dt-bindings: fsl-quadspi: Add the example of two SPI NOR

Improve the bindings example by adding an example of how to represent
two SPI NOR devices.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Han Xu <han.xu@nxp.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>

diff --git a/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt b/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt
index 63d4d62..483e9cf 100644 (file)
--- a/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt
+++ b/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt
@@ -39,3 +39,27 @@ qspi0: quadspi@40044000 {
                ....
        };
 };
+
+Example showing the usage of two SPI NOR devices:
+
+&qspi2 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_qspi2>;
+       status = "okay";
+
+       flash0: n25q256a@0 {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               compatible = "micron,n25q256a", "jedec,spi-nor";
+               spi-max-frequency = <29000000>;
+               reg = <0>;
+       };
+
+       flash1: n25q256a@1 {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               compatible = "micron,n25q256a", "jedec,spi-nor";
+               spi-max-frequency = <29000000>;
+               reg = <1>;
+       };
+};