Merge tag 'devicetree-fixes-for-5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull Devicetree fixes from Rob Herring:

 - Another round of whack-a-mole removing 'allOf', redundant cases of
   'maxItems' and incorrect 'reg' sizes

 - Fix support for yaml.h in non-standard paths

* tag 'devicetree-fixes-for-5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: Remove redundant 'maxItems'
  dt-bindings: Fix more incorrect 'reg' property sizes in examples
  dt-bindings: phy: qcom: Fix missing 'ranges' and example addresses
  dt-bindings: Remove more cases of 'allOf' containing a '$ref'
  scripts/dtc: use pkg-config to include <yaml.h> in non-standard path

Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml

@@ -85,9 +85,8 @@ properties:
       CPU power good signal from external PMIC to PMC is enabled.
 
   nvidia,suspend-mode:
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
-      - enum: [0, 1, 2]
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [0, 1, 2]
     description:
       The suspend mode that the platform should use.
       Mode 0 is for LP0, CPU + Core voltage off and DRAM in self-refresh

Documentation/devicetree/bindings/ata/sata_highbank.yaml

@@ -40,28 +40,25 @@ properties:
 
   calxeda,led-order:
     description: Maps port numbers to offsets within the SGPIO bitstream.
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32-array
-      - minItems: 1
-        maxItems: 8
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    minItems: 1
+    maxItems: 8
 
   calxeda,port-phys:
     description: |
       phandle-combophy and lane assignment, which maps each SATA port to a
       combophy and a lane within that combophy
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/phandle-array
-      - minItems: 1
-        maxItems: 8
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    minItems: 1
+    maxItems: 8
 
   calxeda,tx-atten:
     description: |
       Contains TX attenuation override codes, one per port.
       The upper 24 bits of each entry are always 0 and thus ignored.
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32-array
-      - minItems: 1
-        maxItems: 8
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    minItems: 1
+    maxItems: 8
 
   calxeda,sgpio-gpio:
     description: |

Documentation/devicetree/bindings/bus/baikal,bt1-apb.yaml

@@ -71,8 +71,8 @@ examples:
 
     bus@1f059000 {
       compatible = "baikal,bt1-apb", "simple-bus";
-      reg = <0 0x1f059000 0 0x1000>,
-            <0 0x1d000000 0 0x2040000>;
+      reg = <0x1f059000 0x1000>,
+            <0x1d000000 0x2040000>;
       reg-names = "ehb", "nodev";
       #address-cells = <1>;
       #size-cells = <1>;

Documentation/devicetree/bindings/bus/baikal,bt1-axi.yaml

@@ -85,8 +85,8 @@ examples:
 
     bus@1f05a000 {
       compatible = "baikal,bt1-axi", "simple-bus";
-      reg = <0 0x1f05a000 0 0x1000>,
-            <0 0x1f04d110 0 0x8>;
+      reg = <0x1f05a000 0x1000>,
+            <0x1f04d110 0x8>;
       reg-names = "qos", "ehb";
       #address-cells = <1>;
       #size-cells = <1>;

Documentation/devicetree/bindings/clock/imx6q-clock.yaml

@@ -23,7 +23,6 @@ properties:
     items:
       - description: CCM interrupt request 1
       - description: CCM interrupt request 2
-    maxItems: 2
 
   '#clock-cells':
     const: 1

Documentation/devicetree/bindings/clock/imx6sl-clock.yaml

@@ -23,7 +23,6 @@ properties:
     items:
       - description: CCM interrupt request 1
       - description: CCM interrupt request 2
-    maxItems: 2
 
   '#clock-cells':
     const: 1

Documentation/devicetree/bindings/clock/imx6sll-clock.yaml

@@ -23,7 +23,6 @@ properties:
     items:
       - description: CCM interrupt request 1
       - description: CCM interrupt request 2
-    maxItems: 2
 
   '#clock-cells':
     const: 1

Documentation/devicetree/bindings/clock/imx6sx-clock.yaml

@@ -23,7 +23,6 @@ properties:
     items:
       - description: CCM interrupt request 1
       - description: CCM interrupt request 2
-    maxItems: 2
 
   '#clock-cells':
     const: 1

Documentation/devicetree/bindings/clock/imx6ul-clock.yaml

@@ -23,7 +23,6 @@ properties:
     items:
       - description: CCM interrupt request 1
       - description: CCM interrupt request 2
-    maxItems: 2
 
