diff options
| author | Dong Aisheng <aisheng.dong@freescale.com> | 2015-12-15 20:10:15 +0800 |
|---|---|---|
| committer | Leonard Crestez <leonard.crestez@nxp.com> | 2018-08-24 12:20:42 +0300 |
| commit | f4c218d847ed2dab94d3645b25f137b816d85310 (patch) | |
| tree | c2c2dd7da3a434fce76e84c88dcfc5f8d459c8ff /arch/arm | |
| parent | c45cfccf6ee72f24a7792fdbede58e651575002c (diff) | |
MLK-12016-1 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: Dong Aisheng <aisheng.dong@freescale.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/imx6sx-sdb-reva.dts | 14 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx6sx-sdb.dts | 7 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx6sx-sdb.dtsi | 44 |
3 files changed, 65 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6sx-sdb-reva.dts b/arch/arm/boot/dts/imx6sx-sdb-reva.dts index 245465d403d8..bd41ff31b154 100644 --- a/arch/arm/boot/dts/imx6sx-sdb-reva.dts +++ b/arch/arm/boot/dts/imx6sx-sdb-reva.dts @@ -10,6 +10,20 @@ / { model = "Freescale i.MX6 SoloX SDB RevA Board"; + + regulators { + /* Transceiver EN/STBY is active high on RevA board */ + reg_can_en: regulator@9 { + gpio = <&gpio4 25 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + reg_can_stby: regulator@10 { + gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>; + enable-active-high; + vin-supply = <®_can_en>; + }; + }; }; &cpu0 { diff --git a/arch/arm/boot/dts/imx6sx-sdb.dts b/arch/arm/boot/dts/imx6sx-sdb.dts index 39c7e24af980..3a670957ccb5 100644 --- a/arch/arm/boot/dts/imx6sx-sdb.dts +++ b/arch/arm/boot/dts/imx6sx-sdb.dts @@ -10,6 +10,13 @@ / { model = "Freescale i.MX6 SoloX SDB RevB Board"; + + regulators { + /* Transceiver EN/STBY is active low on RevB board */ + reg_can_stby: regulator@10 { + gpio = <&gpio4 27 GPIO_ACTIVE_LOW>; + }; + }; }; &cpu0 { diff --git a/arch/arm/boot/dts/imx6sx-sdb.dtsi b/arch/arm/boot/dts/imx6sx-sdb.dtsi index f6987b2254f9..5c74075847bc 100644 --- a/arch/arm/boot/dts/imx6sx-sdb.dtsi +++ b/arch/arm/boot/dts/imx6sx-sdb.dtsi @@ -171,6 +171,22 @@ regulator-always-on; enable-active-high; }; + + reg_can_en: regulator@9 { + compatible = "regulator-fixed"; + reg = <9>; + regulator-name = "can-en"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + reg_can_stby: regulator@10 { + compatible = "regulator-fixed"; + reg = <10>; + regulator-name = "can-stby"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; }; sound { @@ -289,6 +305,20 @@ 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"; +}; + &i2c1 { clock-frequency = <100000>; pinctrl-names = "default"; @@ -755,6 +785,20 @@ >; }; + 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 |