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-rw-r--r--Documentation/devicetree/bindings/sound/omap-mcbsp.txt28
1 files changed, 10 insertions, 18 deletions
diff --git a/Documentation/devicetree/bindings/sound/omap-mcbsp.txt b/Documentation/devicetree/bindings/sound/omap-mcbsp.txt
index 447cb131e909..17cce4490456 100644
--- a/Documentation/devicetree/bindings/sound/omap-mcbsp.txt
+++ b/Documentation/devicetree/bindings/sound/omap-mcbsp.txt
@@ -8,38 +8,30 @@ Required properties:
- reg: Register location and size, for OMAP4+ as an array:
<MPU access base address, size>,
<L3 interconnect address, size>;
+- reg-names: Array of strings associated with the address space
- interrupts: Interrupt numbers for the McBSP port, as an array in case the
McBSP IP have more interrupt lines:
<OCP compliant irq>,
<TX irq>,
<RX irq>;
+- interrupt-names: Array of strings associated with the interrupt numbers
- interrupt-parent: The parent interrupt controller
- ti,buffer-size: Size of the FIFO on the port (OMAP2430 and newer SoC)
- ti,hwmods: Name of the hwmod associated to the McBSP port
-Sidetone support for OMAP3 McBSP2 and 3 ports:
-- sidetone { }: Within this section the following parameters are required:
-- reg: Register location and size for the ST block
-- interrupts: The interrupt number for the ST block
-- interrupt-parent: The parent interrupt controller for the ST block
-
Example:
mcbsp2: mcbsp@49022000 {
compatible = "ti,omap3-mcbsp";
- #address-cells = <1>;
- #size-cells = <1>;
- reg = <0x49022000 0xff>;
- interrupts = <0 17 0x4>, /* OCP compliant interrup */
- <0 62 0x4>, /* TX interrup */
- <0 63 0x4>; /* RX interrup */
+ reg = <0x49022000 0xff>,
+ <0x49028000 0xff>;
+ reg-names = "mpu", "sidetone";
+ interrupts = <0 17 0x4>, /* OCP compliant interrupt */
+ <0 62 0x4>, /* TX interrupt */
+ <0 63 0x4>, /* RX interrupt */
+ <0 4 0x4>; /* Sidetone */
+ interrupt-names = "common", "tx", "rx", "sidetone";
interrupt-parent = <&intc>;
ti,buffer-size = <1280>;
ti,hwmods = "mcbsp2";
-
- sidetone {
- reg = <0x49028000 0xff>;
- interrupts = <0 4 0x4>;
- interrupt-parent = <&intc>;
- };
};