[PATCH] RFC: Example schema files written in Python

From: Simon Glass
Date: Mon Apr 29 2019 - 18:41:55 EST

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Most of these are hand-written, but xilinx-xadc.py is auto-generated by
binding_to_py.py as an example of the use of that tool.

This is part of a proof-of-concept device-tree validator. See the patch
on the dtc mailing list for details:

RFC: Python-based device-tree validation

Signed-off-by: Simon Glass <sjg@xxxxxxxxxxxx>
---

Documentation/__init__.py | 0
Documentation/devicetree/__init__.py | 0
Documentation/devicetree/bindings/__init__.py | 0
.../devicetree/bindings/arm/__init__.py | 0
Documentation/devicetree/bindings/arm/cpus.py | 125 ++++++++++++++++++
Documentation/devicetree/bindings/arm/pmu.py | 38 ++++++
.../devicetree/bindings/arm/rockchip.py | 16 +++
.../devicetree/bindings/arm/xilinx.py | 24 ++++
Documentation/devicetree/bindings/base.py | 14 ++
Documentation/devicetree/bindings/chosen.py | 15 +++
.../devicetree/bindings/cpufreq/cpufreq-dt.py | 15 +++
.../devicetree/bindings/fpga/fpga-region.py | 15 +++
.../bindings/iio/adc/xilinx-xadc.py | 61 +++++++++
.../bindings/iio/adc/xilinx-xadc.txt | 34 ++---
Documentation/devicetree/bindings/memory.py | 15 +++
Documentation/devicetree/bindings/opp/opp.py | 15 +++
.../bindings/regulator/fixed-regulator.py | 14 ++
.../bindings/regulator/regulator.py | 19 +++
.../reserved-memory/reserved-memory.py | 14 ++
.../devicetree/bindings/thermal/thermal.py | 15 +++
.../devicetree/bindings/usb/usb-nop-xceiv.py | 16 +++
21 files changed, 449 insertions(+), 16 deletions(-)
create mode 100644 Documentation/__init__.py
create mode 100644 Documentation/devicetree/__init__.py
create mode 100644 Documentation/devicetree/bindings/__init__.py
create mode 100644 Documentation/devicetree/bindings/arm/__init__.py
create mode 100644 Documentation/devicetree/bindings/arm/cpus.py
create mode 100644 Documentation/devicetree/bindings/arm/pmu.py
create mode 100644 Documentation/devicetree/bindings/arm/rockchip.py
create mode 100644 Documentation/devicetree/bindings/arm/xilinx.py
create mode 100644 Documentation/devicetree/bindings/base.py
create mode 100644 Documentation/devicetree/bindings/chosen.py
create mode 100644 Documentation/devicetree/bindings/cpufreq/cpufreq-dt.py
create mode 100644 Documentation/devicetree/bindings/fpga/fpga-region.py
create mode 100644 Documentation/devicetree/bindings/iio/adc/xilinx-xadc.py
create mode 100644 Documentation/devicetree/bindings/memory.py
create mode 100644 Documentation/devicetree/bindings/opp/opp.py
create mode 100644 Documentation/devicetree/bindings/regulator/fixed-regulator.py
create mode 100644 Documentation/devicetree/bindings/regulator/regulator.py
create mode 100644 Documentation/devicetree/bindings/reserved-memory/reserved-memory.py
create mode 100644 Documentation/devicetree/bindings/thermal/thermal.py
create mode 100644 Documentation/devicetree/bindings/usb/usb-nop-xceiv.py

