[RFC 21/37] dt-bindings: watchdog: renesas-wdt: Add R-Car Gen2 support
From: Fabrizio Castro <hidden>
Date: 2018-01-25 18:02:55
Also in:
linux-clk, linux-devicetree, linux-renesas-soc, linux-watchdog
Subsystem:
open firmware and flattened device tree bindings, the rest, watchdog device drivers · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Wim Van Sebroeck, Guenter Roeck
This commit documents the compatibility with R-Car Gen2 and RZ/G devices by defining the generifc compatible string "renesas,rcar-gen2-wdt". Signed-off-by: Fabrizio Castro <redacted> Signed-off-by: Ramesh Shanmugasundaram <redacted> --- Documentation/devicetree/bindings/watchdog/renesas-wdt.txt | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt b/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt
index bf6d1ca..436dca5 100644
--- a/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt@@ -1,17 +1,20 @@ Renesas Watchdog Timer (WDT) Controller Required properties: -- compatible : Should be "renesas,<soctype>-wdt", and - "renesas,rcar-gen3-wdt" or "renesas,rza-wdt" as fallback. + - compatible : Must be "renesas,<soctype>-wdt", followed by a generic + fallback compatible string when compatible with the generic + version. Examples with soctypes are: + - "renesas,r8a7743-wdt" (RZ/G1M) + - "renesas,r8a7745-wdt" (RZ/G1E) - "renesas,r8a7795-wdt" (R-Car H3) - "renesas,r8a7796-wdt" (R-Car M3-W) - "renesas,r8a77995-wdt" (R-Car D3) - "renesas,r7s72100-wdt" (RZ/A1) + The generic compatible string must be: + - "renesas,rcar-gen2-wdt" for R-Car Gen2 and RZ/G + - "renesas,rcar-gen3-wdt" for R-Car Gen3 - When compatible with the generic version, nodes must list the SoC-specific - version corresponding to the platform first, followed by the generic - version. - reg : Should contain WDT registers location and length - clocks : the clock feeding the watchdog timer.
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2.7.4