Merge tag 'devicetree-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:

 - Add Krzysztof Kozlowski as co-maintainer for DT bindings providing
   much needed help.

 - DT schema validation now takes DTB files as input rather than
   intermediate YAML files. This decouples the validation from the
   source level syntax information. There's a bunch of schema fixes as a
   result of switching to DTB based validation which exposed some errors
   and incomplete schemas and examples.

 - Kbuild improvements to explicitly warn users running 'make
   dt_binding_check' on missing yamllint

 - Expand DT_SCHEMA_FILES kbuild variable to take just a partial
   filename or path instead of the full path to 1 file.

 - Convert various bindings to schema format: mscc,vsc7514-switch,
   multiple GNSS bindings, ahci-platform, i2c-at91, multiple UFS
   bindings, cortina,gemini-sata-bridge, cortina,gemini-ethernet, Atmel
   SHA, Atmel TDES, Atmel AES, armv7m-systick, Samsung Exynos display
   subsystem, nuvoton,npcm7xx-timer, samsung,s3c2410-i2c, zynqmp_dma,
   msm/mdp4, rda,8810pl-uart

 - New schemas for u-boot environment variable partition, TI clksel

 - New compatible strings for Renesas RZ/V2L SoC

 - Vendor prefixes for Xen, HPE, deprecated Synopsys, deprecated
   HiSilicon

 - Add/fix schemas for QEMU Arm 'virt' machine

 - Drop unused of_alias_get_alias_list() function

 - Add a script to check DT unittest EXPECT message output. Pass
   messages also now print by default at PR_INFO level to help test
   automation.

* tag 'devicetree-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (96 commits)
  dt-bindings: kbuild: Make DT_SCHEMA_LINT a recursive variable
  dt-bindings: nvmem: add U-Boot environment variables binding
  dt-bindings: ufs: qcom: Add SM6350 compatible string
  dt-bindings: dmaengine: sifive,fu540-c000: include generic schema
  dt-bindings: gpio: pca95xx: drop useless consumer example
  Revert "of: base: Introduce of_alias_get_alias_list() to check alias IDs"
  dt-bindings: virtio,mmio: Allow setting devices 'dma-coherent'
  dt-bindings: gnss: Add two more chips
  dt-bindings: gnss: Rewrite sirfstar binding in YAML
  dt-bindings: gnss: Modify u-blox to use common bindings
  dt-bindings: gnss: Rewrite common bindings in YAML
  dt-bindings: ata: ahci-platform: Add rk3568-dwc-ahci compatible
  dt-bindings: ata: ahci-platform: Add power-domains property
  dt-bindings: ata: ahci-platform: Convert DT bindings to yaml
  dt-bindings: kbuild: Use DTB files for validation
  dt-bindings: kbuild: Pass DT_SCHEMA_FILES to dt-validate
  dt-bindings: Add QEMU virt machine compatible
  dt-bindings: arm: Convert QEMU fw-cfg to DT schema
  dt-bindings: i2c: at91: Add SAMA7G5 compatible strings list
  dt-bindings: i2c: convert i2c-at91 to json-schema
  ...

4 files changed, 418 insertions, 30 deletions

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 79be57fdd32a..9d5320a47ef8 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -87,11 +87,6 @@ base-dtb-y := $(foreach m, $(multi-dtb-y), $(firstword $(call suffix-search, $m,
 
 always-y			+= $(dtb-y)
 
-ifneq ($(CHECK_DTBS),)
-always-y += $(patsubst %.dtb,%.dt.yaml, $(real-dtb-y))
-always-y += $(patsubst %.dtbo,%.dt.yaml, $(real-dtb-y))
-endif
-
 # Add subdir path
 
 extra-y		:= $(addprefix $(obj)/,$(extra-y))
@@ -347,12 +342,6 @@ cmd_dtc = $(HOSTCC) -E $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ;
 		-d $(depfile).dtc.tmp $(dtc-tmp) ; \
 	cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
 
