uart9 is debug serial on USB SBU1/2
UART RX is SBU1 and UART TX is SBU2 of the USB-C port).
1.8V Logic Level
Tested using pololu usb07a https://www.pololu.com/product/2585
and CH340 USB-UART
uart6 is bluetooth
Bluetooth: hci0: setting up wcn399x
Bluetooth: hci0: QCA Product ID :0x0000000a
Bluetooth: hci0: QCA SOC Version :0x40010214
Bluetooth: hci0: QCA ROM Version :0x00000201
Bluetooth: hci0: QCA Patch Version:0x00000001
Bluetooth: hci0: QCA controller version 0x02140201
Bluetooth: hci0: QCA Downloading qca/crbtfw21.tlv
Bluetooth: hci0: QCA Downloading qca/judyln/crnv21.bin
Bluetooth: hci0: QCA setup on UART is completed
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Paul Sajna <sajattack@postmarketos.org>
Link: https://lore.kernel.org/r/20260331-judyln-dts-v7-6-87217b15fefb@postmarketos.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
/delete-node/ &wlan_msa_mem;
/ {
+ aliases {
+ serial0 = &uart9;
+ serial1 = &uart6;
+ };
+
chosen {
#address-cells = <2>;
#size-cells = <2>;
ranges;
+
+ stdout-path = "serial0:115200n8";
};
reserved-memory {
status = "okay";
};
+&qup_uart9_rx {
+ drive-strength = <2>;
+ bias-pull-up;
+};
+
+&qup_uart9_tx {
+ drive-strength = <2>;
+ bias-disable;
+};
+
&sdhc_2 {
cd-gpios = <&tlmm 126 GPIO_ACTIVE_LOW>;
};
};
+&uart6 {
+ pinctrl-0 = <&qup_uart6_4pin>;
+
+ status = "okay";
+
+ bluetooth: 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 {
+ status = "okay";
+};
+
/*
* UFS works partially and only with clk_ignore_unused.
* Sometimes it crashes with I/O errors.
firmware-name = "qcom/sdm845/LG/judyln/adsp.mbn";
};
+&bluetooth {
+ /*
+ * This path is relative to the qca/
+ * subdir under lib/firmware.
+ */
+ firmware-name = "judyln/crnv21.bin";
+};
+
&cdsp_pas {
firmware-name = "qcom/sdm845/LG/judyln/cdsp.mbn";
};
firmware-name = "qcom/sdm845/LG/judyp/adsp.mbn";
};
+&bluetooth {
+ /*
+ * This path is relative to the qca/
+ * subdir under lib/firmware.
+ */
+ firmware-name = "judyp/crnv21.bin";
+};
+
&cdsp_pas {
firmware-name = "qcom/sdm845/LG/judyp/cdsp.mbn";
};