linux-kernel - Re: [PATCH v5 3/3] riscv: dts: starfive: add the node and pins configuration for tdm

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Message-ID: <ed0a36ff-c497-9bb3-05d2-ea93285f4d1d@starfivetech.com>
Date:   Wed, 31 May 2023 14:30:19 +0800
From:   Walker Chen <walker.chen@...rfivetech.com>
To:     Hal Feng <hal.feng@...rfivetech.com>,
        Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Claudiu Beznea <Claudiu.Beznea@...rochip.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        "Takashi Iwai" <tiwai@...e.com>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        "Emil Renner Berthing" <emil.renner.berthing@...onical.com>
CC:     <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH v5 3/3] riscv: dts: starfive: add the node and pins
 configuration for tdm


On 2023/5/31 14:23, Hal Feng wrote:
> On Fri, 26 May 2023 22:54:02 +0800, Walker Chen wrote:
>> Add the tdm controller node and pins configuration of tdm for the
>> StarFive JH7110 SoC.
>> 
>> Signed-off-by: Walker Chen <walker.chen@...rfivetech.com>
>> ---
>>  .../jh7110-starfive-visionfive-2.dtsi         | 40 +++++++++++++++++++
>>  arch/riscv/boot/dts/starfive/jh7110.dtsi      | 21 ++++++++++
>>  2 files changed, 61 insertions(+)
>> 
>> diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
>> index 1155b97b593d..19b5954ee72d 100644
>> --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
>> +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
>> @@ -214,6 +214,40 @@
>>  			slew-rate = <0>;
>>  		};
>>  	};
>> +
>> +	tdm0_pins: tdm0-pins {
>> +		tdm0-pins-tx {
> 
> Use consistent naming, so
> 
> 	tdm_pins: tdm-0 {
> 		tx-pins {
> 
>> +			pinmux = <GPIOMUX(44, GPOUT_SYS_TDM_TXD,
>> +					      GPOEN_ENABLE,
>> +					      GPI_NONE)>;
>> +			bias-pull-up;
>> +			drive-strength = <2>;
>> +			input-disable;
>> +			input-schmitt-disable;
>> +			slew-rate = <0>;
>> +		};
>> +
>> +		tdm0-pins-rx {
> 
> 		rx-pins {
> 
>> +			pinmux = <GPIOMUX(61, GPOUT_HIGH,
>> +					      GPOEN_DISABLE,
>> +					      GPI_SYS_TDM_RXD)>;
>> +			input-enable;
>> +		};
>> +
>> +		tdm0-pins-sync {
> 
> 		sync-pins {
> 
>> +			pinmux = <GPIOMUX(63, GPOUT_HIGH,
>> +					      GPOEN_DISABLE,
>> +					      GPI_SYS_TDM_SYNC)>;
>> +			input-enable;
>> +		};
>> +
>> +		tdm0-pins-pcmclk {
> 
> 		pcmclk-pins {
> 
>> +			pinmux = <GPIOMUX(38, GPOUT_HIGH,
>> +					      GPOEN_DISABLE,
>> +					      GPI_SYS_TDM_CLK)>;
>> +			input-enable;
>> +		};
>> +	};
>>  };
>>  
>>  &uart0 {
>> @@ -221,3 +255,9 @@
>>  	pinctrl-0 = <&uart0_pins>;
>>  	status = "okay";
>>  };
>> +
>> +&tdm {
>> +	pinctrl-names = "default";
>> +	pinctrl-0 = <&tdm0_pins>;
> 
> 	pinctrl-0 = <&tdm_pins>;
> 
> Best regards,
> Hal

OK, I'll update these node's name in the next submit.
Thanks.

Best regards,
Walker