diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2014-06-17 22:16:07 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-06-19 09:41:51 +0200 |
| commit | 9313920df6d3d55fbd03ce8ec1c0da9a10c29824 (patch) | |
| tree | ef80d80abbaf46293b777ead52caddd9d5d97644 /dts/Bindings/arm/vexpress.txt | |
| parent | 83e875e1f45beffe399cff0ff6128e0fca9da168 (diff) | |
| download | barebox-9313920df6d3d55fbd03ce8ec1c0da9a10c29824.tar.gz barebox-9313920df6d3d55fbd03ce8ec1c0da9a10c29824.tar.xz | |
dts: update to v3.16-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/arm/vexpress.txt')
| -rw-r--r-- | dts/Bindings/arm/vexpress.txt | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/dts/Bindings/arm/vexpress.txt b/dts/Bindings/arm/vexpress.txt index ae49161e47..39844cd0bc 100644 --- a/dts/Bindings/arm/vexpress.txt +++ b/dts/Bindings/arm/vexpress.txt @@ -80,12 +80,17 @@ but also control clock generators, voltage regulators, gather environmental data like temperature, power consumption etc. Even the video output switch (FPGA) is controlled that way. -Nodes describing devices controlled by this infrastructure should -point at the bridge device node: +The controllers are not mapped into normal memory address space +and must be accessed through bridges - other devices capable +of generating transactions on the configuration bus. + +The nodes describing configuration controllers must define +the following properties: +- compatible value: + compatible = "arm,vexpress,config-bus"; - bridge phandle: arm,vexpress,config-bridge = <phandle>; -This property can be also defined in a parent node (eg. for a DCC) -and is effective for all children. +and children describing available functions. Platform topology @@ -197,7 +202,7 @@ Example of a VE tile description (simplified) }; dcc { - compatible = "simple-bus"; + compatible = "arm,vexpress,config-bus"; arm,vexpress,config-bridge = <&v2m_sysreg>; osc@0 { |