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]
---
arch/arm/boot/dts/at91sam9x5.dtsi | 39 +++++++++++++++++++++++++++++++++++++
1 files changed, 39 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi
b/arch/arm/boot/dts/at91sam9x5.dtsi
index cbf331f..d71bc30 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -186,6 +186,45 @@
>;
status = "disabled";
};
+
+ i2c-gpio@0 {
+ compatible = "i2c-gpio";
+ gpios = <&pioA 30 0 /* sda */
+ &pioA 31 0 /* scl */
+ >;
+ i2c-gpio,sda-open-drain;
+ i2c-gpio,scl-open-drain;
+ udelay = <2>; /* ~100 kHz */
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ i2c-gpio@1 {
+ compatible = "i2c-gpio";
+ gpios = <&pioC 0 0 /* sda */
+ &pioC 1 0 /* scl */
+ >;
+ i2c-gpio,sda-open-drain;
+ i2c-gpio,scl-open-drain;
+ udelay = <2>; /* ~100 kHz */
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ i2c-gpio@2 {
+ compatible = "i2c-gpio";
+ gpios = <&pioB 4 0 /* sda */
+ &pioB 5 0 /* scl */
+ >;
+ i2c-gpio,sda-open-drain;
+ i2c-gpio,scl-open-drain;
+ udelay = <2>; /* ~100 kHz */
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
};
};
};
--
1.7.7
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