3 files changed, 65 insertions, 2 deletions
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index 40866c643f1..7b6dddf08e9 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -101,6 +101,27 @@ config MACH_DAVINCI_DA830_EVM
 	help
 	  Say Y here to select the TI DA830/OMAP-L137 Evaluation Module.
 
+config DA830_UI
+	bool "DA830/OMAP-L137 UI (User Interface) board support"
+	depends on MACH_DAVINCI_DA830_EVM
+	help
+	  Say Y here if you have the DA830/OMAP-L137 UI
+	  (User Interface) board installed and you want to
+	  enable the peripherals located on User Interface
+	  board.
+
+choice
+	prompt "Select DA830/OMAP-L137 UI board peripheral"
+	depends on DA830_UI
+
+config DA830_UI_LCD
+	bool "LCD"
+	help
+	  Say Y here to use the LCD as a framebuffer or simple character
+	  display.
+
+endchoice
+
 config MACH_DAVINCI_DA850_EVM
 	bool "TI DA850/OMAP-L138 Reference Platform"
 	default ARCH_DAVINCI_DA850
diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c
index fe86afa7ea2..fb941eb1f4d 100644
--- a/arch/arm/mach-davinci/board-da830-evm.c
+++ b/arch/arm/mach-davinci/board-da830-evm.c
@@ -13,7 +13,9 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/console.h>
+#include <linux/gpio.h>
 #include <linux/i2c.h>
+#include <linux/i2c/pcf857x.h>
 #include <linux/i2c/at24.h>
 
 #include <asm/mach-types.h>
@@ -38,6 +40,31 @@ static struct at24_platform_data da830_evm_i2c_eeprom_info = {
 	.context	= (void *)0x7f00,
 };
 
+static int da830_evm_ui_expander_setup(struct i2c_client *client, int gpio,
+		unsigned ngpio, void *context)
+{
+	gpio_request(gpio + 6, "MUX_MODE");
+#ifdef CONFIG_DA830_UI_LCD
+	gpio_direction_output(gpio + 6, 0);
+#else /* Must be NAND or NOR */
+	gpio_direction_output(gpio + 6, 1);
+#endif
+	return 0;
+}
+
+static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
+		unsigned ngpio, void *context)
+{
+	gpio_free(gpio + 6);
+	return 0;
+}
+
+static struct pcf857x_platform_data da830_evm_ui_expander_info = {
+	.gpio_base	= DAVINCI_N_GPIO,
+	.setup		= da830_evm_ui_expander_setup,
+	.teardown	= da830_evm_ui_expander_teardown,
+};
+
 static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
 	{
 		I2C_BOARD_INFO("24c256", 0x50),
@@ -45,7 +72,11 @@ static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
 	},
 	{
 		I2C_BOARD_INFO("tlv320aic3x", 0x18),
-	}
+	},
+	{
+		I2C_BOARD_INFO("pcf8574", 0x3f),
+		.platform_data	= &da830_evm_ui_expander_info,
+	},
 };
 
 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
@@ -186,6 +217,17 @@ static __init void da830_evm_init(void)
 	da8xx_register_mcasp(1, &da830_evm_snd_data);
 
 	da830_evm_init_mmc();
+
+#ifdef CONFIG_DA830_UI_LCD
+	ret = da8xx_pinmux_setup(da830_lcdcntl_pins);
+	if (ret)
+		pr_warning("da830_evm_init: lcdcntl mux setup failed: %d\n",
+				ret);
+
+	ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
+	if (ret)
+		pr_warning("da830_evm_init: lcd setup failed: %d\n", ret);
+#endif
 }
 
 #ifdef CONFIG_SERIAL_8250_CONSOLE
diff --git a/arch/arm/mach-davinci/da830.c b/arch/arm/mach-davinci/da830.c
index f52174af06c..f0b2f9690d9 100644
--- a/arch/arm/mach-davinci/da830.c
+++ b/arch/arm/mach-davinci/da830.c
@@ -411,7 +411,7 @@ static struct davinci_clk da830_clks[] = {
 	CLK(NULL,		"pwm2",		&pwm2_clk),
 	CLK("eqep.0",		NULL,		&eqep0_clk),
 	CLK("eqep.1",		NULL,		&eqep1_clk),
-	CLK("da830_lcdc",	NULL,		&lcdc_clk),
+	CLK("da8xx_lcdc.0",	NULL,		&lcdc_clk),
 	CLK("davinci-mcasp.0",	NULL,		&mcasp0_clk),
 	CLK("davinci-mcasp.1",	NULL,		&mcasp1_clk),
 	CLK("davinci-mcasp.2",	NULL,		&mcasp2_clk),