Initial commit

2025-06-24 16:03:39 +02:00
commit f3256cdaf2
6949 changed files with 1441681 additions and 0 deletions
--- a/target/linux/brcm2708/patches-4.14/950-0165-Added-support-for-mbed-AudioCODEC-TLV320AIC23B.patch
+++ b/target/linux/brcm2708/patches-4.14/950-0165-Added-support-for-mbed-AudioCODEC-TLV320AIC23B.patch
@@ -0,0 +1,105 @@
+From 921c7f42c3ed6cebea4edff86bbe2b6c1b882d53 Mon Sep 17 00:00:00 2001
+From: Yevhen Kyriukha <kirgene@gmail.com>
+Date: Sun, 14 Jan 2018 13:36:24 +0200
+Subject: [PATCH 165/454] Added support for mbed AudioCODEC (TLV320AIC23B)
+
+Signed-off-by: Yevhen Kyriukha <kirgene@gmail.com>
+---
+ arch/arm/boot/dts/overlays/Makefile           |  1 +
+ arch/arm/boot/dts/overlays/README             |  6 ++
+ .../boot/dts/overlays/mbed-dac-overlay.dts    | 64 +++++++++++++++++++
+ 3 files changed, 71 insertions(+)
+ create mode 100644 arch/arm/boot/dts/overlays/mbed-dac-overlay.dts
+
+--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -58,6 +58,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+ 	justboom-dac.dtbo \
+ 	justboom-digi.dtbo \
+ 	lirc-rpi.dtbo \
+	mbed-dac.dtbo \
+ 	mcp23017.dtbo \
+ 	mcp23s17.dtbo \
+ 	mcp2515-can0.dtbo \
+--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
+@@ -965,6 +965,12 @@ Params: gpio_out_pin            GPIO for
+                                 (default "off")
+ 
+ 
+Name:   mbed-dac
+Info:   Configures the mbed AudioCODEC (TLV320AIC23B)
+Load:   dtoverlay=mbed-dac
+Params: <None>
+
+
+ Name:   mcp23017
+ Info:   Configures the MCP23017 I2C GPIO expander
+ Load:   dtoverlay=mcp23017,<param>=<val>
+--- /dev/null
+++ b/arch/arm/boot/dts/overlays/mbed-dac-overlay.dts
+@@ -0,0 +1,64 @@
+// Definitions for mbed DAC
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "brcm,bcm2708";
+
+	fragment@0 {
+		target = <&i2s>;
+		__overlay__ {
+			status = "okay";
+		};
+	};
+
+	fragment@1 {
+		target = <&i2c1>;
+		__overlay__ {
+			#address-cells = <1>;
+                        #size-cells = <0>;
+			status = "okay";
+
+			tlv320aic23: codec@1a {
+				#sound-dai-cells = <0>;
+				reg = <0x1a>;
+				compatible = "ti,tlv320aic23";
+				status = "okay";
+			};
+		};
+	};
+
+	fragment@2 {
+		target = <&sound>;
+		__overlay__ {
+			compatible = "simple-audio-card";
+			i2s-controller = <&i2s>;
+			status = "okay";
+
+			simple-audio-card,name = "mbed-DAC";
+
+			simple-audio-card,widgets =
+				"Microphone", "Mic Jack",
+				"Line", "Line In",
+				"Headphone", "Headphone Jack";
+
+			simple-audio-card,routing =
+				"Headphone Jack", "LHPOUT",
+				"Headphone Jack", "RHPOUT",
+				"LLINEIN", "Line In",
+				"RLINEIN", "Line In",
+				"MICIN", "Mic Jack";
+
+			simple-audio-card,format = "i2s";
+
+			simple-audio-card,cpu {
+				sound-dai = <&i2s>;
+			};
+
+			sound_master: simple-audio-card,codec {
+				sound-dai = <&tlv320aic23>;
+				system-clock-frequency = <12288000>;
+			};
+		};
+	};
+};