rework audio driver loading on rpi

seems that i2s driver does not behave correctly when builtin.
Add back driver modules for audio boards on rpi.

9 files changed, 70 insertions, 47 deletions

diff --git a/target/arm/kernel/raspberry-pi b/target/arm/kernel/raspberry-pi
index 146fd3655..a748b42e8 100644
--- a/target/arm/kernel/raspberry-pi
+++ b/target/arm/kernel/raspberry-pi
@@ -3,12 +3,12 @@ CONFIG_FIQ=y
 CONFIG_ARM_PATCH_PHYS_VIRT=y
 CONFIG_KUSER_HELPERS=y
 CONFIG_ARCH_MULTI_V6=y
+CONFIG_VFP=y
 CONFIG_ARCH_BCM2708=y
+CONFIG_ARCH_BCM2835=y
 CONFIG_MACH_BCM2708=y
-CONFIG_BCM2708_GPIO=y
 CONFIG_BCM2708_VCMEM=y
 CONFIG_BCM2708_DMAER=y
-CONFIG_VFP=y
 CONFIG_BCM2708_VCHIQ=y
 CONFIG_SERIAL_AMBA_PL011=y
 CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
diff --git a/target/linux/config/Config.in.audio b/target/linux/config/Config.in.audio
index 594274c40..7ff42afe9 100644
--- a/target/linux/config/Config.in.audio
+++ b/target/linux/config/Config.in.audio
@@ -74,15 +74,25 @@ config ADK_KERNEL_SND_SOC_I2C_AND_SPI
 	boolean
 
 config ADK_KERNEL_SND_SOC_WM8804
-	boolean
+	tristate
 	select ADK_KERNEL_SND_SOC_I2C_AND_SPI
 
 config ADK_KERNEL_SND_SOC_PCM5102A
-	boolean
+	tristate
+	select ADK_KERNEL_SND_SOC_I2C_AND_SPI
+
+config ADK_KERNEL_SND_SOC_PCM512x
+	tristate
 	select ADK_KERNEL_SND_SOC_I2C_AND_SPI
 
 config ADK_KERNEL_SND_SOC_PCM512x_I2C
-	boolean
+	tristate
+	select ADK_KERNEL_SND_SOC_PCM512x
+	select ADK_KERNEL_SND_SOC_I2C_AND_SPI
+
+config ADK_KERNEL_SND_SOC_PCM512x_SPI
+	tristate
+	select ADK_KERNEL_SND_SOC_PCM512x
 	select ADK_KERNEL_SND_SOC_I2C_AND_SPI
 
 config ADK_KERNEL_SND_PCM_DMAENGINE
@@ -161,11 +171,13 @@ config ADK_KERNEL_SND_BCM2835
 	default y if ADK_TARGET_SYSTEM_RASPBERRY_PI
 	default n
 
-config ADK_KERNEL_SND_BCM2835_SOC_I2S
-	boolean
+config ADK_KERNEL_SND_BCM2708_SOC_I2S
+	tristate
 	select ADK_KERNEL_SND
 	select ADK_KERNEL_SND_ARM
 	select ADK_KERNEL_SND_SOC
+	select ADK_KERNEL_SND_BCM2835
+	select ADK_KERNEL_DMA_BCM2835
 	select ADK_KERNEL_SND_DMAENGINE_PCM
 	select ADK_KERNEL_SND_SOC_GENERIC_DMAENGINE_PCM
 	select ADK_KERNEL_REGMAP_MMIO
@@ -174,35 +186,31 @@ config ADK_KERNEL_SND_BCM2835_SOC_I2S
 
 config ADK_KERNEL_SND_BCM2708_SOC_HIFIBERRY_DAC
 	prompt "Raspberry PI hifiberry DAC"
-	boolean
-	select ADK_KERNEL_DMA_BCM2708
-	select ADK_KERNEL_SND_BCM2835_SOC_I2S
+	tristate
+	select ADK_KERNEL_SND_BCM2708_SOC_I2S
 	select ADK_KERNEL_SND_SOC_PCM5102A
 	depends on ADK_TARGET_SYSTEM_RASPBERRY_PI
 	default n
 
