dts: update to v5.14-rc1

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

6 files changed, 349 insertions, 3 deletions

diff --git a/dts/Bindings/iio/adc/adc.yaml b/dts/Bindings/iio/adc/adc.yaml
index 912a7635ed..db348fcbb5 100644
--- a/dts/Bindings/iio/adc/adc.yaml
+++ b/dts/Bindings/iio/adc/adc.yaml
@@ -39,4 +39,16 @@ properties:
       The first value specifies the positive input pin, the second
       specifies the negative input pin.
 
+  settling-time-us:
+    description:
+      Time between enabling the channel and first stable readings.
+
+  oversampling-ratio:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Oversampling is used as replacement of or addition to the low-pass filter.
+      In some cases, the desired filtering characteristics are a function the
+      device design and can interact with other characteristics such as
+      settling time.
+
 additionalProperties: true
diff --git a/dts/Bindings/iio/adc/adi,ad7298.yaml b/dts/Bindings/iio/adc/adi,ad7298.yaml
new file mode 100644
index 0000000000..ca414bb396
--- /dev/null
+++ b/dts/Bindings/iio/adc/adi,ad7298.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2019 Analog Devices Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/adi,ad7298.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices AD7298 ADC
+
+maintainers:
+  - Michael Hennerich <michael.hennerich@analog.com>
+
+description: |
+  Bindings for the Analog Devices AD7298 ADC device. Datasheet can be
+  found here:
+    https://www.analog.com/en/products/ad7298.html
+
+properties:
+  compatible:
+    const: adi,ad7298
+
+  reg:
+    maxItems: 1
+
+  vref-supply: true
+  vdd-supply: true
+  spi-max-frequency: true
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    spi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      adc@0 {
+        compatible = "adi,ad7298";
+        reg = <0>;
+        spi-max-frequency = <5000000>;
+        vref-supply = <&adc_vref>;
+      };
+    };
+...
diff --git a/dts/Bindings/iio/adc/adi,ad7476.yaml b/dts/Bindings/iio/adc/adi,ad7476.yaml
new file mode 100644
index 0000000000..cf711082ad
--- /dev/null
+++ b/dts/Bindings/iio/adc/adi,ad7476.yaml
@@ -0,0 +1,174 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2019 Analog Devices Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/adi,ad7476.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: AD7476 and similar simple SPI ADCs from multiple manufacturers.
+
+maintainers:
+  - Michael Hennerich <michael.hennerich@analog.com>
+
+description: |
+  A lot of simple SPI ADCs have very straight forward interfaces.
+  They typically don't provide a MOSI pin, simply reading out data
+  on MISO when the clock toggles.
+
+properties:
+  compatible:
+    enum:
+      - adi,ad7091
+      - adi,ad7091r
+      - adi,ad7273
+      - adi,ad7274
+      - adi,ad7276
+      - adi,ad7277
+      - adi,ad7278
+      - adi,ad7466
+      - adi,ad7467
+      - adi,ad7468
+      - adi,ad7475
+      - adi,ad7476
+      - adi,ad7476a
+      - adi,ad7477
+      - adi,ad7477a
+      - adi,ad7478
+      - adi,ad7478a
+      - adi,ad7495
+      - adi,ad7910
+      - adi,ad7920
+      - adi,ad7940
+      - ti,adc081s
+      - ti,adc101s
+      - ti,adc121s
+      - ti,ads7866
+      - ti,ads7867
+      - ti,ads7868
+      - lltc,ltc2314-14
+
+  reg:
+    maxItems: 1
+
+  vcc-supply:
+    description:
+      Main powersupply voltage for the chips, sometimes referred to as VDD on
+      datasheets.  If there is no separate vref-supply, then this is needed
+      to establish channel scaling.
+
+  vdrive-supply:
+    description:
+      Some devices have separate supply for their digital control side.
+
+  vref-supply:
+    description:
+      Some devices have a specific reference voltage supplied on a different pin
+      to the other supplies. Needed to be able to establish channel scaling
+      unless there is also an internal reference available (e.g. ad7091r)
+
+  spi-max-frequency: true
+
+  adi,conversion-start-gpios:
+    description: A GPIO used to trigger the start of a conversion
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+allOf:
+  # Devices where reference is vcc
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - adi,ad7091
+              - adi,ad7276
+              - adi,ad7277
+              - adi,ad7278
+              - adi,ad7466
+              - adi,ad7467
+              - adi,ad7468
+              - adi,ad7940
+              - ti,adc081s
+              - ti,adc101s
+              - ti,adc121s
+              - ti,ads7866
+              - ti,ads7868
+      required:
+        - vcc-supply
+  # Devices with a vref
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - adi,ad7091r
+              - adi,ad7273
+              - adi,ad7274
+              - adi,ad7475
+              - lltc,ltc2314-14
+    then:
+      properties:
+        vref-supply: true
+    else:
+      properties:
+        vref-supply: false
+  # Devices with a vref where it is not optional
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - adi,ad7273
+              - adi,ad7274
+              - adi,ad7475
+              - lltc,ltc2314-14
+    then:
+      required:
+        - vref-supply
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - adi,ad7475
+              - adi,ad7495
+    then:
+      properties:
+        vdrive-supply: true
+    else:
+      properties:
+        vdrive-supply: false
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - adi,ad7091
+              - adi,ad7091r
+    then:
+      properties:
+        adi,conversion-start-gpios: true
+    else:
+      properties:
+        adi,conversion-start-gpios: false
+
+examples:
+  - |
+    spi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      adc@0 {
+        compatible = "adi,ad7091r";
+        reg = <0>;
+        spi-max-frequency = <5000000>;
+        vcc-supply = <&adc_vcc>;
+        vref-supply = <&adc_vref>;
+      };
+    };
+...
diff --git a/dts/Bindings/iio/adc/amlogic,meson-saradc.yaml b/dts/Bindings/iio/adc/amlogic,meson-saradc.yaml
index 3be8955587..7e8328e9ce 100644
--- a/dts/Bindings/iio/adc/amlogic,meson-saradc.yaml
+++ b/dts/Bindings/iio/adc/amlogic,meson-saradc.yaml
@@ -41,7 +41,6 @@ properties:
 
