From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Robinson Subject: [PATCH] ARM: dts: imx6sx-udoo-neo: enable i2c-2 and i2c-4 for onboard sensors Date: Fri, 13 Jul 2018 18:11:51 +0100 Message-ID: <20180713171151.24699-1-pbrobinson@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Cc: Peter Robinson List-Id: devicetree@vger.kernel.org The i2c2 bus has a external plug which enables the easy connection of external "bricks" with sensors of various kinds, while i2c4 on the Extended/Full boards has a pair of on board motion sensors, accelerometer and magnetometer on one chip and gyroscope on another so it makes sense to enable these i2c buses for use. Tested on UDOO Neo Full. Signed-off-by: Peter Robinson --- .../arm/boot/dts/imx6sx-udoo-neo-extended.dts | 7 +++++++ arch/arm/boot/dts/imx6sx-udoo-neo-full.dts | 7 +++++++ arch/arm/boot/dts/imx6sx-udoo-neo.dtsi | 19 +++++++++++++++++++ 3 files changed, 33 insertions(+) diff --git a/arch/arm/boot/dts/imx6sx-udoo-neo-extended.dts b/arch/arm/boot/dts/imx6sx-udoo-neo-extended.dts index 42bfc8f8f7f6b..9ef424f48c523 100644 --- a/arch/arm/boot/dts/imx6sx-udoo-neo-extended.dts +++ b/arch/arm/boot/dts/imx6sx-udoo-neo-extended.dts @@ -52,3 +52,10 @@ reg = <0x80000000 0x40000000>; }; }; + +&i2c4 { /* Onboard Motion sensors */ + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c4>; + clock-frequency = <100000>; + status = "okay"; +}; diff --git a/arch/arm/boot/dts/imx6sx-udoo-neo-full.dts b/arch/arm/boot/dts/imx6sx-udoo-neo-full.dts index c84c877f09d49..a3d3b731ac9ed 100644 --- a/arch/arm/boot/dts/imx6sx-udoo-neo-full.dts +++ b/arch/arm/boot/dts/imx6sx-udoo-neo-full.dts @@ -67,3 +67,10 @@ }; }; }; + +&i2c4 { /* Onboard Motion sensors */ + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c4>; + clock-frequency = <100000>; + status = "okay"; +}; diff --git a/arch/arm/boot/dts/imx6sx-udoo-neo.dtsi b/arch/arm/boot/dts/imx6sx-udoo-neo.dtsi index 53b3eac94f0de..dad8611cc2851 100644 --- a/arch/arm/boot/dts/imx6sx-udoo-neo.dtsi +++ b/arch/arm/boot/dts/imx6sx-udoo-neo.dtsi @@ -225,6 +225,13 @@ }; }; +&i2c2 { /* Brick snap in sensors connector */ + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c2>; + clock-frequency = <100000>; + status = "okay"; +}; + &iomuxc { pinctrl_bt_reg: btreggrp { fsl,pins = @@ -256,6 +263,18 @@ ; }; + pinctrl_i2c2: i2c2grp { + fsl,pins = + , + ; + }; + + pinctrl_i2c4: i2c4grp { + fsl,pins = + , + ; + }; + pinctrl_uart1: uart1grp { fsl,pins = , -- 2.17.1