for now on use gpio-i2c driver on the same pin as the hardware IP
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <[email protected]>
Cc: [email protected]
---
arch/arm/boot/dts/at91sam9g20.dtsi | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/at91sam9g20.dtsi
b/arch/arm/boot/dts/at91sam9g20.dtsi
index f8f4627..d52e827 100644
--- a/arch/arm/boot/dts/at91sam9g20.dtsi
+++ b/arch/arm/boot/dts/at91sam9g20.dtsi
@@ -220,6 +220,19 @@
status = "disabled";
};
+ i2c-gpio@0 {
+ compatible = "gpio-i2c";
+ gpios = <&pioA 23 0 /* sda */
+ &pioA 24 0 /* scl */
+ >;
+ gpio-i2c,sda_is_open_drain;
+ gpio-i2c,scl_is_open_drain;
+ udelay = <2>; /* ~100 kHz */
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
};
};
};
--
1.7.7
_______________________________________________
devicetree-discuss mailing list
[email protected]
https://lists.ozlabs.org/listinfo/devicetree-discuss
