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From 93d9ea7abe5811252560ec7ae2c5301d0bfb3c0d Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Sat, 19 Mar 2016 16:51:37 +0000
Subject: [PATCH] BCM270X_DT: Remove explicit claiming of UART pins
It is convenient to be able to map a different function to the UART
pins (e.g. DPI for vga666) without having to disable the UART first.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
arch/arm/boot/dts/bcm2710-rpi-3-b.dts | 6 +++---
.../boot/dts/overlays/pi3-disable-bt-overlay.dts | 10 ++++-----
.../boot/dts/overlays/pi3-miniuart-bt-overlay.dts | 25 +++++++++++-----------
3 files changed, 20 insertions(+), 21 deletions(-)
--- a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
+++ b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
@@ -57,9 +57,9 @@
};
uart1_pins: uart1_pins {
- brcm,pins = <14 15>;
- brcm,function = <2>; /* alt5=UART1 */
- brcm,pull = <0 2>;
+ brcm,pins;
+ brcm,function;
+ brcm,pull;
};
};
--- a/arch/arm/boot/dts/overlays/pi3-disable-bt-overlay.dts
+++ b/arch/arm/boot/dts/overlays/pi3-disable-bt-overlay.dts
@@ -28,13 +28,11 @@
};
fragment@2 {
- target = <&gpio>;
+ target = <&uart0_pins>;
__overlay__ {
- uart0_pins: uart0_pins {
- brcm,pins = <14 15>;
- brcm,function = <4>; /* alt0 */
- brcm,pull = <0 2>;
- };
+ brcm,pins;
+ brcm,function;
+ brcm,pull;
};
};
--- a/arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts
+++ b/arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts
@@ -37,23 +37,24 @@
};
fragment@2 {
- target = <&gpio>;
+ target = <&uart0_pins>;
__overlay__ {
- uart0_pins: uart0_pins {
- brcm,pins = <14 15>;
- brcm,function = <4>; /* alt0 */
- brcm,pull = <0 2>;
- };
-
- uart1_pins: uart1_pins {
- brcm,pins = <32 33>;
- brcm,function = <2>; /* alt5=UART1 */
- brcm,pull = <0 2>;
- };
+ brcm,pins;
+ brcm,function;
+ brcm,pull;
};
};
fragment@3 {
+ target = <&uart1_pins>;
+ __overlay__ {
+ brcm,pins = <32 33>;
+ brcm,function = <2>; /* alt5=UART1 */
+ brcm,pull = <0 2>;
+ };
+ };
+
+ fragment@4 {
target-path = "/aliases";
__overlay__ {
serial0 = "/soc/uart@7e201000";
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