Merge tag 'devicetree-for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:

 - Update dtc to upstream version v1.6.0-31-gcbca977ea121

 - dtx_diff help text reformatting

 - Speed-up validation time for binding and dtb checks using json for
   intermediate files

 - Add support for running yamllint on DT schema files

 - Remove old booting-without-of.rst

 - Extend the example schema to address common issues

 - Cleanup handling of additionalProperties/unevaluatedProperties

 - Ensure all DSI controller schemas reference dsi-controller.yaml

 - Vendor prefixes for Zealz, Wandbord/Technexion, Embest RIoT, Rex,
   DFI, and Cisco Meraki

 - Convert at25, SPMI bus, TI hwlock, HiSilicon Hi3660 USB3 PHY, Arm
   SP805 watchdog, Arm SP804, and Samsung 11-pin USB connector to DT
   schema

 - Convert HiSilicon SoC and syscon bindings to DT schema

 - Convert SiFive Risc-V L2 cache, PLIC, PRCI, and PWM to DT schema

 - Convert i.MX bindings for w1, crypto, rng, SIM, PM, DDR, SATA, vf610
   GPIO, and UART to DT schema

 - Add i.MX 8M compatible strings

 - Add LM81 and DS1780 as trivial devices

 - Various missing properties added to fix dtb validation warnings

* tag 'devicetree-for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (111 commits)
  dt-bindings: misc: explicitly add #address-cells for slave mode
  spi: dt-bindings: spi-controller: explicitly require #address-cells=<0> for slave mode
  dt: Remove booting-without-of.rst
  dt-bindings: update usb-c-connector example
  dt-bindings: arm: hisilicon: add missing properties into cpuctrl.yaml
  dt-bindings: arm: hisilicon: add missing properties into sysctrl.yaml
  dt-bindings: pwm: imx: document i.MX compatibles
  scripts/dtc: Update to upstream version v1.6.0-31-gcbca977ea121
  dt-bindings: Add running yamllint to dt_binding_check
  dt-bindings: powerpc: Add a schema for the 'sleep' property
  dt-bindings: pinctrl: sirf: Fix typo abitrary
  dt-bindings: pinctrl: qcom: Fix typo abitrary
  dt-bindings: Explicitly allow additional properties in common schemas
  dt-bindings: Use 'additionalProperties' instead of 'unevaluatedProperties'
  dt-bindings: Add missing 'unevaluatedProperties'
  Docs: Fixing spelling errors in Documentation/devicetree/bindings/
  dt-bindings: arm: hisilicon: convert Hi6220 domain controller bindings to json-schema
  dt-bindings: riscv: convert pwm bindings to json-schema
  dt-bindings: riscv: convert plic bindings to json-schema
  dt-bindings: fu540: prci: convert PRCI bindings to json-schema
  ...

Author: torvalds

Documentation/devicetree/bindings/.gitignore

@@ -1,3 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
 *.example.dts
 processed-schema*.yaml
+processed-schema*.json

Documentation/devicetree/bindings/.yamllint

@@ -0,0 +1,39 @@
+extends: relaxed
+
+rules:
+  line-length:
+    # 80 chars should be enough, but don't fail if a line is longer
+    max: 110
+    allow-non-breakable-words: true
+    level: warning
+  braces:
+    min-spaces-inside: 0
+    max-spaces-inside: 1
+    min-spaces-inside-empty: 0
+    max-spaces-inside-empty: 0
+  brackets:
+    min-spaces-inside: 0
+    max-spaces-inside: 1
+    min-spaces-inside-empty: 0
+    max-spaces-inside-empty: 0
+  colons: {max-spaces-before: 0, max-spaces-after: 1}
+  commas: {min-spaces-after: 1, max-spaces-after: 1}
+  comments:
+    require-starting-space: false
+    min-spaces-from-content: 1
+  comments-indentation: disable
+  document-start:
+    present: true
+  empty-lines:
+    max: 3
+    max-end: 1
+  empty-values:
+    forbid-in-block-mappings: true
+    forbid-in-flow-mappings: true
+  hyphens:
+    max-spaces-after: 1
+  indentation:
+    spaces: 2
+    indent-sequences: true
+    check-multi-line-strings: false
+  trailing-spaces: false

Documentation/devicetree/bindings/Makefile

@@ -3,34 +3,50 @@ DT_DOC_CHECKER ?= dt-doc-validate
 DT_EXTRACT_EX ?= dt-extract-example
 DT_MK_SCHEMA ?= dt-mk-schema
 
-DT_SCHEMA_MIN_VERSION = 2020.5
+DT_SCHEMA_LINT = $(shell which yamllint)
+
+DT_SCHEMA_MIN_VERSION = 2020.8.1
 
 PHONY += check_dtschema_version
 check_dtschema_version:
 	@{ echo $(DT_SCHEMA_MIN_VERSION); \
 	$(DT_DOC_CHECKER) --version 2>/dev/null || echo 0; } | sort -VC || \
 	{ echo "ERROR: dtschema minimum version is v$(DT_SCHEMA_MIN_VERSION)" >&2; false; }
 
-quiet_cmd_chk_binding = CHKDT   $(patsubst $(srctree)/%,%,$<)
-      cmd_chk_binding = $(DT_DOC_CHECKER) -u $(srctree)/$(src) $< ; \
-                        $(DT_EXTRACT_EX) $< > $@
+quiet_cmd_extract_ex = DTEX    $@
+      cmd_extract_ex = $(DT_EXTRACT_EX) $< > $@
 
 $(obj)/%.example.dts: $(src)/%.yaml check_dtschema_version FORCE
-	$(call if_changed,chk_binding)
+	$(call if_changed,extract_ex)
 
