Commit 07db781d authored by Linus Walleij's avatar Linus Walleij

ARM: scu: document Snoop Control Unit DT bindings

This adds device tree bindings for the ARM Cortex-A5 and
Cortex-A9 Snoop Control Units.
Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 7dfc6358
* ARM Snoop Control Unit (SCU)
As part of the MPCore complex, Cortex-A5 and Cortex-A9 are provided
with a Snoop Control Unit. The register range is usually 256 (0x100)
bytes.
References:
- Cortex-A9: see DDI0407E Cortex-A9 MPCore Technical Reference Manual
Revision r2p0
- Cortex-A5: see DDI0434B Cortex-A5 MPCore Technical Reference Manual
Revision r0p1
- compatible : Should be:
"arm,cortex-a9-scu"
"arm,cortex-a5-scu"
- reg : Specify the base address and the size of the SCU register window.
Example:
scu@a04100000 {
compatible = "arm,cortex-a9-scu";
reg = <0xa0410000 0x100>;
};
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