Devicetree fixes for 5.3:

Fix several warnings/errors in validation of binding schemas.
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Merge tag 'devicetree-fixes-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull Devicetree fixes from Rob Herring:
 "Fix several warnings/errors in validation of binding schemas"

* tag 'devicetree-fixes-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: pinctrl: stm32: Fix missing 'clocks' property in examples
  dt-bindings: iio: ad7124: Fix dtc warnings in example
  dt-bindings: iio: avia-hx711: Fix avdd-supply typo in example
  dt-bindings: pinctrl: aspeed: Fix AST2500 example errors
  dt-bindings: pinctrl: aspeed: Fix 'compatible' schema errors
  dt-bindings: riscv: Limit cpus schema to only check RiscV 'cpu' nodes
  dt-bindings: Ensure child nodes are of type 'object'

Documentation/devicetree/bindings/bus/allwinner,sun8i-a23-rsb.yaml

@@ -42,6 +42,7 @@ properties:
 
 patternProperties:
   "^.*@[0-9a-fA-F]+$":
+    type: object
     properties:
       reg:
         maxItems: 1

Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml

@@ -114,42 +114,47 @@ patternProperties:
 
 examples:
   - |
-    adc@0 {
+    spi {
-      compatible = "adi,ad7124-4";
-      reg = <0>;
-      spi-max-frequency = <5000000>;
-      interrupts = <25 2>;
-      interrupt-parent = <&gpio>;
-      refin1-supply = <&adc_vref>;
-      clocks = <&ad7124_mclk>;
-      clock-names = "mclk";
-
       #address-cells = <1>;
       #size-cells = <0>;
 
-      channel@0 {
+      adc@0 {
+        compatible = "adi,ad7124-4";
         reg = <0>;
-        diff-channels = <0 1>;
+        spi-max-frequency = <5000000>;
-        adi,reference-select = <0>;
+        interrupts = <25 2>;
-        adi,buffered-positive;
+        interrupt-parent = <&gpio>;
-      };
+        refin1-supply = <&adc_vref>;
+        clocks = <&ad7124_mclk>;
+        clock-names = "mclk";
 
-      channel@1 {
+        #address-cells = <1>;
-        reg = <1>;
+        #size-cells = <0>;
-        bipolar;
-        diff-channels = <2 3>;
-        adi,reference-select = <0>;
-        adi,buffered-positive;
-        adi,buffered-negative;
-      };
 
-      channel@2 {
+        channel@0 {
-        reg = <2>;
+          reg = <0>;
-        diff-channels = <4 5>;
+          diff-channels = <0 1>;
-      };
+          adi,reference-select = <0>;
+          adi,buffered-positive;
+        };
 
-      channel@3 {
+        channel@1 {
-        reg = <3>;
+          reg = <1>;
-        diff-channels = <6 7>;
+          bipolar;
+          diff-channels = <2 3>;
+          adi,reference-select = <0>;
+          adi,buffered-positive;
+          adi,buffered-negative;
+        };
+
+        channel@2 {
+          reg = <2>;
+          diff-channels = <4 5>;
+        };
+
+        channel@3 {
+          reg = <3>;
+          diff-channels = <6 7>;
+        };
       };
     };

Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml

@@ -61,6 +61,6 @@ examples:
         compatible = "avia,hx711";
         sck-gpios = <&gpio3 10 GPIO_ACTIVE_HIGH>;
         dout-gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
-        avdd-suppy = <&avdd>;
+        avdd-supply = <&avdd>;
         clock-frequency = <100000>;
     };

Documentation/devicetree/bindings/mtd/allwinner,sun4i-a10-nand.yaml

@@ -55,6 +55,7 @@ patternProperties:
   "^pinctrl-[0-9]+$": true
 
   "^nand@[a-f0-9]+$":
+    type: object
     properties:
       reg:
         minimum: 0

Documentation/devicetree/bindings/mtd/nand-controller.yaml

@@ -40,6 +40,7 @@ properties:
 
 patternProperties:
   "^nand@[a-f0-9]$":
+    type: object
     properties:
       reg:
         description:

