aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/brcm2708/patches-4.1/0201-BCM270X_DT-Reduce-default-at86rf233-SPI-frequency.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/brcm2708/patches-4.1/0201-BCM270X_DT-Reduce-default-at86rf233-SPI-frequency.patch')
-rw-r--r--target/linux/brcm2708/patches-4.1/0201-BCM270X_DT-Reduce-default-at86rf233-SPI-frequency.patch36
1 files changed, 0 insertions, 36 deletions
diff --git a/target/linux/brcm2708/patches-4.1/0201-BCM270X_DT-Reduce-default-at86rf233-SPI-frequency.patch b/target/linux/brcm2708/patches-4.1/0201-BCM270X_DT-Reduce-default-at86rf233-SPI-frequency.patch
deleted file mode 100644
index 5d7f9a5142..0000000000
--- a/target/linux/brcm2708/patches-4.1/0201-BCM270X_DT-Reduce-default-at86rf233-SPI-frequency.patch
+++ /dev/null
@@ -1,36 +0,0 @@
-From 6d67bc40a1f5236fb00c503ab631819939efc01d Mon Sep 17 00:00:00 2001
-From: Phil Elwell <phil@raspberrypi.org>
-Date: Mon, 12 Oct 2015 08:52:00 +0100
-Subject: [PATCH 201/222] BCM270X_DT: Reduce default at86rf233 SPI frequency
-
-The AT86RF233 has been found to be unreliable on a 7.5MHz SPI bus,
-so reduce the default frequency to 6MHz.
-
-See: https://github.com/raspberrypi/linux/issues/1151
----
- arch/arm/boot/dts/overlays/README | 2 +-
- arch/arm/boot/dts/overlays/at86rf233-overlay.dts | 2 +-
- 2 files changed, 2 insertions(+), 2 deletions(-)
-
---- a/arch/arm/boot/dts/overlays/README
-+++ b/arch/arm/boot/dts/overlays/README
-@@ -178,7 +178,7 @@ Load: dtoverlay=at86rf233,<param>=<val
- Params: interrupt GPIO used for INT (default 23)
- reset GPIO used for Reset (default 24)
- sleep GPIO used for Sleep (default 25)
-- speed SPI bus speed in Hz (default 750000)
-+ speed SPI bus speed in Hz (default 6000000)
- trim Fine tuning of the internal capacitance
- arrays (0=+0pF, 15=+4.5pF, default 15)
-
---- a/arch/arm/boot/dts/overlays/at86rf233-overlay.dts
-+++ b/arch/arm/boot/dts/overlays/at86rf233-overlay.dts
-@@ -25,7 +25,7 @@
- interrupts = <23 4>; /* active high */
- reset-gpio = <&gpio 24 1>;
- sleep-gpio = <&gpio 25 1>;
-- spi-max-frequency = <7500000>;
-+ spi-max-frequency = <6000000>;
- xtal-trim = /bits/ 8 <0xf>;
- };
- };