diff options
| author | Aisheng Dong <aisheng.dong@nxp.com> | 2018-11-28 14:03:48 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2018-12-10 05:03:03 +0300 |
| commit | 88dddae62eefb309391e2b442c3dd077a12aa35a (patch) | |
| tree | 93c0877bd719da023670143c4f7f6215655010d2 /arch/arm/boot/dts | |
| parent | f820ca29bfde05be286c346fdea69bd2a7b592c3 (diff) | |
| download | linux-88dddae62eefb309391e2b442c3dd077a12aa35a.tar.xz | |
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>
Diffstat (limited to 'arch/arm/boot/dts')
| -rw-r--r-- | arch/arm/boot/dts/imx6sx-sdb-reva.dts | 12 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx6sx-sdb.dts | 5 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx6sx-sdb.dtsi | 42 |
3 files changed, 59 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6sx-sdb-reva.dts b/arch/arm/boot/dts/imx6sx-sdb-reva.dts index 9db930694c0e..53241ae09ee9 100644 --- a/arch/arm/boot/dts/imx6sx-sdb-reva.dts +++ b/arch/arm/boot/dts/imx6sx-sdb-reva.dts @@ -138,3 +138,15 @@ spi-max-frequency = <66000000>; }; }; + +®_can_en { + /* Transceiver EN/STBY is active high on RevA board */ + gpio = <&gpio4 25 GPIO_ACTIVE_HIGH>; + enable-active-high; +}; + +®_can_stby { + gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>; + enable-active-high; + vin-supply = <®_can_en>; +}; diff --git a/arch/arm/boot/dts/imx6sx-sdb.dts b/arch/arm/boot/dts/imx6sx-sdb.dts index 96bd6375c5aa..b1b33ad001d9 100644 --- a/arch/arm/boot/dts/imx6sx-sdb.dts +++ b/arch/arm/boot/dts/imx6sx-sdb.dts @@ -132,3 +132,8 @@ ®_soc { vin-supply = <&sw1a_reg>; }; + +®_can_stby { + /* Transceiver EN/STBY is active low on RevB board */ + gpio = <&gpio4 27 GPIO_ACTIVE_LOW>; +}; diff --git a/arch/arm/boot/dts/imx6sx-sdb.dtsi b/arch/arm/boot/dts/imx6sx-sdb.dtsi index e156ea11d042..a146f8694fc7 100644 --- a/arch/arm/boot/dts/imx6sx-sdb.dtsi +++ b/arch/arm/boot/dts/imx6sx-sdb.dtsi @@ -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 = <®_can_stby>; + status = "okay"; +}; + +&flexcan2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_flexcan2>; + xceiver-supply = <®_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 |