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authorWaldemar Brodkorb <wbx@openadk.org>2015-03-02 03:49:57 +0100
committerWaldemar Brodkorb <wbx@openadk.org>2015-03-02 03:49:57 +0100
commit510e887e8da1d51730b844957872ab1f99aff174 (patch)
tree348e64187ef47b55afc98a9a72c47121730aadb7 /target/arm/bcm28xx/patches/3.18.6/0001-add-support-for-rpi-proto-hardware.patch
parenteeea8d63df65b2e414a7f4c6b289300556eaba05 (diff)
update to latest stable 3.18.x kernel
Diffstat (limited to 'target/arm/bcm28xx/patches/3.18.6/0001-add-support-for-rpi-proto-hardware.patch')
-rw-r--r--target/arm/bcm28xx/patches/3.18.6/0001-add-support-for-rpi-proto-hardware.patch282
1 files changed, 0 insertions, 282 deletions
diff --git a/target/arm/bcm28xx/patches/3.18.6/0001-add-support-for-rpi-proto-hardware.patch b/target/arm/bcm28xx/patches/3.18.6/0001-add-support-for-rpi-proto-hardware.patch
deleted file mode 100644
index d2c72cdd5..000000000
--- a/target/arm/bcm28xx/patches/3.18.6/0001-add-support-for-rpi-proto-hardware.patch
+++ /dev/null
@@ -1,282 +0,0 @@
-diff -Nur linux-rpi/arch/arm/boot/dts/Makefile linux-rpi-rpi-proto/arch/arm/boot/dts/Makefile
---- linux-rpi/arch/arm/boot/dts/Makefile 2015-02-09 04:39:42.000000000 +0100
-+++ linux-rpi-rpi-proto/arch/arm/boot/dts/Makefile 2015-02-09 04:59:22.000000000 +0100
-@@ -71,6 +71,7 @@
- dtb-$(RPI_DT_OVERLAYS) += hifiberry-amp-overlay.dtb
- dtb-$(RPI_DT_OVERLAYS) += iqaudio-dac-overlay.dtb
- dtb-$(RPI_DT_OVERLAYS) += iqaudio-dacplus-overlay.dtb
-+dtb-$(RPI_DT_OVERLAYS) += rpi-proto-overlay.dtb
- dtb-$(RPI_DT_OVERLAYS) += lirc-rpi-overlay.dtb
- dtb-$(RPI_DT_OVERLAYS) += pcf2127-rtc-overlay.dtb
- dtb-$(RPI_DT_OVERLAYS) += pcf8523-rtc-overlay.dtb
-diff -Nur linux-rpi/arch/arm/boot/dts/rpi-proto-overlay.dts linux-rpi-rpi-proto/arch/arm/boot/dts/rpi-proto-overlay.dts
---- linux-rpi/arch/arm/boot/dts/rpi-proto-overlay.dts 1970-01-01 01:00:00.000000000 +0100
-+++ linux-rpi-rpi-proto/arch/arm/boot/dts/rpi-proto-overlay.dts 2015-02-09 04:58:32.000000000 +0100
-@@ -0,0 +1,39 @@
-+// Definitions for Rpi-Proto
-+/dts-v1/;
-+/plugin/;
-+
-+/ {
-+ compatible = "brcm,bcm2708";
-+
-+ fragment@0 {
-+ target = <&sound>;
-+ __overlay__ {
-+ compatible = "rpi,rpi-proto";
-+ i2s-controller = <&i2s>;
-+ status = "okay";
-+ };
-+ };
-+
-+ fragment@1 {
-+ target = <&i2s>;
-+ __overlay__ {
-+ status = "okay";
-+ };
-+ };
-+
-+ fragment@2 {
-+ target = <&i2c1>;
-+ __overlay__ {
-+ #address-cells = <1>;
-+ #size-cells = <0>;
-+ status = "okay";
-+
-+ wm8731@1a {
-+ #sound-dai-cells = <0>;
-+ compatible = "wlf,wm8731";
-+ reg = <0x1a>;
-+ status = "okay";
-+ };
-+ };
-+ };
-+};
-diff -Nur linux-rpi/arch/arm/mach-bcm2708/bcm2708.c linux-rpi-rpi-proto/arch/arm/mach-bcm2708/bcm2708.c
---- linux-rpi/arch/arm/mach-bcm2708/bcm2708.c 2015-02-09 04:39:42.000000000 +0100
-+++ linux-rpi-rpi-proto/arch/arm/mach-bcm2708/bcm2708.c 2015-02-09 04:58:32.000000000 +0100
-@@ -703,6 +703,21 @@
- };
- #endif
-
-+#if defined(CONFIG_SND_BCM2708_SOC_RPI_PROTO) || defined(CONFIG_SND_BCM2708_SOC_RPI_PROTO_MODULE)
-+static struct platform_device snd_rpi_proto_device = {
