linux-kernel - [PATCH 02/10] arm64: dts: meson-gxm-khadas-vim2: fix Bluetooth support

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Message-Id: <20190527132200.17377-3-narmstrong@baylibre.com>
Date:   Mon, 27 May 2019 15:21:52 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     khilman@...libre.com
Cc:     Christian Hewitt <christianshewitt@...il.com>,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Neil Armstrong <narmstrong@...libre.com>
Subject: [PATCH 02/10] arm64: dts: meson-gxm-khadas-vim2: fix Bluetooth support

From: Christian Hewitt <christianshewitt@...il.com>

- Remove serial1 alias
- Add support for uart_A rts/cts
- Add bluetooth uart_A subnode qith shutdown gpio

Fixes: b8b74dda3908 ("ARM64: dts: meson-gxm: Add support for Khadas VIM2")
Signed-off-by: Christian Hewitt <christianshewitt@...il.com>
Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
---
 arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
index 25079501f2bb..ff4f0780824d 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
@@ -18,7 +18,6 @@
 
 	aliases {
 		serial0 = &uart_AO;
-		serial1 = &uart_A;
 		serial2 = &uart_AO_B;
 	};
 
@@ -403,8 +402,14 @@
 /* This one is connected to the Bluetooth module */
 &uart_A {
 	status = "okay";
-	pinctrl-0 = <&uart_a_pins>;
+	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
 	pinctrl-names = "default";
+	uart-has-rtscts;
+
+	bluetooth {
+		compatible = "brcm,bcm43438-bt";
+		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
+	};
 };
 
 /* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
-- 
2.21.0