ARM: dts: exynos: Enable Bluetooth support for Trats board

Add a node for the BCM4334 Bluetooth chip on the serial bus #0 on
the Exynos4210-based Trats boards.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20201027142330.5121-1-m.szyprowski@samsung.com
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts
index a226bec..eb6ca2a 100644 (file)
--- a/arch/arm/boot/dts/exynos4210-trats.dts
+++ b/arch/arm/boot/dts/exynos4210-trats.dts
@@ -462,6 +462,26 @@
        };
 };
 
+&pinctrl_1 {
+       bt_shutdown: bt-shutdown {
+               samsung,pins = "gpl1-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+       };
+
+       bt_host_wakeup: bt-host-wakeup {
+               samsung,pins = "gpx2-6";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+       };
+
+       bt_device_wakeup: bt-device-wakeup {
+               samsung,pins = "gpx3-1";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+       };
+};
+
 &rtc {
        status = "okay";
        clocks = <&clock CLK_RTC>, <&pmic_ap_clk>;
@@ -512,6 +532,17 @@
 
 &serial_0 {
        status = "okay";
+       pinctrl-0 = <&uart0_data &uart0_fctl>;
+       pinctrl-names = "default";
+
+       bluetooth {
+               compatible = "brcm,bcm4330-bt";
+               pinctrl-0 = <&bt_shutdown &bt_device_wakeup &bt_host_wakeup>;
+               pinctrl-names = "default";
+               shutdown-gpios = <&gpl1 0 GPIO_ACTIVE_HIGH>;
+               device-wakeup-gpios = <&gpx3 1 GPIO_ACTIVE_HIGH>;
+               host-wakeup-gpios = <&gpx2 6 GPIO_ACTIVE_HIGH>;
+       };
 };
 
 &serial_1 {