From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/arch/arm/boot/dts/da850-lcdk.dts | 49 +++++++++++++++++++++++++++++++++++++++++++++----
1 files changed, 45 insertions(+), 4 deletions(-)
diff --git a/kernel/arch/arm/boot/dts/da850-lcdk.dts b/kernel/arch/arm/boot/dts/da850-lcdk.dts
index 3a2fa6e..e379d6e 100644
--- a/kernel/arch/arm/boot/dts/da850-lcdk.dts
+++ b/kernel/arch/arm/boot/dts/da850-lcdk.dts
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2016 BayLibre, Inc.
- *
- * Licensed under GPLv2.
*/
/dts-v1/;
#include "da850.dtsi"
@@ -74,12 +73,16 @@
simple-audio-card,name = "DA850-OMAPL138 LCDK";
simple-audio-card,widgets =
"Line", "Line In",
- "Line", "Line Out";
+ "Line", "Line Out",
+ "Microphone", "Mic Jack";
simple-audio-card,routing =
"LINE1L", "Line In",
"LINE1R", "Line In",
"Line Out", "LLOUT",
- "Line Out", "RLOUT";
+ "Line Out", "RLOUT",
+ "MIC3L", "Mic Jack",
+ "MIC3R", "Mic Jack",
+ "Mic Jack", "Mic Bias";
simple-audio-card,format = "dsp_b";
simple-audio-card,bitclock-master = <&link0_codec>;
simple-audio-card,frame-master = <&link0_codec>;
@@ -151,10 +154,46 @@
};
};
};
+
+ cvdd: regulator0 {
+ compatible = "regulator-fixed";
+ regulator-name = "cvdd";
+ regulator-min-microvolt = <1300000>;
+ regulator-max-microvolt = <1300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
};
&ref_clk {
clock-frequency = <24000000>;
+};
+
+&cpu {
+ cpu-supply = <&cvdd>;
+};
+
+/*
+ * LCDK has a fixed CVDD of 1.3V, so only operating points >= 300MHz are
+ * valid. Unfortunately due to a problem with the DA8XX OHCI controller, we
+ * can't enable more than one OPP by default, since the controller sometimes
+ * becomes unresponsive after a transition. Fix the frequency at 456 MHz.
+ */
+
+&opp_100 {
+ status = "disabled";
+};
+
+&opp_200 {
+ status = "disabled";
+};
+
+&opp_300 {
+ status = "disabled";
+};
+
+&opp_456 {
+ status = "okay";
};
&pmx_core {
@@ -250,6 +289,8 @@
#sound-dai-cells = <0>;
compatible = "ti,tlv320aic3106";
reg = <0x18>;
+ adc-settle-ms = <40>;
+ ai3x-micbias-vg = <1>; /* 2.0V */
status = "okay";
/* Regulators */
--
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