ARM: dts: qcom: msm8974-klte: Add bluetooth support

Broadcom BCM4354 is used on Samsung Galaxy S5 phone
on BLSP2 UART8 bus.

Signed-off-by: Alexey Minnekhanov <alexeymin@postmarketos.org>
Link: https://lore.kernel.org/r/20210406140551.3328241-2-alexeymin@postmarketos.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

diff --git a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts
index 2dadb83..d737de7 100644 (file)
--- a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts
@@ -322,6 +322,27 @@
                status = "okay";
        };
 
+       /* blsp2_uart8 */
+       serial@f995e000 {
+               status = "okay";
+
+               pinctrl-names = "default", "sleep";
+               pinctrl-0 = <&blsp2_uart8_pins_active>;
+               pinctrl-1 = <&blsp2_uart8_pins_sleep>;
+
+               bluetooth {
+                       compatible = "brcm,bcm43540-bt";
+                       max-speed = <3000000>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&bt_pins>;
+                       device-wakeup-gpios = <&msmgpio 91 GPIO_ACTIVE_HIGH>;
+                       shutdown-gpios = <&gpio_expander 9 GPIO_ACTIVE_HIGH>;
+                       interrupt-parent = <&msmgpio>;
+                       interrupts = <75 IRQ_TYPE_LEVEL_HIGH>;
+                       interrupt-names = "host-wakeup";
+               };
+       };
+
        gpio-keys {
                compatible = "gpio-keys";
                input-name = "gpio-keys";
@@ -356,6 +377,35 @@
        };
 
        pinctrl@fd510000 {
+               blsp2_uart8_pins_active: blsp2-uart8-pins-active {
+                       pins = "gpio45", "gpio46", "gpio47", "gpio48";
+                       function = "blsp_uart8";
+                       drive-strength = <8>;
+                       bias-disable;
+               };
+
+               blsp2_uart8_pins_sleep: blsp2-uart8-pins-sleep {
+                       pins = "gpio45", "gpio46", "gpio47", "gpio48";
+                       function = "gpio";
+                       drive-strength = <2>;
+                       bias-pull-down;
+               };
+
+               bt_pins: bt-pins {
+                       hostwake {
+                               pins = "gpio75";
+                               function = "gpio";
+                               drive-strength = <16>;
+                               input-enable;
+                       };
+
+                       devwake {
+                               pins = "gpio91";
+                               function = "gpio";
+                               drive-strength = <2>;
+                       };
+               };
+
                sdhc1_pin_a: sdhc1-pin-active {
                        clk {
                                pins = "sdc1_clk";