Changes in V2:
- Fix checkpatch warnings
James Ogletree (2):
dt-bindings: input: cirrus,cs40l50: Support for CS40L50
Input: cs40l50 - Initial support for Cirrus Logic CS40L50
.../bindings/input/cirrus,cs40l50.yaml | 77 ++
MAINTAINERS | 11 +
drivers/input/misc/Kconfig | 33 +
drivers/input/misc/Makefile | 3 +
drivers/input/misc/cs40l50-i2c.c | 67 ++
drivers/input/misc/cs40l50-spi.c | 67 ++
drivers/input/misc/cs40l50.c | 1013 +++++++++++++++++
include/linux/input/cs40l50.h | 321 ++++++
8 files changed, 1592 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/cirrus,cs40l50.yaml
create mode 100644 drivers/input/misc/cs40l50-i2c.c
create mode 100644 drivers/input/misc/cs40l50-spi.c
create mode 100644 drivers/input/misc/cs40l50.c
create mode 100644 include/linux/input/cs40l50.h
--
2.25.1
Introduce device tree bindings for the initial commit
of the CS40L50 driver.
Signed-off-by: James Ogletree <[email protected]>
---
.../bindings/input/cirrus,cs40l50.yaml | 77 +++++++++++++++++++
MAINTAINERS | 9 +++
2 files changed, 86 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/cirrus,cs40l50.yaml
diff --git a/Documentation/devicetree/bindings/input/cirrus,cs40l50.yaml b/Documentation/devicetree/bindings/input/cirrus,cs40l50.yaml
new file mode 100644
index 000000000000..5437c6beb1b3
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/cirrus,cs40l50.yaml
@@ -0,0 +1,77 @@
+# 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 <[email protected]>
+
+description:
+ CS40L50 is a Haptic Driver with Waveform Memory DSP
+ and Closed-Loop Algorithms
+
+properties:
+ compatible:
+ enum:
+ - cirrus,cs40l50
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ reset-gpios:
+ maxItems: 1
+
+ VA-supply:
+ description: Regulator for analog voltage
+
+ VP-supply:
+ description: Regulator for peak voltage
+
+ VIO-supply:
+ description: Regulator for digital IO voltage
+
+ cirrus,external-boost:
+ description:
+ Bypass the CS40L50 boost converter.
+
+ The amplifier on CS40L50 can be powered internally through the boost
+ converter, or else can be powered using an external supply. If an
+ external VA supply is used, the boost converter must be bypassed.
+ type: boolean
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - reset-gpios
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/input/input.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cs40l50@34 {
+ compatible = "cirrus,cs40l50";
+ reg = <0x34>;
+ interrupt-parent = <&gpio>;
+ interrupts = <113 IRQ_TYPE_LEVEL_LOW>;
+ reset-gpios = <&gpio 112 GPIO_ACTIVE_LOW>;
+ VA-supply = <&dummy_vreg>;
+ VP-supply = <&dummy_vreg>;
+ VIO-supply = <&dummy_vreg>;
+ cirrus,external-boost;
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 54ef320bb689..016e5ff3b831 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2081,6 +2081,15 @@ F: arch/arm/boot/compressed/misc-ep93xx.h
F: arch/arm/mach-ep93xx/
F: drivers/iio/adc/ep93xx_adc.c
+CIRRUS LOGIC HAPTICS DRIVER
+M: James Ogletree <[email protected]>
+M: Fred Treven <[email protected]>
+M: Ben Bright <[email protected]>
+L: [email protected]
+S: Supported
+T: git https://github.com/CirrusLogic/linux-drivers.git
+F: Documentation/devicetree/bindings/input/cirrus,cs40l50.yaml
+
ARM/CLKDEV SUPPORT
M: Russell King <[email protected]>
L: [email protected] (moderated for non-subscribers)
--
2.25.1