openwrtv4/target/linux/brcm2708/patches-4.9/0130-spi-bcm2835-Disable-forced-software-CS.patch
Álvaro Fernández Rojas 96aa0c6b0b brcm2708: add linux 4.9 support
Patches from Raspberry Pi repo:
https://github.com/raspberrypi/linux/commits/rpi-4.9.y

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2017-02-07 23:00:16 +01:00

26 lines
778 B
Diff

From 2248b18b5d21d0ce59bb874a8e20e53a39317eb0 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 {