Re: [PATCH v2 14/16] arm64: dts: marvell: armada-37xx: add second UART port

From: Gregory CLEMENT <gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
To: Miquel Raynal
	<miquel.raynal-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Cc: Greg Kroah-Hartman
	<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
	Linus Walleij
	<linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Jason Cooper <jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org>,
	Andrew Lunn <andrew-g2DYL2Zd6BY@public.gmane.org>,
	Sebastian Hesselbarth
	<sebastian.hesselbarth-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Jiri Slaby <jslaby-IBi9RG/b67k@public.gmane.org>,
	Catalin Marinas <catalin.marinas-5wv7dgnIgG8@public.gmane.org>,
	Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>,
	Thomas Petazzoni
	<thomas.petazzoni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Antoine Tenart
	<antoine.tenart-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
	Nadav Haklai <nadavh-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
	linux-gpio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-serial-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Wilson Ding <dingwei-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH v2 14/16] arm64: dts: marvell: armada-37xx: add second UART port
Date: Mon, 30 Oct 2017 16:45:47 +0100	[thread overview]
Message-ID: <87o9oo1vx0.fsf@free-electrons.com> (raw)
In-Reply-To: <20171013090200.31034-15-miquel.raynal-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> (Miquel Raynal's message of "Fri, 13 Oct 2017 11:01:58 +0200")

Hi Miquel,

 On ven., oct. 13 2017, Miquel Raynal <miquel.raynal-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> wrote:

> Add a node in Armada 37xx DTSI file for the second UART, with a
> different compatible due to its extended IP which has some
> differences with the first UART already in place.
>
> Make use of this commit to also fully describe the first port and
> use the same clear and named interrupt bindings for both ports.
>
> The standard UART (UART0) uses level-interrupts while the extended
> UART (UART1) uses edge-triggered interrupts.
>
> Signed-off-by: Miquel Raynal <miquel.raynal-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
> Acked-by: Gregory CLEMENT <gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>

Applied on mvebu/dt64

Thanks,

Gregory

> ---
>  arch/arm64/boot/dts/marvell/armada-37xx.dtsi | 18 +++++++++++++++++-
>  1 file changed, 17 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
> index a36d667f770e..72b68f23c001 100644
> --- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
> +++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
> @@ -55,6 +55,7 @@
>  
>  	aliases {
>  		serial0 = &uart0;
> +		serial1 = &uart1;
>  	};
>  
>  	cpus {
> @@ -136,7 +137,22 @@
>  				compatible = "marvell,armada-3700-uart";
>  				reg = <0x12000 0x200>;
>  				clocks = <&xtalclk>;
> -				interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
> +				interrupts =
> +				<GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
> +				<GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
> +				<GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
> +				interrupt-names = "uart-sum", "uart-tx", "uart-rx";
> +				status = "disabled";
> +			};
> +
> +			uart1: serial@12200 {
> +				compatible = "marvell,armada-3700-uart-ext";
> +				reg = <0x12200 0x30>;
> +				clocks = <&xtalclk>;
> +				interrupts =
> +				<GIC_SPI 30 IRQ_TYPE_EDGE_RISING>,
> +				<GIC_SPI 31 IRQ_TYPE_EDGE_RISING>;
> +				interrupt-names = "uart-tx", "uart-rx";
>  				status = "disabled";
>  			};
>  
> -- 
> 2.11.0
>
>
> _______________________________________________
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-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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