[PATCH v3 02/11] mfd: syscon: Add Atmel Matrix bus DT binding documentation
From: Nicolas Ferre <hidden>
Date: 2014-12-03 14:32:55
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linux-devicetree, lkml
Le 01/12/2014 11:27, Boris Brezillon a ?crit :
quoted hunk ↗ jump to hunk
The Matrix registers are provided to configure internal bus behavior on at91 SoCs. Some registers might be access by several drivers (e.g. to configure external memory bus timings), hence we declare this register set as a syscon device. Signed-off-by: Boris Brezillon <redacted> Acked-by: Lee Jones <redacted> --- .../devicetree/bindings/mfd/atmel-matrix.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/atmel-matrix.txtdiff --git a/Documentation/devicetree/bindings/mfd/atmel-matrix.txt b/Documentation/devicetree/bindings/mfd/atmel-matrix.txt new file mode 100644 index 0000000..e56e27a --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/atmel-matrix.txt@@ -0,0 +1,24 @@ +* Device tree bindings for Atmel Bus Matrix + +The Bus Matrix registers are used to configure Atmel SoCs internal bus +behavior (master/slave priorities, undefined burst length type, ...) + +Required properties: +- compatible: Should be one of the following + "atmel,at91sam9260-matrix", "syscon" + "atmel,at91sam9261-matrix", "syscon" + "atmel,at91sam9263-matrix", "syscon" + "atmel,at91sam9263-matrix", "syscon"
Same string as the preceding one: shouldn't it be at91sam9rl?
+ "atmel,at91sam9g45-matrix", "syscon"
+ "atmel,at91sam9n12-matrix", "syscon"
+ "atmel,at91sam9x5-matrix", "syscon"
+ "atmel,sama5d3-matrix", "syscon"
+- reg: Contains offset/length value of the Bus Matrix
+ memory region.
+
+Example:
+
+matrix: matrix at ffffec00 {
+ compatible = "atmel,sama5d3-matrix", "syscon";
+ reg = <0xffffec00 0x200>;
+};-- Nicolas Ferre