 config ADK_KERNEL_SND_BCM2708_SOC_HIFIBERRY_DIGI
 	prompt "Raspberry PI hifiberry DIGI"
-	boolean
-	select ADK_KERNEL_DMA_BCM2708
-	select ADK_KERNEL_SND_BCM2835_SOC_I2S
+	tristate
+	select ADK_KERNEL_SND_BCM2708_SOC_I2S
 	select ADK_KERNEL_SND_SOC_WM8804
 	depends on ADK_TARGET_SYSTEM_RASPBERRY_PI
 	default n
 
 config ADK_KERNEL_SND_BCM2708_SOC_RPI_DAC
 	prompt "Raspberry PI RPI-DAC"
-	boolean
-	select ADK_KERNEL_DMA_BCM2708
-	select ADK_KERNEL_SND_BCM2835_SOC_I2S
+	tristate
+	select ADK_KERNEL_SND_BCM2708_SOC_I2S
 	depends on ADK_TARGET_SYSTEM_RASPBERRY_PI
 	default n
 
 config ADK_KERNEL_SND_BCM2708_SOC_IQAUDIO_DAC
 	prompt "Raspberry PI IQAudio-DAC"
-	boolean
-	select ADK_KERNEL_DMA_BCM2708
-	select ADK_KERNEL_SND_BCM2835_SOC_I2S
+	tristate
+	select ADK_KERNEL_SND_BCM2708_SOC_I2S
 	select ADK_KERNEL_SND_SOC_PCM512x_I2C
 	depends on ADK_TARGET_SYSTEM_RASPBERRY_PI
 	default n
diff --git a/target/linux/config/Config.in.dma b/target/linux/config/Config.in.dma
index 9ea4a2e12..6a8f8f1a4 100644
--- a/target/linux/config/Config.in.dma
+++ b/target/linux/config/Config.in.dma
@@ -1,9 +1,12 @@
 config ADK_KERNEL_DMADEVICES
 	boolean
 
-config ADK_KERNEL_DMA_BCM2708
+config ADK_KERNEL_DMA_BCM2835
         boolean
         select ADK_KERNEL_DMADEVICES
+	depends on ADK_TARGET_SYSTEM_RASPBERRY_PI
+	default y if ADK_TARGET_SYSTEM_RASPBERRY_PI
+	default n
 
 config ADK_KERNEL_IMX_SDMA
 	boolean
diff --git a/target/linux/config/Config.in.gpio b/target/linux/config/Config.in.gpio
index 678b04674..64b4c46ab 100644
--- a/target/linux/config/Config.in.gpio
+++ b/target/linux/config/Config.in.gpio
@@ -13,6 +13,16 @@ config ADK_KERNEL_GPIO_SYSFS
 config ADK_KERNEL_GPIO_GENERIC
 	boolean
 
+config ADK_KERNEL_BCM2708_GPIO
+	boolean
+	select ADK_KERNEL_GPIOLIB
+	select ADK_KERNEL_GPIO_SYSFS
+	select ADK_KERNEL_GPIO_GENERIC
+	select ADK_KERNEL_RESET_CONTROLLER
+	depends on ADK_TARGET_SYSTEM_RASPBERRY_PI
+	default y if ADK_TARGET_SYSTEM_RASPBERRY_PI
+	default n
+
 config ADK_KERNEL_GPIO_MXC
 	boolean
 	select ADK_KERNEL_GPIOLIB
@@ -20,5 +30,6 @@ config ADK_KERNEL_GPIO_MXC
 	select ADK_KERNEL_GPIO_GENERIC
 	select ADK_KERNEL_RESET_CONTROLLER
 	select ADK_KERNEL_RESET_GPIO
+	depends on ADK_TARGET_SYSTEM_SOLIDRUN_IMX6
 	default y if ADK_TARGET_SYSTEM_SOLIDRUN_IMX6
 	default n
diff --git a/target/linux/config/Config.in.i2c b/target/linux/config/Config.in.i2c
index feb06eaea..83ef3a1fa 100644
--- a/target/linux/config/Config.in.i2c
+++ b/target/linux/config/Config.in.i2c
@@ -7,7 +7,7 @@ config ADK_KERNEL_I2C
 config ADK_KERNEL_I2C_CHARDEV
  	tristate
 
