diff options
| author | Tim Harvey <tharvey@gateworks.com> | 2022-09-16 08:31:07 -0700 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2022-09-17 12:21:38 +0800 |
| commit | b7fd68ac27200b917ce4494c591858194e584634 (patch) | |
| tree | 1a797f3fc294ae370453f6b85e73372bce135444 /arch/arm | |
| parent | ad928a743db8ccfae0939e2483cf65addca4a593 (diff) | |
ARM: dts: imx6qdl-gw54xx: add CAN regulator
The GW54xx has a transceiver with a STBY pin connected to an IMX6 GPIO.
Configure this as a regulator to drive it low when CAN is in use.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/imx6qdl-gw54xx.dtsi | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi index cda48bf2f168..a9b04f9f1c2b 100644 --- a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi @@ -137,6 +137,16 @@ regulator-always-on; }; + reg_can1_stby: regulator-can1-stby { + compatible = "regulator-fixed"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_reg_can1>; + regulator-name = "can1_stby"; + gpio = <&gpio1 2 GPIO_ACTIVE_LOW>; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + reg_usb_h1_vbus: regulator@2 { compatible = "regulator-fixed"; reg = <2>; @@ -200,6 +210,7 @@ &can1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_flexcan1>; + xceiver-supply = <®_can1_stby>; status = "okay"; }; @@ -687,7 +698,6 @@ fsl,pins = < MX6QDL_PAD_KEY_ROW2__FLEXCAN1_RX 0x1b0b1 MX6QDL_PAD_KEY_COL2__FLEXCAN1_TX 0x1b0b1 - MX6QDL_PAD_GPIO_2__GPIO1_IO02 0x4001b0b0 /* CAN_STBY */ >; }; @@ -786,6 +796,12 @@ >; }; + pinctrl_reg_can1: regcan1grp { + fsl,pins = < + MX6QDL_PAD_GPIO_2__GPIO1_IO02 0x4001b0b0 /* CAN_STBY */ + >; + }; + pinctrl_uart1: uart1grp { fsl,pins = < MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA 0x1b0b1 |