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From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
To: Boris BREZILLON <boris.brezillon@free-electrons.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
	Andrew Victor <linux@maxim.org.za>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ARM: at91/dt: declare sckc node on at91sam9g45
Date: Thu, 11 Sep 2014 22:54:54 +0200	[thread overview]
Message-ID: <20140911205454.GG3131@piout.net> (raw)
In-Reply-To: <1410257660-8590-1-git-send-email-boris.brezillon@free-electrons.com>

On 09/09/2014 at 12:14:20 +0200, Boris Brezillon wrote :
> Declare the SCKC (Slow Clock Configuration) block and its clks.
> Make use of the clk32k clk instead of slow_osc where appropriate.
> 
> Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

> ---
>  arch/arm/boot/dts/at91sam9g45.dtsi | 30 ++++++++++++++++++++++++++++--
>  1 file changed, 28 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi
> index 9d4d0a1..68a457b 100644
> --- a/arch/arm/boot/dts/at91sam9g45.dtsi
> +++ b/arch/arm/boot/dts/at91sam9g45.dtsi
> @@ -159,7 +159,7 @@
>  					compatible = "atmel,at91rm9200-clk-master";
>  					#clock-cells = <0>;
>  					interrupts-extended = <&pmc AT91_PMC_MCKRDY>;
> -					clocks = <&slow_xtal>, <&main>, <&plladiv>, <&utmi>;
> +					clocks = <&clk32k>, <&main>, <&plladiv>, <&utmi>;
>  					atmel,clk-output-range = <0 133333333>;
>  					atmel,clk-divisors = <1 2 4 3>;
>  				};
> @@ -175,7 +175,7 @@
>  					#address-cells = <1>;
>  					#size-cells = <0>;
>  					interrupt-parent = <&pmc>;
> -					clocks = <&slow_xtal>, <&main>, <&plladiv>, <&utmi>, <&mck>;
> +					clocks = <&clk32k>, <&main>, <&plladiv>, <&utmi>, <&mck>;
>  
>  					prog0: prog0 {
>  						#clock-cells = <0>;
> @@ -1160,6 +1160,32 @@
>  				};
>  			};
>  
> +			sckc@fffffd50 {
> +				compatible = "atmel,at91sam9x5-sckc";
> +				reg = <0xfffffd50 0x4>;
> +
> +				slow_osc: slow_osc {
> +					compatible = "atmel,at91sam9x5-clk-slow-osc";
> +					#clock-cells = <0>;
> +					atmel,startup-time-usec = <1200000>;
> +					clocks = <&slow_xtal>;
> +				};
> +
> +				slow_rc_osc: slow_rc_osc {
> +					compatible = "atmel,at91sam9x5-clk-slow-rc-osc";
> +					#clock-cells = <0>;
> +					atmel,startup-time-usec = <75>;
> +					clock-frequency = <32768>;
> +					clock-accuracy = <50000000>;
> +				};
> +
> +				clk32k: slck {
> +					compatible = "atmel,at91sam9x5-clk-slow";
> +					#clock-cells = <0>;
> +					clocks = <&slow_rc_osc &slow_osc>;
> +				};
> +			};
> +
>  			rtc@fffffdb0 {
>  				compatible = "atmel,at91rm9200-rtc";
>  				reg = <0xfffffdb0 0x10>;
> -- 
> 1.9.1
> 

-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

WARNING: multiple messages have this Message-ID (diff)
From: alexandre.belloni@free-electrons.com (Alexandre Belloni)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: at91/dt: declare sckc node on at91sam9g45
Date: Thu, 11 Sep 2014 22:54:54 +0200	[thread overview]
Message-ID: <20140911205454.GG3131@piout.net> (raw)
In-Reply-To: <1410257660-8590-1-git-send-email-boris.brezillon@free-electrons.com>

On 09/09/2014 at 12:14:20 +0200, Boris Brezillon wrote :
> Declare the SCKC (Slow Clock Configuration) block and its clks.
> Make use of the clk32k clk instead of slow_osc where appropriate.
> 
> Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

> ---
>  arch/arm/boot/dts/at91sam9g45.dtsi | 30 ++++++++++++++++++++++++++++--
>  1 file changed, 28 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi
> index 9d4d0a1..68a457b 100644
> --- a/arch/arm/boot/dts/at91sam9g45.dtsi
> +++ b/arch/arm/boot/dts/at91sam9g45.dtsi
> @@ -159,7 +159,7 @@
>  					compatible = "atmel,at91rm9200-clk-master";
>  					#clock-cells = <0>;
>  					interrupts-extended = <&pmc AT91_PMC_MCKRDY>;
> -					clocks = <&slow_xtal>, <&main>, <&plladiv>, <&utmi>;
> +					clocks = <&clk32k>, <&main>, <&plladiv>, <&utmi>;
>  					atmel,clk-output-range = <0 133333333>;
>  					atmel,clk-divisors = <1 2 4 3>;
>  				};
> @@ -175,7 +175,7 @@
>  					#address-cells = <1>;
>  					#size-cells = <0>;
>  					interrupt-parent = <&pmc>;
> -					clocks = <&slow_xtal>, <&main>, <&plladiv>, <&utmi>, <&mck>;
> +					clocks = <&clk32k>, <&main>, <&plladiv>, <&utmi>, <&mck>;
>  
>  					prog0: prog0 {
>  						#clock-cells = <0>;
> @@ -1160,6 +1160,32 @@
>  				};
>  			};
>  
> +			sckc at fffffd50 {
> +				compatible = "atmel,at91sam9x5-sckc";
> +				reg = <0xfffffd50 0x4>;
> +
> +				slow_osc: slow_osc {
> +					compatible = "atmel,at91sam9x5-clk-slow-osc";
> +					#clock-cells = <0>;
> +					atmel,startup-time-usec = <1200000>;
> +					clocks = <&slow_xtal>;
> +				};
> +
> +				slow_rc_osc: slow_rc_osc {
> +					compatible = "atmel,at91sam9x5-clk-slow-rc-osc";
> +					#clock-cells = <0>;
> +					atmel,startup-time-usec = <75>;
> +					clock-frequency = <32768>;
> +					clock-accuracy = <50000000>;
> +				};
> +
> +				clk32k: slck {
> +					compatible = "atmel,at91sam9x5-clk-slow";
> +					#clock-cells = <0>;
> +					clocks = <&slow_rc_osc &slow_osc>;
> +				};
> +			};
> +
>  			rtc at fffffdb0 {
>  				compatible = "atmel,at91rm9200-rtc";
>  				reg = <0xfffffdb0 0x10>;
> -- 
> 1.9.1
> 

-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

  reply	other threads:[~2014-09-11 20:55 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-09 10:14 [PATCH] ARM: at91/dt: declare sckc node on at91sam9g45 Boris BREZILLON
2014-09-09 10:14 ` Boris BREZILLON
2014-09-11 20:54 ` Alexandre Belloni [this message]
2014-09-11 20:54   ` Alexandre Belloni
2014-09-18 15:18 ` Nicolas Ferre
2014-09-18 15:18   ` Nicolas Ferre

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