diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0635-overlays-Add-the-spi-gpio40-45-overlay.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0635-overlays-Add-the-spi-gpio40-45-overlay.patch | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0635-overlays-Add-the-spi-gpio40-45-overlay.patch b/target/linux/brcm2708/patches-4.19/950-0635-overlays-Add-the-spi-gpio40-45-overlay.patch deleted file mode 100644 index 7315658408..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0635-overlays-Add-the-spi-gpio40-45-overlay.patch +++ /dev/null @@ -1,80 +0,0 @@ -From 726da40b8c272d181a41686195f91b914363167b Mon Sep 17 00:00:00 2001 -From: Tim Gover <tim.gover@raspberrypi.org> -Date: Tue, 22 Jan 2019 10:49:41 +0000 -Subject: [PATCH 635/806] overlays: Add the spi-gpio40-45 overlay - -The 2711 B0 boot EEPROM is programmed via SPI0 on GPIO -pins 40-43 CS0. Add a device tree overlay to optionally -change the SPI0 pinmux from the external GPIO pins to -the boot EEPROM pins. ---- - arch/arm/boot/dts/overlays/Makefile | 1 + - arch/arm/boot/dts/overlays/README | 6 ++++ - .../dts/overlays/spi-gpio40-45-overlay.dts | 36 +++++++++++++++++++ - 3 files changed, 43 insertions(+) - create mode 100644 arch/arm/boot/dts/overlays/spi-gpio40-45-overlay.dts - ---- a/arch/arm/boot/dts/overlays/Makefile -+++ b/arch/arm/boot/dts/overlays/Makefile -@@ -135,6 +135,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ - smi-dev.dtbo \ - smi-nand.dtbo \ - spi-gpio35-39.dtbo \ -+ spi-gpio40-45.dtbo \ - spi-rtc.dtbo \ - spi0-cs.dtbo \ - spi0-hw-cs.dtbo \ ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -1967,6 +1967,12 @@ Load: dtoverlay=spi-gpio35-39 - Params: <None> - - -+Name: spi-gpio40-45 -+Info: Move SPI function block to GPIOs 40 to 45 -+Load: dtoverlay=spi-gpio40-45 -+Params: <None> -+ -+ - Name: spi-rtc - Info: Adds support for a number of SPI Real Time Clock devices - Load: dtoverlay=spi-rtc,<param>=<val> ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/spi-gpio40-45-overlay.dts -@@ -0,0 +1,36 @@ -+/* -+ * Boot EEPROM overlay -+ */ -+ -+/dts-v1/; -+/plugin/; -+ -+/ { -+ compatible = "brcm,bcm2835"; -+ -+ fragment@0 { -+ target = <&spi0>; -+ __overlay__ { -+ cs-gpios = <&gpio 43 1>, <&gpio 44 1>, <&gpio 45 1>; -+ status = "okay"; -+ }; -+ }; -+ -+ fragment@1 { -+ target = <&spi0_cs_pins>; -+ __overlay__ { -+ brcm,pins = <45 44 43>; -+ brcm,function = <1>; /* output */ -+ status = "okay"; -+ }; -+ }; -+ -+ fragment@2 { -+ target = <&spi0_pins>; -+ __overlay__ { -+ brcm,pins = <40 41 42>; -+ brcm,function = <3>; /* alt4 */ -+ status = "okay"; -+ }; -+ }; -+}; |