spi: Convert Freescale QSPI binding to json schema

Convert the Freescale QSPI binding to DT schema format using json-schema.

Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210312054038.3586706-1-kuldeep.singh@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml

@@ -0,0 +1,96 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/fsl,spi-fsl-qspi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale Quad Serial Peripheral Interface (QuadSPI)
+
+maintainers:
+  - Han Xu <han.xu@nxp.com>
+
+allOf:
+  - $ref: "spi-controller.yaml#"
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - fsl,vf610-qspi
+          - fsl,imx6sx-qspi
+          - fsl,imx7d-qspi
+          - fsl,imx6ul-qspi
+          - fsl,ls1021a-qspi
+          - fsl,ls2080a-qspi
+      - items:
+          - enum:
+              - fsl,ls1043a-qspi
+          - const: fsl,ls1021a-qspi
+      - items:
+          - enum:
+              - fsl,imx8mq-qspi
+          - const: fsl,imx7d-qspi
+
+  reg:
+    items:
+      - description: registers
+      - description: memory mapping
+
+  reg-names:
+    items:
+      - const: QuadSPI
+      - const: QuadSPI-memory
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: SoC SPI qspi_en clock
+      - description: SoC SPI qspi clock
+
+  clock-names:
+    items:
+      - const: qspi_en
+      - const: qspi
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - interrupts
+  - clocks
+  - clock-names
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/fsl,qoriq-clockgen.h>
+
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        spi@1550000 {
+            compatible = "fsl,ls1021a-qspi";
+            reg = <0x0 0x1550000 0x0 0x100000>,
+                  <0x0 0x40000000 0x0 0x10000000>;
+            reg-names = "QuadSPI", "QuadSPI-memory";
+            interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>;
+            #address-cells = <1>;
+            #size-cells = <0>;
+            clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL QORIQ_CLK_PLL_DIV(2)>,
+                     <&clockgen QORIQ_CLK_PLATFORM_PLL QORIQ_CLK_PLL_DIV(2)>;
+            clock-names = "qspi_en", "qspi";
+
+            flash@0 {
+                compatible = "jedec,spi-nor";
+                spi-max-frequency = <50000000>;
+                reg = <0>;
+                spi-rx-bus-width = <4>;
+                spi-tx-bus-width = <4>;
+            };
+        };
+    };

MAINTAINERS

@@ -7161,6 +7161,7 @@ FREESCALE QUAD SPI DRIVER
 M:	Han Xu <han.xu@nxp.com>
 L:	linux-spi@vger.kernel.org
 S:	Maintained
+F:	Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml
 F:	drivers/spi/spi-fsl-qspi.c
 
 FREESCALE QUICC ENGINE LIBRARY