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https://git.openwrt.org/openwrt/openwrt.git
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8299d1f057
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted patches, wireless patches and defconfig patches. bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 4B v1.1 4G bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
87 lines
2.3 KiB
Diff
87 lines
2.3 KiB
Diff
From e56470876bda3751a1926aa5876495e3678e363f Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Fri, 16 Apr 2021 09:31:17 +0100
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Subject: [PATCH] overlays: ghost-amp: Add DAC mute control
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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 | 28 +++++++++++--------
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1 file changed, 17 insertions(+), 11 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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@@ -4,10 +4,11 @@
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#include <dt-bindings/gpio/gpio-fsm.h>
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-#define ENABLE GF_SW(0)
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-#define FAULT GF_IP(0) // GPIO5
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-#define RELAY1 GF_OP(0) // GPIO22
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-#define RELAY2 GF_OP(1) // GPIO23
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+#define ENABLE GF_SW(0)
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+#define FAULT GF_IP(0) // GPIO5
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+#define RELAY1 GF_OP(0) // GPIO22
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+#define RELAY2 GF_OP(1) // GPIO23
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+#define RELAYSSR GF_OP(2) // GPIO24
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/ {
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compatible = "brcm,bcm2835";
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@@ -64,14 +65,16 @@
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gpio-line-names = "enable";
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input-gpios = <&gpio 5 1>; // FAULT (active low)
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output-gpios = <&gpio 22 0>, // RELAY1
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- <&gpio 23 0>; // RELAY2
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+ <&gpio 23 0>, // RELAY2
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+ <&gpio 24 0>; // RELAYSSR
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shutdown-timeout-ms = <1000>;
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amp_off {
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start_state;
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shutdown_state;
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- set = <RELAY2 0>,
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+ set = <RELAYSSR 0>,
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+ <RELAY2 0>,
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<RELAY1 0>;
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amp_on_1 = <ENABLE 1>;
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fault = <FAULT 1>;
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@@ -85,12 +88,14 @@
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};
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amp_on {
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- set = <RELAY2 1>;
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+ set = <RELAY2 1>,
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+ <RELAYSSR 1>;
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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_on_wait {
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+ set = <RELAYSSR 0>;
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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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@@ -107,7 +112,8 @@
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// Keep this a distinct state to prevent
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// changes and for the diagnostic output
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fault {
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- set = <RELAY2 0>,
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+ set = <RELAYSSR 0>,
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+ <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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@@ -120,9 +126,9 @@
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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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+ brcm,pins = <5 22 23 24>;
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+ brcm,function = <0 1 1 1>; /* in out out out */
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+ brcm,pull = <2 0 0 0>; /* up none none none */
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};
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};
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};
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