[PATCH] arm64: dts: ls1012a: Add QSPI support for ls1012a

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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 one 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/

 .../arm64/boot/dts/freescale/fsl-ls1012a-frdm.dts | 15 +++++++++++++++
 .../arm64/boot/dts/freescale/fsl-ls1012a-frwy.dts | 15 +++++++++++++++
 arch/arm64/boot/dts/freescale/fsl-ls1012a-qds.dts | 15 +++++++++++++++
 arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts | 15 +++++++++++++++
 arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi    | 15 +++++++++++++++
 5 files changed, 75 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a-frdm.dts b/arch/arm64/boot/dts/freescale/fsl-ls1012a-frdm.dts
index f90c040fd5e8..8826278b37bf 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1012a-frdm.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a-frdm.dts
@@ -61,6 +61,21 @@
 	status = "okay";
 };
 
+&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>;
+	};
+};
+
 &i2c0 {
 	status = "okay";
 
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a-frwy.dts b/arch/arm64/boot/dts/freescale/fsl-ls1012a-frwy.dts
index 8749634c55ee..0246e8c97628 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1012a-frwy.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a-frwy.dts
@@ -20,6 +20,21 @@
 	status = "okay";
 };
 
+&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>;
+	};
+};
+
 &i2c0 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a-qds.dts b/arch/arm64/boot/dts/freescale/fsl-ls1012a-qds.dts
index 2fb1cb1f7d8f..c304fa20c1c9 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1012a-qds.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a-qds.dts
@@ -90,6 +90,21 @@
 	};
 };
 
+&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>;
+	};
+};
+
 &duart0 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts
index 5edb1e137a52..6017e9cfe40a 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts
@@ -38,3 +38,18 @@
 &sata {
 	status = "okay";
 };
+
+&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>;
+	};
+};
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi
index ec6257a5b251..268268c6a149 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi
@@ -350,6 +350,21 @@
 			status = "disabled";
 		};
 
+		qspi: spi@1550000 {
+			compatible = "fsl,ls1021a-qspi", "fsl,ls1012a-qspi";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x0 0x1550000 0x0 0x10000>,
+				<0x0 0x40000000 0x0 0x10000000>;
+			reg-names = "QuadSPI", "QuadSPI-memory";
+			interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>;
+			clock-names = "qspi_en", "qspi";
+			clocks = <&clockgen 4 1>, <&clockgen 4 1>;
+			big-endian;
+			fsl,qspi-has-second-chip;
+			status = "disabled";
+		};
+
 		duart0: serial@21c0500 {
 			compatible = "fsl,ns16550", "ns16550a";
 			reg = <0x00 0x21c0500 0x0 0x100>;
-- 
2.17.1

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



[Index of Archives]     [LARTC]     [Bugtraq]     [Yosemite Forum]     [Photo]

  Powered by Linux