From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757408AbdJKL5j (ORCPT ); Wed, 11 Oct 2017 07:57:39 -0400 Received: from smtprelay04.ispgateway.de ([80.67.31.27]:32765 "EHLO smtprelay04.ispgateway.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757248AbdJKLyl (ORCPT ); Wed, 11 Oct 2017 07:54:41 -0400 From: =?UTF-8?q?Lothar=20Wa=C3=9Fmann?= To: Fabio Estevam , Mark Rutland , Rob Herring , Russell King , Sascha Hauer , Shawn Guo , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: =?UTF-8?q?Lothar=20Wa=C3=9Fmann?= Subject: [PATCH 08/12] ARM: dts: imx6-tx6: add support for I2C bus recovery Date: Wed, 11 Oct 2017 13:50:31 +0200 Message-Id: <1507722635-30801-9-git-send-email-LW@KARO-electronics.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1507722635-30801-1-git-send-email-LW@KARO-electronics.de> References: <1507722635-30801-1-git-send-email-LW@KARO-electronics.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Df-Sender: bHdAa2Fyby1lbGVjdHJvbmljcy5kZQ== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Define the required properties to enable I2C bus recovery supported by the I2C subsystem. Signed-off-by: Lothar Waßmann --- arch/arm/boot/dts/imx6qdl-tx6.dtsi | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/imx6qdl-tx6.dtsi b/arch/arm/boot/dts/imx6qdl-tx6.dtsi index e0dbf8b..9b563d4 100644 --- a/arch/arm/boot/dts/imx6qdl-tx6.dtsi +++ b/arch/arm/boot/dts/imx6qdl-tx6.dtsi @@ -310,8 +310,11 @@ }; &i2c1 { - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c1>; + pinctrl-1 = <&pinctrl_i2c1_gpio>; + scl-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>; + sda-gpios = <&gpio3 28 GPIO_ACTIVE_HIGH>; clock-frequency = <400000>; status = "okay"; @@ -324,8 +327,11 @@ }; &i2c3 { - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c3>; + pinctrl-1 = <&pinctrl_i2c3_gpio>; + scl-gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>; + sda-gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>; clock-frequency = <400000>; status = "okay"; @@ -551,6 +557,13 @@ >; }; + pinctrl_i2c1_gpio: i2c1-gpiogrp { + fsl,pins = < + MX6QDL_PAD_EIM_D21__GPIO3_IO21 0x4001b8b1 + MX6QDL_PAD_EIM_D28__GPIO3_IO28 0x4001b8b1 + >; + }; + pinctrl_i2c3: i2c3grp { fsl,pins = < MX6QDL_PAD_GPIO_3__I2C3_SCL 0x4001b8b1 @@ -558,6 +571,13 @@ >; }; + pinctrl_i2c3_gpio: i2c3-gpiogrp { + fsl,pins = < + MX6QDL_PAD_GPIO_3__GPIO1_IO03 0x4001b8b1 + MX6QDL_PAD_GPIO_6__GPIO1_IO06 0x4001b8b1 + >; + }; + pinctrl_kpp: kppgrp { fsl,pins = < MX6QDL_PAD_GPIO_9__KEY_COL6 0x1b0b1 -- 2.1.4