mirror of https://github.com/hak5/openwrt.git
148 lines
3.9 KiB
Diff
148 lines
3.9 KiB
Diff
From 98f993e9d2b66f3219ac9841ad836ef79a341908 Mon Sep 17 00:00:00 2001
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From: RF William Hollender <whollender@gmail.com>
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Date: Sun, 18 Feb 2018 14:41:43 -0600
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Subject: [PATCH 219/454] Add support for SuperAudioBoard sound card (#2386)
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SuperAudioBoard support using simple-audio-card driver.
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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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.../dts/overlays/superaudioboard-overlay.dts | 73 +++++++++++++++++++
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arch/arm/configs/bcm2709_defconfig | 1 +
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arch/arm/configs/bcmrpi_defconfig | 1 +
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arch/arm64/configs/bcmrpi3_defconfig | 1 +
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6 files changed, 83 insertions(+)
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create mode 100755 arch/arm/boot/dts/overlays/superaudioboard-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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@@ -118,6 +118,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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spi2-1cs.dtbo \
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spi2-2cs.dtbo \
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spi2-3cs.dtbo \
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+ superaudioboard.dtbo \
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tinylcd35.dtbo \
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uart0.dtbo \
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uart1.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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@@ -1658,6 +1658,12 @@ Params: cs0_pin GPIO pin
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is 'okay' or enabled).
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+Name: superaudioboard
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+Info: Configures the SuperAudioBoard sound card
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+Load: dtoverlay=superaudioboard,<param>=<val>
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+Params: gpiopin GPIO pin for codec reset
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+
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+
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Name: tinylcd35
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Info: 3.5" Color TFT Display by www.tinylcd.com
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Options: Touch, RTC, keypad
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/superaudioboard-overlay.dts
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@@ -0,0 +1,73 @@
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+// Definitions for SuperAudioBoard
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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 = <&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 = "SuperAudioBoard";
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+
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+ simple-audio-card,widgets =
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+ "Line", "Line In",
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+ "Line", "Line Out";
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+
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+ simple-audio-card,routing =
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+ "Line Out","AOUTA+",
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+ "Line Out","AOUTA-",
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+ "Line Out","AOUTB+",
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+ "Line Out","AOUTB-",
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+ "AINA","Line In",
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+ "AINB","Line In";
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+
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+ simple-audio-card,format = "i2s";
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+
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+ simple-audio-card,bitclock-master = <&sound_master>;
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+ simple-audio-card,frame-master = <&sound_master>;
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+
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+ simple-audio-card,cpu {
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+ sound-dai = <&i2s>;
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+ dai-tdm-slot-num = <2>;
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+ dai-tdm-slot-width = <32>;
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+ };
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+
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+ sound_master: simple-audio-card,codec {
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+ sound-dai = <&cs4271>;
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+ system-clock-frequency = <24576000>;
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+ };
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+ };
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+ };
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+
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+ fragment@1 {
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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@2 {
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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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+ cs4271: cs4271@10 {
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+ #sound-dai-cells = <0>;
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+ compatible = "cirrus,cs4271";
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+ reg = <0x10>;
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+ status = "okay";
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+ reset-gpio = <&gpio 26 0>; /* Pin 26, active high */
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+ };
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+ };
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+ };
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+ __overrides__ {
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+ gpiopin = <&cs4271>,"reset-gpio:4";
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+ };
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+};
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--- a/arch/arm/configs/bcm2709_defconfig
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+++ b/arch/arm/configs/bcm2709_defconfig
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@@ -895,6 +895,7 @@ CONFIG_SND_PISOUND=m
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CONFIG_SND_SOC_ADAU1701=m
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CONFIG_SND_SOC_ADAU7002=m
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CONFIG_SND_SOC_AK4554=m
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+CONFIG_SND_SOC_CS4271_I2C=m
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CONFIG_SND_SOC_SPDIF=m
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CONFIG_SND_SOC_WM8804_I2C=m
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CONFIG_SND_SIMPLE_CARD=m
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--- a/arch/arm/configs/bcmrpi_defconfig
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+++ b/arch/arm/configs/bcmrpi_defconfig
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@@ -888,6 +888,7 @@ CONFIG_SND_PISOUND=m
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CONFIG_SND_SOC_ADAU1701=m
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CONFIG_SND_SOC_ADAU7002=m
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CONFIG_SND_SOC_AK4554=m
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+CONFIG_SND_SOC_CS4271_I2C=m
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CONFIG_SND_SOC_SPDIF=m
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CONFIG_SND_SOC_WM8804_I2C=m
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CONFIG_SND_SIMPLE_CARD=m
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--- a/arch/arm64/configs/bcmrpi3_defconfig
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+++ b/arch/arm64/configs/bcmrpi3_defconfig
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@@ -870,6 +870,7 @@ CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC=m
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CONFIG_SND_PISOUND=m
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CONFIG_SND_SOC_ADAU1701=m
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CONFIG_SND_SOC_AK4554=m
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+CONFIG_SND_SOC_CS4271_I2C=m
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CONFIG_SND_SOC_WM8804_I2C=m
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CONFIG_SND_SIMPLE_CARD=m
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CONFIG_SOUND_PRIME=m
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