 # Use full schemas when checking %.example.dts
-DT_TMP_SCHEMA := $(obj)/processed-schema-examples.yaml
+DT_TMP_SCHEMA := $(obj)/processed-schema-examples.json
 
 find_cmd = find $(srctree)/$(src) \( -name '*.yaml' ! \
 		-name 'processed-schema*' ! \
 		-name '*.example.dt.yaml' \)
 
+quiet_cmd_yamllint = LINT    $(src)
+      cmd_yamllint = $(find_cmd) | \
+                     xargs $(DT_SCHEMA_LINT) -f parsable -c $(srctree)/$(src)/.yamllint
+
+quiet_cmd_chk_bindings = CHKDT   $@
+      cmd_chk_bindings = $(find_cmd) | \
+                         xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(srctree)/$(src)
+
 quiet_cmd_mk_schema = SCHEMA  $@
-      cmd_mk_schema = rm -f $@ ; \
+      cmd_mk_schema = f=$$(mktemp) ; \
                       $(if $(DT_MK_SCHEMA_FLAGS), \
                            echo $(real-prereqs), \
-                           $(find_cmd)) | \
-                      xargs $(DT_MK_SCHEMA) $(DT_MK_SCHEMA_FLAGS) >> $@
+                           $(find_cmd)) > $$f ; \
+                      $(DT_MK_SCHEMA) -j $(DT_MK_SCHEMA_FLAGS) @$$f > $@ ; \
+		      rm -f $$f
+
+define rule_chkdt
+	$(if $(DT_SCHEMA_LINT),$(call cmd,yamllint),)
+	$(call cmd,chk_bindings)
+	$(call cmd,mk_schema)
+endef
 
 DT_DOCS = $(shell $(find_cmd) | sed -e 's|^$(srctree)/||')
 
@@ -39,33 +55,33 @@ override DTC_FLAGS := \
 	-Wno-graph_child_address \
 	-Wno-interrupt_provider
 
-$(obj)/processed-schema-examples.yaml: $(DT_DOCS) check_dtschema_version FORCE
-	$(call if_changed,mk_schema)
+$(obj)/processed-schema-examples.json: $(DT_DOCS) $(src)/.yamllint check_dtschema_version FORCE
+	$(call if_changed_rule,chkdt)
 
 ifeq ($(DT_SCHEMA_FILES),)
 
 # Unless DT_SCHEMA_FILES is specified, use the full schema for dtbs_check too.
-# Just copy processed-schema-examples.yaml
+# Just copy processed-schema-examples.json
 
-$(obj)/processed-schema.yaml: $(obj)/processed-schema-examples.yaml FORCE
+$(obj)/processed-schema.json: $(obj)/processed-schema-examples.json FORCE
 	$(call if_changed,copy)
 
 DT_SCHEMA_FILES = $(DT_DOCS)
 
 else
 
-# If DT_SCHEMA_FILES is specified, use it for processed-schema.yaml
+# If DT_SCHEMA_FILES is specified, use it for processed-schema.json
 
-$(obj)/processed-schema.yaml: DT_MK_SCHEMA_FLAGS := -u
-$(obj)/processed-schema.yaml: $(DT_SCHEMA_FILES) check_dtschema_version FORCE
+$(obj)/processed-schema.json: DT_MK_SCHEMA_FLAGS := -u
+$(obj)/processed-schema.json: $(DT_SCHEMA_FILES) check_dtschema_version FORCE
 	$(call if_changed,mk_schema)
 
 endif
 
+extra-$(CHECK_DT_BINDING) += processed-schema-examples.json
+extra-$(CHECK_DTBS) += processed-schema.json
 extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES))
 extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dt.yaml, $(DT_SCHEMA_FILES))
-extra-$(CHECK_DT_BINDING) += processed-schema-examples.yaml
-extra-$(CHECK_DTBS) += processed-schema.yaml
 
 # Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of
 # build artifacts here before they are processed by scripts/Makefile.clean

Documentation/devicetree/bindings/arm/actions.yaml

@@ -11,6 +11,8 @@ maintainers:
   - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
 
 properties:
+  $nodename:
+    const: "/"
   compatible:
     oneOf:
       # The Actions Semi S500 is a quad-core ARM Cortex-A9 SoC.

Documentation/devicetree/bindings/arm/altera.yaml

@@ -10,6 +10,8 @@ maintainers:
   - Dinh Nguyen <dinguyen@kernel.org>
 
 properties:
+  $nodename:
+    const: "/"
   compatible:
     items:
       - enum:

Documentation/devicetree/bindings/arm/axxia.yaml

@@ -10,6 +10,8 @@ maintainers:
   - Anders Berg <anders.berg@lsi.com>
 
 properties:
+  $nodename:
+    const: "/"
   compatible:
     description: LSI AXM5516 Validation board (Amarillo)
     items:

Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml

@@ -54,6 +54,8 @@ required:
   - compatible
   - mboxes
 
+additionalProperties: false
+
 examples:
   - |
     firmware {

Documentation/devicetree/bindings/arm/bitmain.yaml

@@ -10,6 +10,8 @@ maintainers:
   - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
 
 properties:
+  $nodename:
+    const: "/"
   compatible:
     items:
       - enum:

Documentation/devicetree/bindings/arm/coresight-cti.yaml

@@ -220,6 +220,8 @@ then:
   required:
     - cpu
 
+unevaluatedProperties: false
+
 examples:
   # minimum CTI definition. DEVID register used to set number of triggers.
   - |

Documentation/devicetree/bindings/arm/cpus.yaml

@@ -341,6 +341,8 @@ required:
 dependencies:
   rockchip,pmu: [enable-method]
 
+additionalProperties: true
+
 examples:
   - |
     cpus {