linux-kernel - Re: [PATCH v7 5/6] MIPS: X1000: Add missing X1000 nodes.

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Date:   Mon, 09 Dec 2019 16:15:18 +0100
From:   Paul Cercueil <paul@...pouillou.net>
To:     周琰杰 "(Zhou Yanjie)" 
        <zhouyanjie@...yeetech.com>
Cc:     linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, robh+dt@...nel.org,
        paul.burton@...s.com, paulburton@...nel.org, jhogan@...nel.org,
        mripard@...nel.org, shawnguo@...nel.org, mark.rutland@....com,
        ebiederm@...ssion.com, ralf@...ux-mips.org, heiko@...ech.de,
        icenowy@...c.io, laurent.pinchart@...asonboard.com,
        krzk@...nel.org, geert+renesas@...der.be,
        prasannatsmkumar@...il.com, sernia.zhou@...mail.com,
        zhenwenjin@...il.com, 772753199@...com
Subject: Re: [PATCH v7 5/6] MIPS: X1000: Add missing X1000 nodes.

Hi Zhou,


Le lun., déc. 9, 2019 at 21:00, 周琰杰 (Zhou Yanjie) 
<zhouyanjie@...yeetech.com> a écrit :
> Add the appropriate DT node to probe pdma/msc/rtc/watchdog/ethernet
> driver using the devicetree.
> 
> Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@...yeetech.com>
> ---
> 
> Notes:
>     v7:
>     New patch, merge[05/12],[07/12],[09/12],[11/12] in v6.
> 
>  arch/mips/boot/dts/ingenic/x1000.dtsi | 96 
> +++++++++++++++++++++++++++++++++++
>  1 file changed, 96 insertions(+)
> 
> diff --git a/arch/mips/boot/dts/ingenic/x1000.dtsi 
> b/arch/mips/boot/dts/ingenic/x1000.dtsi
> index 13a6c9ff..398a756 100644
> --- a/arch/mips/boot/dts/ingenic/x1000.dtsi
> +++ b/arch/mips/boot/dts/ingenic/x1000.dtsi
> @@ -1,5 +1,6 @@
>  // SPDX-License-Identifier: GPL-2.0
>  #include <dt-bindings/clock/x1000-cgu.h>
> +#include <dt-bindings/dma/x1000-dma.h>
> 
>  / {
>  	#address-cells = <1>;
> @@ -68,6 +69,25 @@
>  		interrupts = <27 26 25>;
>  	};
> 
> +	wdt: watchdog@...02000 {
> +		compatible = "ingenic,x1000-watchdog", "ingenic,jz4780-watchdog";
> +		reg = <0x10002000 0x10>;
> +
> +		clocks = <&cgu X1000_CLK_RTCLK>;
> +		clock-names = "rtc";
> +	};

The watchdog node should be a children of the TCU node, see
Documentation/devicetree/bindings/timer/ingenic,tcu.txt


> +
> +	rtc: rtc@...03000 {
> +		compatible = "ingenic,x1000-rtc", "ingenic,jz4780-rtc";
> +		reg = <0x10003000 0x4c>;
> +
> +		interrupt-parent = <&intc>;
> +		interrupts = <32>;
> +
> +		clocks = <&cgu X1000_CLK_RTCLK>;
> +		clock-names = "rtc";
> +	};
> +
>  	pinctrl: pin-controller@...10000 {
>  		compatible = "ingenic,x1000-pinctrl";
>  		reg = <0x10010000 0x800>;
> @@ -173,4 +193,80 @@
> 
>  		status = "disabled";
>  	};
> +
> +	pdma: dma-controller@...20000 {
> +		compatible = "ingenic,x1000-dma";
> +		reg = <0x13420000 0x400
> +			   0x13421000 0x40>;
> +		#dma-cells = <2>;
> +
> +		interrupt-parent = <&intc>;
> +		interrupts = <10>;
> +
> +		clocks = <&cgu X1000_CLK_PDMA>;
> +	};
> +
> +	mac: mac@...b0000 {

Please name the nodes according to the devicetree specification; this 
should be 'ethernet@...b0000'.


> +		compatible = "ingenic,x1000-mac", "snps,dwmac";
> +		reg = <0x134b0000 0x2000>;
> +
> +		interrupt-parent = <&intc>;
> +		interrupts = <55>;
> +		interrupt-names = "macirq";
> +
> +		clocks = <&cgu X1000_CLK_MAC>;
> +		clock-names = "stmmaceth";
> +
> +		status = "disabled";
> +
> +		mdio: mdio {
> +			compatible = "snps,dwmac-mdio";
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			status = "disabled";
> +		};
> +	};
> +
> +	msc0: msc@...50000 {

This should be 'mmc@...50000'


> +		compatible = "ingenic,x1000-mmc";
> +		reg = <0x13450000 0x1000>;
> +
> +		interrupt-parent = <&intc>;
> +		interrupts = <37>;
> +
> +		clocks = <&cgu X1000_CLK_MSC0>;
> +		clock-names = "mmc";
> +
> +		cap-sd-highspeed;
> +		cap-mmc-highspeed;
> +		cap-sdio-irq;
> +
> +		dmas = <&pdma X1000_DMA_MSC0_RX 0xffffffff>,
> +			   <&pdma X1000_DMA_MSC0_TX 0xffffffff>;
> +		dma-names = "rx", "tx";
> +
> +		status = "disabled";
> +	};
> +
> +	msc1: msc@...60000 {

This should be 'mmc@...60000'.

Cheers,
-Paul

> +		compatible = "ingenic,x1000-mmc";
> +		reg = <0x13460000 0x1000>;
> +
> +		interrupt-parent = <&intc>;
> +		interrupts = <36>;
> +
> +		clocks = <&cgu X1000_CLK_MSC1>;
> +		clock-names = "mmc";
> +
> +		cap-sd-highspeed;
> +		cap-mmc-highspeed;
> +		cap-sdio-irq;
> +
> +		dmas = <&pdma X1000_DMA_MSC1_RX 0xffffffff>,
> +			   <&pdma X1000_DMA_MSC1_TX 0xffffffff>;
> +		dma-names = "rx", "tx";
> +
> +		status = "disabled";
> +	};
>  };
> --
> 2.7.4
>