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From 98f993e9d2b66f3219ac9841ad836ef79a341908 Mon Sep 17 00:00:00 2001
From: RF William Hollender <whollender@gmail.com>
Date: Sun, 18 Feb 2018 14:41:43 -0600
Subject: [PATCH 219/454] Add support for SuperAudioBoard sound card (#2386)
SuperAudioBoard support using simple-audio-card driver.
---
arch/arm/boot/dts/overlays/Makefile | 1 +
arch/arm/boot/dts/overlays/README | 6 ++
.../dts/overlays/superaudioboard-overlay.dts | 73 +++++++++++++++++++
arch/arm/configs/bcm2709_defconfig | 1 +
arch/arm/configs/bcmrpi_defconfig | 1 +
arch/arm64/configs/bcmrpi3_defconfig | 1 +
6 files changed, 83 insertions(+)
create mode 100755 arch/arm/boot/dts/overlays/superaudioboard-overlay.dts
--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
@@ -118,6 +118,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
spi2-1cs.dtbo \
spi2-2cs.dtbo \
spi2-3cs.dtbo \
+ superaudioboard.dtbo \
tinylcd35.dtbo \
uart0.dtbo \
uart1.dtbo \
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -1658,6 +1658,12 @@ Params: cs0_pin GPIO pin
is 'okay' or enabled).
+Name: superaudioboard
+Info: Configures the SuperAudioBoard sound card
+Load: dtoverlay=superaudioboard,<param>=<val>
+Params: gpiopin GPIO pin for codec reset
+
+
Name: tinylcd35
Info: 3.5" Color TFT Display by www.tinylcd.com
Options: Touch, RTC, keypad
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/superaudioboard-overlay.dts
@@ -0,0 +1,73 @@
+// Definitions for SuperAudioBoard
+/dts-v1/;
+/plugin/;
+
+/ {
+ compatible = "brcm,bcm2708";
+
+ fragment@0 {
+ target = <&sound>;
+ __overlay__ {
+ compatible = "simple-audio-card";
+ i2s-controller = <&i2s>;
+ status = "okay";
+
+ simple-audio-card,name = "SuperAudioBoard";
+
+ simple-audio-card,widgets =
+ "Line", "Line In",
+ "Line", "Line Out";
+
+ simple-audio-card,routing =
+ "Line Out","AOUTA+",
+ "Line Out","AOUTA-",
+ "Line Out","AOUTB+",
+ "Line Out","AOUTB-",
+ "AINA","Line In",
+ "AINB","Line In";
+
+ simple-audio-card,format = "i2s";
+
+ simple-audio-card,bitclock-master = <&sound_master>;
+ simple-audio-card,frame-master = <&sound_master>;
+
+ simple-audio-card,cpu {
+ sound-dai = <&i2s>;
+ dai-tdm-slot-num = <2>;
+ dai-tdm-slot-width = <32>;
+ };
+
+ sound_master: simple-audio-card,codec {
+ sound-dai = <&cs4271>;
+ system-clock-frequency = <24576000>;
+ };
+ };
+ };
+
+ fragment@1 {
+ target = <&i2s>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+
+ fragment@2 {
+ target = <&i2c1>;
+ __overlay__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ cs4271: cs4271@10 {
+ #sound-dai-cells = <0>;
+ compatible = "cirrus,cs4271";
+ reg = <0x10>;
+ status = "okay";
+ reset-gpio = <&gpio 26 0>; /* Pin 26, active high */
+ };
+ };
+ };
+ __overrides__ {
+ gpiopin = <&cs4271>,"reset-gpio:4";
+ };
+};
--- a/arch/arm/configs/bcm2709_defconfig
+++ b/arch/arm/configs/bcm2709_defconfig
@@ -895,6 +895,7 @@ CONFIG_SND_PISOUND=m
CONFIG_SND_SOC_ADAU1701=m
CONFIG_SND_SOC_ADAU7002=m
CONFIG_SND_SOC_AK4554=m
+CONFIG_SND_SOC_CS4271_I2C=m
CONFIG_SND_SOC_SPDIF=m
CONFIG_SND_SOC_WM8804_I2C=m
CONFIG_SND_SIMPLE_CARD=m
--- a/arch/arm/configs/bcmrpi_defconfig
+++ b/arch/arm/configs/bcmrpi_defconfig
@@ -888,6 +888,7 @@ CONFIG_SND_PISOUND=m
CONFIG_SND_SOC_ADAU1701=m
CONFIG_SND_SOC_ADAU7002=m
CONFIG_SND_SOC_AK4554=m
+CONFIG_SND_SOC_CS4271_I2C=m
CONFIG_SND_SOC_SPDIF=m
CONFIG_SND_SOC_WM8804_I2C=m
CONFIG_SND_SIMPLE_CARD=m
--- a/arch/arm64/configs/bcmrpi3_defconfig
+++ b/arch/arm64/configs/bcmrpi3_defconfig
@@ -870,6 +870,7 @@ CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC=m
CONFIG_SND_PISOUND=m
CONFIG_SND_SOC_ADAU1701=m
CONFIG_SND_SOC_AK4554=m
+CONFIG_SND_SOC_CS4271_I2C=m
CONFIG_SND_SOC_WM8804_I2C=m
CONFIG_SND_SIMPLE_CARD=m
CONFIG_SOUND_PRIME=m
|
