openwrtv3/target/linux/brcm2708/patches-4.4/0174-Remove-I2S-config-from-bt_pins.patch
Álvaro Fernández Rojas dab5a44067 brcm2708: update linux 4.4 patches to latest version
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As usual these patches were extracted and rebased from the raspberry pi repo:
https://github.com/raspberrypi/linux/tree/rpi-4.4.y

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2017-02-06 22:24:42 +01:00

38 lines
1.2 KiB
Diff

From e281d1ab5060498de591dc55af4742f990c3ce16 Mon Sep 17 00:00:00 2001
From: DigitalDreamtime <clive.messer@digitaldreamtime.co.uk>
Date: Fri, 11 Mar 2016 11:44:35 +0000
Subject: [PATCH] Remove I2S config from bt_pins.
Remove I2S config from bt_pins. Causes issues with clock alignment when I2S is
used by an external DAC via GPIO header.
---
arch/arm/boot/dts/bcm2710-rpi-3-b.dts | 6 +++---
arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts | 2 +-
2 files changed, 4 insertions(+), 4 deletions(-)
--- a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
+++ b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
@@ -45,9 +45,9 @@
};
bt_pins: bt_pins {
- brcm,pins = <28 29 30 31 43>;
- brcm,function = <6 6 6 6 4>; /* alt2:PCM alt0:GPCLK2 */
- brcm,pull = <0 0 0 0 0>;
+ brcm,pins = <43>;
+ brcm,function = <4>; /* alt0:GPCLK2 */
+ brcm,pull = <0>;
};
uart0_pins: uart0_pins {
--- a/arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts
+++ b/arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts
@@ -29,7 +29,7 @@
target = <&uart1>;
__overlay__ {
pinctrl-names = "default";
- pinctrl-0 = <&uart1_pins>;
+ pinctrl-0 = <&uart1_pins &bt_pins>;
status = "okay";
};
};