-config ADK_KERNEL_I2C_BCM2708
+config ADK_KERNEL_I2C_BCM2835
 	prompt "I2C driver for Raspberry PI"
 	tristate
 	select ADK_KERNEL_I2C
diff --git a/target/linux/config/Config.in.misc b/target/linux/config/Config.in.misc
index 6823ee612..931bda8a8 100644
--- a/target/linux/config/Config.in.misc
+++ b/target/linux/config/Config.in.misc
@@ -31,6 +31,7 @@ source "target/linux/config/Config.in.leds"
 source "target/linux/config/Config.in.watchdog"
 source "target/linux/config/Config.in.i2c"
 source "target/linux/config/Config.in.spi"
+source "target/linux/config/Config.in.regmap"
 source "target/linux/config/Config.in.regulator"
 source "target/linux/config/Config.in.gpio"
 source "target/linux/config/Config.in.dma"
diff --git a/target/linux/config/Config.in.regmap b/target/linux/config/Config.in.regmap
new file mode 100644
index 000000000..44a8bcca0
--- /dev/null
+++ b/target/linux/config/Config.in.regmap
@@ -0,0 +1,25 @@
+config ADK_KERNEL_REGMAP
+	boolean
+	select ADK_KERNEL_LZO_COMPRESS
+	select ADK_KERNEL_LZO_DECOMPRESS
+	default n
+
+config ADK_KERNEL_REGMAP_I2C
+	boolean
+	select ADK_KERNEL_REGMAP
+	default n
+
+config ADK_KERNEL_REGMAP_SPI
+	boolean
+	select ADK_KERNEL_REGMAP
+	default n
+
+config ADK_KERNEL_REGMAP_MMIO
+	boolean
+	select ADK_KERNEL_REGMAP
+	default n
+
+config ADK_KERNEL_REGMAP_IRQ
+	boolean
+	select ADK_KERNEL_REGMAP
+	default n
diff --git a/target/linux/config/Config.in.regulator b/target/linux/config/Config.in.regulator
index 6e8f8dfd1..a6a6c90a7 100644
--- a/target/linux/config/Config.in.regulator
+++ b/target/linux/config/Config.in.regulator
@@ -37,28 +37,3 @@ config ADK_KERNEL_REGULATOR_PFUZE100
 	select ADK_KERNEL_REGULATOR
 	default n
 
-config ADK_KERNEL_REGMAP
-	boolean
-	select ADK_KERNEL_LZO_COMPRESS
-	select ADK_KERNEL_LZO_DECOMPRESS
-	default n
-
-config ADK_KERNEL_REGMAP_I2C
-	boolean
-	select ADK_KERNEL_REGMAP
-	default n
-
-config ADK_KERNEL_REGMAP_SPI
-	boolean
-	select ADK_KERNEL_REGMAP
-	default n
-
-config ADK_KERNEL_REGMAP_MMIO
-	boolean
-	select ADK_KERNEL_REGMAP
-	default n
-
-config ADK_KERNEL_REGMAP_IRQ
-	boolean
-	select ADK_KERNEL_REGMAP
-	default n
diff --git a/target/linux/config/Config.in.spi b/target/linux/config/Config.in.spi
index d58215eab..ff5286804 100644
--- a/target/linux/config/Config.in.spi
+++ b/target/linux/config/Config.in.spi
@@ -26,7 +26,7 @@ config ADK_KERNEL_SPI_PXA2XX
 	tristate
 	select ADK_KERNEL_SPI
 
-config ADK_KERNEL_SPI_BCM2708
+config ADK_KERNEL_SPI_BCM2835
 	prompt "SPI driver for Raspberry PI"
 	tristate
 	select ADK_KERNEL_SPI