diff --git a/Documentation/__init__.py b/Documentation/__init__.py
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/Documentation/devicetree/__init__.py b/Documentation/devicetree/__init__.py
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/Documentation/devicetree/bindings/__init__.py b/Documentation/devicetree/bindings/__init__.py
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/Documentation/devicetree/bindings/arm/__init__.py b/Documentation/devicetree/bindings/arm/__init__.py
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/Documentation/devicetree/bindings/arm/cpus.py b/Documentation/devicetree/bindings/arm/cpus.py
new file mode 100644
index 0000000000000..6a2e94903d438
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/cpus.py
@@ -0,0 +1,125 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# /cpu bindings
+#
+# Copyright 2018 Google LLC
+#
+
+from kschema import NodeCpu, NodeCpus
+from kschema import PropClocks, PropPhandle, PropReg, PropString, PropSupply
+
+enable_methods = [
+ 'actions,s500-smp',
+ 'allwinner,sun6i-a31',
+ 'allwinner,sun8i-a23',
+ 'allwinner,sun9i-a80-smp',
+ 'amlogic,meson8-smp',
+ 'amlogic,meson8b-smp',
+ 'arm,realview-smp',
+ 'brcm,bcm11351-cpu-method',
+ 'brcm,bcm23550',
+ 'brcm,bcm2836-smp',
+ 'brcm,bcm-nsp-smp',
+ 'brcm,brahma-b15',
+ 'marvell,armada-375-smp',
+ 'marvell,armada-380-smp',
+ 'marvell,armada-390-smp',
+ 'marvell,armada-xp-smp',
+ 'marvell,98dx3236-smp',
+ 'mediatek,mt6589-smp',
+ 'mediatek,mt81xx-tz-smp',
+ 'qcom,gcc-msm8660',
+ 'qcom,kpss-acc-v1',
+ 'qcom,kpss-acc-v2',
+ 'renesas,apmu',
+ 'renesas,r9a06g032-smp',
+ 'rockchip,rk3036-smp',
+ 'rockchip,rk3066-smp',
+ 'ste,dbx500-smp',
+]
+
+schema = [
+ NodeCpus(),
+ NodeCpu(['arm,arm710t',
+ 'arm,arm720t',
+ 'arm,arm740t',
+ 'arm,arm7ej-s',
+ 'arm,arm7tdmi',
+ 'arm,arm7tdmi-s',
+ 'arm,arm9es',
+ 'arm,arm9ej-s',
+ 'arm,arm920t',
+ 'arm,arm922t',
+ 'arm,arm925',
+ 'arm,arm926e-s',
+ 'arm,arm926ej-s',
+ 'arm,arm940t',
+ 'arm,arm946e-s',
+ 'arm,arm966e-s',
+ 'arm,arm968e-s',
+ 'arm,arm9tdmi',
+ 'arm,arm1020e',
+ 'arm,arm1020t',
+ 'arm,arm1022e',
+ 'arm,arm1026ej-s',
+ 'arm,arm1136j-s',
+ 'arm,arm1136jf-s',
+ 'arm,arm1156t2-s',
+ 'arm,arm1156t2f-s',
+ 'arm,arm1176jzf',
+ 'arm,arm1176jz-s',
+ 'arm,arm1176jzf-s',
+ 'arm,arm11mpcore',
+ 'arm,armv8', # Only for s/w models
+ 'arm,cortex-a5',
+ 'arm,cortex-a7',
+ 'arm,cortex-a8',
+ 'arm,cortex-a9',
+ 'arm,cortex-a12',
+ 'arm,cortex-a15',
+ 'arm,cortex-a17',
+ 'arm,cortex-a53',
+ 'arm,cortex-a57',
+ 'arm,cortex-a72',
+ 'arm,cortex-a73',
+ 'arm,cortex-m0',
+ 'arm,cortex-m0+',
+ 'arm,cortex-m1',
+ 'arm,cortex-m3',
+ 'arm,cortex-m4',
+ 'arm,cortex-r4',
+ 'arm,cortex-r5',
+ 'arm,cortex-r7',
+ 'brcm,brahma-b15',
+ 'brcm,brahma-b53',
+ 'brcm,vulcan',
+ 'cavium,thunder',
+ 'cavium,thunder2',
+ 'faraday,fa526',
+ 'intel,sa110',
+ 'intel,sa1100',
+ 'marvell,feroceon',
+ 'marvell,mohawk',
+ 'marvell,pj4a',
+ 'marvell,pj4b',
+ 'marvell,sheeva-v5',
+ 'marvell,sheeva-v7',
+ 'nvidia,tegra132-denver',
+ 'nvidia,tegra186-denver',
+ 'nvidia,tegra194-carmel',
+ 'qcom,krait',
+ 'qcom,kryo',
+ 'qcom,kryo385',
+ 'qcom,scorpion'], [
+ PropString('device_type', True, ''),
+ PropReg(),
+ PropClocks(),
+ PropString('enable-method', True, 'psci|spin-table',
+ {'#arch': 'armv8'}),
+ PropString('enable-method', False, '|'.join(enable_methods),
+ {'#arch': '!armv8'}),
+ PropPhandle('rockchip,pmu', 'rockchip,rk3288-pmu',
+ cond_props={'enable-method': 'rockchip,rk3066-smp'}),
+ PropSupply('cpu'),
+ ]),
+]
diff --git a/Documentation/devicetree/bindings/arm/pmu.py b/Documentation/devicetree/bindings/arm/pmu.py
new file mode 100644
index 0000000000000..aa475b7293eff
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/pmu.py
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Performance-Monitoring Unit (PMU) bindings
+#
+# not Copyright 2018 Google LLC
+#
+
+from kschema import NodeDesc, PropIntList, PropReg
+
+schema = [
+ NodeDesc('pmu', [
+ 'apm,potenza-pmu',
+ 'arm,armv8-pmuv3',
+ 'arm,cortex-a73-pmu',
