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Message-Id: <1432158569-4415-1-git-send-email-ps.report@gmx.net>
Date: Wed, 20 May 2015 23:49:29 +0200
From: Peter Seiderer <ps.report@....net>
To: linux-kernel@...r.kernel.org
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
Russell King <linux@....linux.org.uk>,
Kumar Gala <galak@...eaurora.org>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Mark Rutland <mark.rutland@....com>,
Pawel Moll <pawel.moll@....com>,
Rob Herring <robh+dt@...nel.org>,
Sascha Hauer <kernel@...gutronix.de>,
Shawn Guo <shawn.guo@...aro.org>
Subject: [PATCH v1] ARM: dts: nitrogen6x: add CAN support
Regulator stuff copied from imx6qdl-tx6.dtsi, pin configuration
taken from Boundary Devices linux kernel tree ([1] and [2]).
[1] https://github.com/boundarydevices/linux-imx6/blob/boundary-imx_3.10.17_1.0.2_ga/arch/arm/boot/dts/imx6qdl-nitrogen6x.dts
[2] https://github.com/boundarydevices/linux-imx6/blob/boundary-imx_3.10.17_1.0.2_ga/arch/arm/boot/dts/imx6qdl.dtsi
Signed-off-by: Peter Seiderer <ps.report@....net>
---
arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi | 32 +++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi
index fd096dc..1c415e4 100644
--- a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi
@@ -54,6 +54,17 @@
gpio = <&gpio3 22 0>;
enable-active-high;
};
+
+ reg_can_xcvr: regulator@3 {
+ compatible = "regulator-fixed";
+ reg = <3>;
+ regulator-name = "CAN XCVR";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_can_xcvr>;
+ gpio = <&gpio1 2 GPIO_ACTIVE_HIGH>;
+ };
};
gpio-keys {
@@ -138,6 +149,13 @@
status = "okay";
};
+&can1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_can1_1>;
+ xceiver-supply = <®_can_xcvr>;
+ status = "okay";
+};
+
&ecspi1 {
fsl,spi-num-chipselects = <1>;
cs-gpios = <&gpio3 19 0>;
@@ -234,6 +252,20 @@
>;
};
+ pinctrl_can1_1: can1grp-1 {
+ fsl,pins = <
+ MX6QDL_PAD_KEY_COL2__FLEXCAN1_TX 0x80000000
+ MX6QDL_PAD_KEY_ROW2__FLEXCAN1_RX 0x80000000
+ >;
+ };
+
+ pinctrl_can_xcvr: can-xcvrgrp {
+ fsl,pins = <
+ /* Flexcan XCVR enable */
+ MX6QDL_PAD_GPIO_2__GPIO1_IO02 0x1b0b0
+ >;
+ };
+
pinctrl_ecspi1: ecspi1grp {
fsl,pins = <
MX6QDL_PAD_EIM_D17__ECSPI1_MISO 0x100b1
--
2.1.4
--
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