From: Breno Lima <breno.lima@nxp.com>
Date: Tue, 9 Aug 2016 18:40:45 +0000 (-0300)
Subject: ARM: dts: imx7s-warp: Add MPL3115 sensor support
X-Git-Tag: v4.9-rc1~76^2~14^2~27
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=171befefb274cb3af2fef7e135f325e1063fff56;p=linux.git

ARM: dts: imx7s-warp: Add MPL3115 sensor support

Add support for MPL3115 NXP pressure sensor.

Tested by reading temperature and pressure:

$ cat /sys/bus/iio/devices/iio:device0/in_temp_raw
$ cat /sys/bus/iio/devices/iio:device0/in_pressure_raw

Signed-off-by: Breno Lima <breno.lima@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm/boot/dts/imx7s-warp.dts b/arch/arm/boot/dts/imx7s-warp.dts
index e318c989c18f..ae23781034fd 100644
--- a/arch/arm/boot/dts/imx7s-warp.dts
+++ b/arch/arm/boot/dts/imx7s-warp.dts
@@ -155,6 +155,18 @@ vgen6_reg: vldo4 {
 	};
 };
 
+&i2c4 {
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c4>;
+	status = "okay";
+
+	mpl3115@60 {
+		compatible = "fsl,mpl3115";
+		reg = <0x60>;
+	};
+};
+
 &uart1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart1>;
@@ -189,6 +201,13 @@ MX7D_PAD_I2C1_SCL__I2C1_SCL		0x4000007f
 		>;
 	};
 
+	pinctrl_i2c4: i2c4grp {
+		fsl,pins = <
+			MX7D_PAD_I2C4_SCL__I2C4_SCL	0x4000007f
+			MX7D_PAD_I2C4_SDA__I2C4_SDA	0x4000007f
+		>;
+	};
+
 	pinctrl_uart1: uart1grp {
 		fsl,pins = <
 			MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX	0x79