+ 'arm,cortex-a72-pmu',
+ 'arm,cortex-a57-pmu',
+ 'arm,cortex-a53-pmu',
+ 'arm,cortex-a35-pmu',
+ 'arm,cortex-a17-pmu',
+ 'arm,cortex-a15-pmu',
+ 'arm,cortex-a12-pmu',
+ 'arm,cortex-a9-pmu',
+ 'arm,cortex-a8-pmu',
+ 'arm,cortex-a7-pmu',
+ 'arm,cortex-a5-pmu',
+ 'arm,arm11mpcore-pmu',
+ 'arm,arm1176-pmu',
+ 'arm,arm1136-pmu',
+ 'brcm,vulcan-pmu',
+ 'cavium,thunder-pmu',
+ 'qcom,scorpion-pmu',
+ 'qcom,scorpion-mp-pmu',
+ 'qcom,krait-pmu',
+ ], False, [
+ PropReg(),
+ PropIntList('interrupts'),
+ ]),
+]
diff --git a/Documentation/devicetree/bindings/arm/rockchip.py b/Documentation/devicetree/bindings/arm/rockchip.py
new file mode 100644
index 0000000000000..991775a63ac52
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/rockchip.py
@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Rockchip platforms device tree bindings
+#
+# Copyright 2018 Google LLC
+#
+
+from kschema import NodeModel
+
+schema = [
+ NodeModel('Google Jerry',
+ ['google,veyron-jerry-rev7', 'google,veyron-jerry-rev6',
+ 'google,veyron-jerry-rev5', 'google,veyron-jerry-rev4',
+ 'google,veyron-jerry-rev3', 'google,veyron-jerry',
+ 'google,veyron', 'rockchip,rk3288']),
+]
diff --git a/Documentation/devicetree/bindings/arm/xilinx.py b/Documentation/devicetree/bindings/arm/xilinx.py
new file mode 100644
index 0000000000000..8901878cfdf31
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/xilinx.py
@@ -0,0 +1,24 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Rockchip platforms device tree bindings
+#
+# Copyright 2018 Google LLC
+#
+
+from kschema import NodeModel
+
+schema = [
+ NodeModel('Digilent Zybo board',
+ ['adapteva,parallella',
+ 'digilent,zynq-zybo',
+ 'digilent,zynq-zybo-z7',
+ 'xlnx,zynq-cc108',
+ 'xlnx,zynq-zc702',
+ 'xlnx,zynq-zc706',
+ 'xlnx,zynq-zc770-xm010',
+ 'xlnx,zynq-zc770-xm011',
+ 'xlnx,zynq-zc770-xm012',
+ 'xlnx,zynq-zc770-xm013',
+ 'xlnx,zynq-7000',
+ ]),
+]
diff --git a/Documentation/devicetree/bindings/base.py b/Documentation/devicetree/bindings/base.py
new file mode 100644
index 0000000000000..9b86b30e12ee3
--- /dev/null
+++ b/Documentation/devicetree/bindings/base.py
@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# base (built-in) bindings
+#
+# Copyright 2018 Google LLC
+#
+
+from kschema import NodeDesc, PropBool
+
+schema = [
+ NodeDesc('simple-bus', ['simple-bus'], False, [
+ PropBool('ranges'),
+ ]),
+]
diff --git a/Documentation/devicetree/bindings/chosen.py b/Documentation/devicetree/bindings/chosen.py
new file mode 100644
index 0000000000000..9df2e6418222a
--- /dev/null
+++ b/Documentation/devicetree/bindings/chosen.py
@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# /chosen bindings
+#
+# Copyright 2018 Google LLC
+#
+
+from kschema import NodeChosen, PropString
+
+schema = [
+ NodeChosen([
+ PropString('bootargs'),
+ PropString('stdout-path'),
+ ]),
+]
diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-dt.py b/Documentation/devicetree/bindings/cpufreq/cpufreq-dt.py
new file mode 100644
index 0000000000000..cb199af8dce5f
--- /dev/null
+++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-dt.py
@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# /cpu bindings
+#
+# Copyright 2018 Google LLC
+#
+
+from kschema import NodeCpu
+from kschema import PropInt
+
+schema1 = [
+ NodeCpu(None, [
+ PropInt('clock-latency'),
+ ])
+ ]
diff --git a/Documentation/devicetree/bindings/fpga/fpga-region.py b/Documentation/devicetree/bindings/fpga/fpga-region.py
new file mode 100644
index 0000000000000..908cb8d3260f3
--- /dev/null
+++ b/Documentation/devicetree/bindings/fpga/fpga-region.py
@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# fpga-region bindings
+#
+# Copyright 2018 Google LLC
+#
+
+from kschema import NodeDesc, PropBool, PropPhandle
+
+schema = [
+ NodeDesc('fpga-region', ['fpga-region'], True, [
+ PropPhandle('fpga-mgr', 'xlnx,zynq-devcfg-1.0'),
+ PropBool('ranges'),
+ ]),
+]
diff --git a/Documentation/devicetree/bindings/iio/adc/xilinx-xadc.py b/Documentation/devicetree/bindings/iio/adc/xilinx-xadc.py
