linux-kernel - Re: [PATCH v4 6/6] arm: dts: mt7623: add display subsystem related device nodes

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Date:   Tue, 04 Aug 2020 18:24:58 +0100
From:   David Woodhouse <dwmw2@...radead.org>
To:     Frank Wunderlich <linux@...web.de>,
        linux-mediatek@...ts.infradead.org
Cc:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Ryder Lee <ryder.lee@...iatek.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        David Airlie <airlied@...ux.ie>,
        chunhui dai <chunhui.dai@...iatek.com>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        CK Hu <ck.hu@...iatek.com>, Daniel Vetter <daniel@...ll.ch>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Bibby Hsieh <bibby.hsieh@...iatek.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v4 6/6] arm: dts: mt7623: add display subsystem related
 device nodes

On Tue, 2020-08-04 at 18:55 +0200, Frank Wunderlich wrote:
> From: Ryder Lee <ryder.lee@...iatek.com>
> 
> Add display subsystem related device nodes for MT7623.
> 
> Cc: CK Hu <ck.hu@...iatek.com>
> Signed-off-by: chunhui dai <chunhui.dai@...iatek.com>
> Signed-off-by: Bibby Hsieh <bibby.hsieh@...iatek.com>
> Signed-off-by: Ryder Lee <ryder.lee@...iatek.com>
> Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
> Tested-by: Frank Wunderlich <frank-w@...lic-files.de>
> ---
> changed
> v3->v4:
>   drop display_components which is duplicate of existing mmsys
> v2->v3:
>   drop bls to dpi routing
> ---
>  arch/arm/boot/dts/mt7623.dtsi                 | 170 ++++++++++++++++++
>  arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts |  72 ++++++++
>  arch/arm/boot/dts/mt7623n-rfb-emmc.dts        |  72 ++++++++
>  3 files changed, 314 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi
> index a106c0d90a52..f2cb44a69454 100644
> --- a/arch/arm/boot/dts/mt7623.dtsi
> +++ b/arch/arm/boot/dts/mt7623.dtsi
> @@ -24,6 +24,11 @@ / {
>  	#address-cells = <2>;
>  	#size-cells = <2>;
>  
> +	aliases {
> +		rdma0 = &rdma0;
> +		rdma1 = &rdma1;
> +	};
> +
>  	cpu_opp_table: opp-table {
>  		compatible = "operating-points-v2";
>  		opp-shared;
> @@ -321,6 +326,25 @@ pwrap: pwrap@...0d000 {
>  		clock-names = "spi", "wrap";
>  	};
>  
> +	mipi_tx0: mipi-dphy@...10000 {
> +		compatible = "mediatek,mt7623-mipi-tx",
> +			     "mediatek,mt2701-mipi-tx";
> +		reg = <0 0x10010000 0 0x90>;
> +		clocks = <&clk26m>;
> +		clock-output-names = "mipi_tx0_pll";
> +		#clock-cells = <0>;
> +		#phy-cells = <0>;
> +	};

Doesn't this (and some others) also need status="disabled" since
they're not present on MT7623A? Or maybe it's time to split mt7623.dtsi
into a mt7623n.dtsi which includes mt7623a.dtsi and adds the extra
components?


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