@@ -7,49 +7,54 @@ other DSPs. It has up to six transmitters and four receivers.
Required properties:
- - compatible : Compatible list, must contain "fsl,imx35-esai".
+- compatible: Compatible list, must contain "fsl,imx35-esai".
- - reg : Offset and length of the register set for the device.
+- reg: Offset and length of the register set for the device.
- - interrupts : Contains the spdif interrupt.
+- interrupts: Contains the spdif interrupt.
- - dmas : Generic dma devicetree binding as described in
- Documentation/devicetree/bindings/dma/dma.txt.
+- dmas: Generic dma devicetree binding as described in
+ Documentation/devicetree/bindings/dma/dma.txt.
- - dma-names : Two dmas have to be defined, "tx" and "rx".
+- dma-names: Two dmas have to be defined, "tx" and "rx".
- - clocks: Contains an entry for each entry in clock-names.
+- clocks: Contains an entry for each entry in clock-names.
- - clock-names : Includes the following entries:
- "core" The core clock used to access registers
- "extal" The esai baud clock for esai controller used to derive
- HCK, SCK and FS.
- "fsys" The system clock derived from ahb clock used to derive
- HCK, SCK and FS.
+- clock-names: Includes the following entries:
+ "core" -- The core clock used to access registers
+ "extal"-- The esai baud clock for esai controller used to
+ derive HCK, SCK and FS.
+ "fsys" -- The system clock derived from ahb clock used to
+ derive HCK, SCK and FS.
- - fsl,fifo-depth: The number of elements in the transmit and receive FIFOs.
- This number is the maximum allowed value for TFCR[TFWM] or RFCR[RFWM].
+- fsl,fifo-depth:
+ The number of elements in the transmit and receive FIFOs.
+ This number is the maximum allowed value for TFCR[TFWM] or
+ RFCR[RFWM].
- - fsl,esai-synchronous: This is a boolean property. If present, indicating
- that ESAI would work in the synchronous mode, which means all the settings
- for Receiving would be duplicated from Transmition related registers.
+- fsl,esai-synchronous:
+ This is a boolean property. If present, indicating that ESAI
+ would work in the synchronous mode, which means all the settings
+ for Receiving would be duplicated from Transmition related
+ registers.
- - big-endian : If this property is absent, the native endian mode will
- be in use as default, or the big endian mode will be in use for all the
- device registers.
+- big-endian:
+ If this property is absent, the native endian mode will be in
+ use as default, or the big endian mode will be in use for all the
+ device registers.
Example:
-esai: esai@02024000 {
- compatible = "fsl,imx35-esai";
- reg = <0x02024000 0x4000>;
- interrupts = <0 51 0x04>;
- clocks = <&clks 208>, <&clks 118>, <&clks 208>;
- clock-names = "core", "extal", "fsys";
- dmas = <&sdma 23 21 0>, <&sdma 24 21 0>;
- dma-names = "rx", "tx";
- fsl,fifo-depth = <128>;
- fsl,esai-synchronous;
- big-endian;
- status = "disabled";
-};
+ esai: esai@02024000 {
+ compatible = "fsl,imx35-esai";
+ reg = <0x02024000 0x4000>;
+ interrupts = <0 51 0x04>;
+ clocks = <&clks 208>, <&clks 118>, <&clks 208>;
+ clock-names = "core", "extal", "fsys";
+ dmas = <&sdma 23 21 0>, <&sdma 24 21 0>;
+ dma-names = "rx", "tx";
+ fsl,fifo-depth = <128>;
+ fsl,esai-synchronous;
+ big-endian;
+ status = "disabled";
+ };
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com> Cc: Varka Bhadram <varkabhadram@gmail.com> --- .../devicetree/bindings/sound/fsl,esai.txt | 73 ++++++++++++---------- 1 file changed, 39 insertions(+), 34 deletions(-)