new file mode 100644
index 0000000000000..9f55f48f7cde7
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/xilinx-xadc.py
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+# Xilinx XADC device driver
+
+from kschema import NodeDesc, PropBool, PropClocks, PropInt, PropIntList, PropInterrupts, PropReg, PropStringList
+
+schema = [
+ NodeDesc('xilinx-xadc', ['xlnx,zynq-xadc-1.00.a', 'xlnx,axi-xadc-1.00.a'], False, desc=
+ 'This binding document describes the bindings for both of them since the'
+ 'bindings are very similar. The Xilinx XADC is a ADC that can be found in the'
+ 'series 7 FPGAs from Xilinx. The XADC has a DRP interface for communication.'
+ 'Currently two different frontends for the DRP interface exist. One that is only'
+ 'available on the ZYNQ family as a hardmacro in the SoC portion of the ZYNQ. The'
+ 'other one is available on all series 7 platforms and is a softmacro with a AXI'
+ 'interface. This binding document describes the bindings for both of them since'
+ 'the bindings are very similar.', elements=[
+ PropReg(required=True,
+ desc='Address and length of the register set for the device'),
+ PropInterrupts(required=True,
+ desc='Interrupt for the XADC control interface.'),
+ PropClocks(required=True,
+ desc='When using the ZYNQ this must be the ZYNQ PCAP clock,'
+ 'when using the AXI-XADC pcore this must be the clock that provides the'
+ 'clock to the AXI bus interface of the core.'),
+ PropStringList('xlnx,external-mux', str_pattern='none|single|dual',
+ desc=''),
+ PropIntList('xlnx,external-mux-channel', valid_list='0|1|2|3|4|5|6|7|8|9|10|11|12|13|14|16|1|2|3|4|5|6|8',
+ desc='Configures which pair of pins is used to'
+ 'sample data in external mux mode.'
+ 'Valid values for single external multiplexer mode are:'
+ 'Valid values for dual external multiplexer mode are:'
+ ''
+ 'This property needs to be present if the device is configured for'
+ 'external multiplexer mode (either single or dual). If the device is'
+ 'not using external multiplexer mode the property is ignored.'),
+ NodeDesc('xlnx,channels', None, False, desc=
+ 'List of external channels that are connected to the ADC', elements=[
+ PropInt('#address-cells', required=True,
+ desc='Should be 1.'),
+ PropInt('#size-cells', required=True,
+ desc='Should be 0.'),
+ NodeDesc('None', None, False, desc=
+ 'The child nodes of this node represent the external channels which are'
+ 'connected to the ADC. If the property is no present no external'
+ 'channels will be assumed to be connected.', elements=[
+ NodeDesc('None', None, False, desc=
+ 'Each child node represents one channel and has the following'
+ 'properties:', elements=[
+ PropIntList('reg', required=True, valid_list='0|1|2|3|4|5|6|7|8|9|10|11|12|13|14|16',
+ desc='Pair of pins the channel is connected to.'
+ 'Note each channel number should only be used at most'
+ 'once.'),
+ PropBool('xlnx,bipolar',
+ desc='If set the channel is used in bipolar'
+ 'mode.'),
+ ]),
+ ]),
+ ]),
+ ]),
+ ]
diff --git a/Documentation/devicetree/bindings/iio/adc/xilinx-xadc.txt b/Documentation/devicetree/bindings/iio/adc/xilinx-xadc.txt
index e0e0755cabd8a..24def33e6d6b8 100644
--- a/Documentation/devicetree/bindings/iio/adc/xilinx-xadc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/xilinx-xadc.txt
@@ -32,24 +32,26 @@ Optional properties:
- xlnx,external-mux-channel: Configures which pair of pins is used to
sample data in external mux mode.
Valid values for single external multiplexer mode are:
- 0: VP/VN
- 1: VAUXP[0]/VAUXN[0]
- 2: VAUXP[1]/VAUXN[1]
+ * 0: VP/VN
+ * 1: VAUXP[0]/VAUXN[0]
+ * 2: VAUXP[1]/VAUXN[1]
...
- 16: VAUXP[15]/VAUXN[15]
+ * 16: VAUXP[15]/VAUXN[15]
Valid values for dual external multiplexer mode are:
- 1: VAUXP[0]/VAUXN[0] - VAUXP[8]/VAUXN[8]
- 2: VAUXP[1]/VAUXN[1] - VAUXP[9]/VAUXN[9]
+ * 1: VAUXP[0]/VAUXN[0] - VAUXP[8]/VAUXN[8]
+ * 2: VAUXP[1]/VAUXN[1] - VAUXP[9]/VAUXN[9]
...
- 8: VAUXP[7]/VAUXN[7] - VAUXP[15]/VAUXN[15]
+ * 8: VAUXP[7]/VAUXN[7] - VAUXP[15]/VAUXN[15]

