[PATCH v2 5/5] ARM: dts: r8a7794: add sound support

Sergei Shtylyov sergei.shtylyov at cogentembedded.com
Wed Feb 10 10:10:43 PST 2016


On 02/10/2016 06:12 AM, Kuninori Morimoto wrote:

>> Define the generic R8A7794 part of  the sound device node.
>> This sound device  is a complex one and comprises the Audio Clock Generator
>> (ADG), Sampling Rate Converter Unit (SCU), Serial Sound Interface [Unit]
>> (SSI[U]), and Audio DMAC-Peripheral-Peripheral.
>> It is up  to the board file to enable the device.
>>
>> This patch is based on the R8A7791 sound work by Kuninori Morimoto.
>>
>> Signed-off-by: Sergei Shtylyov <sergei.shtylyov at cogentembedded.com>
> (snip)
>> +		clocks = <&mstp10_clks R8A7794_CLK_SSI_ALL>,
>> +			 <&mstp10_clks R8A7794_CLK_SSI9>,
>> +			 <&mstp10_clks R8A7794_CLK_SSI8>,
>> +			 <&mstp10_clks R8A7794_CLK_SSI7>,
>> +			 <&mstp10_clks R8A7794_CLK_SSI6>,
>> +			 <&mstp10_clks R8A7794_CLK_SSI5>,
>> +			 <&mstp10_clks R8A7794_CLK_SSI4>,
>> +			 <&mstp10_clks R8A7794_CLK_SSI3>,
>> +			 <&mstp10_clks R8A7794_CLK_SSI2>,
>> +			 <&mstp10_clks R8A7794_CLK_SSI1>,
>> +			 <&mstp10_clks R8A7794_CLK_SSI0>,
>> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC9>,
>> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC8>,
>> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC7>,
>> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC6>,
>> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC5>,
>> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC4>,
>> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC3>,
>> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC2>,
>> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC1>,
>> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC0>,
>> +			 <&mstp10_clks R8A7794_CLK_SCU_CTU0_MIX0>,
>> +			 <&mstp10_clks R8A7794_CLK_SCU_CTU1_MIX1>,
>> +			 <&mstp10_clks R8A7794_CLK_SCU_CTU0_MIX0>,
>> +			 <&mstp10_clks R8A7794_CLK_SCU_CTU1_MIX1>,
>> +			 <&mstp10_clks R8A7794_CLK_SCU_DVC0>,
>> +			 <&mstp10_clks R8A7794_CLK_SCU_DVC1>,
>> +			 <&audio_clka>, <&audio_clkb>, <&audio_clkc>,
>> +			 <&m2_clk>;
>> +		clock-names = "ssi-all",
>> +			      "ssi.9", "ssi.8", "ssi.7", "ssi.6", "ssi.5",
>> +			      "ssi.4", "ssi.3", "ssi.2", "ssi.1", "ssi.0",
>> +			      "src.9", "src.8", "src.7", "src.6", "src.5",
>> +			      "src.4", "src.3", "src.2", "src.1", "src.0",
>> +			      "ctu.0", "ctu.1",
>> +			      "mix.0", "mix.1",
>> +			      "dvc.0", "dvc.1",
>> +			      "clk_a", "clk_b", "clk_c", "clk_i";
>
> I'm sorry about my previous email. I think I made you confuse.
> I meant you can remove CTU/MIX field if your patch doesn't care these.

    No, I got your idea right.
    But I decided to go for a more complete hardware representation, on par 
with the other R-Car SoCs.

MBR, Sergei




More information about the linux-arm-kernel mailing list