ARM: OMAP1: dmtimer: conversion to platform devices

Convert OMAP1 dmtimers into a platform devices and then registers with
device model framework so that it can be bound to corresponding driver.

Signed-off-by: Thara Gopinath <thara@ti.com>
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Cousson, Benoit <b-cousson@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

2 files changed, 20 insertions, 44 deletions

diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index e23b7cf2b219..571c14b36497 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -3,6 +3,12 @@
  *
  * OMAP Dual-Mode Timers
  *
+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
+ * Tarun Kanti DebBarma <tarun.kanti@ti.com>
+ * Thara Gopinath <thara@ti.com>
+ *
+ * dmtimer adaptation to platform_driver.
+ *
  * Copyright (C) 2005 Nokia Corporation
  * OMAP2 support by Juha Yrjola
  * API improvements and OMAP2 clock framework support by Timo Teras
@@ -43,25 +49,6 @@
 
 static int dm_timer_count;
 
-#ifdef CONFIG_ARCH_OMAP1
-static struct omap_dm_timer omap1_dm_timers[] = {
-	{ .phys_base = 0xfffb1400, .irq = INT_1610_GPTIMER1 },
-	{ .phys_base = 0xfffb1c00, .irq = INT_1610_GPTIMER2 },
-	{ .phys_base = 0xfffb2400, .irq = INT_1610_GPTIMER3 },
-	{ .phys_base = 0xfffb2c00, .irq = INT_1610_GPTIMER4 },
-	{ .phys_base = 0xfffb3400, .irq = INT_1610_GPTIMER5 },
-	{ .phys_base = 0xfffb3c00, .irq = INT_1610_GPTIMER6 },
-	{ .phys_base = 0xfffb7400, .irq = INT_1610_GPTIMER7 },
-	{ .phys_base = 0xfffbd400, .irq = INT_1610_GPTIMER8 },
-};
-
-static const int omap1_dm_timer_count = ARRAY_SIZE(omap1_dm_timers);
-
-#else
-#define omap1_dm_timers			NULL
-#define omap1_dm_timer_count		0
-#endif	/* CONFIG_ARCH_OMAP1 */
-
 #ifdef CONFIG_ARCH_OMAP2
 static struct omap_dm_timer omap2_dm_timers[] = {
 	{ .phys_base = 0x48028000, .irq = INT_24XX_GPTIMER1 },
@@ -410,35 +397,20 @@ void omap_dm_timer_stop(struct omap_dm_timer *timer)
 }
 EXPORT_SYMBOL_GPL(omap_dm_timer_stop);
 
-#ifdef CONFIG_ARCH_OMAP1
-
-int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
-{
-	int n = (timer - dm_timers) << 1;
-	u32 l;
-
-	l = omap_readl(MOD_CONF_CTRL_1) & ~(0x03 << n);
-	l |= source << n;
-	omap_writel(l, MOD_CONF_CTRL_1);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_set_source);
-
-#else
-
 int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
 {
 	if (source < 0 || source >= 3)
 		return -EINVAL;
 
+#ifdef CONFIG_ARCH_OMAP2PLUS
 	return __omap_dm_timer_set_source(timer->fclk,
 						dm_source_clocks[source]);
+#else
+	return 0;
+#endif
 }
 EXPORT_SYMBOL_GPL(omap_dm_timer_set_source);
 
-#endif
-
 void omap_dm_timer_set_load(struct omap_dm_timer *timer, int autoreload,
 			    unsigned int load)
 {
@@ -582,16 +554,12 @@ static int __init omap_dm_timer_init(void)
 	struct omap_dm_timer *timer;
 	int i, map_size = SZ_8K;	/* Module 4KB + L4 4KB except on omap1 */
 
-	if (!(cpu_is_omap16xx() || cpu_class_is_omap2()))
+	if (!cpu_class_is_omap2())
 		return -ENODEV;
 
 	spin_lock_init(&dm_timer_lock);
 
-	if (cpu_class_is_omap1()) {
-		dm_timers = omap1_dm_timers;
-		dm_timer_count = omap1_dm_timer_count;
-		map_size = SZ_2K;
-	} else if (cpu_is_omap24xx()) {
+	if (cpu_is_omap24xx()) {
 		dm_timers = omap2_dm_timers;
 		dm_timer_count = omap2_dm_timer_count;
 		dm_source_names = omap2_dm_source_names;
diff --git a/arch/arm/plat-omap/include/plat/dmtimer.h b/arch/arm/plat-omap/include/plat/dmtimer.h
index ad554d36866d..1751751862da 100644
--- a/arch/arm/plat-omap/include/plat/dmtimer.h
+++ b/arch/arm/plat-omap/include/plat/dmtimer.h
@@ -35,6 +35,7 @@
 #include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/io.h>
+#include <linux/platform_device.h>
 
 #ifndef __ASM_ARCH_DMTIMER_H
 #define __ASM_ARCH_DMTIMER_H
@@ -62,6 +63,12 @@
 struct omap_dm_timer;
 struct clk;
 
+struct dmtimer_platform_data {
+	int (*set_timer_src)(struct platform_device *pdev, int source);
+	int timer_ip_version;
+	u32 needs_manual_reset:1;
+};
+
 struct omap_dm_timer *omap_dm_timer_request(void);
 struct omap_dm_timer *omap_dm_timer_request_specific(int timer_id);
 void omap_dm_timer_free(struct omap_dm_timer *timer);
@@ -228,6 +235,7 @@ struct omap_dm_timer {
 	unsigned reserved:1;
 	unsigned enabled:1;
 	unsigned posted:1;
+	struct platform_device *pdev;
 };
 
 extern u32 sys_timer_reserved;