Commit 9312fffb authored by Amit Kucheria's avatar Amit Kucheria Committed by Samuel Ortiz
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mfd: OMAP: Board-specifc twl4030 DPS scripts for RX51 board



Add support for Dynamic Power Switching (DPS) for the RX51 board.

These scripts are still a work-in-progress. I'll keep sending patches to
update the scripts as they are optimised.
Signed-off-by: default avatarAmit Kucheria <amit.kucheria@verdurent.com>
Acked-by: default avatarTony Lindgren <tony@atomide.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 75a74565
/* /*
* linux/arch/arm/mach-omap2/board-rx51-flash.c * linux/arch/arm/mach-omap2/board-rx51-peripherals.c
* *
* Copyright (C) 2008-2009 Nokia * Copyright (C) 2008-2009 Nokia
* *
...@@ -282,7 +282,124 @@ static struct twl4030_usb_data rx51_usb_data = { ...@@ -282,7 +282,124 @@ static struct twl4030_usb_data rx51_usb_data = {
.usb_mode = T2_USB_MODE_ULPI, .usb_mode = T2_USB_MODE_ULPI,
}; };
static struct twl4030_platform_data rx51_twldata = { static struct twl4030_ins sleep_on_seq[] __initdata = {
/*
* Turn off VDD1 and VDD2.
*/
{MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_OFF), 4},
{MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_OFF), 2},
/*
* And also turn off the OMAP3 PLLs and the sysclk output.
*/
{MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_OFF), 3},
{MSG_SINGULAR(DEV_GRP_P1, 0x17, RES_STATE_OFF), 3},
};
static struct twl4030_script sleep_on_script __initdata = {
.script = sleep_on_seq,
.size = ARRAY_SIZE(sleep_on_seq),
.flags = TWL4030_SLEEP_SCRIPT,
};
static struct twl4030_ins wakeup_seq[] __initdata = {
/*
* Reenable the OMAP3 PLLs.
* Wakeup VDD1 and VDD2.
* Reenable sysclk output.
*/
{MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_ACTIVE), 0x30},
{MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_ACTIVE), 0x30},
{MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_ACTIVE), 0x37},
{MSG_SINGULAR(DEV_GRP_P1, 0x19, RES_STATE_ACTIVE), 3},
};
static struct twl4030_script wakeup_script __initdata = {
.script = wakeup_seq,
.size = ARRAY_SIZE(wakeup_seq),
.flags = TWL4030_WAKEUP12_SCRIPT,
};
static struct twl4030_ins wakeup_p3_seq[] __initdata = {
/*
* Wakeup VDD1 (dummy to be able to insert a delay)
* Enable CLKEN
*/
{MSG_SINGULAR(DEV_GRP_P1, 0x17, RES_STATE_ACTIVE), 3},
};
static struct twl4030_script wakeup_p3_script __initdata = {
.script = wakeup_p3_seq,
.size = ARRAY_SIZE(wakeup_p3_seq),
.flags = TWL4030_WAKEUP3_SCRIPT,
};
static struct twl4030_ins wrst_seq[] __initdata = {
/*
* Reset twl4030.
* Reset VDD1 regulator.
* Reset VDD2 regulator.
* Reset VPLL1 regulator.
* Enable sysclk output.
* Reenable twl4030.
*/
{MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_OFF), 2},
{MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, 0, 1, RES_STATE_ACTIVE),
0x13},
{MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_PP, 0, 2, RES_STATE_WRST), 0x13},
{MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_PP, 0, 3, RES_STATE_OFF), 0x13},
{MSG_SINGULAR(DEV_GRP_NULL, RES_VDD1, RES_STATE_WRST), 0x13},
{MSG_SINGULAR(DEV_GRP_NULL, RES_VDD2, RES_STATE_WRST), 0x13},
{MSG_SINGULAR(DEV_GRP_NULL, RES_VPLL1, RES_STATE_WRST), 0x35},
{MSG_SINGULAR(DEV_GRP_P1, RES_HFCLKOUT, RES_STATE_ACTIVE), 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,
};
static struct twl4030_script *twl4030_scripts[] __initdata = {
/* wakeup12 script should be loaded before sleep script, otherwise a
board might hit retention before loading of wakeup script is
completed. This can cause boot failures depending on timing issues.
*/
&wakeup_script,
&sleep_on_script,
&wakeup_p3_script,
&wrst_script,
};
static struct twl4030_resconfig twl4030_rconfig[] __initdata = {
{ .resource = RES_VINTANA1, .devgroup = -1, .type = -1, .type2 = 1 },
{ .resource = RES_VINTANA2, .devgroup = -1, .type = -1, .type2 = 1 },
{ .resource = RES_VINTDIG, .devgroup = -1, .type = -1, .type2 = 1 },
{ .resource = RES_VMMC1, .devgroup = -1, .type = -1, .type2 = 3},
{ .resource = RES_VMMC2, .devgroup = DEV_GRP_NULL, .type = -1,
.type2 = 3},
{ .resource = RES_VAUX1, .devgroup = -1, .type = -1, .type2 = 3},
{ .resource = RES_VAUX2, .devgroup = -1, .type = -1, .type2 = 3},
{ .resource = RES_VAUX3, .devgroup = -1, .type = -1, .type2 = 3},
{ .resource = RES_VAUX4, .devgroup = -1, .type = -1, .type2 = 3},
{ .resource = RES_VPLL2, .devgroup = -1, .type = -1, .type2 = 3},
{ .resource = RES_VDAC, .devgroup = -1, .type = -1, .type2 = 3},
{ .resource = RES_VSIM, .devgroup = DEV_GRP_NULL, .type = -1,
.type2 = 3},
{ .resource = RES_CLKEN, .devgroup = DEV_GRP_P3, .type = -1,
.type2 = 1 },
{ 0, 0},
};
static struct twl4030_power_data rx51_t2scripts_data __initdata = {
.scripts = twl4030_scripts,
.num = ARRAY_SIZE(twl4030_scripts),
.resource_config = twl4030_rconfig,
};
static struct twl4030_platform_data rx51_twldata __initdata = {
.irq_base = TWL4030_IRQ_BASE, .irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END, .irq_end = TWL4030_IRQ_END,
...@@ -291,6 +408,7 @@ static struct twl4030_platform_data rx51_twldata = { ...@@ -291,6 +408,7 @@ static struct twl4030_platform_data rx51_twldata = {
.keypad = &rx51_kp_data, .keypad = &rx51_kp_data,
.madc = &rx51_madc_data, .madc = &rx51_madc_data,
.usb = &rx51_usb_data, .usb = &rx51_usb_data,
.power = &rx51_t2scripts_data,
.vaux1 = &rx51_vaux1, .vaux1 = &rx51_vaux1,
.vaux2 = &rx51_vaux2, .vaux2 = &rx51_vaux2,
......
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