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| author | Tim Harvey <tharvey@gateworks.com> | 2022-09-16 08:30:02 -0700 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2022-09-17 12:21:30 +0800 |
| commit | ad928a743db8ccfae0939e2483cf65addca4a593 (patch) | |
| tree | 7557aff25aeef74ef4b872f2ca11c1acb3f33f3c /arch/arm/boot/dts/imx6qdl-gw53xx.dtsi | |
| parent | 2069c5265bb369c155b92c4ddf50ae7cc7e592c3 (diff) | |
| download | linux-ad928a743db8ccfae0939e2483cf65addca4a593.tar.gz linux-ad928a743db8ccfae0939e2483cf65addca4a593.tar.bz2 linux-ad928a743db8ccfae0939e2483cf65addca4a593.zip | |
ARM: dts: imx6qdl-gw53xx: add CAN regulator
The GW53xx 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/boot/dts/imx6qdl-gw53xx.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/imx6qdl-gw53xx.dtsi | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi index a0710d562766..6c0c109046d8 100644 --- a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi @@ -129,6 +129,16 @@ 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-usb-h1-vbus { compatible = "regulator-fixed"; regulator-name = "usb_h1_vbus"; @@ -170,6 +180,7 @@ &can1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_flexcan1>; + xceiver-supply = <®_can1_stby>; status = "okay"; }; @@ -600,7 +611,6 @@ 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 */ >; }; @@ -691,6 +701,12 @@ >; }; + 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 |