From: Manivannan Sadhasivam <[email protected]>

Add Bluetooth support on RB5 using the onboard QCA6391 WLAN+BT chipset.

Signed-off-by: Manivannan Sadhasivam <[email protected]>
[DB: added qca639x power domain]
Signed-off-by: Dmitry Baryshkov <[email protected]>
---
 arch/arm64/boot/dts/qcom/qrb5165-rb5.dts | 97 ++++++++++++++++++++++++
 1 file changed, 97 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts 
b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
index 1be984d89f48..e6bab9960cea 100644
--- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
+++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
@@ -17,6 +17,7 @@ / {
        compatible = "qcom,qrb5165-rb5", "qcom,sm8250";
 
        aliases {
+               hsuart0 = &uart6;
                serial0 = &uart12;
                sdhc2 = &sdhc_2;
        };
@@ -118,6 +119,23 @@ vreg_s4a_1p8: vreg-s4a-1p8 {
                regulator-max-microvolt = <1800000>;
                regulator-always-on;
        };
+
+       qca639x: qca639x {
+               compatible = "qcom,qca639x";
+               #power-domain-cells = <0>;
+
+               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>;
+               pinctrl-names = "default", "active";
+               pinctrl-0 = <&wlan_default_state &bt_default_state>;
+               pinctrl-1 = <&wlan_active_state &bt_active_state>;
+       };
 };
 
 &apps_rsc {
@@ -131,6 +149,13 @@ pm8009-rpmh-regulators {
                vdd-l5-l6-supply = <&vreg_bob>;
                vdd-l7-supply = <&vreg_s4a_1p8>;
 
+               vreg_s2f_0p95: smps2 {
+                       regulator-name = "vreg_s2f_0p95";
+                       regulator-min-microvolt = <512000>;
+                       regulator-max-microvolt = <1100000>;
+                       regulator-initial-mode = <RPMH_REGULATOR_MODE_AUTO>;
+               };
+
                vreg_l1f_1p1: ldo1 {
                        regulator-name = "vreg_l1f_1p1";
                        regulator-min-microvolt = <1104000>;
@@ -513,6 +538,26 @@ &pm8150_rtc {
        status = "okay";
 };
 
+&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";
 };
@@ -738,6 +783,28 @@ &tlmm {
                "HST_WLAN_UART_TX",
                "HST_WLAN_UART_RX";
 
+       bt_default_state: bt-default-state {
+               bt-en {
+                       pins = "gpio21";
+                       function = "gpio";
+
+                       drive-strength = <16>;
+                       output-low;
+                       bias-pull-up;
+               };
+       };
+
+       bt_active_state: bt-active-state {
+               bt-en {
+                       pins = "gpio21";
+                       function = "gpio";
+
+                       drive-strength = <16>;
+                       output-high;
+                       bias-pull-up;
+               };
+       };
+
        pcie0_default_state: pcie0-default {
                clkreq {
                        pins = "gpio80";
@@ -838,6 +905,36 @@ sdc2_card_det_n: sd-card-det-n {
                function = "gpio";
                bias-pull-up;
        };
+
+       wlan_default_state: wlan-default-state {
+               wlan-en {
+                       pins = "gpio20";
+                       function = "gpio";
+
+                       drive-strength = <16>;
+                       output-low;
+                       bias-pull-up;
+               };
+       };
+
+       wlan_active_state: wlan-active-state {
+               wlan-en {
+                       pins = "gpio20";
+                       function = "gpio";
+
+                       drive-strength = <16>;
+                       output-high;
+                       bias-pull-up;
+               };
+       };
+};
+
+&uart6 {
+       status = "okay";
+       bluetooth {
+               compatible = "qcom,qca6390-bt";
+               power-domains = <&qca639x>;
+       };
 };
 
 &uart12 {
-- 
2.29.2

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