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-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt18
1 files changed, 15 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt b/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt
index 214f94c25d37..ae9c2a735f39 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt
@@ -1,8 +1,7 @@
Device tree configuration for Renesas IIC (sh_mobile) driver
Required properties:
-- compatible : "renesas,iic-<soctype>". "renesas,rmobile-iic" as fallback
- Examples with soctypes are:
+- compatible :
- "renesas,iic-r8a73a4" (R-Mobile APE6)
- "renesas,iic-r8a7740" (R-Mobile A1)
- "renesas,iic-r8a7790" (R-Car H2)
@@ -11,7 +10,19 @@ Required properties:
- "renesas,iic-r8a7793" (R-Car M2-N)
- "renesas,iic-r8a7794" (R-Car E2)
- "renesas,iic-r8a7795" (R-Car H3)
+ - "renesas,iic-r8a7796" (R-Car M3-W)
- "renesas,iic-sh73a0" (SH-Mobile AG5)
+ - "renesas,rcar-gen2-iic" (generic R-Car Gen2 compatible device)
+ - "renesas,rcar-gen3-iic" (generic R-Car Gen3 compatible device)
+ - "renesas,rmobile-iic" (generic device)
+
+ When compatible with a generic R-Car version, nodes
+ must list the SoC-specific version corresponding to
+ the platform first followed by the generic R-Car
+ version.
+
+ renesas,rmobile-iic must always follow.
+
- reg : address start and address range size of device
- interrupts : interrupt of device
- clocks : clock for device
@@ -31,7 +42,8 @@ Pinctrl properties might be needed, too. See there.
Example:
iic0: i2c@e6500000 {
- compatible = "renesas,iic-r8a7790", "renesas,rmobile-iic";
+ compatible = "renesas,iic-r8a7790", "renesas,rcar-gen2-iic",
+ "renesas,rmobile-iic";
reg = <0 0xe6500000 0 0x425>;
interrupts = <0 174 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&mstp3_clks R8A7790_CLK_IIC0>;