[PATCH v2] arm64: dts: ls1088a: Add qspi device node for ls1088a-rdb
Yogesh Gaur
yogeshnarayan.gaur at nxp.com
Tue Jan 30 09:44:22 PST 2018
Add nodes and properties for QSPI controller.
Add support for spansion flash, s25fs512s, as slave device for
QSPI controller.
Added entry of "fsl,ls1088a-qspi" in fsl-quadspi.txt binding file.
Signed-off-by: Suresh Gupta <suresh.gupta at nxp.com>
Signed-off-by: Yogesh Gaur <yogeshnarayan.gaur at nxp.com>
---
Depends on
https://patchwork.ozlabs.org/project/linux-mtd/list/?series=26084
Changes for v2:
- Move property spi-rx-bus-width and spi-tx-bus-width from controller
to connected slave device node.
.../devicetree/bindings/mtd/fsl-quadspi.txt | 1 +
arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts | 23 ++++++++++++++++++++++
arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 12 +++++++++++
3 files changed, 36 insertions(+)
diff --git a/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt b/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt
index 811da0e..956c23c 100644
--- a/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt
+++ b/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt
@@ -7,6 +7,7 @@ Required properties:
or
"fsl,ls2080a-qspi" followed by "fsl,ls1021a-qspi",
"fsl,ls1043a-qspi" followed by "fsl,ls1021a-qspi"
+ "fsl,ls2080a-qspi" followed by "fsl,ls1088a-qspi",
- reg : the first contains the register location and length,
the second contains the memory mapping address and length
- reg-names: Should contain the reg names "QuadSPI" and "QuadSPI-memory"
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
index 0f6fcda..8afe536 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
@@ -94,6 +94,29 @@
};
};
+&qspi {
+ status = "okay";
+ fsl,qspi-has-second-chip;
+ qflash0: s25fs512s at 0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ spi-max-frequency = <20000000>;
+ reg = <0>;
+ spi-rx-bus-width = <4>;
+ spi-tx-bus-width = <4>;
+ };
+
+ qflash1: s25fs512s at 1 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ spi-max-frequency = <20000000>;
+ reg = <1>;
+ spi-rx-bus-width = <4>;
+ spi-tx-bus-width = <4>;
+ };
+
+};
+
&ifc {
ranges = <0 0 0x5 0x30000000 0x00010000
2 0 0x5 0x20000000 0x00010000>;
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
index bd80e9a..b45a522 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
@@ -394,6 +394,18 @@
status = "disabled";
};
+ qspi: quadspi at 20c0000 {
+ 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";
+ };
+
sata: sata at 3200000 {
compatible = "fsl,ls1088a-ahci";
reg = <0x0 0x3200000 0x0 0x10000>,
--
1.9.1
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