diff mbox series

[1/4] dt-bindings: input: add Qualcomm QPNP haptics driver

Message ID 20210612205405.1233588-2-caleb@connolly.tech (mailing list archive)
State New
Headers show
Series [1/4] dt-bindings: input: add Qualcomm QPNP haptics driver | expand

Commit Message

Caleb Connolly June 12, 2021, 8:54 p.m. UTC
Add bindings for pmi8998 qpnp haptics driver.

Signed-off-by: Caleb Connolly <caleb@connolly.tech>
---
 .../bindings/input/qcom,qpnp-haptics.yaml     | 123 ++++++++++++++++++
 include/dt-bindings/input/qcom,qpnp-haptics.h |  31 +++++
 2 files changed, 154 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/qcom,qpnp-haptics.yaml
 create mode 100644 include/dt-bindings/input/qcom,qpnp-haptics.h

--
2.31.1

Comments

Bjorn Andersson June 13, 2021, 4:18 a.m. UTC | #1
On Sat 12 Jun 15:54 CDT 2021, Caleb Connolly wrote:

> Add bindings for pmi8998 qpnp haptics driver.
> 
> Signed-off-by: Caleb Connolly <caleb@connolly.tech>
> ---
>  .../bindings/input/qcom,qpnp-haptics.yaml     | 123 ++++++++++++++++++
>  include/dt-bindings/input/qcom,qpnp-haptics.h |  31 +++++
>  2 files changed, 154 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/input/qcom,qpnp-haptics.yaml
>  create mode 100644 include/dt-bindings/input/qcom,qpnp-haptics.h
> 
> diff --git a/Documentation/devicetree/bindings/input/qcom,qpnp-haptics.yaml b/Documentation/devicetree/bindings/input/qcom,qpnp-haptics.yaml
> new file mode 100644
> index 000000000000..81dd8d6321f0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/qcom,qpnp-haptics.yaml
> @@ -0,0 +1,123 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright 2020 Unisoc Inc.
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/input/qcom,qpnp-haptics.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Technologies Inc PMI8998 QPNP haptics
> +
> +maintainers:
> +  - Caleb Connolly <caleb@connolly.tech>
> +
> +description: |
> +  QPNP (Qualcomm Technologies, Inc. Plug N Play) Haptics is a peripheral on some
> +  QTI PMICs. It supports linear resonant actuators commonly found in mobile devices.

Please avoid the Plug'n Play naming, just go with Qualcomm SPMI Haptics

> +
> +properties:
> +  compatible:
> +    enum:
> +      - qcom,qpnp-haptics

qcom,spmi-haptics

But could we also have some pmic-specific compatibles in the binding?
Even though we might not need them in the driver today.

> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    minItems: 2

I don't think you need minItems, when you list the "items"

> +    items:
> +      - description: short circuit interrupt
> +      - description: play interrupt
> +
> +  interrupt-names:
> +    minItems: 2
> +    items:
> +      - const: short
> +      - const: play
> +
> +  qcom,actuator-type:
> +    description: |
> +      The type of actuator attached to the hardware.
> +      Allowed values are,
> +        0 - HAP_TYPE_LRA
> +        1 - HAP_TYPE_ERM
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    enum: [ 0, 1 ]
> +    default: 0
> +
> +  qcom,wave-shape:
> +    description: |
> +      Selects the wave shape to use.
> +      Allowed values are,
> +        0 - HAP_WAVE_SINE
> +        1 - HAP_WAVE_SQUARE
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    enum: [ 0, 1 ]
> +    default: 0
> +
> +  qcom,play-mode:
> +    description: |
> +      Selects the play mode to use.
> +      Allowed values are,
> +        0 - HAP_PLAY_DIRECT
> +        1 - HAP_PLAY_BUFFER
> +        2 - HAP_PLAY_AUDIO
> +        3 - HAP_PLAY_PWM
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    enum: [ 0, 1, 2, 3 ]
> +    default: 2
> +
> +  qcom,wave-play-rate-us:
> +    description: |
> +      Wave sample durection in microseconds, 1/f where f
> +      is the resonant frequency of the actuator.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    minimum: 0
> +    maximum: 20475
> +
> +  qcom,brake-pattern:
> +    minItems: 4

It's also maxItems: 4, right?

> +    description: |
> +      The brake pattern are the strengths of the pattern
> +      used to brake the haptics. Allowed values are,
> +        0 - 0V
> +        1 - Vmax/4
> +        2 - Vmax/2
> +        3 - Vmax
> +    $ref: /schemas/types.yaml#/definitions/uint32-array
> +    default: [0x3, 0x3, 0x2, 0x1]
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - qcom,wave-play-rate-us
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/spmi/spmi.h>
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    #include <dt-bindings/input/qcom,qpnp-haptics.h>

Would be nice with a blank line here.

