Re: [PATCH 3/7] arm64: dts: qcom: msm8998-xperia: Add support for wcn3990 Bluetooth

From: Dmitry Baryshkov
Date: Thu Sep 09 2021 - 10:29:02 EST


On 03/09/2021 21:09, AngeloGioacchino Del Regno wrote:
This platform uses the WCN3990 Bluetooth chip, reachable on UART-3.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxxx>
Reviewed-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
---
.../dts/qcom/msm8998-sony-xperia-yoshino.dtsi | 17 +++++++++++++++++
1 file changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi b/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi
index 2fe53e4675d5..66b009ba72fe 100644
--- a/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi
@@ -179,6 +179,23 @@ &blsp1_i2c5_sleep {
bias-disable;
};
+&blsp1_uart3 {
+ 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>;
+
+ clocks = <&rpmcc RPM_SMD_RF_CLK2_PIN>;
+ };
+};

There is an ongoing proposal to rework wcn3990 (bt and wifi) bindings, so we might want to delay this a bit. Not a strict requirement, since the changes would be backwards-compatible.


--
With best wishes
Dmitry