On Thu, Apr 18, 2019 at 07:46:58PM +0530, Jagan Teki wrote: > Oceanic 5205 5inMFD has MCP2515 CAN device connected via SPI1. > > - via SPI1 bus > - vdd supplied by 5V supply along with PL2 enable pin > - xceiver supply same as vdd > - can oscillator connected at 20MHz > - PB2 gpio as interrupt pin > - PD6 gpio as RX_BUF1_CAN0 > - PD7 gpio as RX_BUF0_CAN0 > > Tested-by: Tamas Papp <[email protected]> > Signed-off-by: Jagan Teki <[email protected]> > --- > .../sun50i-a64-oceanic-5205-5inmfd.dts | 43 +++++++++++++++++++ > 1 file changed, 43 insertions(+) > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts > b/arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts > index f0cd6587f619..22535a297f51 100644 > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts > @@ -21,6 +21,24 @@ > chosen { > stdout-path = "serial0:115200n8"; > }; > + > + can_osc: can-osc { > + compatible = "fixed-clock"; > + #clock-cells = <0>; > + clock-frequency = <20000000>; > + }; > + > + reg_can_v5v: reg-can-v5v { > + compatible = "regulator-fixed"; > + regulator-name = "reg-can-v5v"; > + regulator-min-microvolt = <5000000>; > + regulator-max-microvolt = <5000000>; > + regulator-boot-on; > + enable-active-high; > + gpio = <&r_pio 0 2 GPIO_ACTIVE_HIGH>; /* CAN_3V3_EN: PL2 */ > + status = "okay";
You don't need the status property here.
> + };
> +
> };
>
> &ehci0 {
> @@ -77,6 +95,31 @@
> status = "okay";
> };
>
> +&pio {
> + can_pins: can-pins {
> + pins = "PD6", /* RX_BUF1_CAN0 */
> + "PD7"; /* RX_BUF0_CAN0 */
> + function = "gpio_in";
> + };
> +};
That isn't needed. What are they used for, you're not tying them to
anything?
Maxime
--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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