From:   Vasily Khoruzhick <anarsoul@gmail.com>
To:     "David S. Miller" <davem@davemloft.net>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Maxime Ripard <maxime.ripard@bootlin.com>,
        Chen-Yu Tsai <wens@csie.org>,
        Marcel Holtmann <marcel@holtmann.org>,
        Johan Hedberg <johan.hedberg@gmail.com>,
        Vasily Khoruzhick <anarsoul@gmail.com>, netdev@vger.kernel.org,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-bluetooth@vger.kernel.org
Subject: [PATCH 6/8] arm64: allwinner: a64: enable Bluetooth On Pinebook
Date:   Fri, 18 Jan 2019 09:02:30 -0800
Message-Id: <20190118170232.16142-7-anarsoul@gmail.com>
In-Reply-To: <20190118170232.16142-1-anarsoul@gmail.com>
References: <20190118170232.16142-1-anarsoul@gmail.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Sender: linux-bluetooth-owner@vger.kernel.org
Precedence: bulk

Pinebook has an RTL8723CS WiFi + BT chip, BT is connected to UART1
and uses PL4 as BT reset, PL5 as device wake GPIO, PL6 as host wake GPIO
the I2C controlling signals are connected to R_I2C bus.

Enable it in the device tree.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
---
 .../boot/dts/allwinner/sun50i-a64-pinebook.dts     | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
index d22736a62481..8fc55dfa7034 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
@@ -340,6 +340,20 @@
 	status = "okay";
 };
 
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
+	status = "okay";
+
+	bluetooth {
+		compatible = "realtek,rtl8723cs-bt";
+		reset-gpios = <&r_pio 0 4 GPIO_ACTIVE_LOW>; /* PL4 */
+		device-wake-gpios = <&r_pio 0 5 GPIO_ACTIVE_LOW>; /* PL5 */
+		host-wake-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
+		firmware-postfix = "pinebook";
+	};
+};
+
 &usb_otg {
 	dr_mode = "host";
 };
-- 
2.20.1