Re: [PATCH v8 4/4] arm64: dts: qcom: sc8280xp-x13s: Add bluetooth

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On 29.03.2023 00:24, Luiz Augusto von Dentz wrote:
> Hi Steev,
> 
> On Sun, Mar 26, 2023 at 4:38 PM Steev Klimaszewski <steev@xxxxxxxx> wrote:
>>
>> The Lenovo Thinkpad X13s has a WCN6855 Bluetooth controller on uart2,
>> add this.
>>
>> Signed-off-by: Steev Klimaszewski <steev@xxxxxxxx>
> 
> I would like to merge this set but this one still doesn't have any
> Signed-off-by other than yours.
> 
>> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>

Konrad
>> Changes since v7:
>>  * Drop regulator now in a different patchset from Johan
>>  * Fix alphabetization
>>
>> Changes since v6:
>>  * Remove allowed-modes as they aren't needed
>>  * Remove regulator-allow-set-load
>>  * Set regulator-always-on because the wifi chip also uses the regulator
>>  * cts pin uses bias-bus-hold
>>  * Alphabetize uart2 pins
>>
>> Changes since v5:
>>  * Update patch subject
>>  * Specify initial mode (via guess) for vreg_s1c
>>  * Drop uart17 definition
>>  * Rename bt_en to bt_default because configuring more than one pin
>>  * Correct (maybe) bias configurations
>>  * Correct cts gpio
>>  * Split rts-tx into two nodes
>>  * Drop incorrect link in the commit message
>>
>> Changes since v4:
>>  * Address Konrad's review comments.
>>
>> Changes since v3:
>>  * Add vreg_s1c
>>  * Add regulators and not dead code
>>  * Fix commit message changelog
>>
>> Changes since v2:
>>  * Remove dead code and add TODO comment
>>  * Make dtbs_check happy with the pin definitions
>>
>>  .../qcom/sc8280xp-lenovo-thinkpad-x13s.dts    | 70 +++++++++++++++++++
>>  1 file changed, 70 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
>> index da79b5465a1b..129c5f9a2a61 100644
>> --- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
>> +++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
>> @@ -24,6 +24,7 @@ / {
>>         aliases {
>>                 i2c4 = &i2c4;
>>                 i2c21 = &i2c21;
>> +               serial1 = &uart2;
>>         };
>>
>>         wcd938x: audio-codec {
>> @@ -1102,6 +1103,32 @@ &txmacro {
>>         status = "okay";
>>  };
>>
>> +&uart2 {
>> +       pinctrl-0 = <&uart2_default>;
>> +       pinctrl-names = "default";
>> +
>> +       status = "okay";
>> +
>> +       bluetooth {
>> +               compatible = "qcom,wcn6855-bt";
>> +
>> +               vddio-supply = <&vreg_s10b>;
>> +               vddbtcxmx-supply = <&vreg_s12b>;
>> +               vddrfacmn-supply = <&vreg_s12b>;
>> +               vddrfa0p8-supply = <&vreg_s12b>;
>> +               vddrfa1p2-supply = <&vreg_s11b>;
>> +               vddrfa1p7-supply = <&vreg_s1c>;
>> +
>> +               max-speed = <3200000>;
>> +
>> +               enable-gpios = <&tlmm 133 GPIO_ACTIVE_HIGH>;
>> +               swctrl-gpios = <&tlmm 132 GPIO_ACTIVE_HIGH>;
>> +
>> +               pinctrl-0 = <&bt_default>;
>> +               pinctrl-names = "default";
>> +       };
>> +};
>> +
>>  &usb_0 {
>>         status = "okay";
>>  };
>> @@ -1222,6 +1249,21 @@ hastings_reg_en: hastings-reg-en-state {
>>  &tlmm {
>>         gpio-reserved-ranges = <70 2>, <74 6>, <83 4>, <125 2>, <128 2>, <154 7>;
>>
>> +       bt_default: bt-default-state {
>> +               hstp-bt-en-pins {
>> +                       pins = "gpio133";
>> +                       function = "gpio";
>> +                       drive-strength = <16>;
>> +                       bias-disable;
>> +               };
>> +
>> +               hstp-sw-ctrl-pins {
>> +                       pins = "gpio132";
>> +                       function = "gpio";
>> +                       bias-pull-down;
>> +               };
>> +       };
>> +
>>         edp_reg_en: edp-reg-en-state {
>>                 pins = "gpio25";
>>                 function = "gpio";
>> @@ -1389,6 +1431,34 @@ reset-n-pins {
>>                 };
>>         };
>>
>> +       uart2_default: uart2-default-state {
>> +               cts-pins {
>> +                       pins = "gpio121";
>> +                       function = "qup2";
>> +                       bias-bus-hold;
>> +               };
>> +
>> +               rts-pins {
>> +                       pins = "gpio122";
>> +                       function = "qup2";
>> +                       drive-strength = <2>;
>> +                       bias-disable;
>> +               };
>> +
>> +               rx-pins {
>> +                       pins = "gpio124";
>> +                       function = "qup2";
>> +                       bias-pull-up;
>> +               };
>> +
>> +               tx-pins {
>> +                       pins = "gpio123";
>> +                       function = "qup2";
>> +                       drive-strength = <2>;
>> +                       bias-disable;
>> +               };
>> +       };
>> +
>>         usb0_sbu_default: usb0-sbu-state {
>>                 oe-n-pins {
>>                         pins = "gpio101";
>> --
>> 2.39.2
>>
> 
> 



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