From: Alexander Shiyan <shc_work@mail.ru>
To: linux-arm-kernel@lists.infradead.org
Cc: Alexander Shiyan <shc_work@mail.ru>,
Sascha Hauer <s.hauer@pengutronix.de>,
NXP Linux Team <linux-imx@nxp.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <fabio.estevam@nxp.com>,
Shawn Guo <shawnguo@kernel.org>
Subject: [PATCH 4/4] ARM: dts: i.MX51: digi-connectcore-som: Add support for I2C bus recovery
Date: Sun, 23 Dec 2018 09:03:42 +0300 [thread overview]
Message-ID: <20181223060342.32054-4-shc_work@mail.ru> (raw)
In-Reply-To: <20181223060342.32054-1-shc_work@mail.ru>
Define the required properties to enable I2C bus recovery supported by
the I2C subsystem.
This patch adds GPIO based I2C fault injector for Digi Connectcore SOM.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
---
arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi b/arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi
index a2a6408..d90ba5f 100644
--- a/arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi
+++ b/arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi
@@ -174,9 +174,12 @@
};
&i2c2 {
- pinctrl-names = "default";
+ pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c2>;
+ pinctrl-1 = <&pinctrl_i2c2_gpio>;
clock-frequency = <400000>;
+ scl-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
+ sda-gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>;
status = "okay";
mma7455l@1d {
@@ -290,6 +293,13 @@
>;
};
+ pinctrl_i2c2_gpio: i2c2gpiogrp {
+ fsl,pins = <
+ MX51_PAD_GPIO1_2__GPIO1_2 0x400001ed
+ MX51_PAD_GPIO1_3__GPIO1_3 0x400001ed
+ >;
+ };
+
pinctrl_nfc: nfcgrp {
fsl,pins = <
MX51_PAD_NANDF_D0__NANDF_D0 0x80000000
--
2.10.2
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next prev parent reply other threads:[~2018-12-23 6:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-23 6:03 [PATCH 1/4] ARM: dts: i.MX51: Add device_type to Digi ConnectCore memory node Alexander Shiyan
2018-12-23 6:03 ` [PATCH 2/4] ARM: dts: i.MX51: digi-connectcore: Move RTC from SOM to JSK Alexander Shiyan
2018-12-23 6:03 ` [PATCH 3/4] ARM: dts: i.MX51: imx51-digi-connectcore: Enable ESDHC1 Alexander Shiyan
2018-12-23 6:03 ` Alexander Shiyan [this message]
2019-01-12 3:05 ` [PATCH 1/4] ARM: dts: i.MX51: Add device_type to Digi ConnectCore memory node Shawn Guo
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