On Monday 28 July 2014 11:48 AM, Keerthy wrote:
From: Keerthy J <j-keerthy@xxxxxx>
I2C1 bus is used for the following peripherals
P8 connector (MLB)
TLV320AIC3106 Audio codec
J15 LCD header
24WC256 eeprom
TMP102AIDRLT temperature sensor
PCF8575 GPIO expander
PCA9306 i2c voltage translator -> Goes to P9 for comm interface
P2 expansion connector
TPS65917 PMIC
The slowest speed of all the peripherals seems to be 400KHz.
Correcting the 'to' list.
Tested-by: Lokesh Vutla <lokeshvutla@xxxxxx>
Signed-off-by: Nishanth Menon <nm@xxxxxx>
Signed-off-by: Keerthy <j-keerthy@xxxxxx>
---
arch/arm/boot/dts/dra72-evm.dts | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/arch/arm/boot/dts/dra72-evm.dts b/arch/arm/boot/dts/dra72-evm.dts
index 5147023..1e12862 100644
--- a/arch/arm/boot/dts/dra72-evm.dts
+++ b/arch/arm/boot/dts/dra72-evm.dts
@@ -19,6 +19,22 @@
};
};
+&dra7_pmx_core {
+ i2c1_pins: pinmux_i2c1_pins {
+ pinctrl-single,pins = <
+ 0x400 (PIN_INPUT | MUX_MODE0) /* i2c1_sda.i2c1_sda */
+ 0x404 (PIN_INPUT | MUX_MODE0) /* i2c1_scl.i2c1_scl */
+ >;
+ };
+};
+
+&i2c1 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1_pins>;
+ clock-frequency = <400000>;
+};
+
&uart1 {
status = "okay";
};
--
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