   '#clock-cells':
     const: 1

Documentation/devicetree/bindings/display/rockchip/rockchip-vop.yaml

@@ -106,8 +106,8 @@ examples:
     #include <dt-bindings/power/rk3288-power.h>
     vopb: vopb@ff930000 {
       compatible = "rockchip,rk3288-vop";
-      reg = <0x0 0xff930000 0x0 0x19c>,
-            <0x0 0xff931000 0x0 0x1000>;
+      reg = <0xff930000 0x19c>,
+            <0xff931000 0x1000>;
       interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
       clocks = <&cru ACLK_VOP0>,
                <&cru DCLK_VOP0>,

Documentation/devicetree/bindings/gpio/snps,dw-apb-gpio.yaml

@@ -63,11 +63,10 @@ patternProperties:
 
       snps,nr-gpios:
         description: The number of GPIO pins exported by the port.
+        $ref: /schemas/types.yaml#/definitions/uint32
         default: 32
-        allOf:
-          - $ref: /schemas/types.yaml#/definitions/uint32
-          - minimum: 1
-            maximum: 32
+        minimum: 1
+        maximum: 32
 
       interrupts:
         description: |

Documentation/devicetree/bindings/iio/imu/adi,adis16475.yaml

@@ -67,8 +67,7 @@ properties:
       1 - direct_sync
       2 - scaled_sync
       3 - pulse_sync
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
+    $ref: /schemas/types.yaml#/definitions/uint32
     minimum: 0
     maximum: 3
 

Documentation/devicetree/bindings/iio/light/amstaos,tsl2563.yaml

@@ -25,9 +25,8 @@ properties:
 
   amstaos,cover-comp-gain:
     description: Multiplier for gain compensation
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
-      - enum: [1, 16]
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [1, 16]
 
 required:
   - compatible

Documentation/devicetree/bindings/interrupt-controller/loongson,pch-msi.yaml

@@ -25,19 +25,17 @@ properties:
     description:
       u32 value of the base of parent HyperTransport vector allocated
       to PCH MSI.
-    allOf:
-      - $ref: "/schemas/types.yaml#/definitions/uint32"
-      - minimum: 0
-        maximum: 255
+    $ref: "/schemas/types.yaml#/definitions/uint32"
+    minimum: 0
+    maximum: 255
 
   loongson,msi-num-vecs:
     description:
       u32 value of the number of parent HyperTransport vectors allocated
       to PCH MSI.
-    allOf:
-      - $ref: "/schemas/types.yaml#/definitions/uint32"
-      - minimum: 1
-        maximum: 256
+    $ref: "/schemas/types.yaml#/definitions/uint32"
+    minimum: 1
+    maximum: 256
 
   msi-controller: true
 

Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml

@@ -25,10 +25,9 @@ properties:
     description:
       u32 value of the base of parent HyperTransport vector allocated
       to PCH PIC.
-    allOf:
-      - $ref: "/schemas/types.yaml#/definitions/uint32"
-      - minimum: 0
-        maximum: 192
+    $ref: "/schemas/types.yaml#/definitions/uint32"
+    minimum: 0
+    maximum: 192
 
   interrupt-controller: true
 

Documentation/devicetree/bindings/ipmi/ipmi-smic.yaml

@@ -31,9 +31,8 @@ properties:
 
   reg-size:
     description: The access width of the register in bytes. Defaults to 1.
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
-      - enum: [1, 2, 4, 8]
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [1, 2, 4, 8]
 
   reg-spacing:
     $ref: /schemas/types.yaml#/definitions/uint32
@@ -43,9 +42,8 @@ properties:
     description: |
       The amount of bits to shift the register content to the right to get
       the data into bit zero.
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
-      - maximum: 56
+    $ref: /schemas/types.yaml#/definitions/uint32
+    maximum: 56
 
 required:
   - compatible

Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml

@@ -57,8 +57,7 @@ properties:
     description: |
       mA; per-string current limit.
       This property is supported only for WLED3.
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
+    $ref: /schemas/types.yaml#/definitions/uint32
     default: 20
     minimum: 0
     maximum: 25
@@ -74,38 +73,33 @@ properties:
   qcom,current-boost-limit:
     description: |
       mA; boost current limit.
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
+    $ref: /schemas/types.yaml#/definitions/uint32
 
