brcm2708: remove linux 4.4 support

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 0 insertions, 285 deletions

diff --git a/target/linux/brcm2708/patches-4.4/0322-ARM-adau1977-adc-Add-basic-machine-driver-for-adau19.patch b/target/linux/brcm2708/patches-4.4/0322-ARM-adau1977-adc-Add-basic-machine-driver-for-adau19.patch
deleted file mode 100644
index d5d8d604a1..0000000000
--- a/target/linux/brcm2708/patches-4.4/0322-ARM-adau1977-adc-Add-basic-machine-driver-for-adau19.patch
+++ /dev/null
@@ -1,285 +0,0 @@
-From 891b971addc0beaa1cc3c0fab7d7ac0f4357ab50 Mon Sep 17 00:00:00 2001
-From: Andrey Grodzovsky <andrey2805@gmail.com>
-Date: Tue, 3 May 2016 22:10:59 -0400
-Subject: [PATCH] ARM: adau1977-adc: Add basic machine driver for adau1977
- codec driver.
-
-This commit adds basic support for the codec usage including: Device tree overlay,
-binding I2S bus and setting I2S mode, clock source and frequency setting according
-to spec.
-
-Signed-off-by: Andrey Grodzovsky <andrey2805@gmail.com>
----
- arch/arm/boot/dts/overlays/Makefile                |   1 +
- arch/arm/boot/dts/overlays/README                  |   7 ++
- .../arm/boot/dts/overlays/adau1977-adc-overlay.dts |  53 +++++++++
- arch/arm/configs/bcm2709_defconfig                 |   1 +
- arch/arm/configs/bcmrpi_defconfig                  |   1 +
- sound/soc/bcm/Kconfig                              |   7 ++
- sound/soc/bcm/Makefile                             |   2 +
- sound/soc/bcm/adau1977-adc.c                       | 125 +++++++++++++++++++++
- 8 files changed, 197 insertions(+)
- create mode 100644 arch/arm/boot/dts/overlays/adau1977-adc-overlay.dts
- create mode 100644 sound/soc/bcm/adau1977-adc.c
-
---- a/arch/arm/boot/dts/overlays/Makefile
-+++ b/arch/arm/boot/dts/overlays/Makefile
-@@ -12,6 +12,7 @@ ifeq ($(CONFIG_ARCH_BCM2835),y)
-    RPI_DT_OVERLAYS=y
- endif
- 
-+dtbo-$(RPI_DT_OVERLAYS) += adau1977-adc.dtbo
- dtbo-$(RPI_DT_OVERLAYS) += ads7846.dtbo
- dtbo-$(RPI_DT_OVERLAYS) += akkordion-iqdacplus.dtbo
- dtbo-$(RPI_DT_OVERLAYS) += at86rf233.dtbo
---- a/arch/arm/boot/dts/overlays/README
-+++ b/arch/arm/boot/dts/overlays/README
-@@ -161,6 +161,13 @@ Params:
-         and the other i2c baudrate parameters.
- 
- 
-+Name:   adau1977-adc
-+Info:   Overlay for activation of ADAU1977 ADC codec over I2C for control
-+        and I2S for data.
