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author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-12-08 07:35:17 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-12-10 08:48:40 +0100 |
commit | 6e6d9a2ff045f09d5a03e876becea5e6a1dabe90 (patch) | |
tree | bcf5e71df4472e374d03cc15ca22b4f841d9c73d /dts/Bindings/sound/atmel-classd.txt | |
parent | 8e2fd5380a4fd7cee428513dc8eab068912b49f1 (diff) | |
download | barebox-6e6d9a2ff045f09d5a03e876becea5e6a1dabe90.tar.gz barebox-6e6d9a2ff045f09d5a03e876becea5e6a1dabe90.tar.xz |
dts: update to v4.4-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/sound/atmel-classd.txt')
-rw-r--r-- | dts/Bindings/sound/atmel-classd.txt | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/dts/Bindings/sound/atmel-classd.txt b/dts/Bindings/sound/atmel-classd.txt new file mode 100644 index 0000000000..0018451c43 --- /dev/null +++ b/dts/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 = <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) + | AT91_XDMAC_DT_PERID(47))>; + dma-names = "tx"; + clocks = <&classd_clk>, <&classd_gclk>, <&audio_pll_pmc>; + clock-names = "pclk", "gclk", "aclk"; + + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_classd_default>; + atmel,model = "classd @ SAMA5D2-Xplained"; + atmel,pwm-type = "diff"; + atmel,non-overlap-time = <10>; +}; |