From 07db781dcaa59e497eb5b8642fee86201d256ecc Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Thu, 14 May 2015 17:57:39 +0200 Subject: [PATCH] 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: Arnd Bergmann Signed-off-by: Linus Walleij --- Documentation/devicetree/bindings/arm/scu.txt | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/scu.txt diff --git a/Documentation/devicetree/bindings/arm/scu.txt b/Documentation/devicetree/bindings/arm/scu.txt new file mode 100644 index 000000000000..c447680519bb --- /dev/null +++ b/Documentation/devicetree/bindings/arm/scu.txt @@ -0,0 +1,25 @@ +* 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>; +}; -- 2.34.1