From 27f210c863d3349d41e366fb7573e9dcc0708e3d Mon Sep 17 00:00:00 2001 From: Phil Elwell Date: Fri, 4 Sep 2020 09:04:29 +0100 Subject: [PATCH] ARM: dts: Limit BT modem baud rate on 3B The 3B doesn't have the flow control signals connected to the BT modem, which limits the maximum usable baud rate to below 1 Mbaud. Use 921600 as a relatively safe default value, but the krnbt_baudrate parameter can still override it. Signed-off-by: Phil Elwell --- arch/arm/boot/dts/bcm2710-rpi-3-b.dts | 4 ++++ 1 file changed, 4 insertions(+) --- a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts +++ b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts @@ -117,6 +117,10 @@ status = "okay"; }; +&bt { + max-speed = <921600>; +}; + &spi0 { pinctrl-names = "default"; pinctrl-0 = <&spi0_pins &spi0_cs_pins>;