[PATCH v2 2/9] dt-bindings: spi: zynqmp-qspi: Add example dual upper/lower bus

Sean Anderson sean.anderson at linux.dev
Mon Jun 16 15:00:47 PDT 2025


Add an example of the spi-buses property showcasing how to have devices
on both the upper and lower buses.

Signed-off-by: Sean Anderson <sean.anderson at linux.dev>
---

Changes in v2:
- New

 .../bindings/spi/spi-zynqmp-qspi.yaml         | 22 ++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml b/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml
index 02cf1314367b..c6a57fbb9dcf 100644
--- a/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml
@@ -69,7 +69,7 @@ examples:
       #address-cells = <2>;
       #size-cells = <2>;
 
-      qspi: spi at ff0f0000 {
+      qspi: spi-controller at ff0f0000 {
         compatible = "xlnx,zynqmp-qspi-1.0";
         clocks = <&zynqmp_clk 53>, <&zynqmp_clk 82>;
         clock-names = "ref_clk", "pclk";
@@ -77,5 +77,25 @@ examples:
         interrupt-parent = <&gic>;
         reg = <0x0 0xff0f0000 0x0 0x1000>,
               <0x0 0xc0000000 0x0 0x8000000>;
+        num-cs = <3>;
+        cs-gpios = <0>, <0>, <&gpio 5>;
+
+        flash at 0 {
+          reg = <0>;
+          spi-buses = <0>;
+          compatible = "jedec,spi-nor";
+        };
+
+        flash at 1 {
+          reg = <1>;
+          spi-buses = <1>;
+          compatible = "jedec,spi-nor";
+        };
+
+        flash at 2 {
+          reg = <2>;
+          spi-buses = <0>;
+          compatible = "jedec,spi-nor";
+        };
       };
     };
-- 
2.35.1.1320.gc452695387.dirty




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