linux-kernel - [PATCH v11 3/8] arm64: dts: ti: k3-j721s2-mcu-wakeup: Add support of OSPI

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Message-ID: <20230224102438.6541-4-r-gunasekaran@ti.com>
Date:   Fri, 24 Feb 2023 15:54:33 +0530
From:   Ravi Gunasekaran <r-gunasekaran@...com>
To:     <nm@...com>, <afd@...com>, <vigneshr@...com>, <kristo@...nel.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <s-vadapalli@...com>, <vaishnav.a@...com>, <r-gunasekaran@...com>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v11 3/8] arm64: dts: ti: k3-j721s2-mcu-wakeup: Add support of OSPI

From: Aswath Govindraju <a-govindraju@...com>

Add support for two instance of OSPI in J721S2 SoC.

Reviewed-by: Vaishnav Achath <vaishnav.a@...com>
Signed-off-by: Aswath Govindraju <a-govindraju@...com>
Signed-off-by: Matt Ranostay <mranostay@...com>
Signed-off-by: Ravi Gunasekaran <r-gunasekaran@...com>
---
Changes from v10:
* Documented the reason for disabling the nodes by default.
* Removed Link tag from commmit message

Changes from v9:
* Disabled fss, ospi nodes by default in common DT file

Changes from v8:
* Updated "ranges" property to fix dtbs warnings

Changes from v7:
* Removed "reg" property from syscon node
* Renamed the "syscon" node to "bus" to after change in
  compatible property

Changes from v6:
* Fixed the syscon node's compatible property

Changes from v5:
* Updated the syscon node's compatible property
* Removed Cc tags from commit message

Changes from v4:
* No change

Changes from v3:
* No change

Changes from v2:
* No change

Changes from v1:
* No change

 .../boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi     | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
index 0af242aa9816..5005a3ebbd34 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
@@ -306,4 +306,66 @@
 			ti,cpts-periodic-outputs = <2>;
 		};
 	};
+
+	fss: bus@...00000 {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges = <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>,
+			 <0x05 0x00000000 0x05 0x00000000 0x01 0x00000000>,
+			 <0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>;
+
+		/*
+		 * Disable the node by default in the common include file.
+		 * And enable it in the board specific DT file where the
+		 * pinmux property is added.
+		 */
+		status = "disabled";
+
+		ospi0: spi@...40000 {
+			compatible = "ti,am654-ospi", "cdns,qspi-nor";
+			reg = <0x00 0x47040000 0x00 0x100>,
+			      <0x05 0x00000000 0x01 0x00000000>;
+			interrupts = <GIC_SPI 840 IRQ_TYPE_LEVEL_HIGH>;
+			cdns,fifo-depth = <256>;
+			cdns,fifo-width = <4>;
+			cdns,trigger-address = <0x0>;
+			clocks = <&k3_clks 109 5>;
+			assigned-clocks = <&k3_clks 109 5>;
+			assigned-clock-parents = <&k3_clks 109 7>;
+			assigned-clock-rates = <166666666>;
+			power-domains = <&k3_pds 109 TI_SCI_PD_EXCLUSIVE>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			/*
+			 * Disable the node by default in the common include
+			 * file. And enable it in the board specific DT file
+			 * where the pinmux property is added.
+			 */
+			status = "disabled";
+		};
+
+		ospi1: spi@...50000 {
+			compatible = "ti,am654-ospi", "cdns,qspi-nor";
+			reg = <0x00 0x47050000 0x00 0x100>,
+			      <0x07 0x00000000 0x01 0x00000000>;
+			interrupts = <GIC_SPI 841 IRQ_TYPE_LEVEL_HIGH>;
+			cdns,fifo-depth = <256>;
+			cdns,fifo-width = <4>;
+			cdns,trigger-address = <0x0>;
+			clocks = <&k3_clks 110 5>;
+			power-domains = <&k3_pds 110 TI_SCI_PD_EXCLUSIVE>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			/*
+			 * Disable the node by default in the common include
+			 * file. And enable it in the board specific DT file
+			 * where the pinmux property is added.
+			 */
+			status = "disabled";
+		};
+
+	};
 };
-- 
2.17.1