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[ARM] pxa: Add support for suspend on PalmTX, T5 and LD

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Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
This commit is contained in:
Marek Vasut
2009-03-28 12:37:42 +01:00
committed by Eric Miao
parent 8c8aa5fa30
commit 81854f82c5
7 changed files with 109 additions and 12 deletions
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36
arch/arm/mach-pxa/palmld.c
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@@ -24,6 +24,7 @@
#include <linux/gpio.h>
#include <linux/wm97xx_batt.h>
#include <linux/power_supply.h>
#include <linux/sysdev.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -68,10 +69,10 @@ static unsigned long palmld_pin_config[] __initdata = {
GPIO47_FICP_TXD,
/* MATRIX KEYPAD */
GPIO100_KP_MKIN_0,
GPIO101_KP_MKIN_1,
GPIO102_KP_MKIN_2,
GPIO97_KP_MKIN_3,
GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
GPIO103_KP_MKOUT_0,
GPIO104_KP_MKOUT_1,
GPIO105_KP_MKOUT_2,
@@ -506,6 +507,33 @@ static struct pxafb_mach_info palmld_lcd_screen = {
.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
};
/******************************************************************************
* Power management - standby
******************************************************************************/
#ifdef CONFIG_PM
static u32 *addr __initdata;
static u32 resume[3] __initdata = {
0xe3a00101, /* mov r0, #0x40000000 */
0xe380060f, /* orr r0, r0, #0x00f00000 */
0xe590f008, /* ldr pc, [r0, #0x08] */
};
static int __init palmld_pm_init(void)
{
int i;
/* this is where the bootloader jumps */
addr = phys_to_virt(PALMLD_STR_BASE);
for (i = 0; i < 3; i++)
addr[i] = resume[i];
return 0;
}
device_initcall(palmld_pm_init);
#endif
/******************************************************************************
* Machine init
******************************************************************************/