   clock-names:
     minItems: 2
-    maxItems: 4
     items:
       - const: clkin
       - const: core
diff --git a/dts/Bindings/iio/adc/st,stm32-dfsdm-adc.yaml b/dts/Bindings/iio/adc/st,stm32-dfsdm-adc.yaml
index 1e7894e524..733351dee2 100644
--- a/dts/Bindings/iio/adc/st,stm32-dfsdm-adc.yaml
+++ b/dts/Bindings/iio/adc/st,stm32-dfsdm-adc.yaml
@@ -38,14 +38,12 @@ properties:
           dfsdm clock can also feed CLKOUT, when CLKOUT is used.
       - description: audio clock can be used as an alternate to feed CLKOUT.
     minItems: 1
-    maxItems: 2
 
   clock-names:
     items:
       - const: dfsdm
       - const: audio
     minItems: 1
-    maxItems: 2
 
   "#address-cells":
     const: 1
diff --git a/dts/Bindings/iio/adc/ti,tsc2046.yaml b/dts/Bindings/iio/adc/ti,tsc2046.yaml
new file mode 100644
index 0000000000..601d69971d
--- /dev/null
+++ b/dts/Bindings/iio/adc/ti,tsc2046.yaml
@@ -0,0 +1,115 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/ti,tsc2046.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments TSC2046 touch screen controller.
+
+maintainers:
+  - Oleksij Rempel <o.rempel@pengutronix.de>
+
+description: |
+  TSC2046 is a touch screen controller with 8 channels ADC.
+
+properties:
+  compatible:
+    enum:
+      - ti,tsc2046e-adc
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  spi-max-frequency: true
+
+  "#io-channel-cells":
+    const: 1
+
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 0
+
+required:
+  - compatible
+  - reg
+
+patternProperties:
+  "^channel@[0-7]$":
+    $ref: "adc.yaml"
+    type: object
+
+    properties:
+      reg:
+        description: |
+          The channel number. It can have up to 8 channels
+        items:
+          minimum: 0
+          maximum: 7
+
+      settling-time-us: true
+      oversampling-ratio: true
+
+    required:
+      - reg
+
+    additionalProperties: false
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        adc@0 {
+            compatible = "ti,tsc2046e-adc";
+            reg = <0>;
+            spi-max-frequency = <1000000>;
+            interrupts-extended = <&gpio3 20 IRQ_TYPE_LEVEL_LOW>;
+            #io-channel-cells = <1>;
+
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            channel@0 {
+              reg = <0>;
+            };
+            channel@1 {
+              reg = <1>;
+              settling-time-us = <700>;
+              oversampling-ratio = <5>;
+            };
+            channel@2 {
+              reg = <2>;
+            };
+            channel@3 {
+              reg = <3>;
+              settling-time-us = <700>;
+              oversampling-ratio = <5>;
+            };
+            channel@4 {
+              reg = <4>;
+              settling-time-us = <700>;
+              oversampling-ratio = <5>;
+            };
+            channel@5 {
+              reg = <5>;
+              settling-time-us = <700>;
+              oversampling-ratio = <5>;
+            };
+            channel@6 {
+              reg = <6>;
+            };
+            channel@7 {
+              reg = <7>;
+            };
+        };
+    };
+...