aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree
diff options
context:
space:
mode:
authorGrant Likely <grant.likely@secretlab.ca>2011-06-21 12:59:34 -0400
committerGrant Likely <grant.likely@secretlab.ca>2011-06-21 13:02:37 -0400
commit5de1540b7bc4c23470f86add1e517be41e7fefe2 (patch)
treea1c18d1ec0b7009966f114565424e9bbb31da1c1 /Documentation/devicetree
parent29d4f8a4974aacf46b028fa92f9dd3ffdba3e614 (diff)
drivers/amba: create devices from device tree
Add a function to create amba_devices (i.e. primecell peripherals) from device tree nodes. The device tree scanning is done by the of_platform_populate() function which can call of_amba_device_create based on a match table entry. Nodes with a "arm,primecell-periphid" property can override the h/w peripheral id value. Based on the original work by Jeremy Kerr. Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Rob Herring <rob.herring@calxeda.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> [grant.likely: add Jeremy's original s-o-b line, changes from review comments, and moved all code to drivers/of/platform.c] Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/arm/primecell.txt21
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/primecell.txt b/Documentation/devicetree/bindings/arm/primecell.txt
new file mode 100644
index 000000000000..1d5d7a870ec7
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/primecell.txt
@@ -0,0 +1,21 @@
1* ARM Primecell Peripherals
2
3ARM, Ltd. Primecell peripherals have a standard id register that can be used to
4identify the peripheral type, vendor, and revision. This value can be used for
5driver matching.
6
7Required properties:
8
9- compatible : should be a specific value for peripheral and "arm,primecell"
10
11Optional properties:
12
13- arm,primecell-periphid : Value to override the h/w value with
14
15Example:
16
17serial@fff36000 {
18 compatible = "arm,pl011", "arm,primecell";
19 arm,primecell-periphid = <0x00341011>;
20};
21