   qcom,switching-freq:
     description: |
       kHz; switching frequency.
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
-      - enum: [ 600, 640, 685, 738, 800, 872, 960, 1066, 1200, 1371, 1600, 1920, 2400, 3200, 4800, 9600 ]
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 600, 640, 685, 738, 800, 872, 960, 1066, 1200, 1371, 1600, 1920, 2400, 3200, 4800, 9600 ]
 
   qcom,ovp:
     description: |
       V; Over-voltage protection limit.
       This property is supported only for WLED3.
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
-      - enum: [ 27, 29, 32, 35 ]
-      - default: 29
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 27, 29, 32, 35 ]
+    default: 29
 
   qcom,ovp-millivolt:
     description: |
       Over-voltage protection limit. This property is for WLED4 only.
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
-      - enum: [ 18100, 19600, 29600, 31100 ]
-      - default: 29600
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 18100, 19600, 29600, 31100 ]
+    default: 29600
 
   qcom,num-strings:
     description: |
       number of led strings attached.
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
+    $ref: /schemas/types.yaml#/definitions/uint32
 
   qcom,enabled-strings:
     description: |
@@ -113,8 +107,7 @@ properties:
       string of leds are operated individually. Specify the
       list of strings used by the device. Any combination of
       led strings can be used.
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32-array
+    $ref: /schemas/types.yaml#/definitions/uint32-array
     minItems: 1
     maxItems: 4
 
@@ -150,10 +143,9 @@ properties:
            0 - Modulator A
            1 - Modulator B
       This property is applicable only to WLED5 peripheral.
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
-      - enum: [ 0, 1 ]
-      - default: 0
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 0, 1 ]
+    default: 0
 
   qcom,cabc-sel:
     description: |
@@ -164,9 +156,8 @@ properties:
            2 - CABC 2
            3 - External signal (e.g. LPG) is used for dimming
       This property is applicable only to WLED5 peripheral.
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
-      - enum: [ 0, 1, 2, 3 ]
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 0, 1, 2, 3 ]
 
 allOf:
   - if:

Documentation/devicetree/bindings/leds/leds-aw2013.yaml

@@ -32,8 +32,7 @@ properties:
 patternProperties:
   "^led@[0-2]$":
     type: object
-    allOf:
-      - $ref: common.yaml#
+    $ref: common.yaml#
 
     properties:
       reg:

Documentation/devicetree/bindings/leds/leds-sgm3140.yaml

@@ -33,8 +33,7 @@ properties:
 
   led:
     type: object
-    allOf:
-      - $ref: common.yaml#
+    $ref: common.yaml#
 
 required:
   - compatible

Documentation/devicetree/bindings/mailbox/sprd-mailbox.yaml

@@ -51,7 +51,7 @@ examples:
     #include <dt-bindings/interrupt-controller/arm-gic.h>
     mailbox: mailbox@400a0000 {
       compatible = "sprd,sc9860-mailbox";
-      reg = <0 0x400a0000 0 0x8000>, <0 0x400a8000 0 0x8000>;
+      reg = <0x400a0000 0x8000>, <0x400a8000 0x8000>;
       #mbox-cells = <1>;
       clock-names = "enable";
       clocks = <&aon_gate 53>;

Documentation/devicetree/bindings/media/i2c/ov8856.yaml

@@ -79,8 +79,7 @@ properties:
               - const: 4
 
           link-frequencies:
-            allOf:
-              - $ref: /schemas/types.yaml#/definitions/uint64-array
+            $ref: /schemas/types.yaml#/definitions/uint64-array
             description:
               Allowed data bus frequencies. 360000000, 180000000 Hz or both
               are supported by the driver.

