5 files changed, 93 insertions, 56 deletions

diff --git a/arch/arm/mach-ux500/board-mop500-regulators.c b/arch/arm/mach-ux500/board-mop500-regulators.c
index 9ed0f90cfe2..0f2e522f387 100644
--- a/arch/arm/mach-ux500/board-mop500-regulators.c
+++ b/arch/arm/mach-ux500/board-mop500-regulators.c
@@ -77,7 +77,7 @@ static struct regulator_consumer_supply ab8500_vtvout_consumers[] = {
 static struct regulator_consumer_supply ab8500_vintcore_consumers[] = {
 	/* SoC core supply, no device */
 	REGULATOR_SUPPLY("v-intcore", NULL),
-	/* USB Transciever */
+	/* USB Transceiver */
 	REGULATOR_SUPPLY("vddulpivio18", "ab8500-usb.0"),
 };
 
diff --git a/arch/arm/mach-ux500/board-mop500-u8500uib.c b/arch/arm/mach-ux500/board-mop500-u8500uib.c
index d8a8734a0eb..8ce46c0fdfd 100644
--- a/arch/arm/mach-ux500/board-mop500-u8500uib.c
+++ b/arch/arm/mach-ux500/board-mop500-u8500uib.c
@@ -12,34 +12,14 @@
 #include <linux/interrupt.h>
 #include <linux/mfd/tc3589x.h>
 #include <linux/input/matrix_keypad.h>
-#include <../drivers/staging/ste_rmi4/synaptics_i2c_rmi4.h>
 
 #include <mach/gpio.h>
 #include <mach/irqs.h>
 
 #include "board-mop500.h"
 
-/*
- * Synaptics RMI4 touchscreen interface on the U8500 UIB
- */
-
-/*
- * Descriptor structure.
- * Describes the number of i2c devices on the bus that speak RMI.
- */
-static struct synaptics_rmi4_platform_data rmi4_i2c_dev_platformdata = {
-	.irq_number     = NOMADIK_GPIO_TO_IRQ(84),
-	.irq_type       = (IRQF_TRIGGER_FALLING | IRQF_SHARED),
-	.x_flip		= false,
-	.y_flip		= true,
-	.regulator_en   = false,
-};
-
-static struct i2c_board_info __initdata mop500_i2c3_devices_u8500[] = {
-	{
-		I2C_BOARD_INFO("synaptics_rmi4_i2c", 0x4B),
-		.platform_data = &rmi4_i2c_dev_platformdata,
-	},
+/* Dummy data that can be overridden by staging driver */
+struct i2c_board_info __initdata __weak mop500_i2c3_devices_u8500[] = {
 };
 
 /*
diff --git a/arch/arm/mach-ux500/board-u5500.c b/arch/arm/mach-ux500/board-u5500.c
index 44fd3b5c33e..e58f0f56242 100644
--- a/arch/arm/mach-ux500/board-u5500.c
+++ b/arch/arm/mach-ux500/board-u5500.c
@@ -10,16 +10,97 @@
 #include <linux/amba/bus.h>
 #include <linux/gpio.h>
 #include <linux/irq.h>
+#include <linux/i2c.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach-types.h>
 
+#include <plat/pincfg.h>
+#include <plat/i2c.h>
+
 #include <mach/hardware.h>
 #include <mach/devices.h>
 #include <mach/setup.h>
 
+#include "pins-db5500.h"
 #include "devices-db5500.h"
+#include <linux/led-lm3530.h>
+
+/*
+ * GPIO
+ */
+
+static pin_cfg_t u5500_pins[] = {
+	/* I2C */
+	GPIO218_I2C2_SCL        | PIN_INPUT_PULLUP,
+	GPIO219_I2C2_SDA        | PIN_INPUT_PULLUP,
+
+	/* DISPLAY_ENABLE */
+	GPIO226_GPIO        | PIN_OUTPUT_LOW,
+
+	/* Backlight Enbale */
+	GPIO224_GPIO        | PIN_OUTPUT_HIGH,
+};
+/*
+ * I2C
+ */
+
+#define U5500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, _sm) \
+static struct nmk_i2c_controller u5500_i2c##id##_data = { \
+	/*				\
+	 * slave data setup time, which is	\
+	 * 250 ns,100ns,10ns which is 14,6,2	\
+	 * respectively for a 48 Mhz	\
+	 * i2c clock			\
+	 */				\
+	.slsu		= _slsu,	\
+	/* Tx FIFO threshold */		\
+	.tft		= _tft,		\
+	/* Rx FIFO threshold */		\
+	.rft		= _rft,		\
+	/* std. mode operation */	\
+	.clk_freq	= clk,		\
+	.sm		= _sm,		\
+}
+/*
+ * The board uses TODO <3> i2c controllers, initialize all of
+ * them with slave data setup time of 250 ns,
+ * Tx & Rx FIFO threshold values as 1 and standard
+ * mode of operation
+ */
+
+U5500_I2C_CONTROLLER(2,	0xe, 1, 1, 400000, I2C_FREQ_MODE_FAST);
+
+static struct lm3530_platform_data u5500_als_platform_data = {
+	.mode = LM3530_BL_MODE_MANUAL,
+	.als_input_mode = LM3530_INPUT_ALS1,
+	.max_current = LM3530_FS_CURR_26mA,
+	.pwm_pol_hi = true,
+	.als_avrg_time = LM3530_ALS_AVRG_TIME_512ms,
+	.brt_ramp_law = 1,      /* Linear */
+	.brt_ramp_fall = LM3530_RAMP_TIME_8s,
+	.brt_ramp_rise = LM3530_RAMP_TIME_8s,
+	.als1_resistor_sel = LM3530_ALS_IMPD_13_53kOhm,
+	.als2_resistor_sel = LM3530_ALS_IMPD_Z,
+	.als_vmin = 730,	/* mV */
+	.als_vmax = 1020,	/* mV */
+	.brt_val = 0x7F,	/* Max brightness */
+};
 
