[PATCH 2/7] dt-bindings: spi: flexspi: convert to json schema

[Dong Aisheng <aisheng.dong@nxp.com>]

Besides the conversion work, also added the missing clock property
in the original binding doc according to the current dts and driver
implementation. Otherwise, make dtbs_check will fail.
Also fixed example according to new jason schema.

Cc: Ashish Kumar <ashish.kumar@nxp.com>
Cc: Yogesh Gaur <yogeshgaur.83@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: linux-spi@vger.kernel.org
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
---
 .../devicetree/bindings/spi/spi-nxp-fspi.txt  | 44 ----------
 .../devicetree/bindings/spi/spi-nxp-fspi.yaml | 87 +++++++++++++++++++
 2 files changed, 87 insertions(+), 44 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt
 create mode 100644 Documentation/devicetree/bindings/spi/spi-nxp-fspi.yaml

diff --git a/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt b/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt
deleted file mode 100644
index 8f34a7c7d8b8..000000000000
--- a/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt
+++ /dev/null
@@ -1,44 +0,0 @@
-* NXP Flex Serial Peripheral Interface (FSPI)
-
-Required properties:
-  - compatible : Should be "nxp,lx2160a-fspi"
-			    "nxp,imx8qxp-fspi"
-			    "nxp,imx8mm-fspi"
-			    "nxp,imx8mp-fspi"
-			    "nxp,imx8dxl-fspi"
-
-  - reg :        First contains the register location and length,
-                 Second contains the memory mapping address and length
-  - reg-names :  Should contain the resource reg names:
-	         - fspi_base: configuration register address space
-                 - fspi_mmap: memory mapped address space
-  - interrupts : Should contain the interrupt for the device
-
-Required SPI slave node properties:
-  - reg :        There are two buses (A and B) with two chip selects each.
-                 This encodes to which bus and CS the flash is connected:
-                 - <0>: Bus A, CS 0
-                 - <1>: Bus A, CS 1
-                 - <2>: Bus B, CS 0
-                 - <3>: Bus B, CS 1
-
-Example showing the usage of two SPI NOR slave devices on bus A:
-
-fspi0: spi@20c0000 {
-	compatible = "nxp,lx2160a-fspi";
-	reg = <0x0 0x20c0000 0x0 0x10000>, <0x0 0x20000000 0x0 0x10000000>;
-	reg-names = "fspi_base", "fspi_mmap";
-	interrupts = <0 25 0x4>; /* Level high type */
-	clocks = <&clockgen 4 3>, <&clockgen 4 3>;
-	clock-names = "fspi_en", "fspi";
-
-	mt35xu512aba0: flash@0 {
-		reg = <0>;
-		....
-	};
-
-	mt35xu512aba1: flash@1 {
-		reg = <1>;
-		....
-	};
-};
diff --git a/Documentation/devicetree/bindings/spi/spi-nxp-fspi.yaml b/Documentation/devicetree/bindings/spi/spi-nxp-fspi.yaml
new file mode 100644
index 000000000000..ca43583947ea
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/spi-nxp-fspi.yaml
@@ -0,0 +1,87 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/spi-nxp-fspi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP Flex Serial Peripheral Interface (FSPI)
+
+maintainers:
+  - Ashish Kumar <ashish.kumar@nxp.com>
+
+allOf:
+  - $ref: "/schemas/spi/spi-controller.yaml#"
+
+properties:
+  compatible:
+    enum:
+      - nxp,lx2160a-fspi
+      - nxp,imx8mm-fspi
+      - nxp,imx8mp-fspi
+      - nxp,imx8qxp-fspi
+      - nxp,imx8dxl-fspi
+
+  reg:
+    items:
+      - description: register location and length
+      - description: memory mapping address and length
+
+  reg-names:
+    items:
+      - const: fspi_base
+      - const: fspi_mmap
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: SPI Bus clock
+      - description: SPI Serial clock
+
+  clock-names:
+    items:
+      - const: fspi_en
+      - const: fspi
+
+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>;
+
+        fspi0: spi@20c0000 {
+            compatible = "nxp,lx2160a-fspi";
+            reg = <0x0 0x20c0000 0x0 0x10000>,
+                  <0x0 0x20000000 0x0 0x10000000>;
+            reg-names = "fspi_base", "fspi_mmap";
+            interrupts = <0 25 0x4>; /* Level high type */
+            clocks = <&clockgen 4 3>, <&clockgen 4 3>;
+            clock-names = "fspi_en", "fspi";
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            mt35xu512aba0: flash@0 {
+                compatible = "jedec,spi-nor";
+                reg = <0>;
+            };
+
+            mt35xu512aba1: flash@1 {
+                compatible = "jedec,spi-nor";
+                reg = <1>;
+            };
+        };
+    };
-- 
2.25.1