This property needs to be present if the device is configured for
external multiplexer mode (either single or dual). If the device is
not using external multiplexer mode the property is ignored.
- - xnlx,channels: List of external channels that are connected to the ADC
+
+Required subnodes:
+ - xlnx,channels: List of external channels that are connected to the ADC
Required properties:
- * #address-cells: Should be 1.
- * #size-cells: Should be 0.
+ - #address-cells: Should be 1.
+ - #size-cells: Should be 0.

The child nodes of this node represent the external channels which are
connected to the ADC. If the property is no present no external
@@ -58,16 +60,16 @@ Optional properties:
Each child node represents one channel and has the following
properties:
Required properties:
- * reg: Pair of pins the channel is connected to.
- 0: VP/VN
- 1: VAUXP[0]/VAUXN[0]
- 2: VAUXP[1]/VAUXN[1]
+ - reg: Pair of pins the channel is connected to.
+ * 0: VP/VN
+ * 1: VAUXP[0]/VAUXN[0]
+ * 2: VAUXP[1]/VAUXN[1]
...
- 16: VAUXP[15]/VAUXN[15]
+ * 16: VAUXP[15]/VAUXN[15]
Note each channel number should only be used at most
once.
Optional properties:
- * xlnx,bipolar: If set the channel is used in bipolar
+ - xlnx,bipolar: If set the channel is used in bipolar
mode.

