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openwrt/target/linux/brcm2708/patches-4.1/0050-Adding-Device-Tree-support-for-some-RPi-audio-cards.patch
John Crispin 208ab54e3e brcm2708: add linux 4.1 support 
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

SVN-Revision: 46399
2015-07-17 12:48:39 +00:00

354 lines
11 KiB
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From 8b4aab9c9a47544e493ba3479ad0e6397e4ea27a Mon Sep 17 00:00:00 2001
From: popcornmix <popcornmix@gmail.com>
Date: Mon, 13 Apr 2015 18:45:39 +0100
Subject: [PATCH 050/121] Adding Device Tree support for some RPi audio cards
---
arch/arm/mach-bcm2709/bcm2709.c | 143 ++++++++++++++++++++++++++++++++++++++
sound/soc/bcm/hifiberry_dac.c | 22 ++++++
sound/soc/bcm/hifiberry_dacplus.c | 22 ++++++
sound/soc/bcm/hifiberry_digi.c | 22 ++++++
sound/soc/bcm/iqaudio-dac.c | 16 +++++
sound/soc/codecs/pcm5102a.c | 7 ++
6 files changed, 232 insertions(+)
--- a/arch/arm/mach-bcm2709/bcm2709.c
+++ b/arch/arm/mach-bcm2709/bcm2709.c
@@ -636,6 +636,115 @@ static struct platform_device bcm2835_th
.name = "bcm2835_thermal",
};
+#if defined(CONFIG_SND_BCM2708_SOC_I2S) || defined(CONFIG_SND_BCM2708_SOC_I2S_MODULE)
+static struct resource bcm2708_i2s_resources[] = {
+ {
+ .start = I2S_BASE,
+ .end = I2S_BASE + 0x20,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = PCM_CLOCK_BASE,
+ .end = PCM_CLOCK_BASE + 0x02,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device bcm2708_i2s_device = {
+ .name = "bcm2708-i2s",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(bcm2708_i2s_resources),
+ .resource = bcm2708_i2s_resources,
+};
+#endif
+
+#if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC_MODULE)
+static struct platform_device snd_hifiberry_dac_device = {
+ .name = "snd-hifiberry-dac",
+ .id = 0,
+ .num_resources = 0,
+};
+
+static struct platform_device snd_pcm5102a_codec_device = {
+ .name = "pcm5102a-codec",
+ .id = -1,
+ .num_resources = 0,
+};
+#endif
+
+#if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS_MODULE)
+static struct platform_device snd_rpi_hifiberry_dacplus_device = {
+ .name = "snd-rpi-hifiberry-dacplus",
+ .id = 0,
+ .num_resources = 0,
+};
+
+static struct i2c_board_info __initdata snd_pcm512x_hbdacplus_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("pcm5122", 0x4d)
+ },
+};
+#endif
+
+#if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI_MODULE)
+static struct platform_device snd_hifiberry_digi_device = {
+ .name = "snd-hifiberry-digi",
+ .id = 0,
+ .num_resources = 0,
+};
+
+static struct i2c_board_info __initdata snd_wm8804_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("wm8804", 0x3b)
+ },
+};
+
+#endif
+
+#if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_AMP) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_AMP_MODULE)
+static struct platform_device snd_hifiberry_amp_device = {
+ .name = "snd-hifiberry-amp",
+ .id = 0,
+ .num_resources = 0,
+};
+
+static struct i2c_board_info __initdata snd_tas5713_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("tas5713", 0x1b)
+ },
+};
+#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",
+ .id = 0,
+ .num_resources = 0,
+};
+
+static struct platform_device snd_pcm1794a_codec_device = {
+ .name = "pcm1794a-codec",
+ .id = -1,