> +    pmi8998_lsid1: pmic@3 {
> +      compatible = "qcom,pmi8998", "qcom,spmi-pmic";
> +      reg = <0x3 SPMI_USID>;
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      qpnp_haptics: qcom,haptics@c000 {

No "qcom," in the node name please.

> +        compatible = "qcom,qpnp-haptics";
> +        reg = <0xc000 0x100>;

With #size-cells = <0> this means that you have 2 regs, but binding says
that you may only have one.

> +
> +        interrupts = <0x3 0xc0 0x0 IRQ_TYPE_EDGE_BOTH>,
> +              <0x3 0xc0 0x1 IRQ_TYPE_EDGE_BOTH>;

I don't think the '<' on those two lines are lining up.

Regards,
Bjorn

> +        interrupt-names = "short", "play";
> +
> +        qcom,actuator-type = <HAP_TYPE_LRA>;
> +        qcom,wave-shape = <HAP_WAVE_SINE>;
> +        qcom,play-mode = <HAP_PLAY_BUFFER>;
> +        qcom,brake-pattern = <0x3 0x3 0x2 0x1>;
> +
> +        qcom,wave-play-rate-us = <4255>;
> +      };
> +    };
> diff --git a/include/dt-bindings/input/qcom,qpnp-haptics.h b/include/dt-bindings/input/qcom,qpnp-haptics.h
> new file mode 100644
> index 000000000000..bfbec041484c
> --- /dev/null
> +++ b/include/dt-bindings/input/qcom,qpnp-haptics.h
> @@ -0,0 +1,31 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +/*
> + * This header provides constants for pmi8998 qpnp haptics options.
> + */
> +
> +#ifndef _DT_BINDINGS_QCOM_PMIC_QPNP_HAPTICS_
> +#define _DT_BINDINGS_QCOM_PMIC_QPNP_HAPTICS_
> +
> +// Actuator types
> +#define HAP_TYPE_LRA		0
> +#define HAP_TYPE_ERM		1
> +
> +// LRA Wave type
> +#define HAP_WAVE_SINE		0
> +#define HAP_WAVE_SQUARE		1
> +
> +// Play modes
> +#define HAP_PLAY_DIRECT		0
> +#define HAP_PLAY_BUFFER		1
> +#define HAP_PLAY_AUDIO		2
> +#define HAP_PLAY_PWM		3
> +
> +#define HAP_PLAY_MAX		HAP_PLAY_PWM
> +
> +#define HAP_AUTO_RES_NONE	0
> +#define HAP_AUTO_RES_ZXD	1
> +#define HAP_AUTO_RES_QWD	2
> +#define HAP_AUTO_RES_MAX_QWD	3
> +#define HAP_AUTO_RES_ZXD_EOP	4
> +
> +#endif /* _DT_BINDINGS_QCOM_PMIC_QPNP_HAPTICS_ */
> --
> 2.31.1
> 
>
Rob Herring June 14, 2021, 1:39 p.m. UTC | #2
On Sat, 12 Jun 2021 20:54:31 +0000, Caleb Connolly wrote:
> Add bindings for pmi8998 qpnp haptics driver.
> 
> Signed-off-by: Caleb Connolly <caleb@connolly.tech>
> ---
>  .../bindings/input/qcom,qpnp-haptics.yaml     | 123 ++++++++++++++++++
>  include/dt-bindings/input/qcom,qpnp-haptics.h |  31 +++++
>  2 files changed, 154 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/input/qcom,qpnp-haptics.yaml
>  create mode 100644 include/dt-bindings/input/qcom,qpnp-haptics.h
> 

My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
on your patch (DT_CHECKER_FLAGS is new in v5.13):

yamllint warnings/errors:

dtschema/dtc warnings/errors:
Documentation/devicetree/bindings/input/qcom,qpnp-haptics.example.dt.yaml:0:0: /example-0/pmic@3: failed to match any schema with compatible: ['qcom,pmi8998', 'qcom,spmi-pmic']
Documentation/devicetree/bindings/input/qcom,qpnp-haptics.example.dt.yaml:0:0: /example-0/pmic@3: failed to match any schema with compatible: ['qcom,pmi8998', 'qcom,spmi-pmic']
\ndoc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/patch/1491323

This check can fail if there are any dependencies. The base for a patch
series is generally the most recent rc1.

