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ARM: dts: imx6sx-sdb: add flexcan support 

CAN transceiver is different on RevA and RevB board.
It's active high on RevA while active low on Rev B.

Signed-off-by: Aisheng Dong <aisheng.dong@nxp.com>
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Aisheng Dong 2018-11-28 11:03:48 +00:00 committed by Shawn Guo
parent f820ca29bf
commit 88dddae62e
3 changed files with 59 additions and 0 deletions
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12
arch/arm/boot/dts/imx6sx-sdb-reva.dts
View File

@ -138,3 +138,15 @@
spi-max-frequency = <66000000>;
};
};
&reg_can_en {
/* Transceiver EN/STBY is active high on RevA board */
gpio = <&gpio4 25 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
&reg_can_stby {
gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>;
enable-active-high;
vin-supply = <&reg_can_en>;
};

5
arch/arm/boot/dts/imx6sx-sdb.dts
View File

@ -132,3 +132,8 @@
&reg_soc {
vin-supply = <&sw1a_reg>;
};
&reg_can_stby {
/* Transceiver EN/STBY is active low on RevB board */
gpio = <&gpio4 27 GPIO_ACTIVE_LOW>;
};

42
arch/arm/boot/dts/imx6sx-sdb.dtsi
View File

@ -135,6 +135,20 @@
regulator-max-microvolt = <5000000>;
};
reg_can_en: regulator-can-en {
compatible = "regulator-fixed";
regulator-name = "can-en";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
reg_can_stby: regulator-can-stby {
compatible = "regulator-fixed";
regulator-name = "can-stby";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
sound {
compatible = "fsl,imx6sx-sdb-wm8962", "fsl,imx-audio-wm8962";
model = "wm8962-audio";
@ -201,6 +215,20 @@
status = "okay";
};
&flexcan1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flexcan1>;
xceiver-supply = <&reg_can_stby>;
status = "okay";
};
&flexcan2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flexcan2>;
xceiver-supply = <&reg_can_stby>;
status = "okay";
};
&i2c3 {
clock-frequency = <100000>;
pinctrl-names = "default";
@ -396,6 +424,20 @@
>;
};
pinctrl_flexcan1: flexcan1grp {
fsl,pins = <
MX6SX_PAD_QSPI1B_DQS__CAN1_TX 0x1b020
MX6SX_PAD_QSPI1A_SS1_B__CAN1_RX 0x1b020
>;
};
pinctrl_flexcan2: flexcan2grp {
fsl,pins = <
MX6SX_PAD_QSPI1B_SS1_B__CAN2_RX 0x1b020
MX6SX_PAD_QSPI1A_DQS__CAN2_TX 0x1b020
>;
};
pinctrl_gpio_keys: gpio_keysgrp {
fsl,pins = <
MX6SX_PAD_CSI_DATA04__GPIO1_IO_18 0x17059