-$(obj)/%.dtb: $(src)/%.dts $(DTC) FORCE
-	$(call if_changed_dep,dtc)
-
-$(obj)/%.dtbo: $(src)/%.dts $(DTC) FORCE
-	$(call if_changed_dep,dtc)
-
 quiet_cmd_fdtoverlay = DTOVL   $@
       cmd_fdtoverlay = $(objtree)/scripts/dtc/fdtoverlay -o $@ -i $(real-prereqs)
 
@@ -360,23 +349,27 @@ $(multi-dtb-y): FORCE
 	$(call if_changed,fdtoverlay)
 $(call multi_depend, $(multi-dtb-y), .dtb, -dtbs)
 
+ifneq ($(CHECK_DTBS)$(CHECK_DT_BINDING),)
 DT_CHECKER ?= dt-validate
-DT_CHECKER_FLAGS ?= $(if $(DT_SCHEMA_FILES),,-m)
+DT_CHECKER_FLAGS ?= $(if $(DT_SCHEMA_FILES),-l $(DT_SCHEMA_FILES),-m)
 DT_BINDING_DIR := Documentation/devicetree/bindings
-# DT_TMP_SCHEMA may be overridden from Documentation/devicetree/bindings/Makefile
-DT_TMP_SCHEMA ?= $(objtree)/$(DT_BINDING_DIR)/processed-schema.json
+DT_TMP_SCHEMA := $(objtree)/$(DT_BINDING_DIR)/processed-schema.json
 
 quiet_cmd_dtb_check =	CHECK   $@
-      cmd_dtb_check =	$(DT_CHECKER) $(DT_CHECKER_FLAGS) -u $(srctree)/$(DT_BINDING_DIR) -p $(DT_TMP_SCHEMA) $@
+      cmd_dtb_check =	$(DT_CHECKER) $(DT_CHECKER_FLAGS) -u $(srctree)/$(DT_BINDING_DIR) -p $(DT_TMP_SCHEMA) $@ || true
+endif
 
 define rule_dtc
 	$(call cmd_and_fixdep,dtc)
 	$(call cmd,dtb_check)
 endef
 
-$(obj)/%.dt.yaml: $(src)/%.dts $(DTC) $(DT_TMP_SCHEMA) FORCE
+$(obj)/%.dtb: $(src)/%.dts $(DTC) $(DT_TMP_SCHEMA) FORCE
 	$(call if_changed_rule,dtc)
 
+$(obj)/%.dtbo: $(src)/%.dts $(DTC) FORCE
+	$(call if_changed_dep,dtc)
+
 dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
 
 # Bzip2
diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile
index 95aaf7431bff..4d32b9497da9 100644
--- a/scripts/dtc/Makefile
+++ b/scripts/dtc/Makefile
@@ -17,20 +17,7 @@ fdtoverlay-objs	:= $(libfdt) fdtoverlay.o util.o
 
 # Source files need to get at the userspace version of libfdt_env.h to compile
 HOST_EXTRACFLAGS += -I $(srctree)/$(src)/libfdt
-
-ifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),)
-ifneq ($(CHECK_DT_BINDING)$(CHECK_DTBS),)
-$(error dtc needs libyaml for DT schema validation support. \
-	Install the necessary libyaml development package.)
-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
 