+ .num_resources = 0,
+};
+#endif
+
+
+#if defined(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC) || defined(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC_MODULE)
+static struct platform_device snd_rpi_iqaudio_dac_device = {
+ .name = "snd-rpi-iqaudio-dac",
+ .id = 0,
+ .num_resources = 0,
+};
+
+// Use the actual device name rather than generic driver name
+static struct i2c_board_info __initdata snd_pcm512x_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("pcm5122", 0x4c)
+ },
+};
+#endif
+
int __init bcm_register_device(struct platform_device *pdev)
{
int ret;
@@ -800,6 +909,40 @@ void __init bcm2709_init(void)
bcm_register_device_dt(&bcm2835_thermal_device);
+#if defined(CONFIG_SND_BCM2708_SOC_I2S) || defined(CONFIG_SND_BCM2708_SOC_I2S_MODULE)
+ bcm_register_device_dt(&bcm2708_i2s_device);
+#endif
+
+#if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC_MODULE)
+ bcm_register_device_dt(&snd_hifiberry_dac_device);
+ bcm_register_device_dt(&snd_pcm5102a_codec_device);
+#endif
+
+#if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS_MODULE)
+ bcm_register_device_dt(&snd_rpi_hifiberry_dacplus_device);
+ i2c_register_board_info_dt(1, snd_pcm512x_hbdacplus_i2c_devices, ARRAY_SIZE(snd_pcm512x_hbdacplus_i2c_devices));
+#endif
+
+#if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI_MODULE)
+ bcm_register_device_dt(&snd_hifiberry_digi_device);
+ i2c_register_board_info_dt(1, snd_wm8804_i2c_devices, ARRAY_SIZE(snd_wm8804_i2c_devices));
+#endif
+
+#if defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_AMP) || defined(CONFIG_SND_BCM2708_SOC_HIFIBERRY_AMP_MODULE)
+ bcm_register_device_dt(&snd_hifiberry_amp_device);
+ i2c_register_board_info_dt(1, snd_tas5713_i2c_devices, ARRAY_SIZE(snd_tas5713_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);
+#endif
+
+#if defined(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC) || defined(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC_MODULE)
+ bcm_register_device_dt(&snd_rpi_iqaudio_dac_device);
+ i2c_register_board_info_dt(1, snd_pcm512x_i2c_devices, ARRAY_SIZE(snd_pcm512x_i2c_devices));
+#endif
+
if (!use_dt) {
for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
struct amba_device *d = amba_devs[i];
--- a/sound/soc/bcm/hifiberry_dac.c
+++ b/sound/soc/bcm/hifiberry_dac.c
@@ -72,6 +72,21 @@ static int snd_rpi_hifiberry_dac_probe(s
int ret = 0;
snd_rpi_hifiberry_dac.dev = &pdev->dev;
+
+ if (pdev->dev.of_node) {
+ struct device_node *i2s_node;
+ struct snd_soc_dai_link *dai = &snd_rpi_hifiberry_dac_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_hifiberry_dac);
if (ret)
dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret);
@@ -84,10 +99,17 @@ static int snd_rpi_hifiberry_dac_remove(
return snd_soc_unregister_card(&snd_rpi_hifiberry_dac);
}
+static const struct of_device_id snd_rpi_hifiberry_dac_of_match[] = {
+ { .compatible = "hifiberry,hifiberry-dac", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, snd_rpi_hifiberry_dac_of_match);
+
static struct platform_driver snd_rpi_hifiberry_dac_driver = {
.driver = {
.name = "snd-hifiberry-dac",
.owner = THIS_MODULE,
+ .of_match_table = snd_rpi_hifiberry_dac_of_match,
},
.probe = snd_rpi_hifiberry_dac_probe,
.remove = snd_rpi_hifiberry_dac_remove,
