On 25/11/2023 13:04, Konrad Dybcio wrote:
Enable the QCA bluetooth on RB2. It identifies like the following:
Bluetooth: hci0: QCA Product ID :0x0000000a
Bluetooth: hci0: QCA SOC Version :0x40020150
Bluetooth: hci0: QCA ROM Version :0x00000201
Bluetooth: hci0: QCA Patch Version:0x00000001
Bluetooth: hci0: QCA controller version 0x01500201
Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 81 +++++++++++++++++++++++++++++++-
1 file changed, 80 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
index 9738c0dacd58..bd751236f983 100644
--- a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
+++ b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
@@ -15,6 +15,7 @@ / {
aliases {
serial0 = &uart4;
+ serial1 = &uart3;
};
chosen {
@@ -352,7 +353,8 @@ vreg_l8a_0p664: l8 {
vreg_l9a_1p8: l9 {
regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <2000000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-allow-set-load;
};
vreg_l10a_1p8: l10 {
@@ -389,11 +391,13 @@ vreg_l15a_3p128: l15 {
vreg_l16a_1p3: l16 {
regulator-min-microvolt = <1704000>;
regulator-max-microvolt = <1904000>;
+ regulator-allow-set-load;
};
vreg_l17a_1p3: l17 {
regulator-min-microvolt = <1152000>;
regulator-max-microvolt = <1384000>;
+ regulator-allow-set-load;
};
vreg_l18a_1p232: l18 {
@@ -426,6 +430,7 @@ vreg_l22a_2p96: l22 {
vreg_l23a_3p3: l23 {
regulator-min-microvolt = <3200000>;
regulator-max-microvolt = <3400000>;
+ regulator-allow-set-load;
};
vreg_l24a_2p96: l24 {
@@ -487,6 +492,60 @@ &tlmm {
<56 3>, <61 2>, <64 1>,
<68 1>, <72 8>, <96 1>;
+ uart3_default: uart3-default-state {
+ cts-pins {
+ pins = "gpio8";
+ function = "qup3";
+ bias-bus-hold;
+ };
+
+ rts-pins {
+ pins = "gpio9";
+ function = "qup3";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ tx-pins {
+ pins = "gpio10";
+ function = "qup3";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ rx-pins {
+ pins = "gpio11";
+ function = "qup3";
+ bias-pull-up;
+ };
+ };
+
+ uart3_sleep: uart3-sleep-state {
+ cts-pins {
+ pins = "gpio8";
+ function = "gpio";
+ bias-bus-hold;
+ };
+
+ rts-pins {
+ pins = "gpio9";
+ function = "gpio";
+ bias-pull-down;
+ };
+
+ tx-pins {
+ pins = "gpio10";
+ function = "gpio";
+ bias-pull-up;
+ };
+
+ rx-pins {
+ pins = "gpio11";
+ function = "gpio";
+ bias-pull-up;
+ };
+ };
+
My reading of downstream has all of these pins drive-strength = <2>.
lt9611_rst_pin: lt9611-rst-state {
pins = "gpio41";
function = "gpio";
@@ -508,6 +567,26 @@ sdc2_card_det_n: sd-card-det-n-state {
};
};
+&uart3 {
+ interrupts-extended = <&intc GIC_SPI 330 IRQ_TYPE_LEVEL_HIGH>,
+ <&tlmm 11 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-0 = <&uart3_default>;
+ pinctrl-1 = <&uart3_sleep>;
+ pinctrl-names = "default", "sleep";
+ status = "okay";
+
+ bluetooth {
+ compatible = "qcom,wcn3988-bt";
+
+ vddio-supply = <&vreg_l9a_1p8>;
+ vddxo-supply = <&vreg_l16a_1p3>;
+ vddrf-supply = <&vreg_l17a_1p3>;
+ vddch0-supply = <&vreg_l23a_3p3>;
+ enable-gpios = <&tlmm 87 GPIO_ACTIVE_HIGH>;
+ max-speed = <3200000>;
+ };
+};
Does firmware name not matter here ?
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>;
firmware-name = "crnv21.bin";
};
+
&uart4 {
status = "okay";
};
---
bod
