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

From: Tomasz Figa
Date: Tue Jul 08 2014 - 10:06:58 EST


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@xxxxxxxxxxx>
>>>
>>> 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@xxxxxxxxxxx>
>>> Signed-off-by: Inha Song <ideal.song@xxxxxxxxxxx>
>>> Tested-by: Inha Song <ideal.song@xxxxxxxxxxx>
>>> Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
>>> Acked-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
>>> ---
>>> 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@13970000 {
>>
>> 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@13970000 {
> + 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@139D0000 {
> compatible = "samsung,exynos4210-pwm";
> reg = <0x139D0000 0x1000>;
>

Looks good.

Best regards,
Tomasz
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