add i2c1 device and mma8451 for sabresd board
Signed-off-by: Frank Li <Frank.Li@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/imx6q-sabresd.dts | 24 ++++++++++++++++++++++++
arch/arm/boot/dts/imx6q.dtsi | 5 +++++
2 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/imx6q-sabresd.dts b/arch/arm/boot/dts/imx6q-sabresd.dts
index e596c28..aefdee4 100644
--- a/arch/arm/boot/dts/imx6q-sabresd.dts
+++ b/arch/arm/boot/dts/imx6q-sabresd.dts
@@ -42,6 +42,7 @@
1410 0x80000000 /* MX6Q_PAD_NANDF_D1__GPIO_2_1 */
1418 0x80000000 /* MX6Q_PAD_NANDF_D2__GPIO_2_2 */
1426 0x80000000 /* MX6Q_PAD_NANDF_D3__GPIO_2_3 */
+ 160 0x80000000 /* MX6Q_PAD_EIM_EB3__GPIO_2_31 */
>;
};
};
@@ -71,6 +72,29 @@
wp-gpios = <&gpio2 1 0>;
status = "okay";
};
+
+ i2c@021a0000 { /* I2C1 */
+ status = "okay";
+ clock-frequency = <100000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c1_2>;
+
+ mma8451@1c {
+ compatible = "fsl,mma8451";
+ reg = <0x1c>;
+ vdd-supply = <&sensor>;
+ vddio-supply = <&sensor>;
+ };
+ };
};
};
+ sensor: fixedregulator@0 {
+ compatible = "regulator-fixed";
+ regulator-name = "sensor-supply";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ gpio = <&gpio2 31 1>;
+ startup-delay-us = <70000>;
+ enable-active-high;
+ };
};
diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi
index f3990b0..b637c70 100644
--- a/arch/arm/boot/dts/imx6q.dtsi
+++ b/arch/arm/boot/dts/imx6q.dtsi
@@ -637,6 +637,11 @@
196 0x4001b8b1 /* MX6Q_PAD_EIM_D28__I2C1_SDA */
>;
};
+ pinctrl_i2c1_2: i2c1grp-2 {
+ fsl,pins = <
+ 1125 0x4001b8b1 /* MX6Q_PAD_CSI0_DAT8__I2C1_SDA */
+ 1133 0x4001b8b1 /* MX6Q_PAD_CSI0_DAT9__I2C1_SCL */ >;
+ };
};
uart1 {
--
1.7.1
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