ce0b8811d054345071dd565bd41e35d5093785a6
[openwrt/staging/adrian.git] /
1 From 10430ccee66023c26c90cdbc0d6381b41dcecfb7 Mon Sep 17 00:00:00 2001
2 From: Stefan Wahren <wahrenst@gmx.net>
3 Date: Wed, 25 Dec 2019 15:43:41 +0100
4 Subject: [PATCH] ARM: dts: bcm2838-rpi-4-b: Backport BT part from
5 upstream
6
7 The CYW43455 on the Raspberry Pi 4 doesn't use an external pin as lower
8 power clock anymore. So drop the GPIO clock from pinctrl. While we are at
9 this add the missing declaration of hardware flow control.
10
11 Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
12 ---
13 arch/arm/boot/dts/bcm2838-rpi-4-b.dts | 3 ++-
14 1 file changed, 2 insertions(+), 1 deletion(-)
15
16 --- a/arch/arm/boot/dts/bcm2838-rpi-4-b.dts
17 +++ b/arch/arm/boot/dts/bcm2838-rpi-4-b.dts
18 @@ -101,7 +101,8 @@
19 /* uart0 communicates with the BT module */
20 &uart0 {
21 pinctrl-names = "default";
22 - pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32 &gpclk2_gpio43>;
23 + pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>;
24 + uart-has-rtscts;
25 status = "okay";
26
27 bluetooth {