[media] rcar_jpu: Add R-Car Gen2 Fallback Compatibility String

Add fallback compatibility string.
This is in keeping with the fallback scheme being adopted wherever
appropriate for drivers for Renesas SoCs.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

diff --git a/Documentation/devicetree/bindings/media/renesas,jpu.txt b/Documentation/devicetree/bindings/media/renesas,jpu.txt
index 0cb9420..d3436e5 100644 (file)
--- a/Documentation/devicetree/bindings/media/renesas,jpu.txt
+++ b/Documentation/devicetree/bindings/media/renesas,jpu.txt
@@ -5,11 +5,12 @@ and decoding function conforming to the JPEG baseline process, so that the JPU
 can encode image data and decode JPEG data quickly.
 
 Required properties:
-  - compatible: should containg one of the following:
-                       - "renesas,jpu-r8a7790" for R-Car H2
-                       - "renesas,jpu-r8a7791" for R-Car M2-W
-                       - "renesas,jpu-r8a7792" for R-Car V2H
-                       - "renesas,jpu-r8a7793" for R-Car M2-N
+- compatible: "renesas,jpu-<soctype>", "renesas,rcar-gen2-jpu" as fallback.
+       Examples with soctypes are:
+         - "renesas,jpu-r8a7790" for R-Car H2
+         - "renesas,jpu-r8a7791" for R-Car M2-W
+         - "renesas,jpu-r8a7792" for R-Car V2H
+         - "renesas,jpu-r8a7793" for R-Car M2-N
 
   - reg: Base address and length of the registers block for the JPU.
   - interrupts: JPU interrupt specifier.
@@ -17,7 +18,7 @@ Required properties:
 
 Example: R8A7790 (R-Car H2) JPU node
        jpeg-codec@fe980000 {
-               compatible = "renesas,jpu-r8a7790";
+               compatible = "renesas,jpu-r8a7790", "renesas,rcar-gen2-jpu";
                reg = <0 0xfe980000 0 0x10300>;
                interrupts = <0 272 IRQ_TYPE_LEVEL_HIGH>;
                clocks = <&mstp1_clks R8A7790_CLK_JPU>;

diff --git a/drivers/media/platform/rcar_jpu.c b/drivers/media/platform/rcar_jpu.c
index 485f525..552789a 100644 (file)
--- a/drivers/media/platform/rcar_jpu.c
+++ b/drivers/media/platform/rcar_jpu.c
@@ -1613,6 +1613,7 @@ static const struct of_device_id jpu_dt_ids[] = {
        { .compatible = "renesas,jpu-r8a7791" }, /* M2-W */
        { .compatible = "renesas,jpu-r8a7792" }, /* V2H */
        { .compatible = "renesas,jpu-r8a7793" }, /* M2-N */
+       { .compatible = "renesas,rcar-gen2-jpu" },
        { },
 };
 MODULE_DEVICE_TABLE(of, jpu_dt_ids);