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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2020-05-28 19:08:55 +0200 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2020-05-28 19:12:43 +0200 |
| commit | 77e97abf129c5028385dd72587eabab68db0d954 (patch) | |
| tree | fc52a8c2ba346da77281f00538a1eb6de49deb5d /target/linux/bcm27xx/patches-5.4/950-0347-overlays-Remove-hack-from-uart0-overlay.patch | |
| parent | 5d3a0c6b26144eb5d62515b99613b5ad8dbdc717 (diff) | |
| download | upstream-77e97abf129c5028385dd72587eabab68db0d954.tar.gz upstream-77e97abf129c5028385dd72587eabab68db0d954.tar.bz2 upstream-77e97abf129c5028385dd72587eabab68db0d954.zip | |
bcm27xx: update to latest patches from RPi foundation
Also removes random module and switches to new bcm2711 thermal driver.
Boot tested on RPi 4B v1.1 4G.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0347-overlays-Remove-hack-from-uart0-overlay.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0347-overlays-Remove-hack-from-uart0-overlay.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0347-overlays-Remove-hack-from-uart0-overlay.patch b/target/linux/bcm27xx/patches-5.4/950-0347-overlays-Remove-hack-from-uart0-overlay.patch new file mode 100644 index 0000000000..ac70b35413 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0347-overlays-Remove-hack-from-uart0-overlay.patch @@ -0,0 +1,45 @@ +From d24bb9c4b5d3b0bb2bd5dd922bae3fce894ab87e Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Tue, 1 Oct 2019 10:19:50 +0100 +Subject: [PATCH] overlays: Remove hack from uart0 overlay + +The uart0 overlay contained a hack to return GPIOs 14 and 15 to inputs +when the UART0 function was moved to alternative pins. This has the +unwanted side effect of claiming GPIOs 14 & 15, preventing them being +used for something else. + +See: https://github.com/raspberrypi/linux/issues/2856 + https://www.raspberrypi.org/forums/viewtopic.php?f=98&t=252911 + +Signed-off-by: Stefan Enge <stefan.enge@escatec.com> +Signed-off-by: Phil Elwell <phil@raspberrypi.org> +--- + arch/arm/boot/dts/overlays/uart0-overlay.dts | 13 ++++++------- + 1 file changed, 6 insertions(+), 7 deletions(-) + +--- a/arch/arm/boot/dts/overlays/uart0-overlay.dts ++++ b/arch/arm/boot/dts/overlays/uart0-overlay.dts +@@ -17,17 +17,16 @@ + target = <&gpio>; + __overlay__ { + uart0_pins: uart0_pins { +- brcm,pins = <14 15 14 15>; +- brcm,function = <0 0 4 4>; /* alt0 */ +- brcm,pull = <0 0 0 2>; ++ brcm,pins = <14 15>; ++ brcm,function = <4>; /* alt0 */ ++ brcm,pull = <0 2>; + }; + }; + }; + + __overrides__ { +- 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"; ++ txd0_pin = <&uart0_pins>,"brcm,pins:0"; ++ rxd0_pin = <&uart0_pins>,"brcm,pins:4"; ++ pin_func = <&uart0_pins>,"brcm,function:0"; + }; + }; |