Documentation/devicetree/bindings/media/rockchip,vdec.yaml

@@ -61,7 +61,7 @@ examples:
 
     vdec: video-codec@ff660000 {
         compatible = "rockchip,rk3399-vdec";
-        reg = <0x0 0xff660000 0x0 0x400>;
+        reg = <0xff660000 0x400>;
         interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH 0>;
         clocks = <&cru ACLK_VDU>, <&cru HCLK_VDU>,
                  <&cru SCLK_VDU_CA>, <&cru SCLK_VDU_CORE>;

Documentation/devicetree/bindings/media/rockchip-vpu.yaml

@@ -66,7 +66,7 @@ examples:
 
         vpu: video-codec@ff9a0000 {
                 compatible = "rockchip,rk3288-vpu";
-                reg = <0x0 0xff9a0000 0x0 0x800>;
+                reg = <0xff9a0000 0x800>;
                 interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
                              <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
                 interrupt-names = "vepu", "vdpu";

Documentation/devicetree/bindings/memory-controllers/ingenic,nemc.yaml

@@ -45,9 +45,8 @@ patternProperties:
         maxItems: 255
 
       ingenic,nemc-bus-width:
-        allOf:
-          - $ref: /schemas/types.yaml#/definitions/uint32
-          - enum: [8, 16]
+        $ref: /schemas/types.yaml#/definitions/uint32
+        enum: [8, 16]
         description: Specifies the bus width in bits.
 
       ingenic,nemc-tAS:

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

@@ -53,7 +53,7 @@ examples:
   - |
     nfc: nand-controller@ff100000 {
         compatible = "xlnx,zynqmp-nand-controller", "arasan,nfc-v3p10";
-        reg = <0x0 0xff100000 0x0 0x1000>;
+        reg = <0xff100000 0x1000>;
         clock-names = "controller", "bus";
         clocks = <&clk200>, <&clk100>;
         interrupt-parent = <&gic>;

Documentation/devicetree/bindings/net/ti,k3-am654-cpsw-nuss.yaml

@@ -145,8 +145,7 @@ patternProperties:
 
   "^cpts@[0-9a-f]+":
     type: object
-    allOf:
-      - $ref: "ti,k3-am654-cpts.yaml#"
+    $ref: "ti,k3-am654-cpts.yaml#"
     description:
       CPSW Common Platform Time Sync (CPTS) module.
 

Documentation/devicetree/bindings/net/ti,k3-am654-cpts.yaml

@@ -74,15 +74,13 @@ properties:
       - const: cpts
 
   ti,cpts-ext-ts-inputs:
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
+    $ref: /schemas/types.yaml#/definitions/uint32
     maximum: 8
     description:
       Number of hardware timestamp push inputs (HWx_TS_PUSH)
 
   ti,cpts-periodic-outputs:
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
+    $ref: /schemas/types.yaml#/definitions/uint32
     maximum: 8
     description:
       Number of timestamp Generator function outputs (TS_GENFx)
@@ -123,7 +121,7 @@ examples:
 
     cpts@310d0000 {
          compatible = "ti,am65-cpts";
-         reg = <0x0 0x310d0000 0x0 0x400>;
+         reg = <0x310d0000 0x400>;
          reg-names = "cpts";
          clocks = <&main_cpts_mux>;
          clock-names = "cpts";

Documentation/devicetree/bindings/pci/cdns-pcie-ep.yaml

@@ -15,8 +15,7 @@ allOf:
 properties:
   cdns,max-outbound-regions:
     description: maximum number of outbound regions
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
+    $ref: /schemas/types.yaml#/definitions/uint32
     minimum: 1
     maximum: 32
     default: 32

Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml

@@ -16,8 +16,7 @@ allOf:
 properties:
   cdns,max-outbound-regions:
     description: maximum number of outbound regions
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
+    $ref: /schemas/types.yaml#/definitions/uint32
     minimum: 1
     maximum: 32
     default: 32

Documentation/devicetree/bindings/phy/calxeda-combophy.yaml

@@ -29,9 +29,8 @@ properties:
 
   phydev:
     description: device ID for programming the ComboPHY.
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
-      - maximum: 31
+    $ref: /schemas/types.yaml#/definitions/uint32
+    maximum: 31
 
 required:
   - compatible

Documentation/devicetree/bindings/phy/qcom,qmp-phy.yaml

@@ -44,6 +44,8 @@ properties:
   "#size-cells":
     enum: [ 1, 2 ]
 
