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From: Geert Uytterhoeven <>
To: Rob Herring <>,
	Wolfram Sang <>,
	Magnus Damm <>,
	Lad Prabhakar <>
	Geert Uytterhoeven <>
Subject: [PATCH v2 1/5] dt-bindings: i2c: renesas,iic: Always declare generic compatibility
Date: Fri, 18 Jun 2021 13:04:07 +0200	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

According to the Hardware User's Manual, automatic transmission for PMIC
control (DVFS) is not available on the R-Car E3 and RZ/G2E SoC.
Experiments showed this really means that support for automatic DVFS is
not present, while the IIC automatic transmission feature itself is
still available, albeit not super useful.

Hence there is no longer a reason not to declare compatibility with the
R-Car Gen3-specific and generic versions, and the corresponding
paragraph can be dropped.

Signed-off-by: Geert Uytterhoeven <>
  - New.

 Documentation/devicetree/bindings/i2c/renesas,iic.txt | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/i2c/renesas,iic.txt b/Documentation/devicetree/bindings/i2c/renesas,iic.txt
index 93d412832e66b682..5de808f79b0630c2 100644
--- a/Documentation/devicetree/bindings/i2c/renesas,iic.txt
+++ b/Documentation/devicetree/bindings/i2c/renesas,iic.txt
@@ -37,11 +37,6 @@ Required properties:
 			When compatible with "renesas,rmobile-iic" it should
 			be the last compatibility string listed.
-			The r8a77990 (R-Car E3) and r8a774c0 (RZ/G2E)
-			controllers are not considered compatible with
-			"renesas,rcar-gen3-iic" or "renesas,rmobile-iic"
-			due to the absence of automatic transmission registers.
 - reg             : address start and address range size of device
 - interrupts      : interrupt of device
 - clocks          : clock for device

       reply	other threads:[~2021-06-18 11:04 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <>
2021-06-18 11:04 ` Geert Uytterhoeven [this message]
2021-06-20 20:42   ` Wolfram Sang
2021-06-18 11:04 ` [PATCH v2 2/5] ARM: dts: rzg1: Add generic compatible strings to IIC nodes Geert Uytterhoeven
2021-06-18 11:04 ` [PATCH v2 3/5] arm64: dts: renesas: r8a774c0: Add generic compatible string to IIC node Geert Uytterhoeven
2021-06-18 11:04 ` [PATCH v2 4/5] arm64: dts: renesas: r8a77990: " Geert Uytterhoeven
2021-06-18 11:04 ` [PATCH v2 5/5] dt-bindings: i2c: renesas,iic: Convert to json-schema Geert Uytterhoeven
2021-06-20 20:42   ` Wolfram Sang

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