| Message ID | 20241219-mdb-max7360-support-v1-2-8e8317584121@bootlin.com |
|---|---|
| State | New |
| Headers | show |
| Series | Add support for MAX7360 multifunction device | expand |
Hello, On Thu, Dec 19, 2024 at 05:21:19PM +0100, Mathieu Dubois-Briand wrote: > diff --git a/Documentation/devicetree/bindings/pwm/max7360-pwm.yaml b/Documentation/devicetree/bindings/pwm/max7360-pwm.yaml > new file mode 100644 > index 000000000000..68d48969e542 > --- /dev/null > +++ b/Documentation/devicetree/bindings/pwm/max7360-pwm.yaml > @@ -0,0 +1,35 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/pwm/max7360-pwm.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Maxim MAX7360 PWM controller > + > +maintainers: > + - Kamel Bouhara <kamel.bouhara@bootlin.com> > + > +description: | > + Maxim MAX7360 PWM controller, in MAX7360 MFD > + https://www.analog.com/en/products/max7360.html > + > +properties: > + compatible: > + enum: > + - maxim,max7360-pwm > + > + "#pwm-cells": > + const: 2 Please make this 3. > +required: > + - compatible > + > +additionalProperties: false > + > +examples: > + - | > + max7360_pwm: max7360_pwm { > + compatible = "maxim,max7360-pwm"; > + #pwm-cells = <2>; > + };
On 19/12/2024 17:21, Mathieu Dubois-Briand wrote: > --- > .../devicetree/bindings/gpio/max7360-gpio.yaml | 96 ++++++++++++++++++++++ > .../devicetree/bindings/input/max7360-keypad.yaml | 67 +++++++++++++++ > .../devicetree/bindings/input/max7360-rotary.yaml | 52 ++++++++++++ > .../devicetree/bindings/pwm/max7360-pwm.yaml | 35 ++++++++ > 4 files changed, 250 insertions(+) I don't understand how this patchset was split. MFD binding cannot be empty and cannot be before child devices. All filenames are wrong here: use compatibles. > > diff --git a/Documentation/devicetree/bindings/gpio/max7360-gpio.yaml b/Documentation/devicetree/bindings/gpio/max7360-gpio.yaml > new file mode 100644 > index 000000000000..3c006dc0380b > --- /dev/null > +++ b/Documentation/devicetree/bindings/gpio/max7360-gpio.yaml > @@ -0,0 +1,96 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/gpio/max7360-gpio.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Maxim MAX7360 GPIO controller > + > +maintainers: > + - Kamel Bouhara <kamel.bouhara@bootlin.com> > + - Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com> > + > +description: | > + Maxim MAX7360 GPIO controller, in MAX7360 MFD > + https://www.analog.com/en/products/max7360.html > + > +properties: > + compatible: > + enum: > + - maxim,max7360-gpio > + - maxim,max7360-gpo Why? What are the differences? > + > + gpio-controller: true > + > + "#gpio-cells": > + const: 2 > + > + ngpios: > + minimum: 0 > + maximum: 8 Why this is flexible? > + > + interrupt-controller: true > + > + "#interrupt-cells": > + const: 2 > + > + interrupts: > + description: The interrupt line the device is connected to. Drop > + maxItems: 1 > + > + constant-current-disable: You always need vendor prefix. > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: Bit field, each bit disables constant-current output of the > + associated GPIO. Oddly aligned. Missing constraints. > + > + > +required: > + - compatible > + - gpio-controller > + - ngpios > + > +if: > + properties: > + compatible: > + contains: > + enum: > + - maxim,max7360-gpio > +then: > + required: > + - interrupt-controller > + - interrupts > +else: > + properties: > + interrupt-controller: false > + interrupts: false > + constant-current-disable: false > + > + ngpios: > + maximum: 6 > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + > + max7360_gpo: max7360_gpo { Plaese follow DTS coding style. Keep only one, complete example. > + compatible = "maxim,max7360-gpo"; > + gpio-controller; > + #gpio-cells = <0x2>; > + ngpios = <4>; Odd indentation. Your MFD patch had very different one. > + }; > + > + max7360_gpio: max7360_gpio { > + compatible = "maxim,max7360-gpio"; > + > + gpio-controller; > + #gpio-cells = <0x2>; > + ngpios = <8>; > + constant-current-disable = <0x06>; > + > + interrupt-controller; > + #interrupt-cells = <0x2>; > + interrupt-parent = <&gpio1>; > + interrupts = <23 IRQ_TYPE_LEVEL_LOW>; > + }; > diff --git a/Documentation/devicetree/bindings/input/max7360-keypad.yaml b/Documentation/devicetree/bindings/input/max7360-keypad.yaml > new file mode 100644 > index 000000000000..8bc3c841465b > --- /dev/null > +++ b/Documentation/devicetree/bindings/input/max7360-keypad.yaml > @@ -0,0 +1,67 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/input/max7360-keypad.