linux-kernel - [PATCH v4 3/5] arm64: dts: lx2160a: add FlexSPI node property

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Message-Id: <1538997103-11152-4-git-send-email-yogeshnarayan.gaur@nxp.com>
Date:   Mon,  8 Oct 2018 16:41:41 +0530
From:   Yogesh Gaur <yogeshnarayan.gaur@....com>
To:     linux-mtd@...ts.infradead.org, boris.brezillon@...tlin.com,
        marek.vasut@...il.com, linux-spi@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     robh@...nel.org, mark.rutland@....com, shawnguo@...nel.org,
        linux-arm-kernel@...ts.infradead.org, computersforpeace@...il.com,
        frieder.schrempf@...eet.de, linux-kernel@...r.kernel.org,
        Yogesh Gaur <yogeshnarayan.gaur@....com>
Subject: [PATCH v4 3/5] arm64: dts: lx2160a: add FlexSPI node property

Add fspi node property for LX2160A SoC for FlexSPI driver.
Property added for the FlexSPI controller and for the connected
slave device for the LX2160ARDB target.
This is having two SPI-NOR flash device, mt35xu512aba, connected
at CS0 and CS1.

Signed-off-by: Yogesh Gaur <yogeshnarayan.gaur@....com>
---
Changes for v4:
- None
Changes for v3:
- None
Changes for v2:
- Incorporated Shawn review comments.

 arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts | 22 ++++++++++++++++++++++
 arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi    | 12 ++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts
index 70fad20..901ca346 100644
--- a/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts
@@ -32,6 +32,28 @@
 	status = "okay";
 };
 
+&fspi {
+	status = "okay";
+
+	mt35xu512aba0: flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spansion,m25p80";
+		m25p,fast-read;
+		spi-max-frequency = <20000000>;
+		reg = <0>;
+	};
+
+	mt35xu512aba1: flash@1 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spansion,m25p80";
+		m25p,fast-read;
+		spi-max-frequency = <20000000>;
+		reg = <1>;
+	};
+};
+
 &i2c0 {
 	status = "okay";
 	pca9547@77 {
diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
index e35e494..bd2d606 100644
--- a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
@@ -568,5 +568,17 @@
 			timeout-sec = <30>;
 		};
 
+		fspi: flexspi@...0000 {
+			compatible = "nxp,lx2160a-fspi";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x0 0x20c0000 0x0 0x10000>,
+				<0x0 0x20000000 0x0 0x10000000>;
+			reg-names = "fspi_base", "fspi_mmap";
+			interrupts = <0 25 0x4>; /* Level high type */
+			clocks = <&clockgen 4 3>, <&clockgen 4 3>;
+			clock-names = "fspi_en", "fspi";
+			status = "disabled";
+		};
 	};
 };
-- 
2.7.4