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-rw-r--r--Documentation/powerpc/mpc52xx-device-tree-bindings.txt12
1 files changed, 6 insertions, 6 deletions
diff --git a/Documentation/powerpc/mpc52xx-device-tree-bindings.txt b/Documentation/powerpc/mpc52xx-device-tree-bindings.txt
index e59fcbbe338..5f7d536cb0c 100644
--- a/Documentation/powerpc/mpc52xx-device-tree-bindings.txt
+++ b/Documentation/powerpc/mpc52xx-device-tree-bindings.txt
@@ -17,12 +17,12 @@ passed by the boot loader to the kernel at boot time. The device tree
17describes what devices are present on the board and how they are 17describes what devices are present on the board and how they are
18connected. The device tree can either be passed as a binary blob (as 18connected. The device tree can either be passed as a binary blob (as
19described in Documentation/powerpc/booting-without-of.txt), or passed 19described in Documentation/powerpc/booting-without-of.txt), or passed
20by Open Firmare (IEEE 1275) compatible firmware using an OF compatible 20by Open Firmware (IEEE 1275) compatible firmware using an OF compatible
21client interface API. 21client interface API.
22 22
23This document specifies the requirements on the device-tree for mpc5200 23This document specifies the requirements on the device-tree for mpc5200
24based boards. These requirements are above and beyond the details 24based boards. These requirements are above and beyond the details
25specified in either the OpenFirmware spec or booting-without-of.txt 25specified in either the Open Firmware spec or booting-without-of.txt
26 26
27All new mpc5200-based boards are expected to match this document. In 27All new mpc5200-based boards are expected to match this document. In
28cases where this document is not sufficient to support a new board port, 28cases where this document is not sufficient to support a new board port,
@@ -73,8 +73,8 @@ match on the compatible list; the 'most compatible' driver should be
73selected. 73selected.
74 74
75The split between the MPC5200 and the MPC5200B leaves a bit of a 75The split between the MPC5200 and the MPC5200B leaves a bit of a
76connundrum. How should the compatible property be set up to provide 76conundrum. How should the compatible property be set up to provide
77maximum compatability information; but still acurately describe the 77maximum compatibility information; but still accurately describe the
78chip? For the MPC5200; the answer is easy. Most of the SoC devices 78chip? For the MPC5200; the answer is easy. Most of the SoC devices
79originally appeared on the MPC5200. Since they didn't exist anywhere 79originally appeared on the MPC5200. Since they didn't exist anywhere
80else; the 5200 compatible properties will contain only one item; 80else; the 5200 compatible properties will contain only one item;
@@ -84,7 +84,7 @@ The 5200B is almost the same as the 5200, but not quite. It fixes
84silicon bugs and it adds a small number of enhancements. Most of the 84silicon bugs and it adds a small number of enhancements. Most of the
85devices either provide exactly the same interface as on the 5200. A few 85devices either provide exactly the same interface as on the 5200. A few
86devices have extra functions but still have a backwards compatible mode. 86devices have extra functions but still have a backwards compatible mode.
87To express this infomation as completely as possible, 5200B device trees 87To express this information as completely as possible, 5200B device trees
88should have two items in the compatible list; 88should have two items in the compatible list;
89"mpc5200b-<device>\0mpc5200-<device>". It is *strongly* recommended 89"mpc5200b-<device>\0mpc5200-<device>". It is *strongly* recommended
90that 5200B device trees follow this convention (instead of only listing 90that 5200B device trees follow this convention (instead of only listing
@@ -199,7 +199,7 @@ ethernet@<addr> network mpc5200-fec MPC5200 ethernet device
199ata@<addr> ata mpc5200-ata IDE ATA interface 199ata@<addr> ata mpc5200-ata IDE ATA interface
200i2c@<addr> i2c mpc5200-i2c I2C controller 200i2c@<addr> i2c mpc5200-i2c I2C controller
201usb@<addr> usb-ohci-be mpc5200-ohci,ohci-be USB controller 201usb@<addr> usb-ohci-be mpc5200-ohci,ohci-be USB controller
202xlb@<addr> xlb mpc5200-xlb XLB arbritrator 202xlb@<addr> xlb mpc5200-xlb XLB arbitrator
203 203
204Important child node properties 204Important child node properties
205name type description 205name type description