+  ranges: true
+
   clocks:
     minItems: 1
     maxItems: 4
@@ -87,6 +89,7 @@ required:
   - "#clock-cells"
   - "#address-cells"
   - "#size-cells"
+  - ranges
   - clocks
   - clock-names
   - resets
@@ -281,10 +284,11 @@ examples:
     #include <dt-bindings/clock/qcom,gcc-sdm845.h>
     usb_2_qmpphy: phy-wrapper@88eb000 {
         compatible = "qcom,sdm845-qmp-usb3-uni-phy";
-        reg = <0 0x088eb000 0 0x18c>;
+        reg = <0x088eb000 0x18c>;
         #clock-cells = <1>;
-        #address-cells = <2>;
-        #size-cells = <2>;
+        #address-cells = <1>;
+        #size-cells = <1>;
+        ranges = <0x0 0x088eb000 0x2000>;
 
         clocks = <&gcc GCC_USB3_SEC_PHY_AUX_CLK >,
                  <&gcc GCC_USB_PHY_CFG_AHB2PHY_CLK>,
@@ -299,11 +303,11 @@ examples:
         vdda-phy-supply = <&vdda_usb2_ss_1p2>;
         vdda-pll-supply = <&vdda_usb2_ss_core>;
 
-        usb_2_ssphy: phy@88eb200 {
-                reg = <0 0x088eb200 0 0x128>,
-                      <0 0x088eb400 0 0x1fc>,
-                      <0 0x088eb800 0 0x218>,
-                      <0 0x088eb600 0 0x70>;
+        usb_2_ssphy: phy@200 {
+                reg = <0x200 0x128>,
+                      <0x400 0x1fc>,
+                      <0x800 0x218>,
+                      <0x600 0x70>;
                 #clock-cells = <0>;
                 #phy-cells = <0>;
                 clocks = <&gcc GCC_USB3_SEC_PHY_PIPE_CLK>;

Documentation/devicetree/bindings/phy/qcom,qmp-usb3-dp-phy.yaml

@@ -34,6 +34,8 @@ properties:
   "#size-cells":
     enum: [ 1, 2 ]
 
+  ranges: true
+
   clocks:
     items:
       - description: Phy aux clock.
@@ -86,6 +88,7 @@ required:
   - "#clock-cells"
   - "#address-cells"
   - "#size-cells"
+  - ranges
   - clocks
   - clock-names
   - resets
@@ -100,12 +103,13 @@ examples:
     #include <dt-bindings/clock/qcom,gcc-sdm845.h>
     usb_1_qmpphy: phy-wrapper@88e9000 {
         compatible = "qcom,sdm845-qmp-usb3-phy";
-        reg = <0 0x088e9000 0 0x18c>,
-              <0 0x088e8000 0 0x10>;
+        reg = <0x088e9000 0x18c>,
+              <0x088e8000 0x10>;
         reg-names = "reg-base", "dp_com";
         #clock-cells = <1>;
-        #address-cells = <2>;
-        #size-cells = <2>;
+        #address-cells = <1>;
+        #size-cells = <1>;
+        ranges = <0x0 0x088e9000 0x1000>;
 
         clocks = <&gcc GCC_USB3_PRIM_PHY_AUX_CLK>,
                  <&gcc GCC_USB_PHY_CFG_AHB2PHY_CLK>,
@@ -120,17 +124,17 @@ examples:
         vdda-phy-supply = <&vdda_usb2_ss_1p2>;
         vdda-pll-supply = <&vdda_usb2_ss_core>;
 
-        usb_1_ssphy: phy@88e9200 {
-                reg = <0 0x088e9200 0 0x128>,
-                      <0 0x088e9400 0 0x200>,
-                      <0 0x088e9c00 0 0x218>,
-                      <0 0x088e9600 0 0x128>,
-                      <0 0x088e9800 0 0x200>,
-                      <0 0x088e9a00 0 0x100>;
-                #clock-cells = <0>;
-                #phy-cells = <0>;
-                clocks = <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>;
-                clock-names = "pipe0";
-                clock-output-names = "usb3_phy_pipe_clk_src";
-            };
+        phy@200 {
+            reg = <0x200 0x128>,
+                  <0x400 0x200>,
+                  <0xc00 0x218>,
+                  <0x600 0x128>,
+                  <0x800 0x200>,
+                  <0xa00 0x100>;
+            #clock-cells = <0>;
+            #phy-cells = <0>;
+            clocks = <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>;
+            clock-names = "pipe0";
+            clock-output-names = "usb3_phy_pipe_clk_src";
         };
+    };