 # Generated files need one more search path to include headers in source tree
 HOSTCFLAGS_dtc-lexer.lex.o := -I $(srctree)/$(src)
diff --git a/scripts/dtc/of_unittest_expect b/scripts/dtc/of_unittest_expect
new file mode 100755
index 000000000000..96b12d9ea606
--- /dev/null
+++ b/scripts/dtc/of_unittest_expect
@@ -0,0 +1,408 @@
+#!/usr/bin/perl
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright 2020, 2022 Sony Corporation
+#
+# Author: Frank Rowand
+
+# This program is meant to be an aid to reading the verbose output of
+# on the console log that results from executing the Linux kernel
+# devicetree unittest (drivers/of/unitest.c).
+
+$VUFX = "220201a";
+
+use strict 'refs';
+use strict subs;
+
+use Getopt::Long;
+use Text::Wrap;
+
+# strip off everything before final "/"
+(undef, $script_name) = split(/^.*\//, $0);
+
+# following /usr/include/sysexits.h
+$EX_OK=0;
+$EX_USAGE=64;
+
+
+#______________________________________________________________________________
+sub compare {
+	my ($expect, $got) = @_;
+	my $expect_next;
+	my $expect_next_lit;
+	my $got_next;
+	my $type;
+
+	while ($expect) {
+
+		($expect_next, $type) = split(/<</, $expect);
+		($type) = split(/>>/, $type);
+		$expect =~ s/^.*?>>//;	# '?' is non-greedy, minimal match
+
+		# literal, ignore all metacharacters when used in a regex
+		$expect_next_lit = quotemeta($expect_next);
+
+		$got_next = $got;
+		$got_next =~ s/^($expect_next_lit).*/\1/;
+		$got       =~ s/^$expect_next_lit//;
+
+		if ($expect_next ne $got_next) {
+			return 0;
+		}
+
+		if ($type eq "int") {
+			if ($got =~ /^[+-]*[0-9]+/) {
+				$got =~ s/^[+-]*[0-9]+//;
+			} else {
+				return 0;
+			}
+		} elsif ($type eq "hex") {
+			if ($got =~ /^(0x)*[0-9a-f]+/) {
+				$got =~ s/^(0x)*[0-9a-f]+//;
+			} else {
+				return 0;
+			}
+		} elsif ($type eq "") {
+			if ($expect_next ne $got_next) {
+				return 0;
+			} else {
+				return 1;
+			}
+		} else {
+			$internal_err++;
+			print "** ERROR: special pattern not recognized: <<$type>>, CONSOLE_LOG line: $.\n";
+			return 0;
+		}
+
+	}
+
+	# should not get here
+	$internal_err++;
+	print "** ERROR: $script_name internal error, at end of compare(), CONSOLE_LOG line: $.\n";
+
+	return 0;
+}
+
+
+#______________________________________________________________________________
+sub usage {
+
+# ***** when editing, be careful to not put tabs in the string printed:
+
+	print STDERR
+"
+usage:
+
+  $script_name CONSOLE_LOG
+
+     -h                print program usage
+    --help             print program usage
+    --hide-expect      suppress output of EXPECTed lines
+    --line-num         report line number of CONSOLE_LOG
+    --no-expect-stats  do not report EXPECT statistics
+    --no-strip-ts      do not strip leading console timestamps
+    --verbose          do not suppress EXPECT begin and end lines
+    --version          print program version and exit
+
+
+  Process a console log for EXPECTed test related messages to either
+  highlight expected devicetree unittest related messages or suppress
+  the messages.  Leading console timestamps will be stripped.
+
+  Various unittests may trigger kernel messages from outside the
+  unittest code.  The unittest annotates that it expects the message
+  to occur with an 'EXPECT \\ : text' (begin) before triggering the
+  message, and an 'EXPECT / : text' (end) after triggering the message.
+
+  If an expected message does not occur, that will be reported.
+
+  For each expected message, the 'EXPECT \\ : text' (begin) and
+  'EXPECT / : text' (end), 'text' will contain the message text.
+
+  If 'EXPECT \\' (begin) and 'EXPECT /' (end) lines do not contain
