* [PATCH] ARM: dts: exynos: Enable Bluetooth support for Artik5 board
[not found] <CGME20200603104656eucas1p2abeab3bd0fd82af8a10fd278a43a62d3@eucas1p2.samsung.com>
@ 2020-06-03 10:46 ` Marek Szyprowski
2020-06-15 6:53 ` Krzysztof Kozlowski
0 siblings, 1 reply; 2+ messages in thread
From: Marek Szyprowski @ 2020-06-03 10:46 UTC (permalink / raw)
To: linux-samsung-soc
Cc: Marek Szyprowski, Krzysztof Kozlowski, Chanwoo Choi,
Bartlomiej Zolnierkiewicz
Add a node for the BCM4354 Bluetooth chip on the serial bus #0 on
the Exynos3250-based Artik5 boards.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
---
arch/arm/boot/dts/exynos3250-artik5.dtsi | 41 ++++++++++++++++++++++++
1 file changed, 41 insertions(+)
diff --git a/arch/arm/boot/dts/exynos3250-artik5.dtsi b/arch/arm/boot/dts/exynos3250-artik5.dtsi
index b27a82072365..6c2f320be2f4 100644
--- a/arch/arm/boot/dts/exynos3250-artik5.dtsi
+++ b/arch/arm/boot/dts/exynos3250-artik5.dtsi
@@ -352,6 +352,14 @@
};
&pinctrl_1 {
+ bten: bten {
+ samsung,pins ="gpx1-7";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+ samsung,pin-con-pdn = <EXYNOS_PIN_PDN_PREV>;
+ samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_DOWN>;
+ };
+
wlanen: wlanen {
samsung,pins = "gpx2-3";
samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
@@ -364,6 +372,22 @@
samsung,pins = "gpx3-5";
samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
};
+
+ bthostwake: bthostwake {
+ samsung,pins = "gpx3-6";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-con-pdn = <EXYNOS_PIN_PDN_INPUT>;
+ samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_NONE>;
+ };
+
+ btwake: btwake {
+ samsung,pins = "gpx3-7";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+ samsung,pin-con-pdn = <EXYNOS_PIN_PDN_OUT0>;
+ samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_DOWN>;
+ };
};
&rtc {
@@ -372,6 +396,23 @@
status = "okay";
};
+&serial_0 {
+ assigned-clocks = <&cmu CLK_SCLK_UART0>;
+ assigned-clock-rates = <100000000>;
+ status = "okay";
+
+ bluetooth {
+ compatible = "brcm,bcm4330-bt";
+ pinctrl-names = "default";
+ pinctrl-0 = <&bten &btwake &bthostwake>;
+ max-speed = <3000000>;
+ shutdown-gpios = <&gpx1 7 GPIO_ACTIVE_HIGH>;
+ device-wakeup-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
+ host-wakeup-gpios = <&gpx3 6 GPIO_ACTIVE_HIGH>;
+ clocks = <&s2mps14_osc S2MPS11_CLK_BT>;
+ };
+};
+
&tmu {
status = "okay";
};
--
2.17.1
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