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Message-ID: <20230512122838.243002-6-ckeepax@opensource.cirrus.com>
Date: Fri, 12 May 2023 13:28:33 +0100
From: Charles Keepax <ckeepax@...nsource.cirrus.com>
To: <broonie@...nel.org>, <lee@...nel.org>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
<tglx@...utronix.de>, <maz@...nel.org>, <linus.walleij@...aro.org>,
<vkoul@...nel.org>
CC: <lgirdwood@...il.com>, <yung-chuan.liao@...ux.intel.com>,
<sanyog.r.kale@...el.com>, <pierre-louis.bossart@...ux.intel.com>,
<alsa-devel@...a-project.org>, <patches@...nsource.cirrus.com>,
<devicetree@...r.kernel.org>, <linux-gpio@...r.kernel.org>,
<linux-spi@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 05/10] dt-bindings: mfd: cirrus,cs42l43: Add initial DT binding
The CS42L43 is an audio CODEC with integrated MIPI SoundWire interface
(Version 1.2.1 compliant), I2C, SPI, and I2S/TDM interfaces designed
for portable applications. It provides a high dynamic range, stereo
DAC for headphone output, two integrated Class D amplifiers for
loudspeakers, and two ADCs for wired headset microphone input or
stereo line input. PDM inputs are provided for digital microphones.
Add a YAML DT binding document for this device.
Signed-off-by: Charles Keepax <ckeepax@...nsource.cirrus.com>
---
.../bindings/mfd/cirrus,cs42l43.yaml | 212 ++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 213 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/cirrus,cs42l43.yaml
diff --git a/Documentation/devicetree/bindings/mfd/cirrus,cs42l43.yaml b/Documentation/devicetree/bindings/mfd/cirrus,cs42l43.yaml
new file mode 100644
index 0000000000000..e1fd70e0a3467
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/cirrus,cs42l43.yaml
@@ -0,0 +1,212 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/cirrus,cs42l43.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus Logic CS42L43 Audio CODEC
+
+maintainers:
+ - patches@...nsource.cirrus.com
+
+description: |
+ The CS42L43 is an audio CODEC with integrated MIPI SoundWire interface
+ (Version 1.2.1 compliant), I2C, SPI, and I2S/TDM interfaces designed
+ for portable applications. It provides a high dynamic range, stereo
+ DAC for headphone output, two integrated Class D amplifiers for
+ loudspeakers, and two ADCs for wired headset microphone input or
+ stereo line input. PDM inputs are provided for digital microphones.
+
+required:
+ - compatible
+ - reg
+ - VDD_P-supply
+ - VDD_A-supply
+ - VDD_D-supply
+ - VDD_IO-supply
+ - VDD_CP-supply
+
+additionalProperties: false
+
+properties:
+ compatible:
+ enum:
+ - cirrus,cs42l43
+
+ reg:
+ maxItems: 1
+
+ VDD_P-supply:
+ description:
+ Power supply for the high voltage interface.
+
+ VDD_A-supply:
+ description:
+ Power supply for internal analog circuits.
+
+ VDD_D-supply:
+ description:
+ Power supply for internal digital circuits.
+
+ VDD_IO-supply:
+ description:
+ Power supply for external interface and internal digital logic.
+
+ VDD_CP-supply:
+ description:
+ Power supply for the amplifier 3 and 4 charge pump.
+
+ VDD_AMP-supply:
+ description:
+ Power supply for amplifier 1 and 2.
+
+ reset-gpios:
+ maxItems: 1
+
+ gpio-controller: true
+
+ '#gpio-cells':
+ const: 2
+
+ gpio-ranges:
+ items:
+ - description: A phandle to the CODEC pinctrl node
+ minimum: 0
+ - const: 0
+ - const: 0
+ - const: 3
+
+ interrupt-controller: true
+
+ '#interrupt-cells':
+ const: 2
+
+ interrupts:
+ maxItems: 1
+
+ '#sound-dai-cells':
+ const: 1
+
+ clocks:
+ items:
+ - description: Synchronous audio clock provided on mclk_in.
+
+ clock-names:
+ const: mclk
+
+ pinctrl:
+ type: object
+
+ allOf:
+ - $ref: "../pinctrl/pinctrl.yaml#"
+
+ properties:
+ pin-settings:
+ type: object
+
+ additionalProperties: false
+
+ patternProperties:
+ '-pins$':
+ type: object
+
+ allOf:
+ - $ref: "../pinctrl/pincfg-node.yaml#"
+ - $ref: "../pinctrl/pinmux-node.yaml#"
+
+ oneOf:
+ - required: [ groups ]
+ - required: [ pins ]
+
+ unevaluatedProperties: false
+
+ properties:
+ groups:
+ enum: [ gpio1, gpio2, gpio3, asp, pdmout2, pdmout1, i2c, spi ]
+
+ pins:
+ enum: [ gpio1, gpio2, gpio3,
+ asp_dout, asp_fsync, asp_bclk,
+ pdmout2_clk, pdmout2_data, pdmout1_clk, pdmout1_data,
+ i2c_sda, i2c_scl,
+ spi_miso, spi_sck, spi_ssb ]
+
+ function:
+ enum: [ gpio, spdif, irq, mic-shutter, spk-shutter ]
+
+ drive-strength:
+ description: Set drive strength in mA
+ enum: [ 1, 2, 4, 8, 9, 10, 12, 16 ]
+
+ input-debounce:
+ description: Set input debounce in uS
+ enum: [ 0, 85 ]
+
+ spi:
+ type: object
+
+ allOf:
+ - $ref: "../spi/spi-controller.yaml#"
+
+ unevaluatedProperties: false
+
+examples:
+ - |
+ i2c@...04000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0xe0004000 0x1000>;
+
+ cs42l43: codec@1a {
+ compatible = "cirrus,cs42l43";
+ reg = <0x1a>;
+
+ VDD_P-supply = <&vdd5v0>;
+ VDD_D-supply = <&vdd1v8>;
+ VDD_A-supply = <&vdd1v8>;
+ VDD_IO-supply = <&vdd1v8>;
+ VDD_CP-supply = <&vdd1v8>;
+ VDD_AMP-supply = <&vdd5v0>;
+
+ reset-gpios = <&gpio 0>;
+
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&cs42l43_pins 0 0 3>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gpio>;
+ interrupts = <56 8>;
+
+ #sound-dai-cells = <1>;
+
+ clocks = <&clks 0>;
+ clock-names = "mclk";
+
+ cs42l43_pins: pinctrl {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinsettings>;
+
+ pinsettings: pin-settings {
+ shutter-pins {
+ groups = "gpio3";
+ function = "mic-shutter";
+ };
+ };
+ };
+
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cs-gpios = <&cs42l43 1 0>;
+
+ sensor@0 {
+ compatible = "bosch,bme680";
+ reg = <0>;
+ spi-max-frequency = <1400000>;
+ };
+ };
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 7e0b87d5aa2e5..0db9f37eec258 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4926,6 +4926,7 @@ M: Richard Fitzgerald <rf@...nsource.cirrus.com>
L: alsa-devel@...a-project.org (moderated for non-subscribers)
L: patches@...nsource.cirrus.com
S: Maintained
+F: Documentation/devicetree/bindings/mfd/cirrus,cs*
F: Documentation/devicetree/bindings/sound/cirrus,cs*
F: include/dt-bindings/sound/cs*
F: include/sound/cs*
--
2.30.2
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