linux-kernel - Re: [PATCH] ARM: dts: Add I2S dt node for Exynos3250

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Message-id: <53BBFADA.1080603@samsung.com>
Date:	Tue, 08 Jul 2014 16:06:18 +0200
From:	Tomasz Figa <t.figa@...sung.com>
To:	Chanwoo Choi <cw00.choi@...sung.com>,
	Tomasz Figa <tomasz.figa@...il.com>
Cc:	linux@....linux.org.uk, kgene.kim@...sung.com,
	kyungmin.park@...sung.com, ideal.song@...sung.com,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: dts: Add I2S dt node for Exynos3250

Hi Chanwoo,

On 04.07.2014 11:18, Chanwoo Choi wrote:
> Dear Kukjin and Tomasz,
> 
> On 07/04/2014 05:05 PM, Tomasz Figa wrote:
>> Hi Chanwoo,
>>
>> On 03.07.2014 09:52, Chanwoo Choi wrote:
>>> From: Tomasz Figa <t.figa@...sung.com>
>>>
>>> This patch add I2S (Inter-IC Sound) dt node which supports 1-port stereo
>>> (1 channels) IIS-bus for audio interface with DMA-based operation.
>>>
>>> Signed-off-by: Tomasz Figa <t.figa@...sung.com>
>>> Signed-off-by: Inha Song <ideal.song@...sung.com>
>>> Tested-by: Inha Song <ideal.song@...sung.com>
>>> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
>>> Acked-by: Kyungmin Park <kyungmin.park@...sung.com>
>>> ---
>>>  arch/arm/boot/dts/exynos3250.dtsi | 13 +++++++++++++
>>>  1 file changed, 13 insertions(+)
>>>
>>> diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
>>> index 1f8384f..e9017ef 100644
>>> --- a/arch/arm/boot/dts/exynos3250.dtsi
>>> +++ b/arch/arm/boot/dts/exynos3250.dtsi
>>> @@ -644,6 +644,19 @@
>>>  			status = "disabled";
>>>  		};
>>>  
>>> +		i2s: i2s@...70000 {
>>
>> Shouldn't the label be rather called "i2s2" as the pinctrl entry below
>> suggests?
>>
>>> +			compatible = "samsung,s3c6410-i2s";
>>> +			reg = <0x13970000 0x100>;
>>> +			interrupts = <0 126 0>;
>>> +			clocks = <&cmu CLK_I2S>, <&cmu CLK_SCLK_I2S>;
>>> +			clock-names = "iis", "i2s_opclk0";
>>> +			dmas = <&pdma0 14>, <&pdma0 13>;
>>> +			dma-names = "tx", "rx";
>>> +			pinctrl-0 = <&i2s2_bus>;
>>> +			pinctrl-name = "default";
>>
>> "pinctrl-name" is not a valid property. I suppose it should be
>> "pinctrl-names".
> 
> I modify this patch as following. If you confirm following patch, I'll re-send patchset(v2).
> 
> diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
> index 3e678fa..77a06df 100644
> --- a/arch/arm/boot/dts/exynos3250.dtsi
> +++ b/arch/arm/boot/dts/exynos3250.dtsi
> @@ -425,6 +425,19 @@
>  			status = "disabled";
>  		};
>  
> +		i2s2: i2s@...70000 {
> +			compatible = "samsung,s3c6410-i2s";
> +			reg = <0x13970000 0x100>;
> +			interrupts = <0 126 0>;
> +			clocks = <&cmu CLK_I2S>, <&cmu CLK_SCLK_I2S>;
> +			clock-names = "iis", "i2s_opclk0";
> +			dmas = <&pdma0 14>, <&pdma0 13>;
> +			dma-names = "tx", "rx";
> +			pinctrl-0 = <&i2s2_bus>;
> +			pinctrl-names = "default";
> +			status = "disabled";
> +		};
> +
>  		pwm: pwm@...D0000 {
>  			compatible = "samsung,exynos4210-pwm";
>  			reg = <0x139D0000 0x1000>;
> 

Looks good.

Best regards,
Tomasz
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