diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0164-BCM270X_DT-Add-pi3-miniuart-bt-DT-overlay.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0164-BCM270X_DT-Add-pi3-miniuart-bt-DT-overlay.patch | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0164-BCM270X_DT-Add-pi3-miniuart-bt-DT-overlay.patch b/target/linux/brcm2708/patches-4.4/0164-BCM270X_DT-Add-pi3-miniuart-bt-DT-overlay.patch deleted file mode 100644 index 6e705b9204..0000000000 --- a/target/linux/brcm2708/patches-4.4/0164-BCM270X_DT-Add-pi3-miniuart-bt-DT-overlay.patch +++ /dev/null @@ -1,117 +0,0 @@ -From 91c1bcac979f9633784bef027c127e95db8ac673 Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.org> -Date: Mon, 7 Mar 2016 09:53:03 +0000 -Subject: [PATCH] BCM270X_DT: Add pi3-miniuart-bt DT overlay - -Switch Pi3 Bluetooth function to use the mini-UART (ttyS0) and restore -UART0/ttyAMA0 over GPIOs 14 & 15. Note that this may reduce the maximum -usable baudrate. - -It is also necessary to edit /lib/systemd/system/hciuart.server and -replace ttyAMA0 with ttyS0. - -If cmdline.txt uses the alias serial0 to refer to the user-accessable port -then the firmware will replace with the appropriate port whether or not -this overlay is used. - -Signed-off-by: Phil Elwell <phil@raspberrypi.org> ---- - arch/arm/boot/dts/overlays/Makefile | 1 + - arch/arm/boot/dts/overlays/README | 10 ++++ - .../boot/dts/overlays/pi3-miniuart-bt-overlay.dts | 61 ++++++++++++++++++++++ - 3 files changed, 72 insertions(+) - create mode 100644 arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts - ---- a/arch/arm/boot/dts/overlays/Makefile -+++ b/arch/arm/boot/dts/overlays/Makefile -@@ -40,6 +40,7 @@ dtb-$(RPI_DT_OVERLAYS) += mcp2515-can1-o - dtb-$(RPI_DT_OVERLAYS) += mmc-overlay.dtb - dtb-$(RPI_DT_OVERLAYS) += mz61581-overlay.dtb - dtb-$(RPI_DT_OVERLAYS) += pi3-disable-bt-overlay.dtb -+dtb-$(RPI_DT_OVERLAYS) += pi3-miniuart-bt-overlay.dtb - dtb-$(RPI_DT_OVERLAYS) += piscreen-overlay.dtb - dtb-$(RPI_DT_OVERLAYS) += piscreen2r-overlay.dtb - dtb-$(RPI_DT_OVERLAYS) += pitft28-capacitive-overlay.dtb ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -504,6 +504,16 @@ Load: dtoverlay=pi3-disable-bt - Params: <None> - - -+Name: pi3-miniuart-bt -+Info: Switch Pi3 Bluetooth function to use the mini-UART (ttyS0) and restore -+ UART0/ttyAMA0 over GPIOs 14 & 15. Note that this may reduce the maximum -+ usable baudrate. -+ N.B. It is also necessary to edit /lib/systemd/system/hciuart.server -+ and replace ttyAMA0 with ttyS0. -+Load: dtoverlay=pi3-miniuart-bt -+Params: <None> -+ -+ - Name: piscreen - Info: PiScreen display by OzzMaker.com - Load: dtoverlay=piscreen,<param>=<val> ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts -@@ -0,0 +1,61 @@ -+/dts-v1/; -+/plugin/; -+ -+/* Switch Pi3 Bluetooth function to use the mini-UART (ttyS0) and restore -+ UART0/ttyAMA0 over GPIOs 14 & 15. Note that this may reduce the maximum -+ usable baudrate. -+ -+ It is also necessary to edit /lib/systemd/system/hciuart.server and -+ replace ttyAMA0 with ttyS0. -+ -+ If cmdline.txt uses the alias serial0 to refer to the user-accessable port -+ then the firmware will replace with the appropriate port whether or not -+ this overlay is used. -+*/ -+ -+/{ -+ compatible = "brcm,bcm2708"; -+ -+ fragment@0 { -+ target = <&uart0>; -+ __overlay__ { -+ pinctrl-names = "default"; -+ pinctrl-0 = <&uart0_pins>; -+ status = "okay"; -+ }; -+ }; -+ -+ fragment@1 { -+ target = <&uart1>; -+ __overlay__ { -+ pinctrl-names = "default"; -+ pinctrl-0 = <&uart1_pins>; -+ status = "okay"; -+ }; -+ }; -+ -+ fragment@2 { -+ target = <&gpio>; -+ __overlay__ { -+ uart0_pins: uart0_pins { -+ brcm,pins = <14 15>; -+ brcm,function = <4>; /* alt0 */ -+ brcm,pull = <0 2>; -+ }; -+ -+ uart1_pins: uart1_pins { -+ brcm,pins = <32 33>; -+ brcm,function = <2>; /* alt5=UART1 */ -+ brcm,pull = <0 0>; -+ }; -+ }; -+ }; -+ -+ fragment@3 { -+ target-path = "/aliases"; -+ __overlay__ { -+ serial0 = "/soc/uart@7e201000"; -+ serial1 = "/soc/uart@7e215040"; -+ }; -+ }; -+}; |