linux-kernel - Re: [PATCH v13 4/4] arm64: dts: qcom: sc7280-herobrine: Add lpi pinmux properties for CRD 3.0/3.1

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Date:   Thu, 5 May 2022 19:47:19 +0530
From:   Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
To:     Matthias Kaehlcke <mka@...omium.org>
CC:     <agross@...nel.org>, <bjorn.andersson@...aro.org>,
        <robh+dt@...nel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <quic_rohkumar@...cinc.com>, <srinivas.kandagatla@...aro.org>,
        <dianders@...omium.org>, <swboyd@...omium.org>,
        <judyhsiao@...omium.org>,
        Venkata Prasad Potturu <quic_potturu@...cinc.com>
Subject: Re: [PATCH v13 4/4] arm64: dts: qcom: sc7280-herobrine: Add lpi
 pinmux properties for CRD 3.0/3.1


On 5/5/2022 4:01 AM, Matthias Kaehlcke wrote:
Thanks for Your time Matthias!!!
> On Wed, May 04, 2022 at 04:46:27PM +0530, Srinivasa Rao Mandadapu wrote:
>> Add LPASS LPI pinctrl properties, which are required for Audio
>> functionality on herobrine based platforms of rev5+
>> (aka CRD 3.0/3.1) boards.
>>
>> Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
>> Co-developed-by: Venkata Prasad Potturu <quic_potturu@...cinc.com>
>> Signed-off-by: Venkata Prasad Potturu <quic_potturu@...cinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/sc7280-herobrine-crd.dts | 63 +++++++++++++++++++++++
>>   1 file changed, 63 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine-crd.dts b/arch/arm64/boot/dts/qcom/sc7280-herobrine-crd.dts
>> index deaea3a..dc61bad 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7280-herobrine-crd.dts
>> +++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine-crd.dts
>> @@ -110,6 +110,69 @@ ap_ts_pen_1v8: &i2c13 {
>>    * - If a pin is totally internal to Qcard then it gets Qcard name.
>>    * - If a pin is not hooked up on Qcard, it gets no name.
>>    */
>> +&lpass_dmic01_clk {
>> +	drive-strength = <8>;
>> +	bias-disable;
>> +};
>> +
>> +&lpass_dmic01_data {
>> +	bias-pull-down;
>> +};
>> +
>> +&lpass_dmic01_clk_sleep {
>> +	drive-strength = <2>;
>> +};
> should be after 'lpass_dmic01_clk'
Okay. Will sort accordingly.
>
>> +
>> +&lpass_dmic23_clk {
>> +	drive-strength = <8>;
>> +	bias-disable;
>> +};
>> +
>> +&lpass_dmic23_data {
>> +	bias-pull-down;
>> +};
>> +
>> +&lpass_dmic23_clk_sleep {
>> +	drive-strength = <2>;
>> +};
> see above
Okay.
>
>> +
>> +&lpass_rx_swr_clk {
>> +	drive-strength = <2>;
>> +	slew-rate = <1>;
>> +	bias-disable;
>> +};
>> +
>> +&lpass_rx_swr_data {
>> +	drive-strength = <2>;
>> +	slew-rate = <1>;
>> +	bias-bus-hold;
>> +};
>> +
>> +&lpass_rx_swr_clk_sleep {
>> +	drive-strength = <2>;
> drive strengh is the same as for 'lpass_rx_swr_clk', can be omitted?
Okay. Will remove it.
>
>> +	bias-pull-down;
>> +};
> see 'lpass_dmic23_clk_sleep'
Okay. Will sort accordingly.
>
>> +
>> +&lpass_rx_swr_data_sleep {
>> +	drive-strength = <2>;
> is drive strength really needed here?
Okay. Will remove it.
>
>> +	bias-pull-down;
>> +};
>> +
>> +&lpass_tx_swr_clk {
>> +	drive-strength = <2>;
>> +	slew-rate = <1>;
>> +	bias-disable;
>> +};
>> +
>> +&lpass_tx_swr_data {
>> +	slew-rate = <1>;
>> +	bias-bus-hold;
>> +};
>> +
>> +&lpass_tx_swr_clk_sleep {
>> +	drive-strength = <2>;
> is drive strength really needed here?
Okay. Will remove it.
>
>> +	bias-pull-down;
>> +};
> see 'lpass_dmic23_clk_sleep'
Okay. Will sort accordingly.
>
>>   
>>   &mi2s1_data0 {
>>   	drive-strength = <6>;
>> -- 
>> 2.7.4
>>