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2b1c6b21b5
As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Also adds support for Raspberry Pi Compute Module 3 (untested). Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
90 lines
2.1 KiB
Diff
90 lines
2.1 KiB
Diff
From 678f08c4c3fd62b5e3cd95cc9596733354b2ba19 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Sat, 19 Mar 2016 16:51:37 +0000
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Subject: [PATCH] BCM270X_DT: Remove explicit claiming of UART pins
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It is convenient to be able to map a different function to the UART
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pins (e.g. DPI for vga666) without having to disable the UART first.
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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arch/arm/boot/dts/bcm2710-rpi-3-b.dts | 6 +++---
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.../boot/dts/overlays/pi3-disable-bt-overlay.dts | 10 ++++-----
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.../boot/dts/overlays/pi3-miniuart-bt-overlay.dts | 25 +++++++++++-----------
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3 files changed, 20 insertions(+), 21 deletions(-)
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--- a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
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+++ b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
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@@ -57,9 +57,9 @@
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};
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uart1_pins: uart1_pins {
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- brcm,pins = <14 15>;
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- brcm,function = <2>; /* alt5=UART1 */
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- brcm,pull = <0 2>;
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+ brcm,pins;
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+ brcm,function;
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+ brcm,pull;
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};
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};
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--- a/arch/arm/boot/dts/overlays/pi3-disable-bt-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/pi3-disable-bt-overlay.dts
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@@ -28,13 +28,11 @@
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};
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fragment@2 {
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- target = <&gpio>;
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+ target = <&uart0_pins>;
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__overlay__ {
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- uart0_pins: uart0_pins {
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- brcm,pins = <14 15>;
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- brcm,function = <4>; /* alt0 */
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- brcm,pull = <0 2>;
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- };
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+ brcm,pins;
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+ brcm,function;
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+ brcm,pull;
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};
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};
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--- a/arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts
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@@ -37,23 +37,24 @@
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};
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fragment@2 {
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- target = <&gpio>;
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+ target = <&uart0_pins>;
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__overlay__ {
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- uart0_pins: uart0_pins {
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- brcm,pins = <14 15>;
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- brcm,function = <4>; /* alt0 */
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- brcm,pull = <0 2>;
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- };
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-
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- uart1_pins: uart1_pins {
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- brcm,pins = <32 33>;
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- brcm,function = <2>; /* alt5=UART1 */
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- brcm,pull = <0 2>;
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- };
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+ brcm,pins;
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+ brcm,function;
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+ brcm,pull;
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};
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};
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fragment@3 {
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+ target = <&uart1_pins>;
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+ __overlay__ {
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+ brcm,pins = <32 33>;
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+ brcm,function = <2>; /* alt5=UART1 */
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+ brcm,pull = <0 2>;
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+ };
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+ };
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+
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+ fragment@4 {
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target-path = "/aliases";
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__overlay__ {
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serial0 = "/soc/uart@7e201000";
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