diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0619-overlays-audremap-Support-GPIOs-18-19.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0619-overlays-audremap-Support-GPIOs-18-19.patch | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0619-overlays-audremap-Support-GPIOs-18-19.patch b/target/linux/brcm2708/patches-4.19/950-0619-overlays-audremap-Support-GPIOs-18-19.patch deleted file mode 100644 index 667e104b47..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0619-overlays-audremap-Support-GPIOs-18-19.patch +++ /dev/null @@ -1,68 +0,0 @@ -From f42cc245e1f3e586f1a26550e5760489b6c329ab Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.org> -Date: Tue, 23 Jul 2019 12:55:07 +0100 -Subject: [PATCH] overlays: audremap: Support GPIOs 18 & 19 - -PWM audio can also be used on GPIOs 18 and 19, so add the pins_18_19 -parameter to select that location. pins_12_13 explicitly chooses GPIOs -12 and 13, although this is the default behaviour so is there only for -completeness. - -See: https://github.com/raspberrypi/firmware/issues/1178 - -Signed-off-by: Phil Elwell <phil@raspberrypi.org> ---- - arch/arm/boot/dts/overlays/README | 4 +++- - arch/arm/boot/dts/overlays/audremap-overlay.dts | 16 ++++++++++++++++ - 2 files changed, 19 insertions(+), 1 deletion(-) - ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -475,12 +475,14 @@ Params: <None> - - - Name: audremap --Info: Switches PWM sound output to pins 12 (Right) & 13 (Left) -+Info: Switches PWM sound output to GPIOs on the 40-pin header - Load: dtoverlay=audremap,<param>=<val> - Params: swap_lr Reverse the channel allocation, which will also - swap the audio jack outputs (default off) - enable_jack Don't switch off the audio jack output - (default off) -+ pins_12_13 Select GPIOs 12 & 13 (default) -+ pins_18_19 Select GPIOs 18 & 19 - - - Name: balena-fin ---- a/arch/arm/boot/dts/overlays/audremap-overlay.dts -+++ b/arch/arm/boot/dts/overlays/audremap-overlay.dts -@@ -7,13 +7,29 @@ - fragment@0 { - target = <&audio_pins>; - frag0: __overlay__ { -+ }; -+ }; -+ -+ fragment@1 { -+ target = <&audio_pins>; -+ __overlay__ { - brcm,pins = < 12 13 >; - brcm,function = < 4 >; /* alt0 alt0 */ - }; - }; - -+ fragment@2 { -+ target = <&audio_pins>; -+ __dormant__ { -+ brcm,pins = < 18 19 >; -+ brcm,function = < 2 >; /* alt5 alt5 */ -+ }; -+ }; -+ - __overrides__ { - swap_lr = <&frag0>, "swap_lr?"; - enable_jack = <&frag0>, "enable_jack?"; -+ pins_12_13 = <0>,"+1-2"; -+ pins_18_19 = <0>,"-1+2"; - }; - }; |