Add fallback compatibility strings for R-Car Gen1, Gen2, and Gen3.
This is in keeping with the fallback scheme being adopted wherever
appropriate for drivers for Renesas SoCs.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
---
v3:
- New.
---
.../devicetree/bindings/serial/renesas,sci-serial.txt | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt b/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt
index 2c9e6b8477e92792..7091213f02513cda 100644
--- a/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt
+++ b/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt
@@ -2,7 +2,7 @@
Required properties:
- - compatible: Must contain one of the following:
+ - compatible: Must contain one or more of the following:
- "renesas,scif-r7s72100" for R7S72100 (RZ/A1H) SCIF compatible UART.
- "renesas,scifa-r8a73a4" for R8A73A4 (R-Mobile APE6) SCIFA compatible UART.
@@ -27,6 +27,14 @@ Required properties:
- "renesas,hscif-r8a7795" for R8A7795 (R-Car H3) HSCIF compatible UART.
- "renesas,scifa-sh73a0" for SH73A0 (SH-Mobile AG5) SCIFA compatible UART.
- "renesas,scifb-sh73a0" for SH73A0 (SH-Mobile AG5) SCIFB compatible UART.
+ - "renesas,rcar-gen1-scif" for R-Car Gen1 SCIF compatible UART,
+ - "renesas,rcar-gen2-scif" for R-Car Gen2 SCIF compatible UART,
+ - "renesas,rcar-gen3-scif" for R-Car Gen3 SCIF compatible UART,
+ - "renesas,rcar-gen2-scifa" for R-Car Gen2 SCIFA compatible UART,
+ - "renesas,rcar-gen2-scifb" for R-Car Gen2 SCIFB compatible UART,
+ - "renesas,rcar-gen1-hscif" for R-Car Gen1 HSCIF compatible UART,
+ - "renesas,rcar-gen2-hscif" for R-Car Gen2 HSCIF compatible UART,
+ - "renesas,rcar-gen3-hscif" for R-Car Gen3 HSCIF compatible UART,
- "renesas,scif" for generic SCIF compatible UART.
- "renesas,scifa" for generic SCIFA compatible UART.
- "renesas,scifb" for generic SCIFB compatible UART.
@@ -34,8 +42,8 @@ Required properties:
- "renesas,sci" for generic SCI compatible UART.
When compatible with the generic version, nodes must list the
- SoC-specific version corresponding to the platform first followed by the
- generic version.
+ SoC-specific version corresponding to the platform first, followed by the
+ family-specific and/or generic versions.
- reg: Base address and length of the I/O registers used by the UART.
- interrupts: Must contain an interrupt-specifier for the SCIx interrupt.
@@ -58,7 +66,8 @@ Example:
};
scifa0: serial@e6c40000 {
- compatible = "renesas,scifa-r8a7790", "renesas,scifa";
+ compatible = "renesas,scifa-r8a7790",
+ "renesas,rcar-gen2-scifa", "renesas,scifa";
reg = <0 0xe6c40000 0 64>;
interrupt-parent = <&gic>;
interrupts = <0 144 IRQ_TYPE_LEVEL_HIGH>;
--
1.9.1
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