diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0373-ARM-dts-bcm2838-rpi-4-b-Backport-BT-part-from-upstre.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0373-ARM-dts-bcm2838-rpi-4-b-Backport-BT-part-from-upstre.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0373-ARM-dts-bcm2838-rpi-4-b-Backport-BT-part-from-upstre.patch b/target/linux/bcm27xx/patches-5.4/950-0373-ARM-dts-bcm2838-rpi-4-b-Backport-BT-part-from-upstre.patch new file mode 100644 index 0000000000..ce0b8811d0 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0373-ARM-dts-bcm2838-rpi-4-b-Backport-BT-part-from-upstre.patch @@ -0,0 +1,27 @@ +From 10430ccee66023c26c90cdbc0d6381b41dcecfb7 Mon Sep 17 00:00:00 2001 +From: Stefan Wahren <wahrenst@gmx.net> +Date: Wed, 25 Dec 2019 15:43:41 +0100 +Subject: [PATCH] ARM: dts: bcm2838-rpi-4-b: Backport BT part from + upstream + +The CYW43455 on the Raspberry Pi 4 doesn't use an external pin as lower +power clock anymore. So drop the GPIO clock from pinctrl. While we are at +this add the missing declaration of hardware flow control. + +Signed-off-by: Stefan Wahren <wahrenst@gmx.net> +--- + arch/arm/boot/dts/bcm2838-rpi-4-b.dts | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +--- a/arch/arm/boot/dts/bcm2838-rpi-4-b.dts ++++ b/arch/arm/boot/dts/bcm2838-rpi-4-b.dts +@@ -101,7 +101,8 @@ + /* uart0 communicates with the BT module */ + &uart0 { + pinctrl-names = "default"; +- pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32 &gpclk2_gpio43>; ++ pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>; ++ uart-has-rtscts; + status = "okay"; + + bluetooth { |