ARM: dts: k3-am65: 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>

5 files changed, 143 insertions, 2 deletions

diff --git a/arch/arm/dts/k3-am65-mcu.dtsi b/arch/arm/dts/k3-am65-mcu.dtsi
index c42e755..bc9a872 100644
--- a/arch/arm/dts/k3-am65-mcu.dtsi
+++ b/arch/arm/dts/k3-am65-mcu.dtsi
@@ -64,4 +64,42 @@
 			loczrama = <1>;
 		};
 	};
+
+	fss: fss@47000000 {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		ospi0: spi@47040000 {
+			compatible = "ti,am654-ospi", "cdns,qspi-nor";
+			reg = <0x0 0x47040000 0x0 0x100>,
+				<0x5 0x00000000 0x1 0x0000000>;
+			interrupts = <GIC_SPI 552 IRQ_TYPE_LEVEL_HIGH>;
+			cdns,fifo-depth = <256>;
+			cdns,fifo-width = <4>;
+			cdns,trigger-address = <0x0>;
+			clocks = <&k3_clks 248 0>;
+			assigned-clocks = <&k3_clks 248 0>;
+			assigned-clock-parents = <&k3_clks 248 2>;
+			assigned-clock-rates = <166666666>;
+			power-domains = <&k3_pds 248 TI_SCI_PD_EXCLUSIVE>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		ospi1: spi@47050000 {
+			compatible = "ti,am654-ospi", "cdns,qspi-nor";
+			reg = <0x0 0x47050000 0x0 0x100>,
+				<0x7 0x00000000 0x1 0x00000000>;
+			interrupts = <GIC_SPI 553 IRQ_TYPE_LEVEL_HIGH>;
+			cdns,fifo-depth = <256>;
+			cdns,fifo-width = <4>;
+			cdns,trigger-address = <0x0>;
+			clocks = <&k3_clks 249 6>;
+			power-domains = <&k3_pds 249 TI_SCI_PD_EXCLUSIVE>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+	};
 };
diff --git a/arch/arm/dts/k3-am65.dtsi b/arch/arm/dts/k3-am65.dtsi
index 3ead944..3d89bf3 100644
--- a/arch/arm/dts/k3-am65.dtsi
+++ b/arch/arm/dts/k3-am65.dtsi
@@ -30,6 +30,8 @@
 		i2c3 = &main_i2c1;
 		i2c4 = &main_i2c2;
 		i2c5 = &main_i2c3;
+		spi0 = &ospi0;
+		spi1 = &ospi1;
 	};
 
 	chosen { };
@@ -79,7 +81,11 @@
 			 <0x00 0x42040000 0x00 0x42040000 0x00 0x03ac2400>,
 			 <0x00 0x45100000 0x00 0x45100000 0x00 0x00c24000>,
 			 <0x00 0x46000000 0x00 0x46000000 0x00 0x00200000>,
-			 <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>;
+			 <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>,
+			 <0x00 0x50000000 0x00 0x50000000 0x00 0x8000000>,
+			 <0x00 0x70000000 0x00 0x70000000 0x00 0x200000>,
+			 <0x05 0x00000000 0x05 0x00000000 0x01 0x0000000>,
+			 <0x07 0x00000000 0x07 0x00000000 0x01 0x0000000>;
 
 		cbass_mcu: interconnect@28380000 {
 			compatible = "simple-bus";
@@ -93,7 +99,10 @@
 				 <0x00 0x42040000 0x00 0x42040000 0x00 0x03ac2400>, /* WKUP */
 				 <0x00 0x45100000 0x00 0x45100000 0x00 0x00c24000>, /* MMRs, remaining NAVSS */
 				 <0x00 0x46000000 0x00 0x46000000 0x00 0x00200000>, /* CPSW */
-				 <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>; /* OSPI space 1 */
+				 <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>, /* OSPI space 1 */
+				 <0x00 0x50000000 0x00 0x50000000 0x00 0x8000000>, /*  FSS OSPI0 data region 1 */
+				 <0x05 0x00000000 0x05 0x00000000 0x01 0x0000000>, /* FSS OSPI0 data region 3*/
+				 <0x07 0x00000000 0x07 0x00000000 0x01 0x0000000>; /* FSS OSPI1 data region 3*/
 
