linux-kernel - Re: [PATCHv3 2/3] ARM: dts: exynos: Add missing usbdrd3 suspend clk

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Message-ID: <CANAwSgT9_8JhjyN9yfZ6=AUE7kVhrrTwdK1KFQLwxuNSYyBKKA@mail.gmail.com>
Date:   Mon, 10 Feb 2020 22:43:45 +0530
From:   Anand Moon <linux.amoon@...il.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Linux USB Mailing List <linux-usb@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Felipe Balbi <balbi@...nel.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        linux-samsung-soc@...r.kernel.org,
        Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCHv3 2/3] ARM: dts: exynos: Add missing usbdrd3 suspend clk

Hi Krzysztof,

Thanks for your review comments.

On Mon, 10 Feb 2020 at 19:20, Krzysztof Kozlowski <krzk@...nel.org> wrote:
>
> On Mon, Feb 10, 2020 at 10:51:07AM +0000, Anand Moon wrote:
> > This patch adds new combatible strings for USBDRD3
> > for adding missing suspend clk, exynos5422 usbdrd3
> > support two clk USBD300 and SCLK_USBD300, so add missing
> > suspemd_clk for Exynos542x DWC3 nodes.
> >
> > Signed-off-by: Anand Moon <linux.amoon@...il.com>
> > ---
> >  arch/arm/boot/dts/exynos5420.dtsi | 8 ++++----
> >  arch/arm/boot/dts/exynos54xx.dtsi | 4 ++--
> >  2 files changed, 6 insertions(+), 6 deletions(-)
> >
> > diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
> > index b672080e7469..bd505256a223 100644
> > --- a/arch/arm/boot/dts/exynos5420.dtsi
> > +++ b/arch/arm/boot/dts/exynos5420.dtsi
> > @@ -1372,8 +1372,8 @@ &trng {
> >  };
> >
> >  &usbdrd3_0 {
> > -     clocks = <&clock CLK_USBD300>;
> > -     clock-names = "usbdrd30";
> > +     clocks = <&clock CLK_USBD300>, <&clock CLK_SCLK_USBD300>;
> > +     clock-names = "usbdrd30", "usbdrd30_susp_clk";
> >  };
> >
> >  &usbdrd_phy0 {
> > @@ -1383,8 +1383,8 @@ &usbdrd_phy0 {
> >  };
> >
> >  &usbdrd3_1 {
> > -     clocks = <&clock CLK_USBD301>;
> > -     clock-names = "usbdrd30";
> > +     clocks = <&clock CLK_USBD301>, <&clock CLK_SCLK_USBD301>;
> > +     clock-names = "usbdrd30", "usbdrd30_susp_clk";
> >  };
> >
> >  &usbdrd_dwc3_1 {
> > diff --git a/arch/arm/boot/dts/exynos54xx.dtsi b/arch/arm/boot/dts/exynos54xx.dtsi
> > index 8aa5117e58ce..0aac6255de5d 100644
> > --- a/arch/arm/boot/dts/exynos54xx.dtsi
> > +++ b/arch/arm/boot/dts/exynos54xx.dtsi
> > @@ -143,7 +143,7 @@ hsi2c_7: i2c@...d0000 {
> >               };
> >
> >               usbdrd3_0: usb3-0 {
> > -                     compatible = "samsung,exynos5250-dwusb3";
> > +                     compatible = "samsung,exynos5420-dwusb3";
> >                       #address-cells = <1>;
> >                       #size-cells = <1>;
> >                       ranges;
> > @@ -165,7 +165,7 @@ usbdrd_phy0: phy@...00000 {
> >               };
> >
> >               usbdrd3_1: usb3-1 {
> > -                     compatible = "samsung,exynos5250-dwusb3";
> > +                     compatible = "samsung,exynos5420-dwusb3";
>
> This affects also Exynos5410 but you do not add new clock there.
>
> Best regards,
> Krzysztof
>

Ok I will update this Exynos5410 dts.

Is samsung,exynos54xx-dwusb3 is valid compatible string
for both the SoC.

-Anand