[OpenWrt-Devel] [PATCH 6/8] brcm2708: improve modules

[Álvaro Fernández Rojas]

- Add upstream (bcm2835) modules and improve downstream ones (bcm2708)
- Override disabled device tree module status from config.txt

Signed-off-by: Álvaro Fernández Rojas <noltari at gmail.com>
---
 target/linux/brcm2708/image/config.txt |  6 +++
 target/linux/brcm2708/modules.mk       | 71 ++++++++++++++++++++++++++++------
 2 files changed, 66 insertions(+), 11 deletions(-)

diff --git a/target/linux/brcm2708/image/config.txt b/target/linux/brcm2708/image/config.txt
index 9e6e8e9..f66f6bc 100644
--- a/target/linux/brcm2708/image/config.txt
+++ b/target/linux/brcm2708/image/config.txt
@@ -921,3 +921,9 @@ init_uart_clock=3000000
 ##     8        1.4   V
 ##
 #over_voltage_sdram_p=0
+
+################################################################################
+##  Device Tree Settings
+################################################################################
+
+dtparam=random=on,watchdog=on,audio=on,i2c0=on,i2c1=on,spi=on
diff --git a/target/linux/brcm2708/modules.mk b/target/linux/brcm2708/modules.mk
index 408382d..3f9c118 100644
--- a/target/linux/brcm2708/modules.mk
+++ b/target/linux/brcm2708/modules.mk
@@ -6,7 +6,7 @@
 #
 
 define KernelPackage/sound-arm-bcm2835
-  TITLE:=Broadcom 2708,2835 SoC sound support
+  TITLE:=BCM2835 ALSA driver
   KCONFIG:= \
 	CONFIG_SND_ARM=y \
 	CONFIG_SND_BCM2835 \
@@ -19,14 +19,15 @@ define KernelPackage/sound-arm-bcm2835
 endef
 
 define KernelPackage/sound-arm-bcm2835/description
-  This package contains the Broadcom 2708/2835 sound driver
+  This package contains the BCM2835 ALSA pcm card driver
 endef
 
 $(eval $(call KernelPackage,sound-arm-bcm2835))
 
+
 define KernelPackage/random-bcm2708
   SUBMENU:=$(OTHER_MENU)
-  TITLE:=BCM2708 H/W Random Number Generator
+  TITLE:=BCM2708 HW Random Number Generator
   KCONFIG:=CONFIG_HW_RANDOM_BCM2708
   FILES:=$(LINUX_DIR)/drivers/char/hw_random/bcm2708-rng.ko
   AUTOLOAD:=$(call AutoLoad,11,bcm2708-rng)
@@ -39,14 +40,30 @@ endef
 
 $(eval $(call KernelPackage,random-bcm2708))
 
+define KernelPackage/random-bcm2835
+  SUBMENU:=$(OTHER_MENU)
+  TITLE:=BCM2835 HW Random Number Generator
+  KCONFIG:=CONFIG_HW_RANDOM_BCM2835
+  FILES:=$(LINUX_DIR)/drivers/char/hw_random/bcm2835-rng.ko
+  AUTOLOAD:=$(call AutoLoad,11,bcm2835-rng)
+  DEPENDS:=@TARGET_brcm2708 +kmod-random-core
+endef
+
+define KernelPackage/random-bcm2835/description
+  This package contains the Broadcom 2835 HW random number generator driver
+endef
+
+$(eval $(call KernelPackage,random-bcm2835))
+
 
 define KernelPackage/spi-bcm2708
   SUBMENU:=$(SPI_MENU)
-  TITLE:=BCM2708 SPI controller driver (SPI0)
-  KCONFIG:=CONFIG_SPI_BCM2708 \
-	   CONFIG_SPI=y \
-	   CONFIG_SPI_MASTER=y \
-	   CONFIG_BCM2708_SPIDEV=y
+  TITLE:=BCM2708 SPI controller driver
+  KCONFIG:= \
+    CONFIG_BCM2708_SPIDEV=n \
+    CONFIG_SPI=y \
+    CONFIG_SPI_BCM2708 \
+    CONFIG_SPI_MASTER=y
   FILES:=$(LINUX_DIR)/drivers/spi/spi-bcm2708.ko
   AUTOLOAD:=$(call AutoLoad,89,spi-bcm2708)
   DEPENDS:=@TARGET_brcm2708
@@ -58,13 +75,31 @@ endef
 
 $(eval $(call KernelPackage,spi-bcm2708))
 
+define KernelPackage/spi-bcm2835
+  SUBMENU:=$(SPI_MENU)
+  TITLE:=BCM2835 SPI controller driver
+  KCONFIG:=\
+    CONFIG_BCM2708_SPIDEV=n \
+    CONFIG_SPI=y \
+    CONFIG_SPI_BCM2835 \
+    CONFIG_SPI_MASTER=y
+  FILES:=$(LINUX_DIR)/drivers/spi/spi-bcm2835.ko
+  AUTOLOAD:=$(call AutoLoad,89,spi-bcm2835)
+  DEPENDS:=@TARGET_brcm2708
+endef
+
+define KernelPackage/spi-bcm2835/description
+  This package contains the Broadcom 2835 SPI master controller driver
+endef
+
+$(eval $(call KernelPackage,spi-bcm2835))
+
 
 define KernelPackage/hwmon-bcm2835
   TITLE:=BCM2835 HWMON driver
   KCONFIG:=CONFIG_SENSORS_BCM2835
   FILES:=$(LINUX_DIR)/drivers/hwmon/bcm2835-hwmon.ko
   AUTOLOAD:=$(call AutoLoad,60,bcm2835-hwmon)
-  DEPENDS:=@TARGET_brcm2708
   $(call AddDepends/hwmon, at TARGET_brcm2708)
 endef
 
@@ -80,9 +115,8 @@ I2C_BCM2708_MODULES:=\
 
 define KernelPackage/i2c-bcm2708
   $(call i2c_defaults,$(I2C_BCM2708_MODULES),59)
-  KCONFIG+= \
-	   CONFIG_I2C_BCM2708_BAUDRATE=100000
   TITLE:=Broadcom BCM2708 I2C master controller driver
+  KCONFIG+= CONFIG_I2C_BCM2708_BAUDRATE=100000
   DEPENDS:=@TARGET_brcm2708 +kmod-i2c-core
 endef
 
@@ -91,3 +125,18 @@ define KernelPackage/i2c-bcm2708/description
 endef
 
 $(eval $(call KernelPackage,i2c-bcm2708))
+
+I2C_BCM2835_MODULES:=\
+  CONFIG_I2C_BCM2835:drivers/i2c/busses/i2c-bcm2835
+
+define KernelPackage/i2c-bcm2835
+  $(call i2c_defaults,$(I2C_BCM2835_MODULES),59)
+  TITLE:=Broadcom BCM2835 I2C master controller driver
+  DEPENDS:=@TARGET_brcm2708 +kmod-i2c-core
+endef
+
+define KernelPackage/i2c-bcm2835/description
+  This package contains the Broadcom 2835 I2C master controller driver
+endef
+
+$(eval $(call KernelPackage,i2c-bcm2835))
-- 
1.9.1
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