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overlays: audremap: Include the fsels values

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Add the alt function selectors, and document that pins_40_45 is not
suitable for BCM2711 because the pins are split across the two PWM
interfaces.

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
This commit is contained in:
Phil Elwell
2022-11-21 14:18:57 +00:00
committed by Dom Cobley
parent d200f7b7bb
commit 22ededd71c
2 changed files with 10 additions and 5 deletions
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3
arch/arm/boot/dts/overlays/README
View File

@@ -685,7 +685,8 @@ Params: swap_lr Reverse the channel allocation, which will also
pins_12_13 Select GPIOs 12 & 13 (default) pins_12_13 Select GPIOs 12 & 13 (default)
pins_18_19 Select GPIOs 18 & 19 pins_18_19 Select GPIOs 18 & 19
pins_40_41 Select GPIOs 40 & 41 pins_40_41 Select GPIOs 40 & 41
pins_40_45 Select GPIOs 40 & 45 pins_40_45 Select GPIOs 40 & 45 (don't use on BCM2711 - the
pins are on different controllers)
Name: balena-fin Name: balena-fin

12
arch/arm/boot/dts/overlays/audremap-overlay.dts
View File

@@ -22,12 +22,16 @@
swap_lr = <&frag0>, "swap_lr?"; swap_lr = <&frag0>, "swap_lr?";
enable_jack = <&frag0>, "enable_jack?"; enable_jack = <&frag0>, "enable_jack?";
pins_12_13 = <&frag0>,"brcm,pins:0=12", pins_12_13 = <&frag0>,"brcm,pins:0=12",
<&frag0>,"brcm,pins:4=13"; <&frag0>,"brcm,pins:4=13",
<&frag0>,"brcm,function:0=4";
pins_18_19 = <&frag0>,"brcm,pins:0=18", pins_18_19 = <&frag0>,"brcm,pins:0=18",
<&frag0>,"brcm,pins:4=19"; <&frag0>,"brcm,pins:4=19",
<&frag0>,"brcm,function:0=2";
pins_40_41 = <&frag0>,"brcm,pins:0=40", pins_40_41 = <&frag0>,"brcm,pins:0=40",
<&frag0>,"brcm,pins:4=41"; <&frag0>,"brcm,pins:4=41",
<&frag0>,"brcm,function:0=4";
pins_40_45 = <&frag0>,"brcm,pins:0=40", pins_40_45 = <&frag0>,"brcm,pins:0=40",
<&frag0>,"brcm,pins:4=45"; <&frag0>,"brcm,pins:4=45",
<&frag0>,"brcm,function:0=4";
}; };
}; };