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-Dialog Semiconductor DA7280 Haptics bindings
-
-Required properties:
-- compatible: Should be "dlg,da7280".
-- reg: Specifies the I2C slave address.
-
-- interrupt-parent : Specifies the phandle of the interrupt controller to
- which the IRQs from DA7280 are delivered to.
-
-- dlg,actuator-type: Set Actuator type. it should be one of:
- "LRA" - Linear Resonance Actuator type.
- "ERM-bar" - Bar type Eccentric Rotating Mass.
- "ERM-coin" - Coin type Eccentric Rotating Mass.
-
-- dlg,const-op-mode: Haptic operation mode for FF_CONSTANT.
- Possible values:
- 1 - Direct register override(DRO) mode triggered by i2c(default),
- 2 - PWM data source mode controlled by PWM duty,
-- dlg,periodic-op-mode: Haptic operation mode for FF_PERIODIC.
- Possible values:
- 1 - Register triggered waveform memory(RTWM) mode, the pattern
- assigned to the PS_SEQ_ID played as much times as PS_SEQ_LOOP,
- 2 - Edge triggered waveform memory(ETWM) mode, external GPI(N)
- control are required to enable/disable and it needs to keep
- device enabled by sending magnitude (X > 0),
- the pattern is assigned to the GPI(N)_SEQUENCE_ID below.
- The default value is 1 for both of the operation modes.
- For more details, please see the datasheet.
-
-- dlg,nom-microvolt: Nominal actuator voltage rating.
- Valid values: 0 - 6000000.
-- dlg,abs-max-microvolt: Absolute actuator maximum voltage rating.
- Valid values: 0 - 6000000.
-- dlg,imax-microamp: Actuator max current rating.
- Valid values: 0 - 252000.
- Default: 130000.
-- dlg,impd-micro-ohms: the impedance of the actuator in micro ohms.
- Valid values: 0 - 1500000000.
-
-Optional properties:
-- pwms : phandle to the physical PWM(Pulse Width Modulation) device.
- PWM properties should be named "pwms". And number of cell is different
- for each pwm device.
- (See Documentation/devicetree/bindings/pwm/pwm.txt
- for further information relating to pwm properties)
-
-- dlg,ps-seq-id: the PS_SEQ_ID(pattern ID in waveform memory inside chip)
- to play back when RTWM-MODE is enabled.
- Valid range: 0 - 15.
-- dlg,ps-seq-loop: the PS_SEQ_LOOP, Number of times the pre-stored sequence
- pointed to by PS_SEQ_ID or GPI(N)_SEQUENCE_ID is repeated.
- Valid range: 0 - 15.
-- dlg,gpiN-seq-id: the GPI(N)_SEQUENCE_ID, pattern to play
- when gpi0 is triggered, 'N' must be 0 - 2.
- Valid range: 0 - 15.
-- dlg,gpiN-mode: the pattern mode which can select either
- "Single-pattern" or "Multi-pattern", 'N' must be 0 - 2.
-- dlg,gpiN-polarity: gpiN polarity which can be chosen among
- "Rising-edge", "Falling-edge" and "Both-edge",
- 'N' must be 0 - 2
- Haptic will work by this edge option in case of ETWM mode.
-
-- dlg,resonant-freq-hz: use in case of LRA.
- the frequency range: 50 - 300.
- Default: 205.
-
-- dlg,bemf-sens-enable: Enable for internal loop computations.
-- dlg,freq-track-enable: Enable for resonant frequency tracking.
-- dlg,acc-enable: Enable for active acceleration.
-- dlg,rapid-stop-enable: Enable for rapid stop.
-- dlg,amp-pid-enable: Enable for the amplitude PID.
-- dlg,mem-array: Customized waveform memory(patterns) data downloaded to
- the device during initialization. This is an array of 100 values(u8).
-
-For further information, see device datasheet.
-
-======
-
-Example:
-
- haptics: da7280-haptics@4a {
- compatible = "dlg,da7280";
- reg = <0x4a>;
- interrupt-parent = <&gpio6>;
- interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
- dlg,actuator-type = "LRA";
- dlg,dlg,const-op-mode = <1>;
- dlg,dlg,periodic-op-mode = <1>;
- dlg,nom-microvolt = <2000000>;
- dlg,abs-max-microvolt = <2000000>;
- dlg,imax-microamp = <170000>;
- dlg,resonant-freq-hz = <180>;
- dlg,impd-micro-ohms = <10500000>;
- dlg,freq-track-enable;
- dlg,rapid-stop-enable;
- dlg,mem-array = <
- 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
- 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
- 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
- 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
- 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
- 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
- 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
- 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
- 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
- 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
- >;
- };
new file mode 100644
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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/dlg,da7280.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Dialog Semiconductor DA7280 Low Power High-Definition Haptic Driver
+
+maintainers:
+ - Roy Im <roy.im.opensource@diasemi.com>
+
+properties:
+ compatible:
+ const: dlg,da7280
+
+ reg:
+ maxItems: 1
+ description: I2C address of the device.
+
+ interrupts:
+ maxItems: 1
+
+ dlg,actuator-type:
+ enum:
+ - LRA # Linear Resonance Actuator type
+ - ERM-bar # Bar type Eccentric Rotating Mass
+ - ERM-coin # Coin type Eccentric Rotating Mass
+
+ dlg,const-op-mode:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum:
+ - 1 # Direct register override (DRO) mode triggered by i2c (default)
+ - 2 # PWM data source mode controlled by PWM duty
+ description:
+ Haptic operation mode for FF_CONSTANT
+
+ dlg,periodic-op-mode:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum:
+ - 1 # Register triggered waveform memory(RTWM) mode, the pattern
+ # assigned to the PS_SEQ_ID played as much times as PS_SEQ_LOOP
+ - 2 # Edge triggered waveform memory(ETWM) mode, external GPI(N)
+ # control are required to enable/disable and it needs to keep
+ # device enabled by sending magnitude (X > 0),
+ # the pattern is assigned to the GPI(N)_SEQUENCE_ID below
+ default: 1
+ description:
+ Haptic operation mode for FF_PERIODIC.
