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f07e572f64
bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
28 lines
944 B
Diff
28 lines
944 B
Diff
From 10430ccee66023c26c90cdbc0d6381b41dcecfb7 Mon Sep 17 00:00:00 2001
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From: Stefan Wahren <wahrenst@gmx.net>
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Date: Wed, 25 Dec 2019 15:43:41 +0100
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Subject: [PATCH] ARM: dts: bcm2838-rpi-4-b: Backport BT part from
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upstream
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The CYW43455 on the Raspberry Pi 4 doesn't use an external pin as lower
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power clock anymore. So drop the GPIO clock from pinctrl. While we are at
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this add the missing declaration of hardware flow control.
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Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
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---
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arch/arm/boot/dts/bcm2838-rpi-4-b.dts | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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--- a/arch/arm/boot/dts/bcm2838-rpi-4-b.dts
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+++ b/arch/arm/boot/dts/bcm2838-rpi-4-b.dts
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@@ -101,7 +101,8 @@
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/* uart0 communicates with the BT module */
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&uart0 {
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pinctrl-names = "default";
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- pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32 &gpclk2_gpio43>;
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+ pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>;
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+ uart-has-rtscts;
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status = "okay";
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bluetooth {
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