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

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Date:   Mon, 10 Feb 2020 14:50:08 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Anand Moon <linux.amoon@...il.com>
Cc:     linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        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@...r.kernel.org
Subject: Re: [PATCHv3 2/3] ARM: dts: exynos: Add missing usbdrd3 suspend clk

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