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@xxxxxxxxxxxx> --- Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt b/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt index d81b62643655..bc876b71d1e4 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt @@ -16,6 +16,7 @@ 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) @@ -28,7 +29,13 @@ 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 -- 2.11.0
