[PATCH V2 3/3] ARM: dts: sabreauto: Add flexcan support

From: Joakim Zhang
Date: Tue Oct 30 2018 - 04:42:56 EST


From: Dong Aisheng <aisheng.dong@xxxxxxx>

The flexcan1 is pin conflict with fec. So we add a new dts file with
flexcan1 enabled with fec disabled for user to use.

Signed-off-by: Dong Aisheng <aisheng.dong@xxxxxxx>
Signed-off-by: Joakim Zhang <qiangqing.zhang@xxxxxxx>
---
.../boot/dts/imx6dl-sabreauto-flexcan1.dts | 14 ++++++
.../arm/boot/dts/imx6q-sabreauto-flexcan1.dts | 14 ++++++
arch/arm/boot/dts/imx6qdl-sabreauto.dtsi | 47 +++++++++++++++++++
3 files changed, 75 insertions(+)
create mode 100644 arch/arm/boot/dts/imx6dl-sabreauto-flexcan1.dts
create mode 100644 arch/arm/boot/dts/imx6q-sabreauto-flexcan1.dts

diff --git a/arch/arm/boot/dts/imx6dl-sabreauto-flexcan1.dts b/arch/arm/boot/dts/imx6dl-sabreauto-flexcan1.dts
new file mode 100644
index 000000000000..4ebcc283f549
--- /dev/null
+++ b/arch/arm/boot/dts/imx6dl-sabreauto-flexcan1.dts
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright (C) 2013 Freescale Semiconductor, Inc.
+
+#include "imx6dl-sabreauto.dts"
+
+&can1{
+ status = "okay";
+};
+
+&fec {
+ /* pin conflict with flexcan1 */
+ status = "disabled";
+};
diff --git a/arch/arm/boot/dts/imx6q-sabreauto-flexcan1.dts b/arch/arm/boot/dts/imx6q-sabreauto-flexcan1.dts
new file mode 100644
index 000000000000..e7e684656f09
--- /dev/null
+++ b/arch/arm/boot/dts/imx6q-sabreauto-flexcan1.dts
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright (C) 2013 Freescale Semiconductor, Inc.
+
+#include "imx6q-sabreauto.dts"
+
+&can1{
+ status = "okay";
+};
+
+&fec {
+ /* pin conflict with flexcan1 */
+ status = "disabled";
+};
diff --git a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
index a10f0ad0bfb1..c1111b972b46 100644
--- a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
@@ -101,6 +101,25 @@
enable-active-high;
};

+ reg_can_en: regulator-can-en {
+ compatible = "regulator-fixed";
+ regulator-name = "can-en";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&max7310_b 6 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ reg_can_stby: regulator-can-stby {
+ compatible = "regulator-fixed";
+ regulator-name = "can-stby";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&max7310_b 5 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ vin-supply = <&reg_can_en>;
+ };
+
sound-cs42888 {
compatible = "fsl,imx6-sabreauto-cs42888",
"fsl,imx-audio-cs42888";
@@ -279,6 +298,20 @@
status = "okay";
};

+&can1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan1>;
+ xceiver-supply = <&reg_can_stby>;
+ status = "disabled"; /* pin conflict with fec */
+};
+
+&can2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexcan2>;
+ xceiver-supply = <&reg_can_stby>;
+ status = "okay";
+};
+
&gpmi {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpmi_nand>;
@@ -494,6 +527,20 @@
>;
};

+ pinctrl_flexcan1: flexcan1grp {
+ fsl,pins = <
+ MX6QDL_PAD_KEY_ROW2__FLEXCAN1_RX 0x17059
+ MX6QDL_PAD_KEY_COL2__FLEXCAN1_TX 0x17059
+ >;
+ };
+
+ pinctrl_flexcan2: flexcan2grp {
+ fsl,pins = <
+ MX6QDL_PAD_KEY_COL4__FLEXCAN2_TX 0x17059
+ MX6QDL_PAD_KEY_ROW4__FLEXCAN2_RX 0x17059
+ >;
+ };
+
pinctrl_gpio_keys: gpiokeysgrp {
fsl,pins = <
MX6QDL_PAD_SD2_CMD__GPIO1_IO11 0x1b0b0
--
2.17.1