Hello.

On 12/11/2015 5:12 AM, Simon Horman wrote:

Add fallback compatibility strings for R-Car Gen2 and Gen3.
This is in keeping with the fallback scheme being adopted wherever
appropriate for drivers for Renesas SoCs.

Signed-off-by: Simon Horman <horms+rene...@verge.net.au>
---
v3
* Moved documentation of SoC names to a separate patch
* Use correct fallback compatibility string in example

v2
* Add R-Car Gen2 and Gen3 fallback compatibility strings rather than
   a single compatibility string for all of R-Car.
---
  Documentation/devicetree/bindings/usb/renesas_usbhs.txt | 10 +++++++++-
  drivers/usb/renesas_usbhs/common.c                      |  9 +++++++++
  2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/usb/renesas_usbhs.txt 
b/Documentation/devicetree/bindings/usb/renesas_usbhs.txt
index a14c0bb561d5..c55cf77006d0 100644
--- a/Documentation/devicetree/bindings/usb/renesas_usbhs.txt
+++ b/Documentation/devicetree/bindings/usb/renesas_usbhs.txt
@@ -2,10 +2,18 @@ Renesas Electronics USBHS driver

  Required properties:
    - compatible: Must contain one of the following:

   Really?

+
        - "renesas,usbhs-r8a7790" for r8a7790 (R-Car H2) compatible device
        - "renesas,usbhs-r8a7791" for r8a7791 (R-Car M2-W) compatible device
        - "renesas,usbhs-r8a7794" for r8a7794 (R-Car E2) compatible device
        - "renesas,usbhs-r8a7795" for r8a7795 (R-Car H3) compatible device
+       - "renesas,rcar-gen2-usbhs" for R-Car Gen2 compatible device
+       - "renesas,rcar-gen3-usbhs" for R-Car Gen3 compatible device
+
+       When compatible with the generic version, nodes must list the
+       SoC-specific version corresponding to the platform first followed
+       by the generic version.
+

   This kinda contradicts the above claim.

[...]

MBR, Sergei

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