1 * Texas Instruments OMAP2+ McBSP module 1 * Texas Instruments OMAP2+ McBSP module
2 2
3 Required properties: 3 Required properties:
4 - compatible: "ti,omap2420-mcbsp" for McBSP on 4 - compatible: "ti,omap2420-mcbsp" for McBSP on OMAP2420
5 "ti,omap2430-mcbsp" for McBSP on 5 "ti,omap2430-mcbsp" for McBSP on OMAP2430
6 "ti,omap3-mcbsp" for McBSP on OM 6 "ti,omap3-mcbsp" for McBSP on OMAP3
7 "ti,omap4-mcbsp" for McBSP on OM 7 "ti,omap4-mcbsp" for McBSP on OMAP4 and newer SoC
8 - reg: Register location and size, for OMAP4+ 8 - reg: Register location and size, for OMAP4+ as an array:
9 <MPU access base address, size>, 9 <MPU access base address, size>,
10 <L3 interconnect address, size>; 10 <L3 interconnect address, size>;
11 - reg-names: Array of strings associated with 11 - reg-names: Array of strings associated with the address space
12 - interrupts: Interrupt numbers for the McBSP 12 - interrupts: Interrupt numbers for the McBSP port, as an array in case the
13 McBSP IP have more interrupt lin 13 McBSP IP have more interrupt lines:
14 <OCP compliant irq>, 14 <OCP compliant irq>,
15 <TX irq>, 15 <TX irq>,
16 <RX irq>; 16 <RX irq>;
17 - interrupt-names: Array of strings associated 17 - interrupt-names: Array of strings associated with the interrupt numbers
>> 18 - interrupt-parent: The parent interrupt controller
18 - ti,buffer-size: Size of the FIFO on the port 19 - ti,buffer-size: Size of the FIFO on the port (OMAP2430 and newer SoC)
19 - ti,hwmods: Name of the hwmod associated to t 20 - ti,hwmods: Name of the hwmod associated to the McBSP port
20 21
21 Example: 22 Example:
22 23
23 mcbsp2: mcbsp@49022000 { 24 mcbsp2: mcbsp@49022000 {
24 compatible = "ti,omap3-mcbsp"; 25 compatible = "ti,omap3-mcbsp";
25 reg = <0x49022000 0xff>, 26 reg = <0x49022000 0xff>,
26 <0x49028000 0xff>; 27 <0x49028000 0xff>;
27 reg-names = "mpu", "sidetone"; 28 reg-names = "mpu", "sidetone";
28 interrupts = <0 17 0x4>, /* OCP compli 29 interrupts = <0 17 0x4>, /* OCP compliant interrupt */
29 <0 62 0x4>, /* TX interru 30 <0 62 0x4>, /* TX interrupt */
30 <0 63 0x4>, /* RX interru 31 <0 63 0x4>, /* RX interrupt */
31 <0 4 0x4>; /* Sidetone * 32 <0 4 0x4>; /* Sidetone */
32 interrupt-names = "common", "tx", "rx" 33 interrupt-names = "common", "tx", "rx", "sidetone";
33 interrupt-parent = <&intc>; 34 interrupt-parent = <&intc>;
34 ti,buffer-size = <1280>; 35 ti,buffer-size = <1280>;
35 ti,hwmods = "mcbsp2"; 36 ti,hwmods = "mcbsp2";
36 }; 37 };
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