Re: [PATCH v3 2/4] ARM: dts: sun8i: r40: add pinmux settings for MMC3 and UARTs 2,4,5&7

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Hi,

On Wed, Mar 31, 2021 at 06:56:14PM +0300, Ivan Uvarov wrote:
> The Forlinx OKA40i-C devboard makes use of UARTs 0,2,3,4,5 and 7 of the R40
> SoC, of which UART 0 is connected to an RS232 converter, UART 5 routed to
> an RS485 converter, and the rest broken out directly via labeled headers.
> The board also contains a micro-SD slot connected to SDC3.
> 
> This patch adds settings to R40's pinmux node for those UARTs that were not
> already mapped, which would allow us to make use of all available UARTs and
> the micro-SD slot on this board in a further patch.
> 
> Reviewed-by: Andre Przywara <andre.przywara@xxxxxxx>
> Signed-off-by: Ivan Uvarov <i.uvarov@xxxxxxxxxxxxxxxxxx>
> 
>  1 file changed, 40 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
> index 0b257a0779..51031a0e59 100644
> --- a/arch/arm/boot/dts/sun8i-r40.dtsi
> +++ b/arch/arm/boot/dts/sun8i-r40.dtsi
> @@ -357,6 +357,8 @@ mmc3: mmc@1c12000 {
>  			clock-names = "ahb", "mmc";
>  			resets = <&ccu RST_BUS_MMC3>;
>  			reset-names = "ahb";
> +			pinctrl-0 = <&mmc3_pins>;
> +			pinctrl-names = "default";
>  			interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
>  			status = "disabled";
>  			#address-cells = <1>;
> @@ -601,6 +603,14 @@ mmc2_pins: mmc2-pins {
>  				bias-pull-up;
>  			};
>  
> +			mmc3_pins: mmc3-pins {
> +				pins = "PI4", "PI5", "PI6",
> +				       "PI7", "PI8", "PI9";
> +				function = "mmc3";
> +				drive-strength = <30>;
> +				bias-pull-up;
> +			};

I'd put omit-if-no-ref there too

Maxime

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