diff mbox series

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

Message ID 20181030083954.26440-4-qiangqing.zhang@nxp.com (mailing list archive)
State New, archived
Headers show
Series ARM: dts: sabreauto: Add flexcan support | expand

Commit Message

Joakim Zhang Oct. 30, 2018, 8:42 a.m. UTC 
From: Dong Aisheng <aisheng.dong@nxp.com>

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@nxp.com>
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
---
 .../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

Comments

Shawn Guo Nov. 4, 2018, 2:26 p.m. UTC | #1 
On Tue, Oct 30, 2018 at 08:42:47AM +0000, Joakim Zhang wrote:
> From: Dong Aisheng <aisheng.dong@nxp.com>
> 
> 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@nxp.com>
> Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>

We do not want to maintain a pile of DTS files for a single development
board with pin sharing among different devices.

Shawn

> ---
>  .../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
>
diff mbox series

Patch

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