[PATCH v2 2/2] arm64: dts: marvell: mcbin: enable uart headers

[gregory.clement@bootlin.com (Gregory CLEMENT)]

Hi Baruch,
 
 On mer., janv. 31 2018, Baruch Siach <baruch@tkos.co.il> wrote:

> Add description of the J25 and J27 UART headers of the Macchiatobin. They use
> uart peripherals that the CP0 (J25) and CP1 (J27) provide.
>
> Even though J25 and J27 are labeled as UART header, the pins on these headers
> can be muxed for other purposes. But the UART functionality is useful when the
> board is mounted in an ATX style enclosure, since the console UART is not
> accessible through the microUSB at CON9.
>
> Signed-off-by: Baruch Siach <baruch@tkos.co.il>

Applied on mvebu/dt64

Thanks,

Gregory

> ---
> v2:
>   Add comments to indicate the headers board labels (Thomas)
>   Explain in the commit log why we want the UART functionality (RMK)
> ---
>  arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts b/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts
> index 626e9d0462c3..122d2257ebc4 100644
> --- a/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts
> +++ b/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts
> @@ -163,6 +163,13 @@
>  	};
>  };
>  
> +/* J25 UART header */
> +&cp0_uart1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&cp0_uart1_pins>;
> +	status = "okay";
> +};
> +
>  &cp0_mdio {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&cp0_ge_mdio_pins>;
> @@ -195,6 +202,10 @@
>  		marvell,pins = "mpp37", "mpp38";
>  		marvell,function = "i2c0";
>  	};
> +	cp0_uart1_pins: uart1-pins {
> +		marvell,pins = "mpp40", "mpp41";
> +		marvell,function = "uart1";
> +	};
>  	cp0_xhci_vbus_pins: xhci0-vbus-pins {
>  		marvell,pins = "mpp47";
>  		marvell,function = "gpio";
> @@ -290,6 +301,17 @@
>  		marvell,pins = "mpp12", "mpp13", "mpp14", "mpp15", "mpp16";
>  		marvell,function = "spi1";
>  	};
> +	cp1_uart0_pins: uart0-pins {
> +		marvell,pins = "mpp6", "mpp7";
> +		marvell,function = "uart0";
> +	};
> +};
> +
> +/* J27 UART header */
> +&cp1_uart0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&cp1_uart0_pins>;
> +	status = "okay";
>  };
>  
>  &cp1_sata0 {
> -- 
> 2.15.1
>

-- 
Gregory Clement, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
http://bootlin.com