diff options
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.patch | 36 |
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>; - }; - }; |