diff options
Diffstat (limited to 'target/arm/bcm28xx/patches/3.18.9/0001-add-support-for-rpi-proto-hardware.patch')
-rw-r--r-- | target/arm/bcm28xx/patches/3.18.9/0001-add-support-for-rpi-proto-hardware.patch | 282 |
1 files changed, 0 insertions, 282 deletions
diff --git a/target/arm/bcm28xx/patches/3.18.9/0001-add-support-for-rpi-proto-hardware.patch b/target/arm/bcm28xx/patches/3.18.9/0001-add-support-for-rpi-proto-hardware.patch deleted file mode 100644 index d2c72cdd5..000000000 --- a/target/arm/bcm28xx/patches/3.18.9/0001-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"); |