From 9eb3572b7b620360a36676bf957ea6b83850d25d Mon Sep 17 00:00:00 2001
From: Zoltan Herpai <wigyori@uid0.hu>
Date: Thu, 1 Aug 2013 09:36:37 +0000
Subject: [PATCH] imx23: add lradc support

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>

SVN-Revision: 37632
---
 target/linux/imx23/config-default           | 17 +++++++++++++++--
 target/linux/imx23/modules.mk               | 15 +++++++++++++++
 target/linux/imx23/profiles/01-olinuxino.mk |  2 +-
 3 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/target/linux/imx23/config-default b/target/linux/imx23/config-default
index 7c5f35983c..7d05e9f537 100644
--- a/target/linux/imx23/config-default
+++ b/target/linux/imx23/config-default
@@ -68,7 +68,6 @@ CONFIG_CRYPTO_HASH2=y
 CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S"
 # CONFIG_DEBUG_PINCTRL is not set
 # CONFIG_DEBUG_USER is not set
-CONFIG_DECOMPRESS_LZMA=y
 CONFIG_DMADEVICES=y
 CONFIG_DMA_ENGINE=y
 CONFIG_DMA_OF=y
@@ -142,7 +141,6 @@ CONFIG_I2C=y
 CONFIG_I2C_ALGOBIT=y
 CONFIG_I2C_ALGOPCA=y
 CONFIG_I2C_ALGOPCF=y
-# CONFIG_I2C_ARB_GPIO_CHALLENGE is not set
 CONFIG_I2C_BOARDINFO=y
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_COMPAT=y
@@ -155,7 +153,21 @@ CONFIG_I2C_MUX=y
 # CONFIG_I2C_MUX_PCA954x is not set
 CONFIG_I2C_MUX_PINCTRL=y
 CONFIG_I2C_MXS=y
+CONFIG_IIO=y
+CONFIG_IIO_BUFFER=y
+# CONFIG_IIO_BUFFER_CB is not set
+CONFIG_IIO_CONSUMERS_PER_TRIGGER=2
+CONFIG_IIO_GPIO_TRIGGER=y
+CONFIG_IIO_KFIFO_BUF=y
+CONFIG_IIO_PERIODIC_RTC_TRIGGER=y
+# CONFIG_IIO_SIMPLE_DUMMY is not set
+# CONFIG_IIO_ST_ACCEL_3AXIS is not set
+# CONFIG_IIO_ST_GYRO_3AXIS is not set
+# CONFIG_IIO_ST_MAGN_3AXIS is not set
+CONFIG_IIO_SYSFS_TRIGGER=y
+CONFIG_IIO_TRIGGER=y
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_INPUT=y
 CONFIG_IRQCHIP=y
 CONFIG_IRQ_DOMAIN=y
 CONFIG_IRQ_WORK=y
@@ -174,6 +186,7 @@ CONFIG_MTD_OF_PARTS=y
 # CONFIG_MTD_PHYSMAP_OF is not set
 CONFIG_MULTI_IRQ_HANDLER=y
 CONFIG_MXS_DMA=y
+# CONFIG_MXS_LRADC is not set
 CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_NEED_PER_CPU_KM=y
 # CONFIG_NET_DMA is not set
diff --git a/target/linux/imx23/modules.mk b/target/linux/imx23/modules.mk
index 5c9fd44ad9..119ddd7bd7 100644
--- a/target/linux/imx23/modules.mk
+++ b/target/linux/imx23/modules.mk
@@ -100,3 +100,18 @@ endef
 
 $(eval $(call KernelPackage,sound-soc-imx23))
 
+define KernelPackage/iio-mxs-lradc
+    SUBMENU:=$(OTHER_MENU)
+    TITLE:=LRADC driver for i.MX23/28
+    DEPENDS:=@TARGET_imx23
+    KCONFIG:=CONFIG_MXS_LRADC
+    FILES:=$(LINUX_DIR)/drivers/staging/iio/adc/mxs-lradc.ko \
+	$(LINUX_DIR)/drivers/iio/industrialio-triggered-buffer.ko
+    AUTOLOAD:=$(call AutoLoad,70,industrialio-triggered-buffer mxs-lradc)
+endef
+
+define KernelPackage/iio-mxs-lradc/description
+    Kernel module for i.MX23/28 LRADC driver
+endef
+
+$(eval $(call KernelPackage,iio-mxs-lradc))
diff --git a/target/linux/imx23/profiles/01-olinuxino.mk b/target/linux/imx23/profiles/01-olinuxino.mk
index b2f46c4202..252f99a854 100644
--- a/target/linux/imx23/profiles/01-olinuxino.mk
+++ b/target/linux/imx23/profiles/01-olinuxino.mk
@@ -9,7 +9,7 @@ define Profile/olinuxino
   NAME:=Olimex Olinuxino boards
   PACKAGES += imx-bootlets kmod-usb-mxs-phy kmod-usb-net kmod-usb-net-smsc95xx \
           kmod-gpio-mcp23s08 kmod-leds-gpio kmod-ledtrig-heartbeat kmod-rtc-stmp3xxx \
-	  kmod-sound-core kmod-sound-soc-imx23
+	  kmod-sound-core kmod-sound-soc-imx23 kmod-iio-mxs-lradc
 endef
 
 define Profile/olinuxino/Description
-- 
2.30.2