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