[PATCH] arm64: dts: ls1088a: Add QSPI support

[Kuldeep Singh <kuldeep.singh@xxxxxxx>]

QSPI support is added for kernel version greater than 5.0 and supports
quad mode defined by
TX-WIDTH = <4>, RX-WIDTH = <4>

RDB/QDS has two 64MB flash from SPANSION(s25fs512s)

Signed-off-by: Ashish Kumar <ashish.kumar@xxxxxxx>
Signed-off-by: Kuldeep Singh <kuldeep.singh@xxxxxxx>
---
Dependency on https://patchwork.ozlabs.org/patch/1100471/
Dependency on https://patchwork.ozlabs.org/patch/1100472/

 .../boot/dts/freescale/fsl-ls1088a-qds.dts    | 26 +++++++++++++++++++
 .../boot/dts/freescale/fsl-ls1088a-rdb.dts    | 26 +++++++++++++++++++
 .../arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 13 ++++++++++
 3 files changed, 65 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a-qds.dts b/arch/arm64/boot/dts/freescale/fsl-ls1088a-qds.dts
index 6f48d21b97c0..f01f7fca9df7 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1088a-qds.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a-qds.dts
@@ -98,6 +98,32 @@
 	};
 };
 
+&qspi {
+	status = "okay";
+
+	qflash0: flash@0 {
+		compatible = "spansion,m25p80", "jedec,spi-nor";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		m25p,fast-read;
+		spi-max-frequency = <20000000>;
+		spi-rx-bus-width = <4>;
+		spi-tx-bus-width = <4>;
+		reg = <0>;
+	};
+
+	qflash1: flash@1 {
+		compatible = "spansion,m25p80", "jedec,spi-nor";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		m25p,fast-read;
+		spi-max-frequency = <20000000>;
+		spi-rx-bus-width = <4>;
+		spi-tx-bus-width = <4>;
+		reg = <1>;
+	};
+};
+
 &duart0 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
index 8e925df6c01c..bdec7e996dbe 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
@@ -74,6 +74,32 @@
 	};
 };
 
+&qspi {
+	status = "okay";
+
+	qflash0: flash@0 {
+		compatible = "spansion,m25p80", "jedec,spi-nor";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		m25p,fast-read;
+		spi-max-frequency = <20000000>;
+		spi-rx-bus-width = <4>;
+		spi-tx-bus-width = <4>;
+		reg = <0>;
+	};
+
+	qflash1: flash@1  {
+		compatible = "spansion,m25p80", "jedec,spi-nor";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		m25p,fast-read;
+		spi-max-frequency = <20000000>;
+		spi-rx-bus-width = <4>;
+		spi-tx-bus-width = <4>;
+		reg = <1>;
+	};
+};
+
 &duart0 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
index 661137ffa319..96424fd9cd2e 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
@@ -318,6 +318,19 @@
 			status = "disabled";
 		};
 
+		qspi: spi@20c0000 {
+			status = "disabled";
+			compatible = "fsl,ls2080a-qspi", "fsl,ls1088a-qspi";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x0 0x20c0000 0x0 0x10000>,
+			      <0x0 0x20000000 0x0 0x10000000>;
+			reg-names = "QuadSPI", "QuadSPI-memory";
+			interrupts = <0 25 0x4>; /* Level high type */
+			clocks = <&clockgen 4 3>, <&clockgen 4 3>;
+			clock-names = "qspi_en", "qspi";
+		};
+
 		i2c0: i2c@2000000 {
 			compatible = "fsl,vf610-i2c";
 			#address-cells = <1>;
-- 
2.17.1

______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/