+  matching 'text', that will be reported.
+
+  If EXPECT lines are nested, 'EXPECT /' (end) lines must be in the
+  reverse order of the corresponding 'EXPECT \\' (begin) lines.
+
+  'EXPECT \\ : text' (begin) and 'EXPECT / : text' (end) lines can
+  contain special patterns in 'text':
+
+     <<int>> matches: [+-]*[0-9]+
+     <<hex>> matches: (0x)*[0-9a-f]+
+
+  'EXPECT \\' (begin) and 'EXPECT /' (end) lines are suppressed.
+
+  A prefix is added to every line of output:
+
+    'ok ' Line matches an enclosing EXPECT begin/end pair
+
+    '** ' Line reports $script_name warning or error
+
+    '-> ' Line reports start or end of the unittests
+
+    '>> ' Line reports a unittest test FAIL
+
+    '   ' Lines that are not otherwise prefixed
+
+  Issues detected in CONSOLE_LOG are reported to STDOUT, not to STDERR.
+
+  Known Issues:
+
+    --line-num causes the CONSOLE_LOG line number to be printed in 4 columns.
+       If CONSOLE_LOG contains more than 9999 lines then more columns will be
+       used to report the line number for lines greater than 9999 (eg for
+       lines 10000 - 99999, 5 columns will be used).
+";
+
+	return {};
+}
+
+#______________________________________________________________________________
+#______________________________________________________________________________
+
+if (!GetOptions(
+	"h"               => \$help,
+	"help"            => \$help,
+	"hide-expect"     => \$hide_expect,
+	"line-num"        => \$print_line_num,
+	"no-expect-stats" => \$no_expect_stats,
+	"no-strip-ts"     => \$no_strip_ts,
+	"verbose"         => \$verbose,
+	"version"         => \$version,
+	)) {
+	print STDERR "\n";
+	print STDERR "ERROR processing command line options\n";
+	print STDERR "\n";
+	print STDERR "For help, type '$script_name --help'\n";
+	print STDERR "\n";
+
+	exit $EX_OK;
+}
+
+
+if ($no_strip_ts) {
+	$strip_ts = 1;
+	$no_strip_ts = 0;
+} else {
+	$strip_ts = 0;
+	$no_strip_ts = 1;
+}
+
+
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+if ($help){
+
+	&usage;
+
+	exit $EX_OK;
+}
+
+
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+if ($version) {
+	print STDERR "\n$script_name  $VUFX\n\n";
+	print STDERR "\n";
+
+	exit $EX_OK;
+}
+
+
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+if ($#ARGV != 0) {
+
+	# Limit input files to exactly one.
+	#
+	# 'while ($line = <ARGV>) {' in the code below supports multiple file
+	# names on the command line, but the EXPECT statistics are reported
+	# once for all input - it is not an expected use case to generate one
+	# set of statistics for multiple input files.
+
+	print STDERR "\n";
+	print STDERR "Required arguments: CONSOLE_LOG\n";
+	print STDERR "\n";
+
+	exit $EX_USAGE;
+}
+
+
+#______________________________________________________________________________
+
+# Patterns to match 'EXPECT \ : ' (begin) and 'EXPECT / : ' (end)
+#
+# $exp_* are used as regex match patterns,
+# so '\\\\' in $exp_begin matches a single '\'
+# quotemeta() does not do the right thing in this case
+#
+# $pr_fmt is the prefix that unittest prints for every message
+
+$pr_fmt = "### dt-test ### ";
+$exp_begin = "${pr_fmt}EXPECT \\\\ : ";
+$exp_end   = "${pr_fmt}EXPECT / : ";
+
+
+$line_num = "";
+$timestamp = "";
+
+LINE:
+while ($line = <ARGV>) {
+
+	chomp $line;
+
+	$prefix = "  ";  ## 2 characters
+
+
+	if ($strip_ts) {
+
+		$timestamp = $line;
+
+		if ($timestamp =~ /^\[\s*[0-9]+\.[0-9]*\] /) {
+			($timestamp, $null) = split(/]/, $line);
+			$timestamp = $timestamp . "] ";
+
+		} else {
+			$timestamp = "";
+		}
+	}
+
+	$line =~ s/^\[\s*[0-9]+\.[0-9]*\] //;
+
+
+	# -----  find EXPECT begin
+
+	if ($line =~ /^\s*$exp_begin/) {
