Re: [PATCH 2/2] arm64: dts: qcom: qrb4210-rb2: Enable bluetooth

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On 25.11.2023 16:04, Bryan O'Donoghue wrote:
> On 25/11/2023 13:04, Konrad Dybcio wrote:
>> Enable the QCA bluetooth on RB2. It identifies like the following:
>>
>> Bluetooth: hci0: QCA Product ID   :0x0000000a
>> Bluetooth: hci0: QCA SOC Version  :0x40020150
>> Bluetooth: hci0: QCA ROM Version  :0x00000201
>> Bluetooth: hci0: QCA Patch Version:0x00000001
>> Bluetooth: hci0: QCA controller version 0x01500201
>>
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
>> ---
[...]

>> +
>> +        rx-pins {
>> +            pins = "gpio11";
>> +            function = "gpio";
>> +            bias-pull-up;
>> +        };
>> +    };
>> +
> 
> My reading of downstream has all of these pins drive-strength = <2>.
Right, I'll fix it up.

> 
> 
>>       lt9611_rst_pin: lt9611-rst-state {
>>           pins = "gpio41";
>>           function = "gpio";
>> @@ -508,6 +567,26 @@ sdc2_card_det_n: sd-card-det-n-state {
>>       };
>>   };
>>   +&uart3 {
>> +    interrupts-extended = <&intc GIC_SPI 330 IRQ_TYPE_LEVEL_HIGH>,
>> +                  <&tlmm 11 IRQ_TYPE_LEVEL_HIGH>;
>> +    pinctrl-0 = <&uart3_default>;
>> +    pinctrl-1 = <&uart3_sleep>;
>> +    pinctrl-names = "default", "sleep";
>> +    status = "okay";
>> +
>> +    bluetooth {
>> +        compatible = "qcom,wcn3988-bt";
>> +
>> +        vddio-supply = <&vreg_l9a_1p8>;
>> +        vddxo-supply = <&vreg_l16a_1p3>;
>> +        vddrf-supply = <&vreg_l17a_1p3>;
>> +        vddch0-supply = <&vreg_l23a_3p3>;
>> +        enable-gpios = <&tlmm 87 GPIO_ACTIVE_HIGH>;
>> +        max-speed = <3200000>;
>> +    };
>> +};
> 
> Does firmware name not matter here ?
The driver figures it out, see
drivers/bluetooth/btqca.c : qca_uart_setup()

Konrad




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