1 From 921c7f42c3ed6cebea4edff86bbe2b6c1b882d53 Mon Sep 17 00:00:00 2001
2 From: Yevhen Kyriukha <kirgene@gmail.com>
3 Date: Sun, 14 Jan 2018 13:36:24 +0200
4 Subject: [PATCH 165/454] Added support for mbed AudioCODEC (TLV320AIC23B)
6 Signed-off-by: Yevhen Kyriukha <kirgene@gmail.com>
8 arch/arm/boot/dts/overlays/Makefile | 1 +
9 arch/arm/boot/dts/overlays/README | 6 ++
10 .../boot/dts/overlays/mbed-dac-overlay.dts | 64 +++++++++++++++++++
11 3 files changed, 71 insertions(+)
12 create mode 100644 arch/arm/boot/dts/overlays/mbed-dac-overlay.dts
14 --- a/arch/arm/boot/dts/overlays/Makefile
15 +++ b/arch/arm/boot/dts/overlays/Makefile
16 @@ -58,6 +58,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
24 --- a/arch/arm/boot/dts/overlays/README
25 +++ b/arch/arm/boot/dts/overlays/README
26 @@ -965,6 +965,12 @@ Params: gpio_out_pin GPIO for
31 +Info: Configures the mbed AudioCODEC (TLV320AIC23B)
32 +Load: dtoverlay=mbed-dac
37 Info: Configures the MCP23017 I2C GPIO expander
38 Load: dtoverlay=mcp23017,<param>=<val>
40 +++ b/arch/arm/boot/dts/overlays/mbed-dac-overlay.dts
42 +// Definitions for mbed DAC
47 + compatible = "brcm,bcm2708";
59 + #address-cells = <1>;
63 + tlv320aic23: codec@1a {
64 + #sound-dai-cells = <0>;
66 + compatible = "ti,tlv320aic23";
75 + compatible = "simple-audio-card";
76 + i2s-controller = <&i2s>;
79 + simple-audio-card,name = "mbed-DAC";
81 + simple-audio-card,widgets =
82 + "Microphone", "Mic Jack",
84 + "Headphone", "Headphone Jack";
86 + simple-audio-card,routing =
87 + "Headphone Jack", "LHPOUT",
88 + "Headphone Jack", "RHPOUT",
89 + "LLINEIN", "Line In",
90 + "RLINEIN", "Line In",
91 + "MICIN", "Mic Jack";
93 + simple-audio-card,format = "i2s";
95 + simple-audio-card,cpu {
99 + sound_master: simple-audio-card,codec {
100 + sound-dai = <&tlv320aic23>;
101 + system-clock-frequency = <12288000>;