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Re: [PATCH v2 9/9] arm64: dts: rockchip: RockPro64: hook up bluetooth at uart0

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Hi Soeren,

On 11/12/2019 11:52 pm, Soeren Moch wrote:
With enabled wifi support (required for firmware loading) for the
Ampak AP6359SA based wifi/bt combo module we now also can enable
the bluetooth part.

Suggested-by: Heiko Stuebner <heiko@xxxxxxxxx>
Signed-off-by: Soeren Moch <smoch@xxxxxx>
---
changes in v2:
- new patch

Cc: Heiko Stuebner <heiko@xxxxxxxxx>
Cc: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Cc: linux-wireless@xxxxxxxxxxxxxxx
Cc: brcm80211-dev-list.pdl@xxxxxxxxxxxx
Cc: brcm80211-dev-list@xxxxxxxxxxx
Cc: netdev@xxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-rockchip@xxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
  .../boot/dts/rockchip/rk3399-rockpro64.dts    | 29 ++++++++++++++++++-
  1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
index 9fa92790d6e0..94cc462e234d 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
@@ -561,6 +561,20 @@
  };

  &pinctrl {
+	bt {
+		bt_enable_h: bt-enable-h {
+			rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		bt_host_wake_l: bt-host-wake-l {
+			rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_down>;
+		};
+
+		bt_wake_l: bt-wake-l {
+			rockchip,pins = <2 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
  	buttons {
  		pwrbtn: pwrbtn {
  			rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
@@ -729,8 +743,21 @@

  &uart0 {
  	pinctrl-names = "default";
-	pinctrl-0 = <&uart0_xfer &uart0_cts>;
+	pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
  	status = "okay";
+
+	bluetooth {
+		compatible = "brcm,bcm43438-bt";
+		clocks = <&rk808 1>;
+		clock-names = "extclk";

Is this right? Comparing the binding and the naming on the schematics, it seems more likely that this might be the LPO clock rather than the TXCO clock.

Robin.

+		device-wakeup-gpios = <&gpio2 RK_PD3 GPIO_ACTIVE_HIGH>;
+		host-wakeup-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>;
+		shutdown-gpios = <&gpio0 RK_PB1 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&bt_host_wake_l &bt_wake_l &bt_enable_h>;
+		vbat-supply = <&vcc3v3_sys>;
+		vddio-supply = <&vcc_1v8>;
+	};
  };

  &uart2 {
--
2.17.1


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