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51 lines
2.0 KiB
Diff
51 lines
2.0 KiB
Diff
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From ba0b41445ee8a911ed780564788fbd58c34a62fa Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Mon, 21 Nov 2022 14:18:57 +0000
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Subject: [PATCH] overlays: audremap: Include the fsels values
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Add the alt function selectors, and document that pins_40_45 is not
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suitable for BCM2711 because the pins are split across the two PWM
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interfaces.
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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arch/arm/boot/dts/overlays/README | 3 ++-
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arch/arm/boot/dts/overlays/audremap-overlay.dts | 12 ++++++++----
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2 files changed, 10 insertions(+), 5 deletions(-)
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -685,7 +685,8 @@ Params: swap_lr Reverse
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pins_12_13 Select GPIOs 12 & 13 (default)
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pins_18_19 Select GPIOs 18 & 19
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pins_40_41 Select GPIOs 40 & 41
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- pins_40_45 Select GPIOs 40 & 45
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+ pins_40_45 Select GPIOs 40 & 45 (don't use on BCM2711 - the
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+ pins are on different controllers)
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Name: balena-fin
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--- a/arch/arm/boot/dts/overlays/audremap-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/audremap-overlay.dts
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@@ -22,12 +22,16 @@
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swap_lr = <&frag0>, "swap_lr?";
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enable_jack = <&frag0>, "enable_jack?";
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pins_12_13 = <&frag0>,"brcm,pins:0=12",
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- <&frag0>,"brcm,pins:4=13";
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+ <&frag0>,"brcm,pins:4=13",
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+ <&frag0>,"brcm,function:0=4";
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pins_18_19 = <&frag0>,"brcm,pins:0=18",
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- <&frag0>,"brcm,pins:4=19";
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+ <&frag0>,"brcm,pins:4=19",
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+ <&frag0>,"brcm,function:0=2";
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pins_40_41 = <&frag0>,"brcm,pins:0=40",
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- <&frag0>,"brcm,pins:4=41";
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+ <&frag0>,"brcm,pins:4=41",
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+ <&frag0>,"brcm,function:0=4";
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pins_40_45 = <&frag0>,"brcm,pins:0=40",
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- <&frag0>,"brcm,pins:4=45";
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+ <&frag0>,"brcm,pins:4=45",
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+ <&frag0>,"brcm,function:0=4";
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};
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};
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