openwrt/target/linux/bcm27xx/patches-5.4/950-1040-overlays-add-spi-override-to-merus-amp-overlay.patch
Álvaro Fernández Rojas f07e572f64 bcm27xx: import latest patches from the RPi foundation
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>
2021-02-18 23:42:32 +01:00

45 lines
1.2 KiB
Diff

From 2b4ffcc3d1a589154928830e56d4b8efdf15e368 Mon Sep 17 00:00:00 2001
From: Aaron Shaw <shawaj@gmail.com>
Date: Sat, 26 Dec 2020 03:13:14 +0000
Subject: [PATCH] overlays: add spi override to merus-amp overlay
adds an override to the merus-amp overlay to turn the spi bus off
Change-type: patch
Signed-off-by: Aaron Shaw <shawaj@gmail.com>
---
arch/arm/boot/dts/overlays/README | 4 ++--
arch/arm/boot/dts/overlays/merus-amp-overlay.dts | 10 ++++++++++
2 files changed, 12 insertions(+), 2 deletions(-)
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -1870,8 +1870,8 @@ Params: speed Display
Name: merus-amp
Info: Configures the merus-amp audio card
-Load: dtoverlay=merus-amp
-Params: <None>
+Load: dtoverlay=merus-amp,<param>=<val>
+Params: spioff Turn SPI bus off
Name: midi-uart0
--- a/arch/arm/boot/dts/overlays/merus-amp-overlay.dts
+++ b/arch/arm/boot/dts/overlays/merus-amp-overlay.dts
@@ -57,4 +57,14 @@
status = "okay";
};
};
+
+ fragment@4 {
+ target = <&spi0>;
+ frag4: __overlay__ {
+ };
+ };
+
+ __overrides__ {
+ spioff = <&frag4>, "status=disabled";
+ };
};