Documentation/devicetree/bindings/phy/qcom,usb-snps-femto-v2.yaml

@@ -65,7 +65,7 @@ examples:
     #include <dt-bindings/clock/qcom,gcc-sm8150.h>
     phy@88e2000 {
         compatible = "qcom,sm8150-usb-hs-phy";
-        reg = <0 0x088e2000 0 0x400>;
+        reg = <0x088e2000 0x400>;
         #phy-cells = <0>;
 
         clocks = <&rpmhcc RPMH_CXO_CLK>;

Documentation/devicetree/bindings/phy/renesas,usb3-phy.yaml

@@ -52,9 +52,8 @@ properties:
     description: |
       Enable/disable spread spectrum clock (ssc). 0 or the property doesn't
       exist means disabling the ssc. The actual value will be -<value> ppm.
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
-      - enum: [ 0, 4003, 4492, 4980 ]
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 0, 4003, 4492, 4980 ]
 
 required:
   - compatible

Documentation/devicetree/bindings/power/supply/cw2015_battery.yaml

@@ -27,11 +27,9 @@ properties:
       of this binary blob is kept secret by CellWise. The only way to obtain
       it is to mail two batteries to a test facility of CellWise and receive
       back a test report with the binary blob.
-    allOf:
-      - $ref: /schemas/types.yaml#definitions/uint8-array
-    items:
-      - minItems: 64
-        maxItems: 64
+    $ref: /schemas/types.yaml#definitions/uint8-array
+    minItems: 64
+    maxItems: 64
 
   cellwise,monitor-interval-ms:
     description:
@@ -41,10 +39,9 @@ properties:
   power-supplies:
     description:
       Specifies supplies used for charging the battery connected to this gauge
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/phandle-array
-      - minItems: 1
-        maxItems: 8 # Should be enough
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    minItems: 1
+    maxItems: 8 # Should be enough
 
   monitored-battery:
     description:

Documentation/devicetree/bindings/power/supply/sbs,sbs-battery.yaml

@@ -32,16 +32,14 @@ properties:
     description:
       The number of times to retry I2C transactions on I2C IO failure.
     default: 0
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
+    $ref: /schemas/types.yaml#/definitions/uint32
 
   sbs,poll-retry-count:
     description:
       The number of times to try looking for new status after an external
       change notification.
     default: 0
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
+    $ref: /schemas/types.yaml#/definitions/uint32
 
   sbs,battery-detect-gpios:
     description:

Documentation/devicetree/bindings/pwm/imx-pwm.yaml

@@ -30,13 +30,11 @@ properties:
     items:
       - description: SoC PWM ipg clock
       - description: SoC PWM per clock
-    maxItems: 2
 
   clock-names:
     items:
       - const: ipg
       - const: per
-    maxItems: 2
 
   interrupts:
     maxItems: 1

Documentation/devicetree/bindings/regulator/maxim,max77826.yaml

@@ -21,8 +21,7 @@ properties:
 
   regulators:
     type: object
-    allOf:
-      - $ref: regulator.yaml#
+    $ref: regulator.yaml#
     description: |
       list of regulators provided by this controller, must be named
       after their hardware counterparts LDO[1-15], BUCK and BUCKBOOST
@@ -30,13 +29,11 @@ properties:
     patternProperties:
       "^LDO([1-9]|1[0-5])$":
         type: object
-        allOf:
-          - $ref: regulator.yaml#
+        $ref: regulator.yaml#
 
       "^BUCK|BUCKBOOST$":
         type: object
-        allOf:
-          - $ref: regulator.yaml#
+        $ref: regulator.yaml#
 
     additionalProperties: false
 

Documentation/devicetree/bindings/regulator/rohm,bd71847-regulator.yaml

@@ -29,8 +29,7 @@ description: |
 patternProperties:
   "^LDO[1-6]$":
     type: object
-    allOf:
-      - $ref: regulator.yaml#
+    $ref: regulator.yaml#
     description:
       Properties for single LDO regulator.
 
@@ -44,8 +43,7 @@ patternProperties:
 
   "^BUCK[1-6]$":
     type: object
-    allOf:
-      - $ref: regulator.yaml#
+    $ref: regulator.yaml#
     description:
       Properties for single BUCK regulator.
 