If you already ran 'make dt_binding_check' and didn't see the above
error(s), then make sure 'yamllint' is installed and dt-schema is up to
date:

pip3 install dtschema --upgrade

Please check and re-submit.
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/input/qcom,qpnp-haptics.yaml b/Documentation/devicetree/bindings/input/qcom,qpnp-haptics.yaml
new file mode 100644
index 000000000000..81dd8d6321f0
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/qcom,qpnp-haptics.yaml
@@ -0,0 +1,123 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright 2020 Unisoc Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/qcom,qpnp-haptics.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies Inc PMI8998 QPNP haptics
+
+maintainers:
+  - Caleb Connolly <caleb@connolly.tech>
+
+description: |
+  QPNP (Qualcomm Technologies, Inc. Plug N Play) Haptics is a peripheral on some
+  QTI PMICs. It supports linear resonant actuators commonly found in mobile devices.
+
+properties:
+  compatible:
+    enum:
+      - qcom,qpnp-haptics
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    minItems: 2
+    items:
+      - description: short circuit interrupt
+      - description: play interrupt
+
+  interrupt-names:
+    minItems: 2
+    items:
+      - const: short
+      - const: play
+
+  qcom,actuator-type:
+    description: |
+      The type of actuator attached to the hardware.
+      Allowed values are,
+        0 - HAP_TYPE_LRA
+        1 - HAP_TYPE_ERM
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 0, 1 ]
+    default: 0
+
+  qcom,wave-shape:
+    description: |
+      Selects the wave shape to use.
+      Allowed values are,
+        0 - HAP_WAVE_SINE
+        1 - HAP_WAVE_SQUARE
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 0, 1 ]
+    default: 0
+
+  qcom,play-mode:
+    description: |
+      Selects the play mode to use.
+      Allowed values are,
+        0 - HAP_PLAY_DIRECT
+        1 - HAP_PLAY_BUFFER
+        2 - HAP_PLAY_AUDIO
+        3 - HAP_PLAY_PWM
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 0, 1, 2, 3 ]
+    default: 2
+
+  qcom,wave-play-rate-us:
+    description: |
+      Wave sample durection in microseconds, 1/f where f
+      is the resonant frequency of the actuator.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 20475
+
+  qcom,brake-pattern:
+    minItems: 4
+    description: |
+      The brake pattern are the strengths of the pattern
+      used to brake the haptics. Allowed values are,
+        0 - 0V
+        1 - Vmax/4
+        2 - Vmax/2
+        3 - Vmax
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    default: [0x3, 0x3, 0x2, 0x1]
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - qcom,wave-play-rate-us
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/spmi/spmi.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/input/qcom,qpnp-haptics.h>
+    pmi8998_lsid1: pmic@3 {
+      compatible = "qcom,pmi8998", "qcom,spmi-pmic";
+      reg = <0x3 SPMI_USID>;
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      qpnp_haptics: qcom,haptics@c000 {
+        compatible = "qcom,qpnp-haptics";
+        reg = <0xc000 0x100>;
+
+        interrupts = <0x3 0xc0 0x0 IRQ_TYPE_EDGE_BOTH>,
+              <0x3 0xc0 0x1 IRQ_TYPE_EDGE_BOTH>;
+        interrupt-names = "short", "play";
+
+        qcom,actuator-type = <HAP_TYPE_LRA>;
+        qcom,wave-shape = <HAP_WAVE_SINE>;
+        qcom,play-mode = <HAP_PLAY_BUFFER>;
+        qcom,brake-pattern = <0x3 0x3 0x2 0x1>;
+
+        qcom,wave-play-rate-us = <4255>;
+      };
+    };
diff --git a/include/dt-bindings/input/qcom,qpnp-haptics.h b/include/dt-bindings/input/qcom,qpnp-haptics.h
new file mode 100644
index 000000000000..bfbec041484c
--- /dev/null
+++ b/include/dt-bindings/input/qcom,qpnp-haptics.h
@@ -0,0 +1,31 @@ 
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * This header provides constants for pmi8998 qpnp haptics options.
+ */
+
+#ifndef _DT_BINDINGS_QCOM_PMIC_QPNP_HAPTICS_
+#define _DT_BINDINGS_QCOM_PMIC_QPNP_HAPTICS_
+
+// Actuator types
+#define HAP_TYPE_LRA		0
+#define HAP_TYPE_ERM		1
+
+// LRA Wave type
+#define HAP_WAVE_SINE		0
+#define HAP_WAVE_SQUARE		1
+
+// Play modes
+#define HAP_PLAY_DIRECT		0
+#define HAP_PLAY_BUFFER		1
+#define HAP_PLAY_AUDIO		2
+#define HAP_PLAY_PWM		3
+
+#define HAP_PLAY_MAX		HAP_PLAY_PWM
+
+#define HAP_AUTO_RES_NONE	0
+#define HAP_AUTO_RES_ZXD	1
+#define HAP_AUTO_RES_QWD	2
+#define HAP_AUTO_RES_MAX_QWD	3
+#define HAP_AUTO_RES_ZXD_EOP	4
+
+#endif /* _DT_BINDINGS_QCOM_PMIC_QPNP_HAPTICS_ */