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Diffstat (limited to 'Documentation/devicetree/bindings/misc/atmel-ssc.txt')
-rw-r--r-- | Documentation/devicetree/bindings/misc/atmel-ssc.txt | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/Documentation/devicetree/bindings/misc/atmel-ssc.txt b/Documentation/devicetree/bindings/misc/atmel-ssc.txt deleted file mode 100644 index f9fb412642fe..000000000000 --- a/Documentation/devicetree/bindings/misc/atmel-ssc.txt +++ /dev/null @@ -1,50 +0,0 @@ -* Atmel SSC driver. - -Required properties: -- compatible: "atmel,at91rm9200-ssc" or "atmel,at91sam9g45-ssc" - - atmel,at91rm9200-ssc: support pdc transfer - - atmel,at91sam9g45-ssc: support dma transfer -- reg: Should contain SSC registers location and length -- interrupts: Should contain SSC interrupt -- clock-names: tuple listing input clock names. - Required elements: "pclk" -- clocks: phandles to input clocks. - - -Required properties for devices compatible with "atmel,at91sam9g45-ssc": -- dmas: DMA specifier, consisting of a phandle to DMA controller node, - the memory interface and SSC DMA channel ID (for tx and rx). - See Documentation/devicetree/bindings/dma/atmel-dma.txt for details. -- dma-names: Must be "tx", "rx". - -Optional properties: - - atmel,clk-from-rk-pin: bool property. - - When SSC works in slave mode, according to the hardware design, the - clock can get from TK pin, and also can get from RK pin. So, add - this parameter to choose where the clock from. - - By default the clock is from TK pin, if the clock from RK pin, this - property is needed. - - #sound-dai-cells: Should contain <0>. - - This property makes the SSC into an automatically registered DAI. - -Examples: -- PDC transfer: -ssc0: ssc@fffbc000 { - compatible = "atmel,at91rm9200-ssc"; - reg = <0xfffbc000 0x4000>; - interrupts = <14 4 5>; - clocks = <&ssc0_clk>; - clock-names = "pclk"; -}; - -- DMA transfer: -ssc0: ssc@f0010000 { - compatible = "atmel,at91sam9g45-ssc"; - reg = <0xf0010000 0x4000>; - interrupts = <28 4 5>; - dmas = <&dma0 1 13>, - <&dma0 1 14>; - dma-names = "tx", "rx"; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>; -}; |