@@ -56,28 +54,25 @@ patternProperties:
           should be "buck1", ..., "buck6"
 
       rohm,dvs-run-voltage:
-        allOf:
-          - $ref: "/schemas/types.yaml#/definitions/uint32"
-          - minimum: 0
-            maximum: 1300000
+        $ref: "/schemas/types.yaml#/definitions/uint32"
+        minimum: 0
+        maximum: 1300000
         description:
           PMIC default "RUN" state voltage in uV. See below table for
           bucks which support this. 0 means disabled.
 
       rohm,dvs-idle-voltage:
-        allOf:
-          - $ref: "/schemas/types.yaml#/definitions/uint32"
-          - minimum: 0
-            maximum: 1300000
+        $ref: "/schemas/types.yaml#/definitions/uint32"
+        minimum: 0
+        maximum: 1300000
         description:
           PMIC default "IDLE" state voltage in uV. See below table for
           bucks which support this. 0 means disabled.
 
       rohm,dvs-suspend-voltage:
-        allOf:
-          - $ref: "/schemas/types.yaml#/definitions/uint32"
-          - minimum: 0
-            maximum: 1300000
+        $ref: "/schemas/types.yaml#/definitions/uint32"
+        minimum: 0
+        maximum: 1300000
         description:
           PMIC default "SUSPEND" state voltage in uV. See below table for
           bucks which support this. 0 means disabled.

Documentation/devicetree/bindings/rng/arm-cctrng.yaml

@@ -28,10 +28,8 @@ properties:
     description:
       Arm TrustZone CryptoCell TRNG engine has 4 ring oscillators.
       Sampling ratio values for these 4 ring oscillators. (from calibration)
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32-array
-      - items:
-          maxItems: 4
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    maxItems: 4
 
   clocks:
     maxItems: 1

Documentation/devicetree/bindings/serial/samsung_uart.yaml

@@ -33,9 +33,8 @@ properties:
     description: |
       The size (in bytes) of the IO accesses that should be performed
       on the device.
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
-      - enum: [ 1, 4 ]
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 1, 4 ]
 
   clocks:
     minItems: 2

Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml

@@ -100,8 +100,7 @@ patternProperties:
                  supports up to 50MHz, up to four chip selects, programmable
                  data path from 4 bits to 32 bits and numerous protocol
                  variants.
-    allOf:
-      - $ref: /spi/spi-controller.yaml#
+    $ref: /spi/spi-controller.yaml#
 
     properties:
       compatible:
@@ -126,8 +125,7 @@ patternProperties:
   "i2c@[0-9a-f]+$":
     type: object
     description: GENI serial engine based I2C controller.
-    allOf:
-      - $ref: /schemas/i2c/i2c-controller.yaml#
+    $ref: /schemas/i2c/i2c-controller.yaml#
 
     properties:
       compatible:
@@ -156,8 +154,7 @@ patternProperties:
   "serial@[0-9a-f]+$":
     type: object
     description: GENI Serial Engine based UART Controller.
-    allOf:
-      - $ref: /schemas/serial.yaml#
+    $ref: /schemas/serial.yaml#
 
     properties:
       compatible:

Documentation/devicetree/bindings/sound/fsl,easrc.yaml

@@ -45,23 +45,20 @@ properties:
       - const: ctx3_tx
 
   firmware-name:
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/string
-      - const: imx/easrc/easrc-imx8mn.bin
+    $ref: /schemas/types.yaml#/definitions/string
+    const: imx/easrc/easrc-imx8mn.bin
     description: The coefficient table for the filters
 
   fsl,asrc-rate:
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
-      - minimum: 8000
-      - maximum: 192000
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 8000
+    maximum: 192000
     description: Defines a mutual sample rate used by DPCM Back Ends
 
   fsl,asrc-format:
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
-      - enum: [2, 6, 10, 32, 36]
-        default: 2
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [2, 6, 10, 32, 36]
+    default: 2
     description:
       Defines a mutual sample format used by DPCM Back Ends
 
@@ -83,7 +80,7 @@ examples:
 
     easrc: easrc@300c0000 {
            compatible = "fsl,imx8mn-easrc";
-           reg = <0x0 0x300c0000 0x0 0x10000>;
+           reg = <0x300c0000 0x10000>;
            interrupts = <0x0 122 0x4>;
            clocks = <&clk IMX8MN_CLK_ASRC_ROOT>;
            clock-names = "mem";

