[PATCH 1/2] arc: axs10x: Add DT bindings for I2S audio playback

[Jose Abreu]

Hi Vineet, Rob,


On 20-03-2017 14:02, Jose Abreu wrote:
> Hi Vineet, Alexey, Rob,
>
>
> On 02-03-2017 18:57, Alexey Brodkin wrote:
>> Hi Jose,
>>
>> On Wed, 2017-02-22 at 18:19 +0000, Jose Abreu wrote:
>>> This patch adds the necessary DT bindings to get HDMI audio
>>> output in ARC AXS10x SDP. The bindings for I2S controller were
>>> added as well as the bindings for simple audio card.
>>>
>>> Signed-off-by: Jose Abreu <joabreu at synopsys.com>
>>> Cc: Carlos Palminha <palminha at synopsys.com>
>>> Cc: Alexey Brodkin <abrodkin at synopsys.com>
>>> Cc: Rob Herring <robh+dt at kernel.org>
>>> Cc: Vineet Gupta <vgupta at synopsys.com>
>>> Cc: devicetree at vger.kernel.org
>>> Cc: linux-snps-arc at lists.infradead.org
>>> Cc: linux-kernel at vger.kernel.org
>>> ---
>>>  arch/arc/boot/dts/axs10x_mb.dtsi | 22 ++++++++++++++++++----
>>>  1 file changed, 18 insertions(+), 4 deletions(-)
>>>
>>> diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi
>>> index d6c1bbc..9d882b1 100644
>>> --- a/arch/arc/boot/dts/axs10x_mb.dtsi
>>> +++ b/arch/arc/boot/dts/axs10x_mb.dtsi
>>> @@ -149,12 +149,13 @@
>>>  			interrupts = <14>;
>>>  		};
>>>  
>>> -		i2c at 0x1e000 {
>>> -			compatible = "snps,designware-i2c";
>>> +		i2s: i2s at 1e000 {
>>> +			compatible = "snps,designware-i2s";
>>>  			reg = <0x1e000 0x100>;
>>> -			clock-frequency = <400000>;
>>> -			clocks = <&i2cclk>;
>>> +			clocks = <&i2sclk 0>;
>>> +			clock-names = "i2sclk";
>>>  			interrupts = <15>;
>>> +			#sound-dai-cells = <0>;
>>>  		};
>>>  
>>>  		i2c at 0x1f000 {
>>> @@ -174,6 +175,7 @@
>>>  				adi,input-colorspace = "rgb";
>>>  				adi,input-clock = "1x";
>>>  				adi,clock-delay = <0x03>;
>>> +				#sound-dai-cells = <0>;
>>>  
>>>  				ports {
>>>  					#address-cells = <1>;
>>> @@ -295,5 +297,17 @@
>>>  				};
>>>  			};
>>>  		};
>>> +
>>> +		sound_playback {
>>> +			compatible = "simple-audio-card";
>>> +			simple-audio-card,name = "AXS10x HDMI Audio";
>>> +			simple-audio-card,format = "i2s";
>>> +			simple-audio-card,cpu {
>>> +				sound-dai = <&i2s>;
>>> +			};
>>> +			simple-audio-card,codec {
>>> +				sound-dai = <&adv7511>;
>>> +			};
>>> +		};
>>>  	};
>>>  };
>> Just for the sake of history that's my mods to defconfig that allowed me
>> to play .pcm via HDMI from axs103 board:
>> -------------------------------->8-------------------------------
>> diff --git a/arch/arc/configs/axs103_smp_defconfig b/arch/arc/configs/axs103_smp_defconfig
>> index 30a3d4cf53d2..b11362a32e4e 100644
>> --- a/arch/arc/configs/axs103_smp_defconfig
>> +++ b/arch/arc/configs/axs103_smp_defconfig
>> @@ -67,25 +67,29 @@ CONFIG_MOUSE_PS2_TOUCHKIT=y
>>  CONFIG_MOUSE_SERIAL=y
>>  CONFIG_MOUSE_SYNAPTICS_USB=y
>>  # CONFIG_LEGACY_PTYS is not set
>> -# CONFIG_DEVKMEM is not set
>>  CONFIG_SERIAL_8250=y
>>  CONFIG_SERIAL_8250_CONSOLE=y
>>  CONFIG_SERIAL_8250_DW=y
>>  CONFIG_SERIAL_OF_PLATFORM=y
>>  # CONFIG_HW_RANDOM is not set
>> -CONFIG_I2C=y
>>  CONFIG_I2C_CHARDEV=y
>>  CONFIG_I2C_DESIGNWARE_PLATFORM=y
>>  # CONFIG_HWMON is not set
>> -CONFIG_DRM=m
>> -CONFIG_DRM_I2C_ADV7511=m
>> -CONFIG_DRM_ARCPGU=m
>> -CONFIG_FB=y
>> +CONFIG_DRM=y
>> +CONFIG_DRM_I2C_ADV7511=y
>> +CONFIG_DRM_I2C_ADV7511_AUDIO=y
>> +CONFIG_DRM_ARCPGU=y
>>  CONFIG_FRAMEBUFFER_CONSOLE=y
>>  CONFIG_LOGO=y
>>  # CONFIG_LOGO_LINUX_MONO is not set
>>  # CONFIG_LOGO_LINUX_VGA16 is not set
>>  # CONFIG_LOGO_LINUX_CLUT224 is not set
>> +CONFIG_SOUND=y
>> +CONFIG_SND=y
>> +CONFIG_SND_SOC=y
>> +CONFIG_SND_DESIGNWARE_I2S=y
>> +CONFIG_SND_DESIGNWARE_PCM=y
>> +CONFIG_SND_SIMPLE_CARD=y
>>  CONFIG_USB_EHCI_HCD=y
>>  CONFIG_USB_EHCI_HCD_PLATFORM=y
>>  CONFIG_USB_OHCI_HCD=y
>> -------------------------------->8-------------------------------
>>
>> Anyways...
>>
>> Acked-by: Alexey Brodkin <abrodkin at synopsys.com>
> Rob, can you please take a look at this patch and at 2/2?
>
> Alexey, do you still maintain your ack in these patches? (I'm
> asking because I remember you were having no video after patch
> 2/2 of this series). If so, Vineet, can you please pick this up
> and patch 2/2 also?
>
> Best regards,
> Jose Miguel Abreu
>
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Gentle ping :)

Best regards,
Jose Miguel Abreu