Add support for the bluetooth part of the QCA6391 BT+WiFi chip present
on the RB5 board. WiFi is not supported yet, as it requires separate
handling of the PCIe device power.
Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
---
arch/arm64/boot/dts/qcom/qrb5165-rb5.dts | 50 ++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
index 8ac96f8e79d4..326330f528fc 100644
--- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
+++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
@@ -19,6 +19,7 @@ / {
aliases {
serial0 = &uart12;
+ serial1 = &uart6;
sdhc2 = &sdhc_2;
};
@@ -98,6 +99,25 @@ lt9611_3v3: lt9611-3v3 {
regulator-always-on;
};
+ qca_pwrseq: qca-pwrseq {
+ compatible = "qcom,qca6390-pwrseq";
+
+ #pwrseq-cells = <1>;
+
+ vddaon-supply = <&vreg_s6a_0p95>;
+ vddpmu-supply = <&vreg_s2f_0p95>;
+ vddrfa1-supply = <&vreg_s2f_0p95>;
+ vddrfa2-supply = <&vreg_s8c_1p3>;
+ vddrfa3-supply = <&vreg_s5a_1p9>;
+ vddpcie1-supply = <&vreg_s8c_1p3>;
+ vddpcie2-supply = <&vreg_s5a_1p9>;
+ vddio-supply = <&vreg_s4a_1p8>;
+
+ bt-enable-gpios = <&tlmm 21 GPIO_ACTIVE_HIGH>;
+ wifi-enable-gpios = <&tlmm 20 GPIO_ACTIVE_HIGH>;
+ swctrl-gpios = <&tlmm 124 GPIO_ACTIVE_HIGH>;
+ };
+
thermal-zones {
conn-thermal {
polling-delay-passive = <0>;
@@ -804,6 +824,26 @@ lt9611_rst_pin: lt9611-rst-pin {
};
};
+&qup_uart6_default {
+ ctsrx {
+ pins = "gpio16", "gpio19";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ rts {
+ pins = "gpio17";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ tx {
+ pins = "gpio18";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+};
+
&qupv3_id_0 {
status = "okay";
};
@@ -1193,6 +1233,16 @@ sdc2_card_det_n: sd-card-det-n {
};
};
+&uart6 {
+ status = "okay";
+ bluetooth {
+ compatible = "qcom,qca6390-bt";
+ clocks = <&sleep_clk>;
+
+ bt-pwrseq = <&qca_pwrseq 1>;
+ };
+};
+
&uart12 {
status = "okay";
};
--
2.33.0
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