linux-kernel - Re: [PATCH v3 07/15] ARM: dts: sunxi: h3/h5: Add msgbox node

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Message-ID: <f1e7b836-412f-0d6c-c7cf-2c41c871758e@sholland.org>
Date:   Tue, 5 Mar 2019 21:39:26 -0600
From:   Samuel Holland <samuel@...lland.org>
To:     Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Jassi Brar <jassisinghbrar@...il.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com
Subject: Re: [PATCH v3 07/15] ARM: dts: sunxi: h3/h5: Add msgbox node

On 03/01/19 22:29, Samuel Holland wrote:
> The H3 and H5 SoCs contain a message box that can be used to send
> messages and interrupts back and forth between the ARM application CPUs
> and the ARISC coprocessor. Add a device tree node for it.
> 
> Signed-off-by: Samuel Holland <samuel@...lland.org>
> ---
>  arch/arm/boot/dts/sunxi-h3-h5.dtsi | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
> index a4c757c0b741..a42fd3f9739e 100644
> --- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
> +++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
> @@ -227,6 +227,16 @@
>  			#size-cells = <0>;
>  		};
>  
> +		msgbox: mailbox@...7000 {
> +			compatible = "allwinner,sun8i-h3-msgbox",
> +				     "allwinner,sun6i-a31-msgbox";
> +			reg = <0x01c17000 0x1000>;
> +			clocks = <&ccu CLK_BUS_MSGBOX>;
> +			resets = <&ccu RST_BUS_MSGBOX>;
> +			interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
> +			#mbox-cells = <2>;

This should be 1. And it was caught by the new DTB schema validation :)

> +		};
> +
>  		usb_otg: usb@...9000 {
>  			compatible = "allwinner,sun8i-h3-musb";
>  			reg = <0x01c19000 0x400>;
>