+		$data = $line;
+		$data =~ s/^\s*$exp_begin//;
+		push @begin, $data;
+
+		if ($verbose) {
+			if ($print_line_num) {
+				$line_num = sprintf("%4s ", $.);
+			}
+			printf "%s %s%s%s\n", $prefix, $line_num,  $timestamp, $line;
+		}
+
+		next LINE;
+	}
+
+
+	# -----  find EXPECT end
+
+	if ($line =~ /^\s*$exp_end/) {
+		$data = $line;
+		$data =~ s/^\s*$exp_end//;
+
+		if ($verbose) {
+			if ($print_line_num) {
+				$line_num = sprintf("%4s ", $.);
+			}
+			printf "%s %s%s%s\n", $prefix, $line_num,  $timestamp, $line;
+		}
+
+		$found = 0;
+		$no_begin = 0;
+		if (@found_or_begin > 0) {
+			$begin = pop @found_or_begin;
+			if (compare($data, $begin)) {
+				$found = 1;
+			}
+		} elsif (@begin > 0) {
+			$begin = pop @begin;
+		} else {
+			$no_begin = 1;
+		}
+
+		if ($no_begin) {
+
+			$expect_missing_begin++;
+			print "** ERROR: EXPECT end without any EXPECT begin:\n";
+			print "       end ---> $line\n";
+
+		} elsif (! $found) {
+
+			if ($print_line_num) {
+				$line_num = sprintf("%4s ", $.);
+			}
+
+			$expect_not_found++;
+			printf "** %s%s$script_name WARNING - not found ---> %s\n",
+					$line_num,  $timestamp, $data;
+
+		} elsif (! compare($data, $begin)) {
+
+			$expect_missing_end++;
+			print "** ERROR: EXPECT end does not match EXPECT begin:\n";
+			print "       begin -> $begin\n";
+			print "       end ---> $line\n";
+
+		} else {
+
+			$expect_found++;
+
+		}
+
+		next LINE;
+	}
+
+
+	# -----  not an EXPECT line
+
+	if (($line =~ /^${pr_fmt}start of unittest - you will see error messages$/) ||
+	    ($line =~ /^${pr_fmt}end of unittest - [0-9]+ passed, [0-9]+ failed$/ )   ) {
+		$prefix = "->"; # 2 characters
+	} elsif ($line =~ /^${pr_fmt}FAIL /) {
+		$unittest_fail++;
+		$prefix = ">>"; # 2 characters
+	}
+
+	$found = 0;
+	foreach $begin (@begin) {
+		if (compare($begin, $line)) {
+			$found = 1;
+			last;
+		}
+	}
+
+	if ($found) {
+		$begin = shift @begin;
+		while (! compare($begin, $line)) {
+			push @found_or_begin, $begin;
+			$begin = shift @begin;
+		}
+		push @found_or_begin, $line;
+
+		if ($hide_expect) {
+			$suppress_line = 1;
+			next LINE;
+		}
+		$prefix = "ok"; # 2 characters
+	}
+
+
+	if ($print_line_num) {
+		$line_num = sprintf("%4s ", $.);
+	}
+
+	printf "%s %s%s%s\n", $prefix, $line_num,  $timestamp, $line;
+}
+
+if (! $no_expect_stats) {
+	print  "\n";
+	print  "** EXPECT statistics:\n";
+	print  "**\n";
+	printf "**   EXPECT found          : %4i\n", $expect_found;
+	printf "**   EXPECT not found      : %4i\n", $expect_not_found;
+	printf "**   missing EXPECT begin  : %4i\n", $expect_missing_begin;
+	printf "**   missing EXPECT end    : %4i\n", $expect_missing_end;
+	printf "**   unittest FAIL         : %4i\n", $unittest_fail;
+	printf "**   internal error        : %4i\n", $internal_err;
+}
+
+if (@begin) {
+	print "** ERROR: EXPECT begin without any EXPECT end:\n";
+	print "          This list may be misleading.\n";
+	foreach $begin (@begin) {
+		print "       begin ---> $begin\n";
+	}
+}
diff --git a/scripts/dtc/update-dtc-source.sh b/scripts/dtc/update-dtc-source.sh
index 32ff17ffd089..94627541533e 100755
--- a/scripts/dtc/update-dtc-source.sh
+++ b/scripts/dtc/update-dtc-source.sh
@@ -32,7 +32,7 @@ DTC_UPSTREAM_PATH=`pwd`/../dtc
 DTC_LINUX_PATH=`pwd`/scripts/dtc
 
 DTC_SOURCE="checks.c data.c dtc.c dtc.h flattree.c fstree.c livetree.c srcpos.c \
-		srcpos.h treesource.c util.c util.h version_gen.h yamltree.c \
+		srcpos.h treesource.c util.c util.h version_gen.h \
 		dtc-lexer.l dtc-parser.y"
 LIBFDT_SOURCE="fdt.c fdt.h fdt_addresses.c fdt_empty_tree.c \
 		fdt_overlay.c fdt_ro.c fdt_rw.c fdt_strerror.c fdt_sw.c \