 			cbass_wakeup: interconnect@42040000 {
 				compatible = "simple-bus";
diff --git a/arch/arm/dts/k3-am654-base-board-u-boot.dtsi b/arch/arm/dts/k3-am654-base-board-u-boot.dtsi
index a349edc..2cbe69e 100644
--- a/arch/arm/dts/k3-am654-base-board-u-boot.dtsi
+++ b/arch/arm/dts/k3-am654-base-board-u-boot.dtsi
@@ -43,6 +43,7 @@
 		#address-cells = <2>;
 		#size-cells = <2>;
 		ranges;
+		u-boot,dm-spl;
 
 		ti,sci-dev-id = <119>;
 
@@ -59,6 +60,7 @@
 			ti,dma-ring-reset-quirk;
 			ti,sci = <&dmsc>;
 			ti,sci-dev-id = <195>;
+			u-boot,dm-spl;
 		};
 
 		mcu_udmap: udmap@285c0000 {
@@ -81,6 +83,7 @@
 						<0x4>; /* RX_CHAN */
 			ti,sci-rm-range-rflow = <0x5>; /* GP RFLOW */
 			dma-coherent;
+			u-boot,dm-spl;
 		};
 	};
 
@@ -305,6 +308,10 @@
 			AM65X_WKUP_IOPAD(0x0088, PIN_INPUT, 0) /* (L4) MCU_MDIO0_MDIO */
 		>;
 	};
+
+	mcu-fss0-ospi0-pins-default {
+		u-boot,dm-spl;
+	};
 };
 
 &main_uart0 {
@@ -365,3 +372,15 @@
 &usb1 {
 	dr_mode = "peripheral";
 };
+
+&fss {
+	u-boot,dm-spl;
+};
+
+&ospi0 {
+	u-boot,dm-spl;
+
+	 flash@0{
+		u-boot,dm-spl;
+	};
+};
diff --git a/arch/arm/dts/k3-am654-base-board.dts b/arch/arm/dts/k3-am654-base-board.dts
index 7ebbf17..375f1d0 100644
--- a/arch/arm/dts/k3-am654-base-board.dts
+++ b/arch/arm/dts/k3-am654-base-board.dts
@@ -73,6 +73,22 @@
 			AM65X_WKUP_IOPAD(0x00e4, PIN_INPUT, 0) /* (AD6) WKUP_I2C0_SDA */
 		>;
 	};
+
+	mcu_fss0_ospi0_pins_default: mcu-fss0-ospi0-pins_default {
+		pinctrl-single,pins = <
+			AM65X_WKUP_IOPAD(0x0000, PIN_OUTPUT, 0) /* (V1) MCU_OSPI0_CLK */
+			AM65X_WKUP_IOPAD(0x0008, PIN_INPUT, 0)	 /* (U2) MCU_OSPI0_DQS */
+			AM65X_WKUP_IOPAD(0x000c, PIN_INPUT, 0)  /* (U4) MCU_OSPI0_D0 */
+			AM65X_WKUP_IOPAD(0x0010, PIN_INPUT, 0)  /* (U5) MCU_OSPI0_D1 */
+			AM65X_WKUP_IOPAD(0x0014, PIN_INPUT, 0)  /* (T2) MCU_OSPI0_D2 */
+			AM65X_WKUP_IOPAD(0x0018, PIN_INPUT, 0)  /* (T3) MCU_OSPI0_D3 */
+			AM65X_WKUP_IOPAD(0x001c, PIN_INPUT, 0)  /* (T4) MCU_OSPI0_D4 */
+			AM65X_WKUP_IOPAD(0x0020, PIN_INPUT, 0)  /* (T5) MCU_OSPI0_D5 */
+			AM65X_WKUP_IOPAD(0x0024, PIN_INPUT, 0)  /* (R2) MCU_OSPI0_D6 */
+			AM65X_WKUP_IOPAD(0x0028, PIN_INPUT, 0)  /* (R3) MCU_OSPI0_D7 */
+			AM65X_WKUP_IOPAD(0x002c, PIN_OUTPUT, 0) /* (R4) MCU_OSPI0_CSn0 */
+		>;
+	};
 };
 