Documentation/devicetree/bindings/pinctrl/aspeed,ast2400-pinctrl.yaml

@@ -22,7 +22,9 @@ description: |+
 
 properties:
   compatible:
-    enum: [ aspeed,ast2400-pinctrl, aspeed,g4-pinctrl ]
+    enum:
+      - aspeed,ast2400-pinctrl
+      - aspeed,g4-pinctrl
 
 patternProperties:
   '^.*$':

Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.yaml

@@ -22,7 +22,9 @@ description: |+
 
 properties:
   compatible:
-    enum: [ aspeed,ast2500-pinctrl, aspeed,g5-pinctrl ]
+    enum:
+      - aspeed,ast2500-pinctrl
+      - aspeed,g5-pinctrl
   aspeed,external-nodes:
     minItems: 2
     maxItems: 2
@@ -74,9 +76,6 @@ required:
 
 examples:
   - |
-    compatible = "simple-bus";
-    ranges;
-
     apb {
         compatible = "simple-bus";
         #address-cells = <1>;
@@ -89,7 +88,7 @@ examples:
 
             pinctrl: pinctrl {
                 compatible = "aspeed,g5-pinctrl";
-                aspeed,external-nodes = <&gfx &lhc>;
+                aspeed,external-nodes = <&gfx>, <&lhc>;
 
                 pinctrl_i2c3_default: i2c3_default {
                     function = "I2C3";

Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml

@@ -55,6 +55,7 @@ properties:
 
 patternProperties:
   '^gpio@[0-9a-f]*$':
+    type: object
     properties:
       gpio-controller: true
       '#gpio-cells':
@@ -113,8 +114,10 @@ patternProperties:
       - st,bank-name
 
   '-[0-9]*$':
+    type: object
     patternProperties:
       '^pins':
+        type: object
         description: |
           A pinctrl node should contain at least one subnode representing the
           pinctrl group available on the machine. Each subnode will list the
@@ -194,6 +197,7 @@ required:
 examples:
   - |
     #include <dt-bindings/pinctrl/stm32-pinfunc.h>
+    #include <dt-bindings/mfd/stm32f4-rcc.h>
     //Example 1
       pinctrl@40020000 {
               #address-cells = <1>;
@@ -207,6 +211,7 @@ examples:
                       #gpio-cells = <2>;
                       reg = <0x0 0x400>;
                       resets = <&reset_ahb1 0>;
+                      clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOA)>;
                       st,bank-name = "GPIOA";
               };
        };
@@ -224,6 +229,7 @@ examples:
                       #gpio-cells = <2>;
                       reg = <0x1000 0x400>;
                       resets = <&reset_ahb1 0>;
+                      clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOB)>;
                       st,bank-name = "GPIOB";
                       gpio-ranges = <&pinctrl 0 0 16>;
               };
@@ -233,6 +239,7 @@ examples:
                       #gpio-cells = <2>;
                       reg = <0x2000 0x400>;
                       resets = <&reset_ahb1 0>;
+                      clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOC)>;
                       st,bank-name = "GPIOC";
                       ngpios = <5>;
                       gpio-ranges = <&pinctrl 0 16 3>,

Documentation/devicetree/bindings/riscv/cpus.yaml

@@ -10,97 +10,76 @@ maintainers:
   - Paul Walmsley <paul.walmsley@sifive.com>
   - Palmer Dabbelt <palmer@sifive.com>
 
-allOf:
-  - $ref: /schemas/cpus.yaml#
-
 properties:
-  $nodename:
+  compatible:
-    const: cpus
+    items:
-    description: Container of cpu nodes
+      - enum:
+          - sifive,rocket0
+          - sifive,e5
+          - sifive,e51
+          - sifive,u54-mc
+          - sifive,u54
+          - sifive,u5
+      - const: riscv
+    description:
+      Identifies that the hart uses the RISC-V instruction set
+      and identifies the type of the hart.
 
