Add pin muxing support for the Nokia N900 i2c controllers.
Signed-off-by: Sebastian Reichel <sre@xxxxxxxxxx>
---
arch/arm/boot/dts/omap3-n900.dts | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
index e13b697..ad4edd9 100644
--- a/arch/arm/boot/dts/omap3-n900.dts
+++ b/arch/arm/boot/dts/omap3-n900.dts
@@ -28,7 +28,35 @@
};
+&omap3_pmx_core {
+ pinctrl-names = "default";
+
+ i2c1_pins: pinmux_i2c1_pins {
+ pinctrl-single,pins = <
+ 0x18a (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c1_scl */
+ 0x18c (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c1_sda */
+ >;
+ };
+
+ i2c2_pins: pinmux_i2c2_pins {
+ pinctrl-single,pins = <
+ 0x18e (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c2_scl */
+ 0x190 (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c2_sda */
+ >;
+ };
+
+ i2c3_pins: pinmux_i2c3_pins {
+ pinctrl-single,pins = <
+ 0x192 (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c3_scl */
+ 0x194 (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c3_sda */
+ >;
+ };
+};
+
&i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1_pins>;
+
clock-frequency = <2200000>;
twl: twl@48 {
@@ -39,6 +67,7 @@
};
#include "twl4030.dtsi"
+#include "twl4030_omap3.dtsi"
&twl_gpio {
ti,pullups = <0x0>;
@@ -46,10 +75,16 @@
};
&i2c2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c2_pins>;
+
clock-frequency = <400000>;
};
&i2c3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c3_pins>;
+
clock-frequency = <100000>;
};
--
1.8.4.rc3
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