openwrtv3/target/linux/brcm2708/patches-4.9/0126-spi-bcm2835-Disable-forced-software-CS.patch
Álvaro Fernández Rojas baad22eed3 brcm2708: update linux 4.9 patches to latest version
As usual these patches were extracted and rebased from the raspberry pi repo:
https://github.com/raspberrypi/linux/tree/rpi-4.9.y

- Remove led1 from diag.sh for RPi3 since it causes boot issues.
- Fix modules.mk typos.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2017-03-04 19:37:50 +01:00

26 lines
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Diff

From a6ef8db0e46713da43c81bc15fed01a4da0bd5a4 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Fri, 1 Jul 2016 22:09:24 +0100
Subject: [PATCH] spi-bcm2835: Disable forced software CS
Select software CS in bcm2708_common.dtsi, and disable the automatic
conversion in the driver to allow hardware CS to be re-enabled with an
overlay.
See: https://github.com/raspberrypi/linux/issues/1547
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
arch/arm/boot/dts/bcm283x.dtsi | 1 +
1 file changed, 1 insertion(+)
--- a/arch/arm/boot/dts/bcm283x.dtsi
+++ b/arch/arm/boot/dts/bcm283x.dtsi
@@ -163,6 +163,7 @@
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
+ cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
};
i2c0: i2c@7e205000 {