On Sat, Sep 13, 2025 at 04:56:34PM -0700, Paul Sajna wrote:
> uart9 is debug serial on USB SBU1/2
> uart6 is bluetooth
>
> Signed-off-by: Paul Sajna <sajattack@postmarketos.org>
> ---
> arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi | 47 ++++++++++++++++++++++++++
> arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts | 10 ++++++
> 2 files changed, 57 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
> index 99dafc6716e76e25aad0755e6004dc952779689f..1acc418b943443f3ba4f8a8a1cfe2c575da11876 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
> @@ -31,6 +31,8 @@ chosen {
> #address-cells = <2>;
> #size-cells = <2>;
> ranges;
> +
> + stdout-path = "serial0:115200n8";
> };
>
> reserved-memory {
> @@ -159,6 +161,11 @@ vreg_s4a_1p8: pm8998-smps4-regulator {
>
> vin-supply = <&vph_pwr>;
> };
> +
> + aliases {
Please keep the file sorted. 'aliases' < 'chosen', etc.
> + serial0 = &uart9;
> + serial1 = &uart6;
> + };
> };
>
> &adsp_pas {
> @@ -595,3 +602,43 @@ vol_up_pin_a: vol-up-active-state {
> qcom,drive-strength = <PMIC_GPIO_STRENGTH_NO>;
> };
> };
> +
> +&qupv3_id_0 {
> + status = "okay";
> +};
> +
> +&qupv3_id_1 {
> + status = "okay";
> +};
> +
> +&qup_uart9_rx {
> + drive-strength = <2>;
> + bias-pull-up;
> +};
> +
> +&qup_uart9_tx {
> + drive-strength = <2>;
> + bias-disable;
> +};
> +
> +&uart6 {
> + pinctrl-0 = <&qup_uart6_4pin>;
> +
> + status = "okay";
> +
> + bluetooth {
> + compatible = "qcom,wcn3990-bt";
> +
> + vddio-supply = <&vreg_s4a_1p8>;
> + vddxo-supply = <&vreg_l7a_1p8>;
> + vddrf-supply = <&vreg_l17a_1p3>;
> + vddch0-supply = <&vreg_l25a_3p3>;
> + max-speed = <3200000>;
> + };
> +};
> +
> +&uart9 {
> + label = "LS-UART1";
> +
> + status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> index a12723310c8b630a4961de671ea8b60f1f8b512b..49225e4fa80e5f45a36964d5d733dc238e4413f8 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> @@ -66,3 +66,13 @@ thinq_key_default: thinq-key-default-state {
> bias-pull-up;
> };
> };
> +
> +&uart6 {
> + bluetooth {
> + /*
> + * This path is relative to the qca/
> + * subdir under lib/firmware.
Why do you need a special NV file? Please include BT information into
the commit message. Also, if qca_read_fw_board_id() returns a sensible
information on this board, it would be better to fix btqca driver to
apply board ID on WCN399x boards too.
> + */
> + firmware-name = "judyln/crnv21.bin";
> + };
> +};
>
> --
> 2.51.0
>
--
With best wishes
Dmitry