linux-kernel - Re: [PATCH v4 3/3] ARM: dts: lan966x: Add UDPHS support

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Message-ID: <72a1e572-45d7-de18-8f1f-9035d75b562b@microchip.com>
Date:   Fri, 1 Jul 2022 10:56:46 +0000
From:   <Claudiu.Beznea@...rochip.com>
To:     <herve.codina@...tlin.com>, <gregkh@...uxfoundation.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <Nicolas.Ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <mturquette@...libre.com>, <sboyd@...nel.org>,
        <Horatiu.Vultur@...rochip.com>
CC:     <linux-usb@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v4 3/3] ARM: dts: lan966x: Add UDPHS support

On 01.07.2022 10:09, Herve Codina wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> Add UDPHS (the USB High Speed Device Port controller) support.
> 
> The both lan966x SOCs (LAN9662 and LAN9668) have the same UDPHS
> IP. This IP is also the same as the one present in the SAMA5D3
> SOC.
> 
> Signed-off-by: Herve Codina <herve.codina@...tlin.com>
> ---
>  arch/arm/boot/dts/lan966x.dtsi | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/lan966x.dtsi b/arch/arm/boot/dts/lan966x.dtsi
> index 3cb02fffe716..c98e7075c2b4 100644
> --- a/arch/arm/boot/dts/lan966x.dtsi
> +++ b/arch/arm/boot/dts/lan966x.dtsi
> @@ -458,6 +458,17 @@ cpu_ctrl: syscon@...c0000 {
>                         reg = <0xe00c0000 0x350>;
>                 };
> 
> +               udc: usb@...08000 {
> +                       compatible = "microchip,lan9662-udc",
> +                                    "atmel,sama5d3-udc";
> +                       reg = <0x00200000 0x80000>,
> +                             <0xe0808000 0x400>;
> +                       interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
> +                       clocks = <&clks GCK_GATE_UDPHS>, <&nic_clk>;
> +                       clock-names = "pclk", "hclk";
> +                       status = "disabled";
> +               };
> +

I have these compilation warnings:

  DTC     arch/arm/boot/dts/lan966x-pcb8291.dtb
arch/arm/boot/dts/lan966x.dtsi:461.21-470.5: Warning (simple_bus_reg):
/soc/usb@...08000: simple-bus unit address format error, expected "200000"
  DTC     arch/arm/boot/dts/lan966x-kontron-kswitch-d10-mmt-6g-2gs.dtb
arch/arm/boot/dts/lan966x.dtsi:461.21-470.5: Warning (simple_bus_reg):
/soc/usb@...08000: simple-bus unit address format error, expected "200000"
  DTC     arch/arm/boot/dts/lan966x-kontron-kswitch-d10-mmt-8g.dtb
arch/arm/boot/dts/lan966x.dtsi:461.21-470.5: Warning (simple_bus_reg):
/soc/usb@...08000: simple-bus unit address format error, expected "200000"

>                 can0: can@...1c000 {
>                         compatible = "bosch,m_can";
>                         reg = <0xe081c000 0xfc>, <0x00100000 0x4000>;
> --
> 2.35.3
>