From: Yong Li <sdliyong@xxxxxxxxx>
Without this patch, I2C-1 is missing on beaglebone black boards
Signed-off-by: Yong Li <sdliyong@xxxxxxxxx>
---
arch/arm/boot/dts/am335x-boneblack.dts | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-boneblack.dts b/arch/arm/boot/dts/am335x-boneblack.dts
index 55c0e95..7eee5c4 100644
--- a/arch/arm/boot/dts/am335x-boneblack.dts
+++ b/arch/arm/boot/dts/am335x-boneblack.dts
@@ -64,6 +64,13 @@
AM33XX_IOPAD(0x9b0, PIN_OUTPUT_PULLDOWN | MUX_MODE3) /* xdma_event_intr0 */
>;
};
+
+ i2c1_pins: pinmux_i2c1_pins {
+ pinctrl-single,pins = <
+ AM33XX_IOPAD(0x958, PIN_INPUT_PULLUP | MUX_MODE2) /* spi0_d1.i2c1_sda */
+ AM33XX_IOPAD(0x95c, PIN_INPUT_PULLUP | MUX_MODE2) /* spi0_cs0.i2c1_scl */
+ >;
+ };
};
&lcdc {
@@ -91,6 +98,14 @@
};
};
+&i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c2_pins>;
+
+ status = "okay";
+ clock-frequency = <100000>;
+};
+
&rtc {
system-power-controller;
};
--
2.7.4
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