sata_rcar: Document deprecated "renesas,rcar-sata"

Commit e67adb4e669db834 ("sata_rcar: Add R-Car Gen2 SATA PHY support")
deprecated "renesas,rcar-sata" in favor of "renesas,sata-r8a7779", but
the deprecated value was never documented in the binding documentation,
while it is still in active use.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/Documentation/devicetree/bindings/ata/sata_rcar.txt b/Documentation/devicetree/bindings/ata/sata_rcar.txt
index f09c1ee..2493a5a 100644 (file)
--- a/Documentation/devicetree/bindings/ata/sata_rcar.txt
+++ b/Documentation/devicetree/bindings/ata/sata_rcar.txt
@@ -3,6 +3,7 @@
 Required properties:
 - compatible           : should contain one of the following:
                          - "renesas,sata-r8a7779" for R-Car H1
+                           ("renesas,rcar-sata" is deprecated)
                          - "renesas,sata-r8a7790-es1" for R-Car H2 ES1
                          - "renesas,sata-r8a7790" for R-Car H2 other than ES1
                          - "renesas,sata-r8a7791" for R-Car M2-W