[v10,2/5] dt-bindings: input: cirrus,cs40l50: Add initial DT binding

Commit Message

James Ogletree March 20, 2024, 7:29 p.m. UTC

CS40L50 is a haptic driver with waveform memory,
integrated DSP, and closed-loop algorithms.

Add a YAML DT binding document for this device.

Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: James Ogletree <[e-mail]>
---
 .../bindings/input/cirrus,cs40l50.yaml        | 68 +++++++++++++++++++
 MAINTAINERS                                   |  8 +++
 2 files changed, 76 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/cirrus,cs40l50.yaml

Patch

diff --git a/Documentation/devicetree/bindings/input/cirrus,cs40l50.yaml b/Documentation/devicetree/bindings/input/cirrus,cs40l50.yaml
new file mode 100644
index 000000000000..89bd06864bd4
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/cirrus,cs40l50.yaml
@@ -0,0 +1,68 @@ 
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/cirrus,cs40l50.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus Logic CS40L50 Advanced Haptic Driver
+
+maintainers:
+  - James Ogletree <[e-mail]>
+
+description:
+  CS40L50 is a haptic driver with waveform memory,
+  integrated DSP, and closed-loop algorithms.
+
+properties:
+  compatible:
+    enum:
+      - cirrus,cs40l50
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  reset-gpios:
+    maxItems: 1
+
+  vdd-a-supply:
+    description: Power supply for internal analog circuits.
+
+  vdd-p-supply:
+    description: Power supply for always-on circuits.
+
+  vdd-io-supply:
+    description: Power supply for digital input/output.
+
+  vdd-b-supply:
+    description: Power supply for the boost converter.
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - reset-gpios
+  - vdd-io-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      haptic-driver@34 {
+        compatible = "cirrus,cs40l50";
+        reg = <0x34>;
+        interrupt-parent = <&gpio>;
+        interrupts = <113 IRQ_TYPE_LEVEL_LOW>;
+        reset-gpios = <&gpio 112 GPIO_ACTIVE_LOW>;
+        vdd-io-supply = <&vreg>;
+      };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index dd5de540ec0b..862a18e3fc7b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4933,6 +4933,14 @@  F:	sound/pci/hda/cs*
 F:	sound/pci/hda/hda_cs_dsp_ctl.*
 F:	sound/soc/codecs/cs*
 
+CIRRUS LOGIC HAPTIC DRIVERS
+M:	James Ogletree <[e-mail]>
+M:	Fred Treven <[e-mail]>
+M:	Ben Bright <[e-mail]>
+L:	[e-mail]
+S:	Supported
+F:	Documentation/devicetree/bindings/input/cirrus,cs40l50.yaml
+
 CIRRUS LOGIC DSP FIRMWARE DRIVER
 M:	Simon Trimmer <[e-mail]>
 M:	Charles Keepax <[e-mail]>