aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/brcm2708/patches-4.9/950-0126-spi-bcm2835-Disable-forced-software-CS.patch
blob: 1d2bd29ab6b62a7a601411e7e63a9a093943022e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
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
@@ -371,6 +371,7 @@
 			#address-cells = <1>;
 			#size-cells = <0>;
 			status = "disabled";
+			cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
 		};
 
 		i2c0: i2c@7e205000 {