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Diffstat (limited to 'arch/arm/mach-omap2/gpio.c')
-rw-r--r--arch/arm/mach-omap2/gpio.c36
1 files changed, 30 insertions, 6 deletions
diff --git a/arch/arm/mach-omap2/gpio.c b/arch/arm/mach-omap2/gpio.c
index 8cbfbc2918ce..1e0b750afcaa 100644
--- a/arch/arm/mach-omap2/gpio.c
+++ b/arch/arm/mach-omap2/gpio.c
@@ -23,6 +23,9 @@
23 23
24#include <plat/omap_hwmod.h> 24#include <plat/omap_hwmod.h>
25#include <plat/omap_device.h> 25#include <plat/omap_device.h>
26#include <plat/omap-pm.h>
27
28#include "powerdomain.h"
26 29
27static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused) 30static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused)
28{ 31{
@@ -31,6 +34,7 @@ static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused)
31 struct omap_gpio_dev_attr *dev_attr; 34 struct omap_gpio_dev_attr *dev_attr;
32 char *name = "omap_gpio"; 35 char *name = "omap_gpio";
33 int id; 36 int id;
37 struct powerdomain *pwrdm;
34 38
35 /* 39 /*
36 * extract the device id from name field available in the 40 * extract the device id from name field available in the
@@ -52,7 +56,7 @@ static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused)
52 pdata->bank_width = dev_attr->bank_width; 56 pdata->bank_width = dev_attr->bank_width;
53 pdata->dbck_flag = dev_attr->dbck_flag; 57 pdata->dbck_flag = dev_attr->dbck_flag;
54 pdata->virtual_irq_start = IH_GPIO_BASE + 32 * (id - 1); 58 pdata->virtual_irq_start = IH_GPIO_BASE + 32 * (id - 1);
55 59 pdata->get_context_loss_count = omap_pm_get_dev_context_loss_count;
56 pdata->regs = kzalloc(sizeof(struct omap_gpio_reg_offs), GFP_KERNEL); 60 pdata->regs = kzalloc(sizeof(struct omap_gpio_reg_offs), GFP_KERNEL);
57 if (!pdata) { 61 if (!pdata) {
58 pr_err("gpio%d: Memory allocation failed\n", id); 62 pr_err("gpio%d: Memory allocation failed\n", id);
@@ -61,8 +65,15 @@ static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused)
61 65
62 switch (oh->class->rev) { 66 switch (oh->class->rev) {
63 case 0: 67 case 0:
68 if (id == 1)
69 /* non-wakeup GPIO pins for OMAP2 Bank1 */
70 pdata->non_wakeup_gpios = 0xe203ffc0;
71 else if (id == 2)
72 /* non-wakeup GPIO pins for OMAP2 Bank2 */
73 pdata->non_wakeup_gpios = 0x08700040;
74 /* fall through */
75
64 case 1: 76 case 1:
65 pdata->bank_type = METHOD_GPIO_24XX;
66 pdata->regs->revision = OMAP24XX_GPIO_REVISION; 77 pdata->regs->revision = OMAP24XX_GPIO_REVISION;
67 pdata->regs->direction = OMAP24XX_GPIO_OE; 78 pdata->regs->direction = OMAP24XX_GPIO_OE;
68 pdata->regs->datain = OMAP24XX_GPIO_DATAIN; 79 pdata->regs->datain = OMAP24XX_GPIO_DATAIN;
@@ -72,13 +83,19 @@ static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused)
72 pdata->regs->irqstatus = OMAP24XX_GPIO_IRQSTATUS1; 83 pdata->regs->irqstatus = OMAP24XX_GPIO_IRQSTATUS1;
73 pdata->regs->irqstatus2 = OMAP24XX_GPIO_IRQSTATUS2; 84 pdata->regs->irqstatus2 = OMAP24XX_GPIO_IRQSTATUS2;
74 pdata->regs->irqenable = OMAP24XX_GPIO_IRQENABLE1; 85 pdata->regs->irqenable = OMAP24XX_GPIO_IRQENABLE1;
86 pdata->regs->irqenable2 = OMAP24XX_GPIO_IRQENABLE2;
75 pdata->regs->set_irqenable = OMAP24XX_GPIO_SETIRQENABLE1; 87 pdata->regs->set_irqenable = OMAP24XX_GPIO_SETIRQENABLE1;