+ The default value is 1 for both of the operation modes.
+ For more details, please see the datasheet
+
+ dlg,nom-microvolt:
+ minimum: 0
+ maximum: 6000000
+ description:
+ Nominal actuator voltage rating
+
+ dlg,abs-max-microvolt:
+ minimum: 0
+ maximum: 6000000
+ description:
+ Absolute actuator maximum voltage rating
+
+ dlg,imax-microamp:
+ minimum: 0
+ maximum: 252000
+ default: 130000
+ description:
+ Actuator max current rating
+
+ dlg,impd-micro-ohms:
+ minimum: 0
+ maximum: 1500000000
+ description:
+ Impedance of the actuator
+
+ pwms:
+ maxItems: 1
+
+ dlg,ps-seq-id:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 15
+ description:
+ The PS_SEQ_ID(pattern ID in waveform memory inside chip)
+ to play back when RTWM-MODE is enabled
+
+ dlg,ps-seq-loop:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 15
+ description:
+ The PS_SEQ_LOOP, Number of times the pre-stored sequence pointed to by
+ PS_SEQ_ID or GPI(N)_SEQUENCE_ID is repeated
+
+ dlg,gpi0-seq-id:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 15
+ description:
+ the GPI0_SEQUENCE_ID, pattern to play when gpi0 is triggered
+
+ dlg,gpi1-seq-id:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 15
+ description:
+ the GPI1_SEQUENCE_ID, pattern to play when gpi1 is triggered
+
+ dlg,gpi2-seq-id:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 15
+ description:
+ the GPI2_SEQUENCE_ID, pattern to play when gpi2 is triggered
+
+ dlg,gpi0-mode:
+ enum:
+ - Single-pattern
+ - Multi-pattern
+ description:
+ Pattern mode for gpi0
+
+ dlg,gpi1-mode:
+ enum:
+ - Single-pattern
+ - Multi-pattern
+ description:
+ Pattern mode for gpi1
+
+ dlg,gpi2-mode:
+ enum:
+ - Single-pattern
+ - Multi-pattern
+ description:
+ Pattern mode for gpi2
+
+ dlg,gpi0-polarity:
+ enum:
+ - Rising-edge
+ - Falling-edge
+ - Both-edge
+ description:
+ gpi0 polarity, Haptic will work by this edge option in case of ETWM mode
+
+ dlg,gpi1-polarity:
+ enum:
+ - Rising-edge
+ - Falling-edge
+ - Both-edge
+ description:
+ gpi1 polarity, Haptic will work by this edge option in case of ETWM mode
+
+ dlg,gpi2-polarity:
+ enum:
+ - Rising-edge
+ - Falling-edge
+ - Both-edge
+ description:
+ gpi2 polarity, Haptic will work by this edge option in case of ETWM mode
+
+ dlg,resonant-freq-hz:
+ minimum: 50
+ maximum: 300
+ default: 205
+
+ dlg,bemf-sens-enable:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description:
+ Enable for internal loop computations
+
+ dlg,freq-track-enable:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description:
+ Enable for resonant frequency tracking
+
+ dlg,acc-enable:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description:
+ Enable for active acceleration
+
+ dlg,rapid-stop-enable:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description:
+ Enable for rapid stop
+
+ dlg,amp-pid-enable:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description:
+ Enable for the amplitude PID
+
+ dlg,mem-array:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 100
+ description:
+ Customized waveform memory (patterns) data downloaded to the device during initialization.
+ Each entry value must be included between 0 and 255.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - dlg,actuator-type
+ - dlg,const-op-mode
+ - dlg,periodic-op-mode
+ - dlg,nom-microvolt
+ - dlg,abs-max-microvolt
+ - dlg,imax-microamp
+ - dlg,impd-micro-ohms
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ haptics@4a {
+ compatible = "dlg,da7280";
+ reg = <0x4a>;
+ interrupt-parent = <&gpio6>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ dlg,actuator-type = "LRA";
+ dlg,const-op-mode = <1>;
+ dlg,periodic-op-mode = <1>;
+ dlg,nom-microvolt = <2000000>;
+ dlg,abs-max-microvolt = <2000000>;
+ dlg,imax-microamp = <170000>;
+ dlg,resonant-freq-hz = <180>;
+ dlg,impd-micro-ohms = <10500000>;
+ dlg,freq-track-enable;
+ dlg,rapid-stop-enable;
+ dlg,mem-array = <0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+ 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+ 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+ 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+ 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+ 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+ 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+ 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+ 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
+ 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00>;
+ };
+ };
Convert the Dialog Semiconductor DA7280 Low Power High-Definition Haptic Driver bindings to dt-schema. Due to the implementation and usage in DT the array must be an uint32 array. Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> --- Changes in v2: - Switched to flag instead of boolean - Switched the array to unit32_t, because this is how it was defined in the txt, DT and driver - Link to v1: https://lore.kernel.org/r/20241204-topic-misc-da7280-convert-v1-1-0f89971beca9@linaro.org --- .../devicetree/bindings/input/dlg,da7280.txt | 108 --------- .../devicetree/bindings/input/dlg,da7280.yaml | 248 +++++++++++++++++++++ 2 files changed, 248 insertions(+), 108 deletions(-) --- base-commit: c245a7a79602ccbee780c004c1e4abcda66aec32 change-id: 20241204-topic-misc-da7280-convert-20efaad588ca Best regards,