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Maxim MAX7360 Keypad Controller > + > +maintainers: > + - Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com> > + > +description: | > + Maxim MAX7360 Keypad Controller, in MAX7360 MFD > + https://www.analog.com/en/products/max7360.html > + > +allOf: > + - $ref: matrix-keymap.yaml# > + - $ref: input.yaml# > + > +properties: > + compatible: > + enum: > + - maxim,max7360-keypad > + > + interrupts: > + description: The interrupt line the device is connected to. Really? Each separate device has its own interrupt line? How is it possible if diagram here: https://www.analog.com/en/products/max7360.html has only one interrupt? Fold the binding into the parent node. > + maxItems: 1 > + > + debounce-delay-ms: > + description: Debounce delay in ms > + minimum: 9 > + maximum: 40 > + default: 9 > + > + linux,input-no-autorepeat: > + description: If present, the keys will not autorepeat when pressed > + > +required: > + - compatible > + - interrupts > + - linux,keymap > + > +unevaluatedProperties: false > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + #include <dt-bindings/input/input.h> > + > + max7360_keypad { Node names should be generic. See also an explanation and list of examples (not exhaustive) in DT specification: https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation Please read and follow DTS coding style. > + compatible = "maxim,max7360-keypad"; > + > + keypad,num-rows = <8>; > + keypad,num-columns = <4>; > + > + linux,keymap = < > + MATRIX_KEY(0x00, 0x00, KEY_F5) > + MATRIX_KEY(0x01, 0x00, KEY_F4) > + MATRIX_KEY(0x02, 0x01, KEY_F6) > + >; > + > + interrupt-parent = <&gpio1>; > + interrupts = <23 IRQ_TYPE_LEVEL_LOW>; > + > + debounce-delay-ms = <10>; > + linux,input-no-autorepeat; > + }; > diff --git a/Documentation/devicetree/bindings/input/max7360-rotary.yaml b/Documentation/devicetree/bindings/input/max7360-rotary.yaml > new file mode 100644 > index 000000000000..19afa8344249 > --- /dev/null > +++ b/Documentation/devicetree/bindings/input/max7360-rotary.yaml > @@ -0,0 +1,52 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/input/max7360-rotary.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Maxim MAX7360 Rotary Encoder > + > +maintainers: > + - Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com> > + > +description: | > + Maxim MAX7360 Rotary Encoder, in MAX7360 MFD > + https://www.analog.com/en/products/max7360.html > + > +properties: > + compatible: > + enum: > + - maxim,max7360-rotary > + > + interrupts: > + description: The interrupt line the device is connected to. > + maxItems: 1 > + > + debounce-delay-ms: > + description: Debounce delay in ms > + minimum: 0 > + maximum: 15 > + default: 0 > + > + linux,axis: > + description: The input subsystem axis to map to this rotary encoder. > + Fold into parent node. > +description: | > + Maxim MAX7360 PWM controller, in MAX7360 MFD > + https://www.analog.com/en/products/max7360.html > + > +properties: > + compatible: > + enum: > + - maxim,max7360-pwm > + > + "#pwm-cells": > + const: 2 > + > + Fold into parent. Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/gpio/max7360-gpio.yaml b/Documentation/devicetree/bindings/gpio/max7360-gpio.yaml new file mode 100644 index 000000000000..3c006dc0380b --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/max7360-gpio.yaml @@ -0,0 +1,96 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/max7360-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX7360 GPIO controller + +maintainers: + - Kamel Bouhara <kamel.bouhara@bootlin.com> + - Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com> + +description: | + Maxim MAX7360 GPIO controller, in MAX7360 MFD + https://www.analog.com/en/products/max7360.html + +properties: + compatible: + enum: + - maxim,max7360-gpio + - maxim,max7360-gpo + + gpio-controller: true + + "#gpio-cells": + const: 2 + + ngpios: + minimum: 0 + maximum: 8 + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + + interrupts: + description: The interrupt line the device is connected to. + maxItems: 1 + + constant-current-disable: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Bit field, each bit disables constant-current output of the + associated GPIO. + + +required: + - compatible + - gpio-controller + - ngpios + +if: + properties: + compatible: + contains: + enum: + - maxim,max7360-gpio +then: + required: + - interrupt-controller + - interrupts +else: + properties: + interrupt-controller: false + interrupts: false + constant-current-disable: false + + ngpios: + maximum: 6 + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + max7360_gpo: max7360_gpo { + compatible = "maxim,max7360-gpo"; + gpio-controller; + #gpio-cells = <0x2>; + ngpios = <4>; + }; + + max7360_gpio: max7360_gpio { + compatible = "maxim,max7360-gpio"; + + gpio-controller; + #gpio-cells = <0x2>; + ngpios = <8>; + constant-current-disable = <0x06>; + + interrupt-controller; + #interrupt-cells = <0x2>; + interrupt-parent = <&gpio1>; + interrupts = <23 IRQ_TYPE_LEVEL_LOW>; + }; diff --git a/Documentation/devicetree/bindings/input/max7360-keypad.yaml b/Documentation/devicetree/bindings/input/max7360-keypad.yaml new file mode 100644 index 000000000000..8bc3c841465b --- /dev/null +++ b/Documentation/devicetree/bindings/input/max7360-keypad.yaml @@ -0,0 +1,67 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/max7360-keypad.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX7360 Keypad Controller + +maintainers: + - Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com> + +description: | + Maxim MAX7360 Keypad Controller, in MAX7360 MFD + https://www.analog.com/en/products/max7360.html + +allOf: + - $ref: matrix-keymap.yaml# + - $ref: input.yaml# + +properties: + compatible: + enum: + - maxim,max7360-keypad + + interrupts: + description: The interrupt line the device is connected to. + maxItems: 1 + + debounce-delay-ms: + description: Debounce delay in ms + minimum: 9 + maximum: 40 + default: 9 + + linux,input-no-autorepeat: + description: If present, the keys will not autorepeat when pressed + +required: + - compatible + - interrupts + - linux,keymap + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/input/input.h> + + max7360_keypad { + compatible = "maxim,max7360-keypad"; + + keypad,num-rows = <8>; + keypad,num-columns = <4>; + + linux,keymap = < + MATRIX_KEY(0x00, 0x00, KEY_F5) + MATRIX_KEY(0x01, 0x00, KEY_F4) + MATRIX_KEY(0x02, 0x01, KEY_F6) + >; + + interrupt-parent = <&gpio1>; + interrupts = <23 IRQ_TYPE_LEVEL_LOW>; + + debounce-delay-ms = <10>; + linux,input-no-autorepeat; + }; diff --git a/Documentation/devicetree/bindings/input/max7360-rotary.yaml b/Documentation/devicetree/bindings/input/max7360-rotary.yaml new file mode 100644 index 000000000000..19afa8344249 --- /dev/null +++ b/Documentation/devicetree/bindings/input/max7360-rotary.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/max7360-rotary.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX7360 Rotary Encoder + +maintainers: + - Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com> + +description: | + Maxim MAX7360 Rotary Encoder, in MAX7360 MFD + https://www.analog.com/en/products/max7360.html + +properties: + compatible: + enum: + - maxim,max7360-rotary + + interrupts: + description: The interrupt line the device is connected to. + maxItems: 1 + + debounce-delay-ms: + description: Debounce delay in ms + minimum: 0 + maximum: 15 + default: 0 + + linux,axis: + description: The input subsystem axis to map to this rotary encoder. + +required: + - compatible + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + max7360_rotary: max7360_rotary { + compatible = "maxim,max7360-rotary"; + + debounce-delay-ms = <2>; + linux,axis = <0>; /* REL_X */ + + interrupt-parent = <&gpio1>; + interrupts = <23 IRQ_TYPE_LEVEL_LOW>; + }; diff --git a/Documentation/devicetree/bindings/pwm/max7360-pwm.yaml b/Documentation/devicetree/bindings/pwm/max7360-pwm.yaml new file mode 100644 index 000000000000..68d48969e542 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/max7360-pwm.yaml @@ -0,0 +1,35 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/max7360-pwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim MAX7360 PWM controller + +maintainers: + - Kamel Bouhara <kamel.bouhara@bootlin.com> + +description: | + Maxim MAX7360 PWM controller, in MAX7360 MFD + https://www.analog.com/en/products/max7360.html + +properties: + compatible: + enum: + - maxim,max7360-pwm + + "#pwm-cells": + const: 2 + + +required: + - compatible + +additionalProperties: false + +examples: + - | + max7360_pwm: max7360_pwm { + compatible = "maxim,max7360-pwm"; + #pwm-cells = <2>; + };
Add device tree bindings for Maxim Integrated MAX7360 MFD functions: keypad, rotary, gpios and pwm. Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com> --- .../devicetree/bindings/gpio/max7360-gpio.yaml | 96 ++++++++++++++++++++++ .../devicetree/bindings/input/max7360-keypad.yaml | 67 +++++++++++++++ .../devicetree/bindings/input/max7360-rotary.yaml | 52 ++++++++++++ .../devicetree/bindings/pwm/max7360-pwm.yaml | 35 ++++++++ 4 files changed, 250 insertions(+)