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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-10 11:57:03 -0500 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-10 11:57:03 -0500 |
| commit | 0bd2cbcdfaff9cb22267d66fc843fa4f73f0c281 (patch) | |
| tree | 7d9732bcf5f2f646cb0c2c529c48b454b15d4ae2 /Documentation | |
| parent | 57cc7215b70856dc6bae8e55b00ecd7b1d7429b1 (diff) | |
| parent | a081748735c5feb96b1365e78a5ff0fb6ca7e3a4 (diff) | |
Merge branch 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6
* 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6: (29 commits)
of/flattree: forward declare struct device_node in of_fdt.h
ipmi: explicitly include of_address.h and of_irq.h
sparc: explicitly cast negative phandle checks to s32
powerpc/405: Fix missing #{address,size}-cells in i2c node
powerpc/5200: dts: refactor dts files
powerpc/5200: dts: Change combatible strings on localbus
powerpc/5200: dts: remove unused properties
powerpc/5200: dts: rename nodes to prepare for refactoring dts files
of/flattree: Update dtc to current mainline.
of/device: Don't register disabled devices
powerpc/dts: fix syntax bugs in bluestone.dts
of: Fixes for OF probing on little endian systems
of: make drivers depend on CONFIG_OF instead of CONFIG_PPC_OF
of/flattree: Add of_flat_dt_match() helper function
of_serial: explicitly include of_irq.h
of/flattree: Refactor unflatten_device_tree and add fdt_unflatten_tree
of/flattree: Reorder unflatten_dt_node
of/flattree: Refactor unflatten_dt_node
of/flattree: Add non-boottime device tree functions
of/flattree: Add Kconfig for EARLY_FLATTREE
...
Fix up trivial conflict in arch/sparc/prom/tree_32.c as per Grant.
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/kbuild/makefiles.txt | 15 | ||||
| -rw-r--r-- | Documentation/powerpc/dts-bindings/eeprom.txt | 28 |
2 files changed, 43 insertions, 0 deletions
diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt index 0ef00bd6e54d..86e3cd0d26a0 100644 --- a/Documentation/kbuild/makefiles.txt +++ b/Documentation/kbuild/makefiles.txt | |||
| @@ -1136,6 +1136,21 @@ When kbuild executes, the following steps are followed (roughly): | |||
| 1136 | resulting in the target file being recompiled for no | 1136 | resulting in the target file being recompiled for no |
| 1137 | obvious reason. | 1137 | obvious reason. |
| 1138 | 1138 | ||
| 1139 | dtc | ||
| 1140 | Create flattend device tree blob object suitable for linking | ||
| 1141 | into vmlinux. Device tree blobs linked into vmlinux are placed | ||
| 1142 | in an init section in the image. Platform code *must* copy the | ||
| 1143 | blob to non-init memory prior to calling unflatten_device_tree(). | ||
| 1144 | |||
| 1145 | Example: | ||
| 1146 | #arch/x86/platform/ce4100/Makefile | ||
| 1147 | clean-files := *dtb.S | ||
| 1148 | |||
| 1149 | DTC_FLAGS := -p 1024 | ||
| 1150 | obj-y += foo.dtb.o | ||
| 1151 | |||
| 1152 | $(obj)/%.dtb: $(src)/%.dts | ||
| 1153 | $(call cmd,dtc) | ||
| 1139 | 1154 | ||
| 1140 | --- 6.7 Custom kbuild commands | 1155 | --- 6.7 Custom kbuild commands |
| 1141 | 1156 | ||
diff --git a/Documentation/powerpc/dts-bindings/eeprom.txt b/Documentation/powerpc/dts-bindings/eeprom.txt new file mode 100644 index 000000000000..4342c10de1bf --- /dev/null +++ b/Documentation/powerpc/dts-bindings/eeprom.txt | |||
| @@ -0,0 +1,28 @@ | |||
| 1 | EEPROMs (I2C) | ||
| 2 | |||
| 3 | Required properties: | ||
| 4 | |||
| 5 | - compatible : should be "<manufacturer>,<type>" | ||
| 6 | If there is no specific driver for <manufacturer>, a generic | ||
| 7 | driver based on <type> is selected. Possible types are: | ||
| 8 | 24c00, 24c01, 24c02, 24c04, 24c08, 24c16, 24c32, 24c64, | ||
| 9 | 24c128, 24c256, 24c512, 24c1024, spd | ||
| 10 | |||
| 11 | - reg : the I2C address of the EEPROM | ||
| 12 | |||
| 13 | Optional properties: | ||
| 14 | |||
| 15 | - pagesize : the length of the pagesize for writing. Please consult the | ||
| 16 | manual of your device, that value varies a lot. A wrong value | ||
| 17 | may result in data loss! If not specified, a safety value of | ||
| 18 | '1' is used which will be very slow. | ||
| 19 | |||
| 20 | - read-only: this parameterless property disables writes to the eeprom | ||
| 21 | |||
| 22 | Example: | ||
| 23 | |||
| 24 | eeprom@52 { | ||
| 25 | compatible = "atmel,24c32"; | ||
| 26 | reg = <0x52>; | ||
| 27 | pagesize = <32>; | ||
| 28 | }; | ||