Documentation/devicetree/bindings/sound/simple-card.yaml

@@ -13,15 +13,13 @@ definitions:
 
   frame-master:
     description: Indicates dai-link frame master.
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/phandle-array
-      - maxItems: 1
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    maxItems: 1
 
   bitclock-master:
     description: Indicates dai-link bit clock master
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/phandle-array
-      - maxItems: 1
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    maxItems: 1
 
   frame-inversion:
     description: dai-link uses frame clock inversion

Documentation/devicetree/bindings/sound/tlv320adcx140.yaml

@@ -76,13 +76,12 @@ properties:
        PDMIN3 - PDMCLK latching edge used for channel 5 and 6 data
        PDMIN4 - PDMCLK latching edge used for channel 7 and 8 data
 
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32-array
-      - minItems: 1
-        maxItems: 4
-        items:
-          maximum: 1
-        default: [0, 0, 0, 0]
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    minItems: 1
+    maxItems: 4
+    items:
+      maximum: 1
+    default: [0, 0, 0, 0]
 
   ti,gpi-config:
     description: |
@@ -102,13 +101,12 @@ properties:
        7 - GPIX is configured as a PDM data input for channel 7 and channel
             (PDMDIN4)
 
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32-array
-      - minItems: 1
-        maxItems: 4
-        items:
-          maximum: 7
-        default: [0, 0, 0, 0]
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    minItems: 1
+    maxItems: 4
+    items:
+      maximum: 7
+    default: [0, 0, 0, 0]
 
 required:
   - compatible

Documentation/devicetree/bindings/thermal/socionext,uniphier-thermal.yaml

@@ -28,9 +28,8 @@ properties:
     const: 0
 
   socionext,tmod-calibration:
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32-array
-      - maxItems: 2
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    maxItems: 2
     description:
       A pair of calibrated values referred from PVT, in case that the values
       aren't set on SoC, like a reference board.

Documentation/devicetree/bindings/usb/aspeed,usb-vhub.yaml

@@ -52,21 +52,18 @@ properties:
 
   vhub-vendor-id:
     description: vhub Vendor ID
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
-      - maximum: 65535
+    $ref: /schemas/types.yaml#/definitions/uint32
+    maximum: 65535
 
   vhub-product-id:
     description: vhub Product ID
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
-      - maximum: 65535
+    $ref: /schemas/types.yaml#/definitions/uint32
+    maximum: 65535
 
   vhub-device-revision:
     description: vhub Device Revision in binary-coded decimal
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
-      - maximum: 65535
+    $ref: /schemas/types.yaml#/definitions/uint32
+    maximum: 65535
 
   vhub-strings:
     type: object
@@ -90,18 +87,15 @@ properties:
 
           manufacturer:
             description: vhub manufacturer
-            allOf:
-              - $ref: /schemas/types.yaml#/definitions/string
+            $ref: /schemas/types.yaml#/definitions/string
 
           product:
             description: vhub product name
-            allOf:
-              - $ref: /schemas/types.yaml#/definitions/string
+            $ref: /schemas/types.yaml#/definitions/string
 
           serial-number:
             description: vhub device serial number
-            allOf:
-              - $ref: /schemas/types.yaml#/definitions/string
+            $ref: /schemas/types.yaml#/definitions/string
 
 required:
   - compatible

Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml

@@ -64,13 +64,11 @@ properties:
      - const: hs_src
 
   power-domains:
-    maxItems: 2
     items:
       - description: XUSBB(device) power-domain
       - description: XUSBA(superspeed) power-domain
 
   power-domain-names:
-    maxItems: 2
     items:
       - const: dev
       - const: ss

Documentation/devicetree/bindings/watchdog/arm-smc-wdt.yaml

@@ -17,8 +17,7 @@ properties:
     enum:
       - arm,smc-wdt
   arm,smc-id:
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/uint32
+    $ref: /schemas/types.yaml#/definitions/uint32
     description: |
       The ATF smc function id used by the firmware.
       Defaults to 0x82003D06 if unset.

scripts/dtc/Makefile

@@ -20,6 +20,9 @@ endif
 HOST_EXTRACFLAGS += -DNO_YAML
 else
 dtc-objs	+= yamltree.o
+# To include <yaml.h> installed in a non-default path
+HOSTCFLAGS_yamltree.o := $(shell pkg-config --cflags yaml-0.1)
+# To link libyaml installed in a non-default path
 HOSTLDLIBS_dtc	:= $(shell pkg-config yaml-0.1 --libs)
 endif