| From 72e16042d09a064fcd8173416030f9e9c9edb7bf Mon Sep 17 00:00:00 2001 |
| From: Geert Uytterhoeven <geert+renesas@glider.be> |
| Date: Mon, 14 Nov 2016 19:37:07 +0100 |
| Subject: [PATCH 025/299] 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> |
| (cherry picked from commit 5384f45cd9714287f198771bfb057eda799af9a8) |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| --- |
| Documentation/devicetree/bindings/arm/shmobile.txt | 18 ++++++++++++++++++ |
| 1 file changed, 18 insertions(+) |
| |
| --- 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>; |
| + }; |