-  '#address-cells':
+  mmu-type:
-    const: 1
+    allOf:
-    description: |
+      - $ref: "/schemas/types.yaml#/definitions/string"
-      A single unsigned 32-bit integer uniquely identifies each RISC-V
+      - enum:
-      hart in a system.  (See the "reg" node under the "cpu" node,
+          - riscv,sv32
-      below).
+          - riscv,sv39
+          - riscv,sv48
+    description:
+      Identifies the MMU address translation mode used on this
+      hart.  These values originate from the RISC-V Privileged
+      Specification document, available from
+      https://riscv.org/specifications/
 
-  '#size-cells':
+  riscv,isa:
-    const: 0
+    allOf:
+      - $ref: "/schemas/types.yaml#/definitions/string"
+      - enum:
+          - rv64imac
+          - rv64imafdc
+    description:
+      Identifies the specific RISC-V instruction set architecture
+      supported by the hart.  These are documented in the RISC-V
+      User-Level ISA document, available from
+      https://riscv.org/specifications/
+
+  timebase-frequency:
+    type: integer
+    minimum: 1
+    description:
+      Specifies the clock frequency of the system timer in Hz.
+      This value is common to all harts on a single system image.
+
+  interrupt-controller:
+    type: object
+    description: Describes the CPU's local interrupt controller
 
-patternProperties:
-  '^cpu@[0-9a-f]+$':
     properties:
+      '#interrupt-cells':
+        const: 1
+
       compatible:
-        type: array
+        const: riscv,cpu-intc
-        items:
-          - enum:
-              - sifive,rocket0
-              - sifive,e5
-              - sifive,e51
-              - sifive,u54-mc
-              - sifive,u54
-              - sifive,u5
-          - const: riscv
-        description:
-          Identifies that the hart uses the RISC-V instruction set
-          and identifies the type of the hart.
 
-      mmu-type:
+      interrupt-controller: true
-        allOf:
-          - $ref: "/schemas/types.yaml#/definitions/string"
-          - enum:
-              - riscv,sv32
-              - riscv,sv39
-              - riscv,sv48
-        description:
-          Identifies the MMU address translation mode used on this
-          hart.  These values originate from the RISC-V Privileged
-          Specification document, available from
-          https://riscv.org/specifications/
-
-      riscv,isa:
-        allOf:
-          - $ref: "/schemas/types.yaml#/definitions/string"
-          - enum:
-              - rv64imac
-              - rv64imafdc
-        description:
-          Identifies the specific RISC-V instruction set architecture
-          supported by the hart.  These are documented in the RISC-V
-          User-Level ISA document, available from
-          https://riscv.org/specifications/
-
-      timebase-frequency:
-        type: integer
-        minimum: 1
-        description:
-          Specifies the clock frequency of the system timer in Hz.
-          This value is common to all harts on a single system image.
-
-      interrupt-controller:
-        type: object
-        description: Describes the CPU's local interrupt controller
-
-        properties:
-          '#interrupt-cells':
-            const: 1
-
-          compatible:
-            const: riscv,cpu-intc
-
-          interrupt-controller: true
-
-        required:
-          - '#interrupt-cells'
-          - compatible
-          - interrupt-controller
 
     required:
-      - riscv,isa
+      - '#interrupt-cells'
-      - timebase-frequency
+      - compatible
       - interrupt-controller
 
+required:
+  - riscv,isa
+  - timebase-frequency
+  - interrupt-controller
+
 examples:
   - |
     // Example 1: SiFive Freedom U540G Development Kit

Documentation/devicetree/bindings/spi/allwinner,sun4i-a10-spi.yaml

@@ -50,6 +50,7 @@ properties:
 
 patternProperties:
   "^.*@[0-9a-f]+":
+    type: object
     properties:
       reg:
         items:

Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml

@@ -55,6 +55,7 @@ properties:
 
 patternProperties:
   "^.*@[0-9a-f]+":
+    type: object
     properties:
       reg:
         items: