[alsa-devel] [PATCH 2/2] ASoC: cs35l34: Add device tree bindings file for cs35l34
From: Paul Handrigan Paul.Handrigan@cirrus.com
Add device tree bindings file for the cs35l34 8V boosted class D amplifier.
Signed-off-by: Paul Handrigan Paul.Handrigan@cirrus.com --- .../devicetree/bindings/sound/cs35l34.txt | 64 ++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/cs35l34.txt
diff --git a/Documentation/devicetree/bindings/sound/cs35l34.txt b/Documentation/devicetree/bindings/sound/cs35l34.txt new file mode 100644 index 0000000..df62e77 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/cs35l34.txt @@ -0,0 +1,64 @@ +CS35L34 Speaker Amplifier + +Required properties: + + - compatible : "cirrus,cs35l34" + + - reg : the I2C address of the device for I2C. + + - VA-supply, VP-supply : power supplies for the device, + as covered in + Documentation/devicetree/bindings/regulator/regulator.txt. + + - cirrus,boost-vtge : Boost Voltage Value. Configures the boost converter's + output voltage in mV. The range is from VP to 8V with increments of 100mV. + + - cirrus,boost-ind: Inductor value for boost converter. The value is in nH + and they can be values of 1000nH, 1100nH, 1200nH, 1500nH, and 2200nH. + +Optional properties: + + - reset-gpios: GPIO used to reset the amplifier. + + - interrupt-parent : Specifies the phandle of the interrupt controller to + which the IRQs from CS35L34 are delivered to. + - interrupts : IRQ line info CS35L34. + (See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt + for further information relating to interrupt properties) + + - cirrus,boost-peak : Boost converter peak current limit in mA. The range + starts at 1200mA and goes to a maximum of 3840mA with increments of 80mA. + The default value is 2480mA. + + - cirrus,i2s-sdinloc : ADSP SDIN I2S channel location. Indicates whether the + received mono data is in the left or right portion of the I2S frame + according to the AD0 pin or directly via this configuration. + 0x0 (Default) = Selected by AD0 input (if AD0 = LOW, use left channel), + 0x2 = Left, + 0x1 = Selected by the inversion of the AD0 input (if AD0 = LOW, use right + channel), + 0x3 = Right. + + - cirrus,gain-zc-disable: Boolean property. If set, the gain change will take + effect without waiting for a zero cross. + + - cirrus,tdm_rising_edge: Boolean property. If set, data is on the rising edge of + SCLK. Otherwise, data is on the falling edge of SCLK. + + +Example: + +cs35l34: cs35l34@40 { + compatible = "cirrus,cs35l34"; + reg = <0x40>; + + interrupt-parent = <&gpio8>; + interrupts = <3 IRQ_TYPE_LEVEL_LOW>; + + reset-gpios = <&gpio 10 0>; + + cirrus,boost-vtge = <8000>; /* 8V */ + cirrus,boost-ind = <1000>; /* 1uH */ + cirrus,boost-peak = <3000>; /* 3A */ +}; +
On Fri, Sep 16, 2016 at 04:48:41PM -0500, Paul.Handrigan@cirrus.com wrote:
From: Paul Handrigan Paul.Handrigan@cirrus.com
Add device tree bindings file for the cs35l34 8V boosted class D amplifier.
Signed-off-by: Paul Handrigan Paul.Handrigan@cirrus.com
.../devicetree/bindings/sound/cs35l34.txt | 64 ++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/cs35l34.txt
diff --git a/Documentation/devicetree/bindings/sound/cs35l34.txt b/Documentation/devicetree/bindings/sound/cs35l34.txt new file mode 100644 index 0000000..df62e77 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/cs35l34.txt @@ -0,0 +1,64 @@ +CS35L34 Speaker Amplifier
+Required properties:
- compatible : "cirrus,cs35l34"
- reg : the I2C address of the device for I2C.
- VA-supply, VP-supply : power supplies for the device,
- as covered in
- Documentation/devicetree/bindings/regulator/regulator.txt.
- cirrus,boost-vtge : Boost Voltage Value. Configures the boost converter's
- output voltage in mV. The range is from VP to 8V with increments of 100mV.
Needs a unit suffix and -microvolt is preferred.
- cirrus,boost-ind: Inductor value for boost converter. The value is in nH
- and they can be values of 1000nH, 1100nH, 1200nH, 1500nH, and 2200nH.
Please add this unit to property-units.txt and use the suffix here.
+Optional properties:
- reset-gpios: GPIO used to reset the amplifier.
- interrupt-parent : Specifies the phandle of the interrupt controller to
- which the IRQs from CS35L34 are delivered to.
- interrupts : IRQ line info CS35L34.
- (See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
- for further information relating to interrupt properties)
- cirrus,boost-peak : Boost converter peak current limit in mA. The range
- starts at 1200mA and goes to a maximum of 3840mA with increments of 80mA.
- The default value is 2480mA.
unit suffix.
- cirrus,i2s-sdinloc : ADSP SDIN I2S channel location. Indicates whether the
- received mono data is in the left or right portion of the I2S frame
- according to the AD0 pin or directly via this configuration.
- 0x0 (Default) = Selected by AD0 input (if AD0 = LOW, use left channel),
- 0x2 = Left,
- 0x1 = Selected by the inversion of the AD0 input (if AD0 = LOW, use right
- channel),
- 0x3 = Right.
- cirrus,gain-zc-disable: Boolean property. If set, the gain change will take
- effect without waiting for a zero cross.
- cirrus,tdm_rising_edge: Boolean property. If set, data is on the rising edge of
- SCLK. Otherwise, data is on the falling edge of SCLK.
Use '-', not '_'.
+Example:
+cs35l34: cs35l34@40 {
- compatible = "cirrus,cs35l34";
- reg = <0x40>;
- interrupt-parent = <&gpio8>;
- interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
- reset-gpios = <&gpio 10 0>;
- cirrus,boost-vtge = <8000>; /* 8V */
- cirrus,boost-ind = <1000>; /* 1uH */
- cirrus,boost-peak = <3000>; /* 3A */
+};
-- 1.9.1
participants (2)
-
Paul.Handrigan＠cirrus.com -
Rob Herring