diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0420-BCM270X_DT-Overlay-to-re-enable-HW-CS-on-SPI0.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0420-BCM270X_DT-Overlay-to-re-enable-HW-CS-on-SPI0.patch | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0420-BCM270X_DT-Overlay-to-re-enable-HW-CS-on-SPI0.patch b/target/linux/brcm2708/patches-4.4/0420-BCM270X_DT-Overlay-to-re-enable-HW-CS-on-SPI0.patch deleted file mode 100644 index 257d8a1e14..0000000000 --- a/target/linux/brcm2708/patches-4.4/0420-BCM270X_DT-Overlay-to-re-enable-HW-CS-on-SPI0.patch +++ /dev/null @@ -1,69 +0,0 @@ -From 2dcbb03d4f8bc425af50505140a9fac2103afb0c Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.org> -Date: Fri, 1 Jul 2016 22:34:52 +0100 -Subject: [PATCH] BCM270X_DT: Overlay to re-enable HW CS on SPI0 - -See: https://github.com/raspberrypi/linux/issues/1547 - -Signed-off-by: Phil Elwell <phil@raspberrypi.org> ---- - arch/arm/boot/dts/overlays/Makefile | 1 + - arch/arm/boot/dts/overlays/README | 6 ++++++ - arch/arm/boot/dts/overlays/spi0-hw-cs-overlay.dts | 26 +++++++++++++++++++++++ - 3 files changed, 33 insertions(+) - create mode 100644 arch/arm/boot/dts/overlays/spi0-hw-cs-overlay.dts - ---- a/arch/arm/boot/dts/overlays/Makefile -+++ b/arch/arm/boot/dts/overlays/Makefile -@@ -81,6 +81,7 @@ dtbo-$(RPI_DT_OVERLAYS) += smi-dev.dtbo - dtbo-$(RPI_DT_OVERLAYS) += smi-nand.dtbo - dtbo-$(RPI_DT_OVERLAYS) += spi-gpio35-39.dtbo - dtbo-$(RPI_DT_OVERLAYS) += spi-rtc.dtbo -+dtbo-$(RPI_DT_OVERLAYS) += spi0-hw-cs.dtbo - dtbo-$(RPI_DT_OVERLAYS) += spi1-1cs.dtbo - dtbo-$(RPI_DT_OVERLAYS) += spi1-2cs.dtbo - dtbo-$(RPI_DT_OVERLAYS) += spi1-3cs.dtbo ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -1006,6 +1006,12 @@ Load: dtoverlay=spi-rtc,<param>=<val> - Params: pcf2123 Select the PCF2123 device - - -+Name: spi0-hw-cs -+Info: Re-enables hardware CS/CE (chip selects) for SPI0 -+Load: dtoverlay=spi0-hw-cs -+Params: <None> -+ -+ - Name: spi1-1cs - Info: Enables spi1 with a single chip select (CS) line and associated spidev - dev node. The gpio pin number for the CS line and spidev device node ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/spi0-hw-cs-overlay.dts -@@ -0,0 +1,26 @@ -+/* -+ * Device tree overlay to re-enable hardware CS for SPI0 -+ */ -+ -+/dts-v1/; -+/plugin/; -+ -+/ { -+ compatible = "brcm,bcm2835", "brcm,bcm2836", "brcm,bcm2708", "brcm,bcm2709"; -+ -+ fragment@0 { -+ target = <&spi0>; -+ __overlay__ { -+ cs-gpios = <0>, <0>; -+ status = "okay"; -+ }; -+ }; -+ -+ fragment@1 { -+ target = <&spi0_cs_pins>; -+ __overlay__ { -+ brcm,pins = <8 7>; -+ brcm,function = <4>; /* alt0 */ -+ }; -+ }; -+}; |