From: Wolfram Sang <[email protected]>
Reported-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
Cc: [email protected]
---
.../devicetree/bindings/i2c/i2c-sh_mobile.txt | 26 ++++++++++++++++++++++
1 file changed, 26 insertions(+)
create mode 100644 Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt
diff --git a/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt
b/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt
new file mode 100644
index 000000000000..d2153ce36fa8
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt
@@ -0,0 +1,26 @@
+Device tree configuration for Renesas IIC (sh_mobile) driver
+
+Required properties:
+- compatible : "renesas,iic-<soctype>". "renesas,rmobile-iic" as fallback
+- reg : address start and address range size of device
+- interrupts : interrupt of device
+- clocks : clock for device
+- #address-cells : should be <1>
+- #size-cells : should be <0>
+
+Optional properties:
+- clock-frequency : frequency of bus clock in Hz. Default 100kHz if unset.
+
+Pinctrl properties might be needed, too. See there.
+
+Example:
+
+ iic0: i2c@e6500000 {
+ compatible = "renesas,iic-r8a7790", "renesas,rmobile-iic";
+ reg = <0 0xe6500000 0 0x425>;
+ interrupts = <0 174 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp3_clks R8A7790_CLK_IIC0>;
+ clock-frequency = <400000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
--
1.9.2
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