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-rw-r--r--Documentation/devicetree/bindings/ata/sata_rcar.txt14
1 files changed, 11 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/ata/sata_rcar.txt b/Documentation/devicetree/bindings/ata/sata_rcar.txt
index 0764f9ab63dc..e20eac7a3087 100644
--- a/Documentation/devicetree/bindings/ata/sata_rcar.txt
+++ b/Documentation/devicetree/bindings/ata/sata_rcar.txt
@@ -1,14 +1,22 @@
* Renesas R-Car SATA
Required properties:
-- compatible : should contain one of the following:
+- compatible : should contain one or more 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
- "renesas,sata-r8a7793" for R-Car M2-N
- "renesas,sata-r8a7795" for R-Car H3
+ - "renesas,rcar-gen2-sata" for a generic R-Car Gen2 compatible device
+ - "renesas,rcar-gen3-sata" for a generic R-Car Gen3 compatible device
+ - "renesas,rcar-sata" is deprecated
+
+ When compatible with the generic version nodes
+ must list the SoC-specific version corresponding
+ to the platform first followed by the generic
+ version.
+
- reg : address and length of the SATA registers;
- interrupts : must consist of one interrupt specifier.
- clocks : must contain a reference to the functional clock.
@@ -16,7 +24,7 @@ Required properties:
Example:
sata0: sata@ee300000 {
- compatible = "renesas,sata-r8a7791";
+ compatible = "renesas,sata-r8a7791", "renesas,rcar-gen2-sata";
reg = <0 0xee300000 0 0x2000>;
interrupt-parent = <&gic>;
interrupts = <0 105 IRQ_TYPE_LEVEL_HIGH>;