Subject: Re: [PATCH 5/7] MIPS: mscc: ocelot: add GPIO4 pinmuxing DT node

From: Alexandre Belloni <[email-masked]>
Date: Fri, 14 Sep 2018 16:54:46 +0200

Hi,

On 14/09/2018 11:44:26+0200, Quentin Schulz wrote:
> In order to use GPIO4 as a GPIO, we need to mux it in this mode so let's
> declare a new pinctrl DT node for it.
> 
> Signed-off-by: Quentin Schulz <[email-masked]>
> ---
>  arch/mips/boot/dts/mscc/ocelot.dtsi | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/arch/mips/boot/dts/mscc/ocelot.dtsi b/arch/mips/boot/dts/mscc/ocelot.dtsi
> index 8ce317c..b5c4c74 100644
> --- a/arch/mips/boot/dts/mscc/ocelot.dtsi
> +++ b/arch/mips/boot/dts/mscc/ocelot.dtsi
> @@ -182,6 +182,11 @@
>  			interrupts = <13>;
>  			#interrupt-cells = <2>;
>  
> +			gpio4: gpio4 {
> +				pins = "GPIO_4";
> +				function = "gpio";
> +			};
> +

For a GPIO, I would do that in the board dts because it is not used
directly in the dtsi.

>  			uart_pins: uart-pins {
>  				pins = "GPIO_6", "GPIO_7";
>  				function = "uart";
> -- 
> git-series 0.9.1

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com