From 0275c2c8c95cc54be1b24e6efacd7f40cf2d410c Mon Sep 17 00:00:00 2001
From: Vaishnav Achath <vaishnav.a@ti.com>
Date: Thu, 9 Jun 2022 14:57:28 +0530
Subject: [PATCH] arm: dts: k3-j721s2: Add OSPI1 description necessary for QSPI
 boot

Add OSPI1 description and pinmux node in j721s2-r5 dts which
is necessary for enabling QSPI boot support.

Signed-off-by: Vaishnav Achath <vaishnav.a@ti.com>
---
 .../dts/k3-j721s2-r5-common-proc-board.dts    | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/arch/arm/dts/k3-j721s2-r5-common-proc-board.dts b/arch/arm/dts/k3-j721s2-r5-common-proc-board.dts
index 9b02ea94d1..086f6da06c 100644
--- a/arch/arm/dts/k3-j721s2-r5-common-proc-board.dts
+++ b/arch/arm/dts/k3-j721s2-r5-common-proc-board.dts
@@ -146,6 +146,20 @@
 			J721S2_WKUP_IOPAD(0x0b4, PIN_OUTPUT, 0) /* (D27) WKUP_UART0_TXD */
 		>;
 	};
+
+	mcu_fss0_ospi1_pins_default: mcu-fss0-ospi1-pins-default {
+		pinctrl-single,pins = <
+			J721S2_WKUP_IOPAD(0x040, PIN_OUTPUT, 0) /* (A19) MCU_OSPI1_CLK */
+			J721S2_WKUP_IOPAD(0x05c, PIN_OUTPUT, 0) /* (D20) MCU_OSPI1_CSn0 */
+			J721S2_WKUP_IOPAD(0x060, PIN_OUTPUT, 0) /* (C21) MCU_OSPI1_CSn1 */
+			J721S2_WKUP_IOPAD(0x04c, PIN_INPUT, 0) /* (D21) MCU_OSPI1_D0 */
+			J721S2_WKUP_IOPAD(0x050, PIN_INPUT, 0) /* (G20) MCU_OSPI1_D1 */
+			J721S2_WKUP_IOPAD(0x054, PIN_INPUT, 0) /* (C20) MCU_OSPI1_D2 */
+			J721S2_WKUP_IOPAD(0x058, PIN_INPUT, 0) /* (A20) MCU_OSPI1_D3 */
+			J721S2_WKUP_IOPAD(0x048, PIN_INPUT, 0) /* (B19) MCU_OSPI1_DQS */
+			J721S2_WKUP_IOPAD(0x044, PIN_INPUT, 0) /* (B20) MCU_OSPI1_LBCLKO */
+		>;
+	};
 };
 
 &sms {
@@ -232,4 +246,27 @@
 		#size-cells = <1>;
 	};
 };
+
+&ospi1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcu_fss0_ospi1_pins_default>;
+
+	reg = <0x0 0x47050000 0x0 0x100>,
+	      <0x0 0x58000000 0x0 0x8000000>;
+
+	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>;
+	};
+};
 #include "k3-j721s2-common-proc-board-u-boot.dtsi"