mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: "Lothar Waßmann" <LW@KARO-electronics.de>
To: Fabio Estevam <fabio.estevam@nxp.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Rob Herring <robh+dt@kernel.org>,
	Russell King <linux@armlinux.org.uk>,
	Sascha Hauer <kernel@pengutronix.de>,
	Shawn Guo <shawnguo@kernel.org>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Cc: "Lothar Waßmann" <LW@KARO-electronics.de>
Subject: [PATCH 1/7] ARM: dts: imx6ul-txul: enable I2C bus recovery
Date: Fri, 13 Oct 2017 12:42:57 +0200	[thread overview]
Message-ID: <1507891383-15452-2-git-send-email-LW@KARO-electronics.de> (raw)
In-Reply-To: <1507891383-15452-1-git-send-email-LW@KARO-electronics.de>

Define the required properties to enable I2C bus recovery supported by
the I2C subsystem.

Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
---
 arch/arm/boot/dts/imx6ul-tx6ul.dtsi | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx6ul-tx6ul.dtsi b/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
index ec745eb..d30c4e05 100644
--- a/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
+++ b/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Lothar Waßmann <LW@KARO-electronics.de>
+ * Copyright 2015-2017 Lothar Waßmann <LW@KARO-electronics.de>
  *
  * This file is dual-licensed: you can use it either under the terms
  * of the GPL or the X11 license, at your option. Note that this dual
@@ -357,8 +357,11 @@
 };
 
 &i2c2 {
-	pinctrl-names = "default";
+	pinctrl-names = "default", "gpio";
 	pinctrl-0 = <&pinctrl_i2c2>;
+	pinctrl-1 = <&pinctrl_i2c2_gpio>;
+	scl-gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
+	sda-gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
 	clock-frequency = <400000>;
 	status = "okay";
 
@@ -817,6 +820,13 @@
 		>;
 	};
 
+	pinctrl_i2c2_gpio: i2c2-gpiogrp {
+		fsl,pins = <
+			MX6UL_PAD_GPIO1_IO00__GPIO1_IO00	0x4001b0b9
+			MX6UL_PAD_GPIO1_IO01__GPIO1_IO01	0x4001b0b9
+		>;
+	};
+
 	pinctrl_kpp: kppgrp {
 		fsl,pins = <
 			MX6UL_PAD_ENET2_RX_DATA1__KPP_COL04	0x1b0b0
-- 
2.1.4

  reply	other threads:[~2017-10-13 10:43 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-13 10:42 [PATCH 0/7] ARM: dts: imx6ul: Update dts files for the Ka-Ro TXUL module series Lothar Waßmann
2017-10-13 10:42 ` Lothar Waßmann [this message]
2017-10-13 10:42 ` [PATCH 2/7] ARM: dts: imx6ul-txul: specify ethernet phy reset post-delay Lothar Waßmann
2017-10-13 10:42 ` [PATCH 3/7] ARM: dts: imx6ul: add support for TXUL-8013 Lothar Waßmann
2017-10-13 10:43 ` [PATCH 4/7] ARM: dts: imx6ul-txul: use panel-simple driver for LCD Lothar Waßmann
2017-10-14 15:38   ` Shawn Guo
2017-10-13 10:43 ` [PATCH 5/7] ARM: dts: imx6ul-txul: use interrupts-extended property Lothar Waßmann
2017-10-13 10:43 ` [PATCH 6/7] ARM: dts: imx6ul: add support for TXUL modules on TXUL-Mainboard Lothar Waßmann
2017-10-16 20:33   ` Fabio Estevam
2017-10-17  9:50     ` Lothar Waßmann
2017-10-13 10:43 ` [PATCH 7/7] ARM: dts: imx6ul-txul: add support for TXUL modules on MB7 baseboard Lothar Waßmann

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1507891383-15452-2-git-send-email-LW@KARO-electronics.de \
    --to=lw@karo-electronics.de \
    --cc=devicetree@vger.kernel.org \
    --cc=fabio.estevam@nxp.com \
    --cc=kernel@pengutronix.de \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@armlinux.org.uk \
    --cc=mark.rutland@arm.com \
    --cc=robh+dt@kernel.org \
    --cc=shawnguo@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®