[4.19.y,1/9] i2c: sh_mobile: document support for r8a77990 (R-Car E3)
diff mbox series

Message ID 1553688789-43441-2-git-send-email-biju.das@bp.renesas.com
State Accepted
Delegated to: Pavel Machek
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Series
  • Add i2c/msiof support
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Commit Message

Biju Das March 27, 2019, 12:13 p.m. UTC
From: Simon Horman <horms+renesas@verge.net.au>

Document support for the IIC code for the r8a77990 (R-Car E3).

It is not considered compatible with existing fallback bindings
due to the documented absence of automatic transmission registers.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
(cherry picked from commit fca34b910ddc556c51294d58287f7c33863dddef)
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
---
 Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

Comments

Pavel Machek April 12, 2019, 7:54 a.m. UTC | #1
On Wed 2019-03-27 12:13:01, Biju Das wrote:
> From: Simon Horman <horms+renesas@verge.net.au>
> 
> Document support for the IIC code for the r8a77990 (R-Car E3).
> 
> It is not considered compatible with existing fallback bindings
> due to the documented absence of automatic transmission registers.
> 
> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
> (cherry picked from commit fca34b910ddc556c51294d58287f7c33863dddef)
> Signed-off-by: Biju Das <biju.das@bp.renesas.com>

Thanks, I applied the series.
								Pavel

Patch
diff mbox series

diff --git a/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt b/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt
index 872673a..cc62577 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt
@@ -15,6 +15,7 @@  Required properties:
 			- "renesas,iic-r8a7795" (R-Car H3)
 			- "renesas,iic-r8a7796" (R-Car M3-W)
 			- "renesas,iic-r8a77965" (R-Car M3-N)
+			- "renesas,iic-r8a77990" (R-Car E3)
 			- "renesas,iic-sh73a0" (SH-Mobile AG5)
 			- "renesas,rcar-gen2-iic" (generic R-Car Gen2 or RZ/G1
 							compatible device)
@@ -27,7 +28,13 @@  Required properties:
 			the platform first followed by the generic R-Car
 			version.
 
-			renesas,rmobile-iic must always follow.
+			When compatible with "renesas,rmobile-iic" it should
+			be the last compatibility string listed.
+
+			The r8a77990 (R-Car E3) controller is 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