+
+static struct i2c_board_info __initdata u5500_i2c2_devices[] = {
+	{
+		/* Backlight */
+		I2C_BOARD_INFO("lm3530-led", 0x36),
+		.platform_data = &u5500_als_platform_data,
+	},
+};
+
+static void __init u5500_i2c_init(void)
+{
+	db5500_add_i2c2(&u5500_i2c2_data);
+	i2c_register_board_info(2, ARRAY_AND_SIZE(u5500_i2c2_devices));
+}
 static void __init u5500_uart_init(void)
 {
 	db5500_add_uart0(NULL);
@@ -30,7 +111,8 @@ static void __init u5500_uart_init(void)
 static void __init u5500_init_machine(void)
 {
 	u5500_init_devices();
-
+	nmk_config_pins(u5500_pins, ARRAY_SIZE(u5500_pins));
+	u5500_i2c_init();
 	u5500_sdi_init();
 	u5500_uart_init();
 }
diff --git a/arch/arm/mach-ux500/clock.c b/arch/arm/mach-ux500/clock.c
index 32ce90840ee..7d107be63eb 100644
--- a/arch/arm/mach-ux500/clock.c
+++ b/arch/arm/mach-ux500/clock.c
@@ -635,16 +635,13 @@ static const struct file_operations set_rate_fops = {
 static struct dentry *clk_debugfs_register_dir(struct clk *c,
 						struct dentry *p_dentry)
 {
-	struct dentry *d, *clk_d, *child, *child_tmp;
-	char s[255];
-	char *p = s;
+	struct dentry *d, *clk_d;
+	const char *p = c->name;
 
-	if (c->name == NULL)
-		p += sprintf(p, "BUG");
-	else
-		p += sprintf(p, "%s", c->name);
+	if (!p)
+		p = "BUG";
 
-	clk_d = debugfs_create_dir(s, p_dentry);
+	clk_d = debugfs_create_dir(p, p_dentry);
 	if (!clk_d)
 		return NULL;
 
@@ -666,24 +663,10 @@ static struct dentry *clk_debugfs_register_dir(struct clk *c,
 	return clk_d;
 
 err_out:
-	d = clk_d;
-	list_for_each_entry_safe(child, child_tmp, &d->d_subdirs, d_u.d_child)
-		debugfs_remove(child);
-	debugfs_remove(clk_d);
+	debugfs_remove_recursive(clk_d);
 	return NULL;
 }
 
-static void clk_debugfs_remove_dir(struct dentry *cdentry)
-{
-	struct dentry *d, *child, *child_tmp;
-
-	d = cdentry;
-	list_for_each_entry_safe(child, child_tmp, &d->d_subdirs, d_u.d_child)
-		debugfs_remove(child);
-	debugfs_remove(cdentry);
-	return ;
-}
-
 static int clk_debugfs_register_one(struct clk *c)
 {
 	struct clk *pa = c->parent_periph;
@@ -700,7 +683,7 @@ static int clk_debugfs_register_one(struct clk *c)
 		c->dent_bus = clk_debugfs_register_dir(c,
 				bpa->dent_bus ? bpa->dent_bus : bpa->dent);
 		if ((!c->dent_bus) &&  (c->dent)) {
-			clk_debugfs_remove_dir(c->dent);
+			debugfs_remove_recursive(c->dent);
 			c->dent = NULL;
 			return -ENOMEM;
 		}
diff --git a/arch/arm/mach-ux500/platsmp.c b/arch/arm/mach-ux500/platsmp.c
index 0c527fe2ceb..a33df5f4c27 100644
--- a/arch/arm/mach-ux500/platsmp.c
+++ b/arch/arm/mach-ux500/platsmp.c
@@ -172,14 +172,6 @@ void __init smp_init_cpus(void)
 
 void __init platform_smp_prepare_cpus(unsigned int max_cpus)
 {
-	int i;
-
-	/*
-	 * Initialise the present map, which describes the set of CPUs
-	 * actually populated at the present time.
-	 */
-	for (i = 0; i < max_cpus; i++)
-		set_cpu_present(i, true);
 
 	scu_enable(scu_base_addr());
 	wakeup_secondary();