72 lines
1.7 KiB
Diff
72 lines
1.7 KiB
Diff
From e88444a73ef7bc16869e60ad1e392129a07a9f2c Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Wed, 3 Mar 2021 10:31:13 +0000
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Subject: [PATCH] overlays: ghost-amp: Minor tweaks
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1. Reduce the delay between RELAY1 and RELAY2 to 1000ms.
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2. Rename the states to simplify LED control by an external script.
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3. Claim all the required GPIOs, enabling pull-ups on the input.
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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.../boot/dts/overlays/ghost-amp-overlay.dts | 20 ++++++++++++++++---
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1 file changed, 17 insertions(+), 3 deletions(-)
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--- a/arch/arm/boot/dts/overlays/ghost-amp-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/ghost-amp-overlay.dts
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@@ -54,6 +54,8 @@
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__overlay__ {
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amp: ghost-amp {
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compatible = "rpi,gpio-fsm";
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&ghost_amp_pins>;
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debug = <0>;
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gpio-controller;
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@@ -77,18 +79,18 @@
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amp_on_1 {
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set = <RELAY1 1>;
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- amp_on = <GF_DELAY 1500>;
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+ amp_on = <GF_DELAY 1000>;
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amp_off = <ENABLE 0>;
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fault = <FAULT 1>;
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};
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amp_on {
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set = <RELAY2 1>;
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- amp_off_wait = <ENABLE 0>;
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+ amp_on_wait = <ENABLE 0>;
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fault = <FAULT 1>;
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};
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- amp_off_wait {
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+ amp_on_wait {
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amp_off_1 = <GF_DELAY (30*60*1000)>,
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<GF_SHUTDOWN 0>;
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amp_on = <ENABLE 1>;
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@@ -107,11 +109,23 @@
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fault {
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set = <RELAY2 0>,
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<RELAY1 0>;
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+ amp_off = <FAULT 0>;
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shutdown_state;
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};
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};
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};
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};
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+
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+ fragment@4 {
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+ target = <&gpio>;
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+ __overlay__ {
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+ ghost_amp_pins: ghost_amp_pins {
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+ brcm,pins = <5 22 23>;
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+ brcm,function = <0 1 1>; /* in out out */
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+ brcm,pull = <2 0 0>; /* up none none */
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+ };
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+ };
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+ };
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__overrides__ {
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fsm_debug = <&>,"debug:0";
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