linux-kernel - Re: [PATCH] ARM: at91/dt: fix USB high-speed clock to select UTMI

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Date:	Wed, 11 Mar 2015 17:53:30 +0100
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
CC:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>,
	Bo Shen <voice.shen@...el.com>, Josh Wu <josh.wu@...el.com>,
	Ludovic Desroches <ludovic.desroches@...el.com>
Subject: Re: [PATCH] ARM: at91/dt: fix USB high-speed clock to select UTMI

Le 09/03/2015 16:51, Nicolas Ferre a écrit :
> The UTMI clock must be selected by any high-speed USB IP. The logic behind it
> needs this particular clock.
> So, correct the clock in the device tree files affected.
> 
> Reported-by: Bo Shen <voice.shen@...el.com>
> Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>

In at91-4.0-fixes now.

> ---
>  arch/arm/boot/dts/at91sam9g45.dtsi | 2 +-
>  arch/arm/boot/dts/at91sam9x5.dtsi  | 4 ++--
>  arch/arm/boot/dts/sama5d3.dtsi     | 2 +-
>  arch/arm/boot/dts/sama5d4.dtsi     | 2 +-
>  4 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi
> index 56fa94bf6776..72be4be57767 100644
> --- a/arch/arm/boot/dts/at91sam9g45.dtsi
> +++ b/arch/arm/boot/dts/at91sam9g45.dtsi
> @@ -1325,7 +1325,7 @@
>  			reg = <0x00800000 0x100000>;
>  			interrupts = <22 IRQ_TYPE_LEVEL_HIGH 2>;
>  			//TODO
> -			clocks = <&usb>, <&uhphs_clk>, <&uhphs_clk>, <&uhpck>;
> +			clocks = <&utmi>, <&uhphs_clk>, <&uhphs_clk>, <&uhpck>;
>  			clock-names = "usb_clk", "ehci_clk", "hclk", "uhpck";
>  			status = "disabled";
>  		};
> diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
> index a2ad79b0878c..76043e95b958 100644
> --- a/arch/arm/boot/dts/at91sam9x5.dtsi
> +++ b/arch/arm/boot/dts/at91sam9x5.dtsi
> @@ -1062,7 +1062,7 @@
>  				reg = <0x00500000 0x80000
>  				       0xf803c000 0x400>;
>  				interrupts = <23 IRQ_TYPE_LEVEL_HIGH 0>;
> -				clocks = <&usb>, <&udphs_clk>;
> +				clocks = <&utmi>, <&udphs_clk>;
>  				clock-names = "hclk", "pclk";
>  				status = "disabled";
>  
> @@ -1182,7 +1182,7 @@
>  			compatible = "atmel,at91sam9g45-ehci", "usb-ehci";
>  			reg = <0x00700000 0x100000>;
>  			interrupts = <22 IRQ_TYPE_LEVEL_HIGH 2>;
> -			clocks = <&usb>, <&uhphs_clk>, <&uhpck>;
> +			clocks = <&utmi>, <&uhphs_clk>, <&uhpck>;
>  			clock-names = "usb_clk", "ehci_clk", "uhpck";
>  			status = "disabled";
>  		};
> diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi
> index 7ec28dab308a..29c08215d93a 100644
> --- a/arch/arm/boot/dts/sama5d3.dtsi
> +++ b/arch/arm/boot/dts/sama5d3.dtsi
> @@ -1426,7 +1426,7 @@
>  			compatible = "atmel,at91sam9g45-ehci", "usb-ehci";
>  			reg = <0x00700000 0x100000>;
>  			interrupts = <32 IRQ_TYPE_LEVEL_HIGH 2>;
> -			clocks = <&usb>, <&uhphs_clk>, <&uhpck>;
> +			clocks = <&utmi>, <&uhphs_clk>, <&uhpck>;
>  			clock-names = "usb_clk", "ehci_clk", "uhpck";
>  			status = "disabled";
>  		};
> diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi
> index d050decd3ca0..3b23b88ca6a2 100644
> --- a/arch/arm/boot/dts/sama5d4.dtsi
> +++ b/arch/arm/boot/dts/sama5d4.dtsi
> @@ -266,7 +266,7 @@
>  			compatible = "atmel,at91sam9g45-ehci", "usb-ehci";
>  			reg = <0x00600000 0x100000>;
>  			interrupts = <46 IRQ_TYPE_LEVEL_HIGH 2>;
> -			clocks = <&usb>, <&uhphs_clk>, <&uhpck>;
> +			clocks = <&utmi>, <&uhphs_clk>, <&uhpck>;
>  			clock-names = "usb_clk", "ehci_clk", "uhpck";
>  			status = "disabled";
>  		};
> 


-- 
Nicolas Ferre
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