 &sdhci0 {
@@ -117,3 +133,23 @@
 &usb0_phy {
 	status = "disabled";
 };
+
+&ospi0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcu_fss0_ospi0_pins_default>;
+
+	flash@0{
+		compatible = "jedec,spi-nor";
+		reg = <0x0>;
+		spi-tx-bus-width = <1>;
+		spi-rx-bus-width = <8>;
+		spi-max-frequency = <40000000>;
+		cdns,tshsl-ns = <60>;
+		cdns,tsd2d-ns = <60>;
+		cdns,tchsh-ns = <60>;
+		cdns,tslch-ns = <60>;
+		cdns,read-delay = <0>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+	};
+};
diff --git a/arch/arm/dts/k3-am654-r5-base-board.dts b/arch/arm/dts/k3-am654-r5-base-board.dts
index 5d5689d..257b56a 100644
--- a/arch/arm/dts/k3-am654-r5-base-board.dts
+++ b/arch/arm/dts/k3-am654-r5-base-board.dts
@@ -179,6 +179,22 @@
 			AM65X_WKUP_IOPAD(0x00e4, PIN_INPUT, 0) /* (AD6) WKUP_I2C0_SDA */
 		>;
 	};
+
+	mcu_fss0_ospi0_pins_default: mcu-fss0-ospi0-pins_default {
+		pinctrl-single,pins = <
+			AM65X_WKUP_IOPAD(0x0000, PIN_OUTPUT, 0) /* (V1) MCU_OSPI0_CLK */
+			AM65X_WKUP_IOPAD(0x0008, PIN_INPUT, 0)	 /* (U2) MCU_OSPI0_DQS */
+			AM65X_WKUP_IOPAD(0x000c, PIN_INPUT, 0)  /* (U4) MCU_OSPI0_D0 */
+			AM65X_WKUP_IOPAD(0x0010, PIN_INPUT, 0)  /* (U5) MCU_OSPI0_D1 */
+			AM65X_WKUP_IOPAD(0x0014, PIN_INPUT, 0)  /* (T2) MCU_OSPI0_D2 */
+			AM65X_WKUP_IOPAD(0x0018, PIN_INPUT, 0)  /* (T3) MCU_OSPI0_D3 */
+			AM65X_WKUP_IOPAD(0x001c, PIN_INPUT, 0)  /* (T4) MCU_OSPI0_D4 */
+			AM65X_WKUP_IOPAD(0x0020, PIN_INPUT, 0)  /* (T5) MCU_OSPI0_D5 */
+			AM65X_WKUP_IOPAD(0x0024, PIN_INPUT, 0)  /* (R2) MCU_OSPI0_D6 */
+			AM65X_WKUP_IOPAD(0x0028, PIN_INPUT, 0)  /* (R3) MCU_OSPI0_D7 */
+			AM65X_WKUP_IOPAD(0x002c, PIN_OUTPUT, 0) /* (R4) MCU_OSPI0_CSn0 */
+		>;
+	};
 };
 
 &main_pmx0 {
@@ -239,3 +255,26 @@
 		u-boot,dm-spl;
 	};
 };
+
+&ospi0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcu_fss0_ospi0_pins_default>;
+
+	reg = <0x0 0x47040000 0x0 0x100>,
+	      <0x0 0x50000000 0x0 0x8000000>;
+
+	flash@0{
+		compatible = "jedec,spi-nor";
+		reg = <0x0>;
+		spi-tx-bus-width = <1>;
+		spi-rx-bus-width = <8>;
+		spi-max-frequency = <40000000>;
+		cdns,tshsl-ns = <60>;
+		cdns,tsd2d-ns = <60>;
+		cdns,tchsh-ns = <60>;
+		cdns,tslch-ns = <60>;
+		cdns,read-delay = <0>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+	};
+};