-+Load:   dtoverlay=adau1977-adc
-+Params: <None>
-+
-+
- Name:   ads7846
- Info:   ADS7846 Touch controller
- Load:   dtoverlay=ads7846,<param>=<val>
---- /dev/null
-+++ b/arch/arm/boot/dts/overlays/adau1977-adc-overlay.dts
-@@ -0,0 +1,53 @@
-+// Definitions for ADAU1977 ADC
-+/dts-v1/;
-+/plugin/;
-+
-+/ {
-+	compatible = "brcm,bcm2708";
-+    
-+	fragment@0 {
-+		target = <&soc>;
-+		
-+		__overlay__ {
-+			codec_supply: fixedregulator@0 {
-+				compatible = "regulator-fixed";
-+				regulator-name = "AVDD";
-+				regulator-min-microvolt = <3300000>;
-+				regulator-max-microvolt = <3300000>;
-+			};
-+		};
-+	};
-+	
-+	fragment@1 {
-+        	target = <&i2c>;
-+        	
-+		__overlay__ {
-+			#address-cells = <1>;
-+			#size-cells = <0>;
-+			status = "okay";
-+			
-+			adau1977: codec@11 {
-+                        	compatible = "adi,adau1977";
-+                        	reg = <0x11>;
-+                        	reset-gpios = <&gpio 5 0>;
-+                        	AVDD-supply = <&codec_supply>;
-+                	};
-+        	};
-+	};
-+
-+	fragment@2 {
-+		target = <&i2s>;
-+		__overlay__ {
-+			status = "okay";
-+		};
-+	};
-+
-+	fragment@3 {
-+		target = <&sound>;
-+		__overlay__ {
-+			compatible = "adi,adau1977-adc";
-+			i2s-controller = <&i2s>;
-+			status = "okay";
-+		};
-+	};
-+};
---- a/arch/arm/configs/bcm2709_defconfig
-+++ b/arch/arm/configs/bcm2709_defconfig
-@@ -861,6 +861,7 @@ CONFIG_SND_BCM2708_SOC_BOOMBERRY_DAC=m
- CONFIG_SND_BCM2708_SOC_BOOMBERRY_DIGI=m
- CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC=m
- CONFIG_SND_BCM2708_SOC_RASPIDAC3=m
-+CONFIG_SND_BCM2708_SOC_ADAU1977_ADC=m
- CONFIG_SND_SOC_ADAU1701=m
- CONFIG_SND_SOC_WM8804_I2C=m
- CONFIG_SND_SIMPLE_CARD=m
---- a/arch/arm/configs/bcmrpi_defconfig
-+++ b/arch/arm/configs/bcmrpi_defconfig
-@@ -853,6 +853,7 @@ CONFIG_SND_BCM2708_SOC_BOOMBERRY_DAC=m
- CONFIG_SND_BCM2708_SOC_BOOMBERRY_DIGI=m
- CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC=m
- CONFIG_SND_BCM2708_SOC_RASPIDAC3=m
-+CONFIG_SND_BCM2708_SOC_ADAU1977_ADC=m
- CONFIG_SND_SOC_ADAU1701=m
- CONFIG_SND_SOC_WM8804_I2C=m
- CONFIG_SND_SIMPLE_CARD=m
---- a/sound/soc/bcm/Kconfig
-+++ b/sound/soc/bcm/Kconfig
-@@ -78,3 +78,10 @@ config SND_BCM2708_SOC_RASPIDAC3
- 	select SND_SOC_TPA6130A2
- 	help
- 	  Say Y or M if you want to add support for RaspiDAC Rev.3x.
-+
-+config SND_BCM2708_SOC_ADAU1977_ADC
-+	tristate "Support for ADAU1977 ADC"
-+	depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
-+	select SND_SOC_ADAU1977_I2C
-+	help
-+	  Say Y or M if you want to add support for ADAU1977 ADC.
---- a/sound/soc/bcm/Makefile
-+++ b/sound/soc/bcm/Makefile
-@@ -4,6 +4,7 @@ snd-soc-bcm2835-i2s-objs := bcm2835-i2s.
- obj-$(CONFIG_SND_BCM2835_SOC_I2S) += snd-soc-bcm2835-i2s.o
- 
- # BCM2708 Machine Support
-+snd-soc-adau1977-adc-objs := adau1977-adc.o
- snd-soc-hifiberry-dac-objs := hifiberry_dac.o
- snd-soc-hifiberry-dacplus-objs := hifiberry_dacplus.o
- snd-soc-hifiberry-digi-objs := hifiberry_digi.o
-@@ -15,6 +16,7 @@ snd-soc-rpi-proto-objs := rpi-proto.o
- snd-soc-iqaudio-dac-objs := iqaudio-dac.o
- snd-soc-raspidac3-objs := raspidac3.o
- 
-+obj-$(CONFIG_SND_BCM2708_SOC_ADAU1977_ADC) += snd-soc-adau1977-adc.o
- obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC) += snd-soc-hifiberry-dac.o
- obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS) += snd-soc-hifiberry-dacplus.o
- obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI) += snd-soc-hifiberry-digi.o
---- /dev/null
-+++ b/sound/soc/bcm/adau1977-adc.c
-@@ -0,0 +1,125 @@
-+/*
-+ * ASoC Driver for ADAU1977 ADC
-+ *
-+ * Author:	Andrey Grodzovsky <andrey2805@gmail.com>
-+ *		Copyright 2016
-+ *
-+ * This file is based on hifibery_dac driver by Florian Meier.
-+ * 
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * version 2 as published by the Free Software Foundation.
