for now on use i2c-gpio driver on the same pin as the hardware IP
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <[email protected]>
Cc: Nicolas Ferre <[email protected]>
Cc: [email protected]
---
v2:
update DT bindings
Best Regards,
J.
arch/arm/boot/dts/at91sam9g45.dtsi | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi
b/arch/arm/boot/dts/at91sam9g45.dtsi
index a12ebc4..9f266ee 100644
--- a/arch/arm/boot/dts/at91sam9g45.dtsi
+++ b/arch/arm/boot/dts/at91sam9g45.dtsi
@@ -211,6 +211,19 @@
status = "disabled";
};
+ i2c-gpio@0 {
+ compatible = "i2c-gpio";
+ gpios = <&pioA 20 0 /* sda */
+ &pioA 21 0 /* scl */
+ >;
+ i2c-gpio,sda-open-drain;
+ i2c-gpio,scl-open-drain;
+ udelay = <5>; /* ~100 kHz */
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
};
};
};
--
1.7.7
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