[PATCH v6 04/15] arm64: dts: qcom: sdm845-lg-common: Add uarts and Bluetooth

Paul Sajna posted 15 patches 1 week, 1 day ago
Only 12 patches received!
[PATCH v6 04/15] arm64: dts: qcom: sdm845-lg-common: Add uarts and Bluetooth
Posted by Paul Sajna 1 week, 1 day ago
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>
---
 arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi | 37 ++++++++++++++++++++++++++
 arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts  |  8 ++++++
 2 files changed, 45 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
index eb8de8d01177..57badeff16a5 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
@@ -27,10 +27,17 @@
 /delete-node/ &wlan_msa_mem;
 
 / {
+	aliases {
+		serial0 = &uart9;
+		serial1 = &uart6;
+	};
+
 	chosen {
 		#address-cells = <2>;
 		#size-cells = <2>;
 		ranges;
+
+		stdout-path = "serial0:115200n8";
 	};
 
 	reserved-memory {
@@ -490,6 +497,16 @@ &qupv3_id_1 {
 	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>;
 
@@ -540,6 +557,26 @@ sd_card_det_n: sd-card-det-n-state {
 	};
 };
 
+&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.
diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
index 09bfcef42402..e530a08f5e27 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
@@ -43,6 +43,14 @@ &adsp_pas {
 	firmware-name = "qcom/sdm845/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/judyln/cdsp.mbn";
 };

-- 
2.53.0
Re: [PATCH v6 04/15] arm64: dts: qcom: sdm845-lg-common: Add uarts and Bluetooth
Posted by Konrad Dybcio 1 week, 1 day ago
On 3/24/26 3:06 AM, Paul Sajna wrote:
> 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>
> ---

[...]

> diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> index 09bfcef42402..e530a08f5e27 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
> @@ -43,6 +43,14 @@ &adsp_pas {
>  	firmware-name = "qcom/sdm845/judyln/adsp.mbn";
>  };
>  
> +&bluetooth {
> +	/*
> +	 * This path is relative to the qca/
> +	 * subdir under lib/firmware.
> +	 */
> +	firmware-name = "judyln/crnv21.bin";

What about the other board?

Konrad