-+ *
-+ * This program is distributed in the hope that it will be useful, but
-+ * WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-+ * General Public License for more details.
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/platform_device.h>
-+
-+#include <sound/core.h>
-+#include <sound/pcm.h>
-+#include <sound/pcm_params.h>
-+#include <sound/soc.h>
-+#include <sound/jack.h>
-+
-+enum adau1977_clk_id {
-+    ADAU1977_SYSCLK,
-+};
-+ 
-+enum adau1977_sysclk_src {
-+    ADAU1977_SYSCLK_SRC_MCLK,
-+    ADAU1977_SYSCLK_SRC_LRCLK,
-+};
-+
-+static int eval_adau1977_init(struct snd_soc_pcm_runtime *rtd)
-+{
-+	int ret;
-+	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-+	
-+	ret = snd_soc_dai_set_tdm_slot(codec_dai, 0, 0, 0, 0);
-+	if (ret < 0)
-+		return ret;
-+
-+	return snd_soc_codec_set_sysclk(rtd->codec, ADAU1977_SYSCLK,
-+			ADAU1977_SYSCLK_SRC_MCLK, 11289600, SND_SOC_CLOCK_IN);
-+}
-+ 
-+static struct snd_soc_dai_link snd_rpi_adau1977_dai[] = {
-+	{
-+	.name = "adau1977",
-+	.stream_name = "ADAU1977", 
-+	.cpu_dai_name = "bcm2708-i2s.0", 
-+	.codec_dai_name = "adau1977-hifi",
-+	.platform_name = "bcm2708-i2s.0",
-+	.codec_name = "adau1977.1-0011",
-+	.init = eval_adau1977_init,
-+	.dai_fmt = SND_SOC_DAIFMT_I2S |
-+		SND_SOC_DAIFMT_NB_NF |
-+		SND_SOC_DAIFMT_CBM_CFM,
-+	},
-+};
-+
-+/* audio machine driver */
-+static struct snd_soc_card snd_adau1977_adc = {
-+	.name         = "snd_rpi_adau1977_adc",
-+	.owner        = THIS_MODULE,
-+	.dai_link     = snd_rpi_adau1977_dai,
-+	.num_links    = ARRAY_SIZE(snd_rpi_adau1977_dai),
-+};
-+
-+static int snd_adau1977_adc_probe(struct platform_device *pdev)
-+{
-+	int ret = 0;
-+
-+	snd_adau1977_adc.dev = &pdev->dev;
-+	if (pdev->dev.of_node) {
-+	    struct device_node *i2s_node;
-+	    struct snd_soc_dai_link *dai = &snd_rpi_adau1977_dai[0];
-+	    i2s_node = of_parse_phandle(pdev->dev.of_node,
-+					"i2s-controller", 0);
-+
-+	    if (i2s_node) {
-+		dai->cpu_dai_name = NULL;
-+		dai->cpu_of_node = i2s_node;
-+		dai->platform_name = NULL;
-+		dai->platform_of_node = i2s_node;
-+	    }
-+	}
-+
-+	ret = snd_soc_register_card(&snd_adau1977_adc);
-+	if (ret)
-+		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret);
-+
-+	return ret;
-+}
-+
-+static int snd_adau1977_adc_remove(struct platform_device *pdev)
-+{
-+	return snd_soc_unregister_card(&snd_adau1977_adc);
-+}
-+
-+static const struct of_device_id snd_adau1977_adc_of_match[] = {
-+	{ .compatible = "adi,adau1977-adc", },
-+	{},
-+};
-+
-+MODULE_DEVICE_TABLE(of, snd_adau1977_adc_of_match);
-+
-+static struct platform_driver snd_adau1977_adc_driver = {
-+        .driver = {
-+                .name   = "snd-adau1977-adc",
-+                .owner  = THIS_MODULE,
-+		.of_match_table = snd_adau1977_adc_of_match,
-+        },
-+        .probe          = snd_adau1977_adc_probe,
-+        .remove         = snd_adau1977_adc_remove,
-+};
-+
-+module_platform_driver(snd_adau1977_adc_driver);
-+
-+MODULE_AUTHOR("Andrey Grodzovsky <andrey2805@gmail.com>");
-+MODULE_DESCRIPTION("ASoC Driver for ADAU1977 ADC");
-+MODULE_LICENSE("GPL v2");