linux-kernel - Re: [PATCH v2 10/11] ARM: at91/dt: move at91sam9rl SoC to the new slow/main clock models

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Message-ID: <20140324092716.GA20484@piout.net>
Date:	Mon, 24 Mar 2014 10:27:16 +0100
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	Boris BREZILLON <brezillonboris@...il.com>
Cc:	Nicolas Ferre <nicolas.ferre@...el.com>,
	Mike Turquette <mturquette@...aro.org>,
	Jean-Jacques Hiblot <jjhiblot@...phandler.com>,
	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>,
	devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Boris BREZILLON <b.brezillon.dev@...il.com>
Subject: Re: [PATCH v2 10/11] ARM: at91/dt: move at91sam9rl SoC to the new
 slow/main clock models

On 24/03/2014 at 09:27:22 +0100, Boris BREZILLON wrote :
> Move at91sam9rl SoC to the new main/slow clock model.
> 
> Signed-off-by: Boris BREZILLON <b.brezillon.dev@...il.com>

Acked-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>

> ---
>  arch/arm/boot/dts/at91sam9rl.dtsi |   47 +++++++++++++++++++++++++++++++------
>  1 file changed, 40 insertions(+), 7 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/at91sam9rl.dtsi b/arch/arm/boot/dts/at91sam9rl.dtsi
> index 63e1784..56220d8 100644
> --- a/arch/arm/boot/dts/at91sam9rl.dtsi
> +++ b/arch/arm/boot/dts/at91sam9rl.dtsi
> @@ -48,6 +48,20 @@
>  		reg = <0x20000000 0x04000000>;
>  	};
>  
> +	clocks {
> +		slow_xtal: slow_xtal {
> +			compatible = "fixed-clock";
> +			#clock-cells = <0>;
> +			clock-frequency = <0>;
> +		};
> +
> +		main_xtal: main_xtal {
> +			compatible = "fixed-clock";
> +			#clock-cells = <0>;
> +			clock-frequency = <0>;
> +		};
> +	};
> +
>  	ahb {
>  		compatible = "simple-bus";
>  		#address-cells = <1>;
> @@ -548,17 +562,11 @@
>  				#size-cells = <0>;
>  				#interrupt-cells = <1>;
>  
> -				clk32k: slck {
> -					compatible = "fixed-clock";
> -					#clock-cells = <0>;
> -					clock-frequency = <32768>;
> -				};
> -
>  				main: mainck {
>  					compatible = "atmel,at91rm9200-clk-main";
>  					#clock-cells = <0>;
>  					interrupts-extended = <&pmc AT91_PMC_MOSCS>;
> -					clocks = <&clk32k>;
> +					clocks = <&main_xtal>;
>  				};
>  
>  				plla: pllack {
> @@ -769,6 +777,31 @@
>  				interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
>  				status = "disabled";
>  			};
> +
> +			sckc@...ffd50 {
> +				compatible = "atmel,at91sam9x5-sckc";
> +
> +				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>;
> +				};
> +			};
>  		};
>  	};
>  
> -- 
> 1.7.9.5
> 

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