diff options
| author |   Geert Uytterhoeven <geert+renesas@glider.be> | 2016-11-14 19:37:07 +0100 |
|---|---|---|
| committer |   Simon Horman <horms+renesas@verge.net.au> | 2016-11-23 14:31:16 +0100 |
| commit | 5384f45cd9714287f198771bfb057eda799af9a8 (patch) | |
| tree | 724bb5aed2382008f7d3f36ddbb02623285cec4e /Documentation/devicetree/bindings/arm/shmobile.txt | |
| parent | base: soc: Provide a dummy implementation of soc_device_match() (diff) | |
| download | linux-dev-5384f45cd9714287f198771bfb057eda799af9a8.tar.xz linux-dev-5384f45cd9714287f198771bfb057eda799af9a8.zip | |
ARM: shmobile: Document DT bindings for Product Register
Add device tree binding documentation for the Product Register (PRR),
which provides product and revision information on most Renesas ARM
SoCs.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'Documentation/devicetree/bindings/arm/shmobile.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/arm/shmobile.txt | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/shmobile.txt b/Documentation/devicetree/bindings/arm/shmobile.txt index 2f0b7169f132..23c77315fdac 100644 --- a/Documentation/devicetree/bindings/arm/shmobile.txt +++ b/Documentation/devicetree/bindings/arm/shmobile.txt @@ -75,3 +75,21 @@ Boards: compatible = "renesas,silk", "renesas,r8a7794" - Wheat compatible = "renesas,wheat", "renesas,r8a7792" + + +Most Renesas ARM SoCs have a Product Register that allows to retrieve SoC +product and revision information. If present, a device node for this register +should be added. + +Required properties: + - compatible: Must be "renesas,prr". + - reg: Base address and length of the register block. + + +Examples +-------- + + prr: chipid@ff000044 { + compatible = "renesas,prr"; + reg = <0 0xff000044 0 4>; + }; |