[v3,3/5] omap3: pm: Generic TRITON power scripts for OMAP3 based boards

Commit Message

Lesly A M March 12, 2010, 3:31 p.m. UTC

None

Patch

diff --git a/arch/arm/mach-omap2/twl4030-script.c b/arch/arm/mach-omap2/twl4030-script.c
new file mode 100644
index 0000000..cfa623b
--- /dev/null
+++ b/arch/arm/mach-omap2/twl4030-script.c
@@ -0,0 +1,143 @@ 
+/*
+ * Copyright (C) 2010 Texas Instruments, Inc.
+ * Lesly A M <[e-mail]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifdef CONFIG_TWL4030_POWER
+
+#include "twl4030-script.h"
+
+static struct prm_setup_vc twl4030_voltsetup_time = {
+	/* VOLT SETUPTIME for RET & OFF */
+	.voltsetup_time1_ret = 0x005B,
+	.voltsetup_time2_ret = 0x0055,
+	.voltsetup_time1_off = 0x00B3,
+	.voltsetup_time2_off = 0x00A0,
+	.voltoffset = 0x118,
+	.voltsetup2 = 0x32,
+};
+
+/*
+ * Sequence to control the TRITON Power resources,
+ * when the system goes into sleep.
+ * Executed upon P1_P2/P3 transition for sleep.
+ */
+static struct twl4030_ins __initdata sleep_on_seq[] = {
+	/* Broadcast message to put res to sleep */
+	{MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, RES_TYPE_R0, RES_TYPE2_R1,
+							RES_STATE_SLEEP), 2},
+	{MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, RES_TYPE_R0, RES_TYPE2_R2,
+							RES_STATE_SLEEP), 2},
+};
+
+static struct twl4030_script sleep_on_script __initdata = {
+	.script	= sleep_on_seq,
+	.size	= ARRAY_SIZE(sleep_on_seq),
+	.flags	= TWL4030_SLEEP_SCRIPT,
+};
+
+/*
+ * Sequence to control the TRITON Power resources,
+ * when the system wakeup from sleep.
+ * Executed upon P1_P2 transition for wakeup.
+ */
+static struct twl4030_ins wakeup_p12_seq[] __initdata = {
+	/* Broadcast message to put res to active */
+	{MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, RES_TYPE_R0, RES_TYPE2_R1,
+							RES_STATE_ACTIVE), 2},
+};
+
+static struct twl4030_script wakeup_p12_script __initdata = {
+	.script	= wakeup_p12_seq,
+	.size	= ARRAY_SIZE(wakeup_p12_seq),
+	.flags	= TWL4030_WAKEUP12_SCRIPT,
+};
+
+/*
+ * Sequence to control the TRITON Power resources,
+ * when the system wakeup from sleep.
+ * Executed upon P3 transition for wakeup.
+ */
+static struct twl4030_ins wakeup_p3_seq[] __initdata = {
+	/* Broadcast message to put res to active */
+	{MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, RES_TYPE_R0, RES_TYPE2_R2,
+							RES_STATE_ACTIVE), 2},
+};
+
+static struct twl4030_script wakeup_p3_script __initdata = {
+	.script = wakeup_p3_seq,
+	.size   = ARRAY_SIZE(wakeup_p3_seq),
+	.flags  = TWL4030_WAKEUP3_SCRIPT,
+};
+
+/*
+ * Sequence to reset the TRITON Power resources,
+ * when the system gets warm reset.
+ * Executed upon warm reset signal.
+ */
+static struct twl4030_ins wrst_seq[] __initdata = {
+/*
+ * Reset twl4030.
+ * Reset Main_Ref.
+ * Reset All type2_group2.
+ * Reset VUSB_3v1.
+ * Reset All type2_group1.
+ * Reset RC.
+ * Reenable twl4030.
+ */
+	{MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_OFF), 2},
+	{MSG_SINGULAR(DEV_GRP_NULL, RES_Main_Ref, RES_STATE_WRST), 2},
+	{MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, RES_TYPE_R0, RES_TYPE2_R2,
+							RES_STATE_WRST), 2},
+	{MSG_SINGULAR(DEV_GRP_NULL, RES_VUSB_3V1, RES_STATE_WRST), 2},
+	{MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, RES_TYPE_R0, RES_TYPE2_R1,
+							RES_STATE_WRST), 2},
+	{MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_RC, RES_TYPE_ALL, RES_TYPE2_R0,
+							RES_STATE_WRST), 2},
+	{MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_ACTIVE), 2},
+};
+
+static struct twl4030_script wrst_script __initdata = {
+	.script = wrst_seq,
+	.size   = ARRAY_SIZE(wrst_seq),
+	.flags  = TWL4030_WRST_SCRIPT,
+};
+
+/* TRITON script for sleep, wakeup & warm_reset */
+static struct twl4030_script *twl4030_scripts[] __initdata = {
+	&sleep_on_script,
+	&wakeup_p12_script,
+	&wakeup_p3_script,
+	&wrst_script,
+};
+
+static struct twl4030_power_data twl4030_generic_script __initdata = {
+	.scripts	= twl4030_scripts,
+	.num		= ARRAY_SIZE(twl4030_scripts),
+};
+
+void twl4030_get_scripts(struct twl4030_power_data *t2scripts_data)
+{
+	t2scripts_data->scripts = twl4030_generic_script.scripts;
+	t2scripts_data->num = twl4030_generic_script.num;
+}
+
+void twl4030_get_vc_timings(struct prm_setup_vc *setup_vc)
+{
+	setup_vc->voltsetup_time1_ret =
+				twl4030_voltsetup_time.voltsetup_time1_ret;
+	setup_vc->voltsetup_time2_ret =
+				twl4030_voltsetup_time.voltsetup_time2_ret;
+	setup_vc->voltsetup_time1_off =
+				twl4030_voltsetup_time.voltsetup_time1_off;
+	setup_vc->voltsetup_time2_off =
+				twl4030_voltsetup_time.voltsetup_time1_off;
+
+	setup_vc->voltoffset = twl4030_voltsetup_time.voltoffset;
+	setup_vc->voltsetup2 = twl4030_voltsetup_time.voltsetup2;
+}
+#endif
diff --git a/arch/arm/mach-omap2/twl4030-script.h b/arch/arm/mach-omap2/twl4030-script.h
new file mode 100644
index 0000000..5161861
--- /dev/null
+++ b/arch/arm/mach-omap2/twl4030-script.h
@@ -0,0 +1,15 @@ 
+#ifndef __ARCH_ARM_MACH_OMAP3_TWL4030_SCRIPT_H
+#define __ARCH_ARM_MACH_OMAP3_TWL4030_SCRIPT_H
+
+#include <linux/i2c/twl.h>
+#include "pm.h"
+
+#ifdef CONFIG_TWL4030_POWER
+extern void twl4030_get_scripts(struct twl4030_power_data *t2scripts_data);
+extern void twl4030_get_vc_timings(struct prm_setup_vc *setup_vc);
+#else
+extern void twl4030_get_scripts(struct twl4030_power_data *t2scripts_data) {}
+extern void twl4030_get_vc_timings(struct prm_setup_vc *setup_vc) {}
+#endif
+
+#endif