc, PIN_INPUT_PULLUP, 0) /* (H24) WKUP_I2C0_SDA */
>;
};
+
+ mcu_fss0_ospi1_pins_default: mcu-fss0-ospi1-pins-default {
+ pinctrl-single,pins = <
+ J721E_WKUP_IOPAD(0x34, PIN_OUTPUT, 0) /* (F22) MCU_OSPI1_CLK */
+ J721E_WKUP_IOPAD(0x50, PIN_OUTPUT, 0) /* (C22) MCU_OSPI1_CSn0 */
+ J721E_WKUP_IOPAD(0x40, PIN_INPUT, 0) /* (D22) MCU_OSPI1_D0 */
+ J721E_WKUP_IOPAD(0x44, PIN_INPUT, 0) /* (G22) MCU_OSPI1_D1 */
+ J721E_WKUP_IOPAD(0x48, PIN_INPUT, 0) /* (D23) MCU_OSPI1_D2 */
+ J721E_WKUP_IOPAD(0x4c, PIN_INPUT, 0) /* (C23) MCU_OSPI1_D3 */
+ J721E_WKUP_IOPAD(0x3c, PIN_INPUT, 0) /* (B23) MCU_OSPI1_DQS */
+ J721E_WKUP_IOPAD(0x38, PIN_INPUT, 0) /* (A23) MCU_OSPI1_LBCLKO */
+ >;
+ };
};
&usbss0 {
@@ -172,3 +185,23 @@
#gpio-cells = <2>;
};
};
+
+&ospi1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcu_fss0_ospi1_pins_default>;
+
+ flash@0{
+ compatible = "jedec,spi-nor";
+ reg = <0x0>;
+ spi-tx-bus-width = <1>;
+ spi-rx-bus-width = <4>;
+ spi-max-frequency = <40000000>;
+ cdns,tshsl-ns = <60>;
+ cdns,tsd2d-ns = <60>;
+ cdns,tchsh-ns = <60>;
+ cdns,tslch-ns = <60>;
+ cdns,read-delay = <2>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ };
+};