-+ .name = "snd-rpi-proto",
-+ .id = 0,
-+ .num_resources = 0,
-+};
-+
-+static struct i2c_board_info __initdata snd_wm8731_i2c_devices[] = {
-+ {
-+ I2C_BOARD_INFO("wm8731", 0x1a)
-+ },
-+};
-+
-+#endif
-+
- #if defined(CONFIG_SND_BCM2708_SOC_RPI_DAC) || defined(CONFIG_SND_BCM2708_SOC_RPI_DAC_MODULE)
- static struct platform_device snd_rpi_dac_device = {
- .name = "snd-rpi-dac",
-@@ -922,6 +937,11 @@
- i2c_register_board_info_dt(1, snd_tas5713_i2c_devices, ARRAY_SIZE(snd_tas5713_i2c_devices));
- #endif
-
-+#if defined(CONFIG_SND_BCM2708_SOC_RPI_PROTO) || defined(CONFIG_SND_BCM2708_SOC_RPI_PROTO_MODULE)
-+ bcm_register_device_dt(&snd_rpi_proto_device);
-+ i2c_register_board_info_dt(1, snd_wm8731_i2c_devices, ARRAY_SIZE(snd_wm8731_i2c_devices));
-+#endif
-+
- #if defined(CONFIG_SND_BCM2708_SOC_RPI_DAC) || defined(CONFIG_SND_BCM2708_SOC_RPI_DAC_MODULE)
- bcm_register_device_dt(&snd_rpi_dac_device);
- bcm_register_device_dt(&snd_pcm1794a_codec_device);
-diff -Nur linux-rpi/sound/soc/bcm/Kconfig linux-rpi-rpi-proto/sound/soc/bcm/Kconfig
---- linux-rpi/sound/soc/bcm/Kconfig 2015-02-09 04:40:48.000000000 +0100
-+++ linux-rpi-rpi-proto/sound/soc/bcm/Kconfig 2015-02-09 04:58:32.000000000 +0100
-@@ -54,6 +54,14 @@
- help
- Say Y or M if you want to add support for RPi-DAC.
-
-+config SND_BCM2708_SOC_RPI_PROTO
-+ tristate "Support for Rpi-PROTO"
-+ depends on SND_BCM2708_SOC_I2S
-+ select SND_SOC_WM8731
-+ help
-+ Say Y if you want to add support for Audio Codec Board -
-+ PROTO (WM8731)
-+
- config SND_BCM2708_SOC_IQAUDIO_DAC
- tristate "Support for IQaudIO-DAC"
- depends on SND_BCM2708_SOC_I2S
-diff -Nur linux-rpi/sound/soc/bcm/Makefile linux-rpi-rpi-proto/sound/soc/bcm/Makefile
---- linux-rpi/sound/soc/bcm/Makefile 2015-02-09 04:40:48.000000000 +0100
-+++ linux-rpi-rpi-proto/sound/soc/bcm/Makefile 2015-02-09 04:58:32.000000000 +0100
-@@ -14,6 +14,7 @@
- snd-soc-hifiberry-digi-objs := hifiberry_digi.o
- snd-soc-hifiberry-amp-objs := hifiberry_amp.o
- snd-soc-rpi-dac-objs := rpi-dac.o
-+snd-soc-rpi-proto-objs := rpi-proto.o
- snd-soc-iqaudio-dac-objs := iqaudio-dac.o
-
- obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC) += snd-soc-hifiberry-dac.o
-@@ -21,4 +22,5 @@
- obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI) += snd-soc-hifiberry-digi.o
- obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_AMP) += snd-soc-hifiberry-amp.o
- obj-$(CONFIG_SND_BCM2708_SOC_RPI_DAC) += snd-soc-rpi-dac.o
-+obj-$(CONFIG_SND_BCM2708_SOC_RPI_PROTO) += snd-soc-rpi-proto.o
- obj-$(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC) += snd-soc-iqaudio-dac.o
-diff -Nur linux-rpi/sound/soc/bcm/rpi-proto.c linux-rpi-rpi-proto/sound/soc/bcm/rpi-proto.c
---- linux-rpi/sound/soc/bcm/rpi-proto.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux-rpi-rpi-proto/sound/soc/bcm/rpi-proto.c 2015-02-09 04:58:32.000000000 +0100
-@@ -0,0 +1,152 @@
-+/*
-+ * ASoC driver for PROTO AudioCODEC (with a WM8731)
-+ * connected to a Raspberry Pi
-+ *
-+ * Author: Florian Meier, <koalo@koalo.de>
-+ * Copyright 2013
-+ *
-+ * 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.