--- a/sound/soc/bcm/hifiberry_dacplus.c
+++ b/sound/soc/bcm/hifiberry_dacplus.c
@@ -90,6 +90,21 @@ static int snd_rpi_hifiberry_dacplus_pro
int ret = 0;
snd_rpi_hifiberry_dacplus.dev = &pdev->dev;
+
+ if (pdev->dev.of_node) {
+ struct device_node *i2s_node;
+ struct snd_soc_dai_link *dai = &snd_rpi_hifiberry_dacplus_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_hifiberry_dacplus);
if (ret)
dev_err(&pdev->dev,
@@ -103,10 +118,17 @@ static int snd_rpi_hifiberry_dacplus_rem
return snd_soc_unregister_card(&snd_rpi_hifiberry_dacplus);
}
+static const struct of_device_id snd_rpi_hifiberry_dacplus_of_match[] = {
+ { .compatible = "hifiberry,hifiberry-dacplus", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, snd_rpi_hifiberry_dacplus_of_match);
+
static struct platform_driver snd_rpi_hifiberry_dacplus_driver = {
.driver = {
.name = "snd-rpi-hifiberry-dacplus",
.owner = THIS_MODULE,
+ .of_match_table = snd_rpi_hifiberry_dacplus_of_match,
},
.probe = snd_rpi_hifiberry_dacplus_probe,
.remove = snd_rpi_hifiberry_dacplus_remove,
--- a/sound/soc/bcm/hifiberry_digi.c
+++ b/sound/soc/bcm/hifiberry_digi.c
@@ -173,6 +173,21 @@ static int snd_rpi_hifiberry_digi_probe(
int ret = 0;
snd_rpi_hifiberry_digi.dev = &pdev->dev;
+
+ if (pdev->dev.of_node) {
+ struct device_node *i2s_node;
+ struct snd_soc_dai_link *dai = &snd_rpi_hifiberry_digi_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_hifiberry_digi);
if (ret)
dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret);
@@ -185,10 +200,17 @@ static int snd_rpi_hifiberry_digi_remove
return snd_soc_unregister_card(&snd_rpi_hifiberry_digi);
}
+static const struct of_device_id snd_rpi_hifiberry_digi_of_match[] = {
+ { .compatible = "hifiberry,hifiberry-digi", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, snd_rpi_hifiberry_digi_of_match);
+
static struct platform_driver snd_rpi_hifiberry_digi_driver = {
.driver = {
.name = "snd-hifiberry-digi",
.owner = THIS_MODULE,
+ .of_match_table = snd_rpi_hifiberry_digi_of_match,
},
.probe = snd_rpi_hifiberry_digi_probe,
.remove = snd_rpi_hifiberry_digi_remove,
--- a/sound/soc/bcm/iqaudio-dac.c
+++ b/sound/soc/bcm/iqaudio-dac.c
@@ -82,6 +82,21 @@ static int snd_rpi_iqaudio_dac_probe(str
int ret = 0;
snd_rpi_iqaudio_dac.dev = &pdev->dev;
+
+ if (pdev->dev.of_node) {
+ struct device_node *i2s_node;
+ struct snd_soc_dai_link *dai = &snd_rpi_iqaudio_dac_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_iqaudio_dac);
if (ret)
dev_err(&pdev->dev,
@@ -99,6 +114,7 @@ static const struct of_device_id iqaudio
{ .compatible = "iqaudio,iqaudio-dac", },
{},
};
+MODULE_DEVICE_TABLE(of, iqaudio_of_match);
static struct platform_driver snd_rpi_iqaudio_dac_driver = {
.driver = {
--- a/sound/soc/codecs/pcm5102a.c
+++ b/sound/soc/codecs/pcm5102a.c
@@ -47,12 +47,19 @@ static int pcm5102a_remove(struct platfo
return 0;
}
+static const struct of_device_id pcm5102a_of_match[] = {
+ { .compatible = "ti,pcm5102a", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, pcm5102a_of_match);
+
static struct platform_driver pcm5102a_codec_driver = {
.probe = pcm5102a_probe,
.remove = pcm5102a_remove,
.driver = {
.name = "pcm5102a-codec",
.owner = THIS_MODULE,
+ .of_match_table = pcm5102a_of_match,
},
};
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