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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-07-09 20:32:28 +0200 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-07-14 12:44:14 +0200 |
| commit | 42954857190b9df16d9d873ecc7f6cc38e013e44 (patch) | |
| tree | 98c588f629ff534d458eb0884782ea99672d7634 /target/linux/brcm2708/patches-4.19/950-0183-overlays-uart0-return-GPIOs-14-and-15-to-inputs.patch | |
| parent | f1875e902d0afb7d9b9e5285b4fd8da7f6c5e30a (diff) | |
| download | upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.tar.gz upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.tar.bz2 upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.zip | |
brcm2708: add linux 4.19 support
Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709)
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0183-overlays-uart0-return-GPIOs-14-and-15-to-inputs.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0183-overlays-uart0-return-GPIOs-14-and-15-to-inputs.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0183-overlays-uart0-return-GPIOs-14-and-15-to-inputs.patch b/target/linux/brcm2708/patches-4.19/950-0183-overlays-uart0-return-GPIOs-14-and-15-to-inputs.patch new file mode 100644 index 0000000000..dd1f84547d --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0183-overlays-uart0-return-GPIOs-14-and-15-to-inputs.patch @@ -0,0 +1,42 @@ +From bd2af9087e825313f2c2d2cf4ff74c7421a705d2 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Wed, 7 Nov 2018 17:43:10 +0000 +Subject: [PATCH 183/703] overlays: uart0 - return GPIOs 14 and 15 to inputs + +In the event that alternate pins are used (only useful on Compute +Modules), return the standard pins to inputs to avoid double-mapping +them. + +See: https://www.raspberrypi.org/forums/viewtopic.php?p=1388713#p1316977 + +Signed-off-by: Phil Elwell <phil@raspberrypi.org> +--- + arch/arm/boot/dts/overlays/uart0-overlay.dts | 13 +++++++------ + 1 file changed, 7 insertions(+), 6 deletions(-) + +--- a/arch/arm/boot/dts/overlays/uart0-overlay.dts ++++ b/arch/arm/boot/dts/overlays/uart0-overlay.dts +@@ -17,16 +17,17 @@ + target = <&gpio>; + __overlay__ { + uart0_pins: uart0_pins { +- brcm,pins = <14 15>; +- brcm,function = <4>; /* alt0 */ +- brcm,pull = <0 2>; ++ brcm,pins = <14 15 14 15>; ++ brcm,function = <0 0 4 4>; /* alt0 */ ++ brcm,pull = <0 0 0 2>; + }; + }; + }; + + __overrides__ { +- txd0_pin = <&uart0_pins>,"brcm,pins:0"; +- rxd0_pin = <&uart0_pins>,"brcm,pins:4"; +- pin_func = <&uart0_pins>,"brcm,function:0"; ++ txd0_pin = <&uart0_pins>,"brcm,pins:8"; ++ rxd0_pin = <&uart0_pins>,"brcm,pins:12"; ++ pin_func = <&uart0_pins>,"brcm,function:8", ++ <&uart0_pins>,"brcm,function:12"; + }; + }; |