diff --git a/Documentation/devicetree/bindings/memory.py b/Documentation/devicetree/bindings/memory.py
new file mode 100644
index 0000000000000..5f11c0bb6aa83
--- /dev/null
+++ b/Documentation/devicetree/bindings/memory.py
@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# /memory bindings
+#
+# Copyright 2018 Google LLC
+#
+
+from kschema import NodeMemory, PropReg, PropString
+
+schema = [
+ NodeMemory([
+ PropString('device_type', True),
+ PropReg(),
+ ]),
+]
diff --git a/Documentation/devicetree/bindings/opp/opp.py b/Documentation/devicetree/bindings/opp/opp.py
new file mode 100644
index 0000000000000..2cede72a3288f
--- /dev/null
+++ b/Documentation/devicetree/bindings/opp/opp.py
@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# operating-point bindings
+#
+# Copyright 2018 Google LLC
+#
+
+from kschema import NodeCpu
+from kschema import PropIntList
+
+schema1 = [
+ NodeCpu(None, [
+ PropIntList('operating-points'),
+ ])
+ ]
diff --git a/Documentation/devicetree/bindings/regulator/fixed-regulator.py b/Documentation/devicetree/bindings/regulator/fixed-regulator.py
new file mode 100644
index 0000000000000..cc51c1dd8a0fd
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/fixed-regulator.py
@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Performance-Monitoring Unit (PMU) bindings
+#
+# not Copyright 2018 Google LLC
+#
+
+from kschema import NodeDesc, PropString
+from regulator import SCHEMA_REGULATOR
+
+schema = [
+ NodeDesc('regulator-fixed', ['regulator-fixed'], False, [
+ ] + SCHEMA_REGULATOR),
+]
diff --git a/Documentation/devicetree/bindings/regulator/regulator.py b/Documentation/devicetree/bindings/regulator/regulator.py
new file mode 100644
index 0000000000000..455af73ac8ea5
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/regulator.py
@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Performance-Monitoring Unit (PMU) bindings
+#
+# not Copyright 2018 Google LLC
+#
+
+from kschema import NodeDesc, PropBool, PropInt, PropPhandleTarget, PropString
+
+SCHEMA_REGULATOR = [
+ PropString('regulator-name', True),
+ PropBool('regulator-always-on'),
+ PropBool('regulator-boot-on'),
+ PropInt('regulator-min-microvolt'),
+ PropInt('regulator-max-microvolt'),
+ PropPhandleTarget(),
+ ];
+
+no_schema = True
diff --git a/Documentation/devicetree/bindings/reserved-memory/reserved-memory.py b/Documentation/devicetree/bindings/reserved-memory/reserved-memory.py
new file mode 100644
index 0000000000000..0f19fc2b61633
--- /dev/null
+++ b/Documentation/devicetree/bindings/reserved-memory/reserved-memory.py
@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# /reserved-memory bindings
+#
+# Copyright 2018 Google LLC
+#
+
+from kschema import NodeReservedMemory, PropBool
+
+schema = [
+ NodeReservedMemory([
+ PropBool('ranges'),
+ ]),
+]
diff --git a/Documentation/devicetree/bindings/thermal/thermal.py b/Documentation/devicetree/bindings/thermal/thermal.py
new file mode 100644
index 0000000000000..a24801937594d
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/thermal.py
@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# /thermal-zone bindings
+#
+# Copyright 2018 Google LLC
+#
+
+from kschema import NodeDesc, NodeThermalZones
+
+schema = [
+ NodeThermalZones([
+ NodeDesc('cpu-thermal', []),
+ NodeDesc('gpu-thermal', []),
+ ]),
+]
diff --git a/Documentation/devicetree/bindings/usb/usb-nop-xceiv.py b/Documentation/devicetree/bindings/usb/usb-nop-xceiv.py
new file mode 100644
index 0000000000000..d71c9f9ba84ad
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/usb-nop-xceiv.py
@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Performance-Monitoring Unit (PMU) bindings
+#
+# not Copyright 2018 Google LLC
+#
+
+from kschema import NodeDesc, PropGpios, PropInt, PropPhandleTarget
+
+schema = [
+ NodeDesc('usb-nop-xceiv', ['usb-nop-xceiv'], False, [
+ PropPhandleTarget(),
+ PropInt('#phy-cells'),
+ PropGpios('reset', 1),
+ ]),
+]
--
2.21.0.593.g511ec345e18-goog

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