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

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Il 09/09/21 15:19, Dmitry Baryshkov ha scritto:
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.



Delaying this patch is not a problem on my side - but if the changes are backwards
compatible, do we really have reasons to delay it?

In any case, I trust your judgement on this: if you want to delay it, I will send
the wcn3990 support after the rework.

Cheers,
- Angelo



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