[PATCH v2 2/2] ASoC: atmel-classd: DT binding for Class D audio amplifier driver

[Songjun Wu]

DT binding documentation for this new ASoC driver.

Signed-off-by: Songjun Wu 
---

Changes in v2:
- Delete the device node "Sound".

 .../devicetree/bindings/sound/atmel-classd.txt |   52 
 1 file changed, 52 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/atmel-classd.txt

diff --git a/Documentation/devicetree/bindings/sound/atmel-classd.txt 
b/Documentation/devicetree/bindings/sound/atmel-classd.txt
new file mode 100644
index 000..0018451
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/atmel-classd.txt
@@ -0,0 +1,52 @@
+* Atmel ClassD driver under ALSA SoC architecture
+
+Required properties:
+- compatible
+   Should be "atmel,sama5d2-classd".
+- reg
+   Should contain ClassD registers location and length.
+- interrupts
+   Should contain the IRQ line for the ClassD.
+- dmas
+   One DMA specifiers as described in atmel-dma.txt and dma.txt files.
+- dma-names
+   Must be "tx".
+- clock-names
+   Tuple listing input clock names.
+   Required elements: "pclk", "gclk" and "aclk".
+- clocks
+   Please refer to clock-bindings.txt.
+
+Optional properties:
+- pinctrl-names, pinctrl-0
+   Please refer to pinctrl-bindings.txt.
+- atmel,model
+   The user-visible name of this sound complex.
+   The default value is "CLASSD".
+- atmel,pwm-type
+   PWM modulation type, "single" or "diff".
+   The default value is "single".
+- atmel,non-overlap-time
+   Set non-overlapping time, the unit is nanosecond(ns).
+   There are four values,
+   <5>, <10>, <15>, <20>, the default value is <10>.
+   Non-overlapping will be disabled if not specified.
+
+Example:
+classd: classd@fc048000 {
+   compatible = "atmel,sama5d2-classd";
+   reg = <0xfc048000 0x100>;
+   interrupts = <59 IRQ_TYPE_LEVEL_HIGH 7>;
+   dmas = <
+   (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
+   | AT91_XDMAC_DT_PERID(47))>;
+   dma-names = "tx";
+   clocks = <_clk>, <_gclk>, <_pll_pmc>;
+   clock-names = "pclk", "gclk", "aclk";
+
+   pinctrl-names = "default";
+   pinctrl-0 = <_classd_default>;
+   atmel,model = "classd @ SAMA5D2-Xplained";
+   atmel,pwm-type = "diff";
+   atmel,non-overlap-time = <10>;
+};
-- 
1.7.9.5

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[PATCH v2 2/2] ASoC: atmel-classd: DT binding for Class D audio amplifier driver

[Songjun Wu]

DT binding documentation for this new ASoC driver.

Signed-off-by: Songjun Wu 
---

Changes in v2:
- Delete the device node "Sound".

 .../devicetree/bindings/sound/atmel-classd.txt |   52 
 1 file changed, 52 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/atmel-classd.txt

diff --git a/Documentation/devicetree/bindings/sound/atmel-classd.txt 
b/Documentation/devicetree/bindings/sound/atmel-classd.txt
new file mode 100644
index 000..0018451
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/atmel-classd.txt
@@ -0,0 +1,52 @@
+* Atmel ClassD driver under ALSA SoC architecture
+
+Required properties:
+- compatible
+   Should be "atmel,sama5d2-classd".
+- reg
+   Should contain ClassD registers location and length.
+- interrupts
+   Should contain the IRQ line for the ClassD.
+- dmas
+   One DMA specifiers as described in atmel-dma.txt and dma.txt files.
+- dma-names
+   Must be "tx".
+- clock-names
+   Tuple listing input clock names.
+   Required elements: "pclk", "gclk" and "aclk".
+- clocks
+   Please refer to clock-bindings.txt.
+
+Optional properties:
+- pinctrl-names, pinctrl-0
+   Please refer to pinctrl-bindings.txt.
+- atmel,model
+   The user-visible name of this sound complex.
+   The default value is "CLASSD".
+- atmel,pwm-type
+   PWM modulation type, "single" or "diff".
+   The default value is "single".
+- atmel,non-overlap-time
+   Set non-overlapping time, the unit is nanosecond(ns).
+   There are four values,
+   <5>, <10>, <15>, <20>, the default value is <10>.
+   Non-overlapping will be disabled if not specified.
+
+Example:
+classd: classd@fc048000 {
+   compatible = "atmel,sama5d2-classd";
+   reg = <0xfc048000 0x100>;
+   interrupts = <59 IRQ_TYPE_LEVEL_HIGH 7>;
+   dmas = <
+   (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
+   | AT91_XDMAC_DT_PERID(47))>;
+   dma-names = "tx";
+   clocks = <_clk>, <_gclk>, <_pll_pmc>;
+   clock-names = "pclk", "gclk", "aclk";
+
+   pinctrl-names = "default";
+   pinctrl-0 = <_classd_default>;
+   atmel,model = "classd @ SAMA5D2-Xplained";
+   atmel,pwm-type = "diff";
+   atmel,non-overlap-time = <10>;
+};
-- 
1.7.9.5

--
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