1 MPC5121 PSC Device Tree Bindings
6 For PSC in UART mode the needed PSC serial devices
7 are specified by fsl,mpc5121-psc-uart nodes in the
8 fsl,mpc5121-immr SoC node. Additionally the PSC FIFO
9 Controller node fsl,mpc5121-psc-fifo is required there:
11 fsl,mpc512x-psc-uart nodes
12 --------------------------
15 - compatible : Should contain "fsl,<soc>-psc-uart" and "fsl,<soc>-psc"
16 Supported <soc>s: mpc5121, mpc5125
17 - reg : Offset and length of the register set for the PSC device
18 - interrupts : <a b> where a is the interrupt number of the
19 PSC FIFO Controller and b is a field that represents an
20 encoding of the sense and level information for the interrupt.
21 - interrupt-parent : the phandle for the interrupt controller that
22 services interrupts for this device.
24 Recommended properties :
25 - fsl,rx-fifo-size : the size of the RX fifo slice (a multiple of 4)
26 - fsl,tx-fifo-size : the size of the TX fifo slice (a multiple of 4)
31 Similar to the UART mode a PSC can be operated in SPI mode. The compatible used
32 for that is fsl,mpc5121-psc-spi. It requires a fsl,mpc5121-psc-fifo as well.
33 The required and recommended properties are identical to the
34 fsl,mpc5121-psc-uart nodes, just use spi instead of uart in the compatible
37 fsl,mpc512x-psc-fifo node
38 -------------------------
41 - compatible : Should be "fsl,<soc>-psc-fifo"
42 Supported <soc>s: mpc5121, mpc5125
43 - reg : Offset and length of the register set for the PSC
45 - interrupts : <a b> where a is the interrupt number of the
46 PSC FIFO Controller and b is a field that represents an
47 encoding of the sense and level information for the interrupt.
48 - interrupt-parent : the phandle for the interrupt controller that
49 services interrupts for this device.
51 Recommended properties :
52 - clocks : specifies the clock needed to operate the fifo controller
53 - clock-names : name(s) for the clock(s) listed in clocks
55 Example for a board using PSC0 and PSC1 devices in serial mode:
58 compatible = "fsl,mpc5121-psc-uart", "fsl,mpc5121-psc";
60 reg = <0x11000 0x100>;
61 interrupts = <40 0x8>;
62 interrupt-parent = < &ipic >;
63 fsl,rx-fifo-size = <16>;
64 fsl,tx-fifo-size = <16>;
68 compatible = "fsl,mpc5121-psc-uart", "fsl,mpc5121-psc";
70 reg = <0x11100 0x100>;
71 interrupts = <40 0x8>;
72 interrupt-parent = < &ipic >;
73 fsl,rx-fifo-size = <16>;
74 fsl,tx-fifo-size = <16>;
78 compatible = "fsl,mpc5121-psc-fifo";
79 reg = <0x11f00 0x100>;
80 interrupts = <40 0x8>;
81 interrupt-parent = < &ipic >;