76 pdata->regs->clr_irqenable = OMAP24XX_GPIO_CLEARIRQENABLE1; 88 pdata->regs->clr_irqenable = OMAP24XX_GPIO_CLEARIRQENABLE1;
77 pdata->regs->debounce = OMAP24XX_GPIO_DEBOUNCE_VAL; 89 pdata->regs->debounce = OMAP24XX_GPIO_DEBOUNCE_VAL;
78 pdata->regs->debounce_en = OMAP24XX_GPIO_DEBOUNCE_EN; 90 pdata->regs->debounce_en = OMAP24XX_GPIO_DEBOUNCE_EN;
91 pdata->regs->ctrl = OMAP24XX_GPIO_CTRL;
92 pdata->regs->wkup_en = OMAP24XX_GPIO_WAKE_EN;
93 pdata->regs->leveldetect0 = OMAP24XX_GPIO_LEVELDETECT0;
94 pdata->regs->leveldetect1 = OMAP24XX_GPIO_LEVELDETECT1;
95 pdata->regs->risingdetect = OMAP24XX_GPIO_RISINGDETECT;
96 pdata->regs->fallingdetect = OMAP24XX_GPIO_FALLINGDETECT;
79 break; 97 break;
80 case 2: 98 case 2:
81 pdata->bank_type = METHOD_GPIO_44XX;
82 pdata->regs->revision = OMAP4_GPIO_REVISION; 99 pdata->regs->revision = OMAP4_GPIO_REVISION;
83 pdata->regs->direction = OMAP4_GPIO_OE; 100 pdata->regs->direction = OMAP4_GPIO_OE;
84 pdata->regs->datain = OMAP4_GPIO_DATAIN; 101 pdata->regs->datain = OMAP4_GPIO_DATAIN;
@@ -88,10 +105,17 @@ static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused)
88 pdata->regs->irqstatus = OMAP4_GPIO_IRQSTATUS0; 105 pdata->regs->irqstatus = OMAP4_GPIO_IRQSTATUS0;
89 pdata->regs->irqstatus2 = OMAP4_GPIO_IRQSTATUS1; 106 pdata->regs->irqstatus2 = OMAP4_GPIO_IRQSTATUS1;
90 pdata->regs->irqenable = OMAP4_GPIO_IRQSTATUSSET0; 107 pdata->regs->irqenable = OMAP4_GPIO_IRQSTATUSSET0;
108 pdata->regs->irqenable2 = OMAP4_GPIO_IRQSTATUSSET1;
91 pdata->regs->set_irqenable = OMAP4_GPIO_IRQSTATUSSET0; 109 pdata->regs->set_irqenable = OMAP4_GPIO_IRQSTATUSSET0;
92 pdata->regs->clr_irqenable = OMAP4_GPIO_IRQSTATUSCLR0; 110 pdata->regs->clr_irqenable = OMAP4_GPIO_IRQSTATUSCLR0;
93 pdata->regs->debounce = OMAP4_GPIO_DEBOUNCINGTIME; 111 pdata->regs->debounce = OMAP4_GPIO_DEBOUNCINGTIME;
94 pdata->regs->debounce_en = OMAP4_GPIO_DEBOUNCENABLE; 112 pdata->regs->debounce_en = OMAP4_GPIO_DEBOUNCENABLE;
113 pdata->regs->ctrl = OMAP4_GPIO_CTRL;
114 pdata->regs->wkup_en = OMAP4_GPIO_IRQWAKEN0;
115 pdata->regs->leveldetect0 = OMAP4_GPIO_LEVELDETECT0;
116 pdata->regs->leveldetect1 = OMAP4_GPIO_LEVELDETECT1;
117 pdata->regs->risingdetect = OMAP4_GPIO_RISINGDETECT;
118 pdata->regs->fallingdetect = OMAP4_GPIO_FALLINGDETECT;
95 break; 119 break;
96 default: 120 default:
97 WARN(1, "Invalid gpio bank_type\n"); 121 WARN(1, "Invalid gpio bank_type\n");
@@ -99,6 +123,9 @@ static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused)
99 return -EINVAL; 123 return -EINVAL;
100 } 124 }
101 125
126 pwrdm = omap_hwmod_get_pwrdm(oh);
127 pdata->loses_context = pwrdm_can_ever_lose_context(pwrdm);
128
102 pdev = omap_device_build(name, id - 1, oh, pdata, 129 pdev = omap_device_build(name, id - 1, oh, pdata,
103 sizeof(*pdata), NULL, 0, false); 130 sizeof(*pdata), NULL, 0, false);
104 kfree(pdata); 131 kfree(pdata);
@@ -109,9 +136,6 @@ static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused)
109 return PTR_ERR(pdev); 136 return PTR_ERR(pdev);
110 } 137 }
111 138
112 omap_device_disable_idle_on_suspend(pdev);
113
114 gpio_bank_count++;
115 return 0; 139 return 0;
116} 140}
117 141