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/platform_device.h>
-+
-+#include <sound/core.h>
-+#include <sound/pcm.h>
-+#include <sound/soc.h>
-+#include <sound/jack.h>
-+
-+#include "../codecs/wm8731.h"
-+
-+static const unsigned int wm8731_rates_12288000[] = {
-+ 8000, 32000, 48000, 96000,
-+};
-+
-+static struct snd_pcm_hw_constraint_list wm8731_constraints_12288000 = {
-+ .list = wm8731_rates_12288000,
-+ .count = ARRAY_SIZE(wm8731_rates_12288000),
-+};
-+
-+static int snd_rpi_proto_startup(struct snd_pcm_substream *substream)
-+{
-+ /* Setup constraints, because there is a 12.288 MHz XTAL on the board */
-+ snd_pcm_hw_constraint_list(substream->runtime, 0,
-+ SNDRV_PCM_HW_PARAM_RATE,
-+ &wm8731_constraints_12288000);
-+ return 0;
-+}
-+
-+static int snd_rpi_proto_hw_params(struct snd_pcm_substream *substream,
-+ struct snd_pcm_hw_params *params)
-+{
-+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
-+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
-+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-+ int sysclk = 12288000; /* This is fixed on this board */
-+
-+ /* Set proto bclk */
-+ int ret = snd_soc_dai_set_bclk_ratio(cpu_dai,32*2);
-+ if (ret < 0){
-+ dev_err(substream->pcm->dev,
-+ "Failed to set BCLK ratio %d\n", ret);
-+ return ret;
-+ }
-+
-+ /* Set proto sysclk */
-+ ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL,
-+ sysclk, SND_SOC_CLOCK_IN);
-+ if (ret < 0) {
-+ dev_err(substream->pcm->dev,
-+ "Failed to set WM8731 SYSCLK: %d\n", ret);
-+ return ret;
-+ }
-+
-+ return 0;
-+}
-+
-+/* machine stream operations */
-+static struct snd_soc_ops snd_rpi_proto_ops = {
-+ .startup = snd_rpi_proto_startup,
-+ .hw_params = snd_rpi_proto_hw_params,
-+};
-+
-+static struct snd_soc_dai_link snd_rpi_proto_dai[] = {
-+{
-+ .name = "WM8731",
-+ .stream_name = "WM8731 HiFi",
-+ .cpu_dai_name = "bcm2708-i2s.0",
-+ .codec_dai_name = "wm8731-hifi",
-+ .platform_name = "bcm2708-i2s.0",
-+ .codec_name = "wm8731.1-001a",
-+ .dai_fmt = SND_SOC_DAIFMT_I2S
-+ | SND_SOC_DAIFMT_NB_NF
-+ | SND_SOC_DAIFMT_CBM_CFM,
-+ .ops = &snd_rpi_proto_ops,
-+},
-+};
-+
-+/* audio machine driver */
-+static struct snd_soc_card snd_rpi_proto = {
-+ .name = "snd_rpi_proto",
-+ .dai_link = snd_rpi_proto_dai,
-+ .num_links = ARRAY_SIZE(snd_rpi_proto_dai),
-+};
-+
-+static int snd_rpi_proto_probe(struct platform_device *pdev)
-+{
-+ int ret = 0;
-+
-+ snd_rpi_proto.dev = &pdev->dev;
-+
-+ if (pdev->dev.of_node) {
-+ struct device_node *i2s_node;
-+ struct snd_soc_dai_link *dai = &snd_rpi_proto_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_rpi_proto);
-+ if (ret) {
-+ dev_err(&pdev->dev,
-+ "snd_soc_register_card() failed: %d\n", ret);
-+ }
-+
-+ return ret;
-+}
-+
-+
-+static int snd_rpi_proto_remove(struct platform_device *pdev)
-+{
-+ return snd_soc_unregister_card(&snd_rpi_proto);
-+}
-+
-+static const struct of_device_id snd_rpi_proto_of_match[] = {
-+ { .compatible = "rpi,rpi-proto", },
-+ {},
-+};
-+MODULE_DEVICE_TABLE(of, snd_rpi_proto_of_match);
-+
-+static struct platform_driver snd_rpi_proto_driver = {
-+ .driver = {
-+ .name = "snd-rpi-proto",
-+ .owner = THIS_MODULE,
-+ .of_match_table = snd_rpi_proto_of_match,
-+ },
-+ .probe = snd_rpi_proto_probe,
-+ .remove = snd_rpi_proto_remove,
-+};
-+
-+module_platform_driver(snd_rpi_proto_driver);
-+
-+MODULE_AUTHOR("Florian Meier");
-+MODULE_DESCRIPTION("ASoC Driver for Raspberry Pi connected to PROTO board (WM8731)");
-+MODULE_LICENSE("GPL");