#define BYT_INT_STAT_REG 0x800
/* BYT_CONF0_REG register bits */
+#define BYT_IODEN BIT(31)
#define BYT_TRIG_NEG BIT(26)
#define BYT_TRIG_POS BIT(25)
#define BYT_TRIG_LVL BIT(24)
+#define BYT_PULL_STR_SHIFT 9
+#define BYT_PULL_STR_MASK (3 << BYT_PULL_STR_SHIFT)
+#define BYT_PULL_STR_2K (0 << BYT_PULL_STR_SHIFT)
+#define BYT_PULL_STR_10K (1 << BYT_PULL_STR_SHIFT)
+#define BYT_PULL_STR_20K (2 << BYT_PULL_STR_SHIFT)
+#define BYT_PULL_STR_40K (3 << BYT_PULL_STR_SHIFT)
+#define BYT_PULL_ASSIGN_SHIFT 7
+#define BYT_PULL_ASSIGN_MASK (3 << BYT_PULL_ASSIGN_SHIFT)
+#define BYT_PULL_ASSIGN_UP (1 << BYT_PULL_ASSIGN_SHIFT)
+#define BYT_PULL_ASSIGN_DOWN (2 << BYT_PULL_ASSIGN_SHIFT)
#define BYT_PIN_MUX 0x07
/* BYT_VAL_REG register bits */
spin_lock_irqsave(&vg->lock, flags);
for (i = 0; i < vg->chip.ngpio; i++) {
+ const char *pull_str = NULL;
+ const char *pull = NULL;
const char *label;
offs = vg->range->pins[i] * 16;
conf0 = readl(vg->reg_base + offs + BYT_CONF0_REG);
if (!label)
label = "Unrequested";
+ switch (conf0 & BYT_PULL_ASSIGN_MASK) {
+ case BYT_PULL_ASSIGN_UP:
+ pull = "up";
+ break;
+ case BYT_PULL_ASSIGN_DOWN:
+ pull = "down";
+ break;
+ }
+
+ switch (conf0 & BYT_PULL_STR_MASK) {
+ case BYT_PULL_STR_2K:
+ pull_str = "2k";
+ break;
+ case BYT_PULL_STR_10K:
+ pull_str = "10k";
+ break;
+ case BYT_PULL_STR_20K:
+ pull_str = "20k";
+ break;
+ case BYT_PULL_STR_40K:
+ pull_str = "40k";
+ break;
+ }
+
seq_printf(s,
- " gpio-%-3d (%-20.20s) %s %s %s pad-%-3d offset:0x%03x mux:%d %s%s%s\n",
+ " gpio-%-3d (%-20.20s) %s %s %s pad-%-3d offset:0x%03x mux:%d %s%s%s",
i,
label,
val & BYT_INPUT_EN ? " " : "in",
val & BYT_LEVEL ? "hi" : "lo",
vg->range->pins[i], offs,
conf0 & 0x7,
- conf0 & BYT_TRIG_NEG ? " fall" : "",
- conf0 & BYT_TRIG_POS ? " rise" : "",
- conf0 & BYT_TRIG_LVL ? " level" : "");
+ conf0 & BYT_TRIG_NEG ? " fall" : " ",
+ conf0 & BYT_TRIG_POS ? " rise" : " ",
+ conf0 & BYT_TRIG_LVL ? " level" : " ");
+
+ if (pull && pull_str)
+ seq_printf(s, " %-4s %-3s", pull, pull_str);
+ else
+ seq_puts(s, " ");
+
+ if (conf0 & BYT_IODEN)
+ seq_puts(s, " open-drain");
+
+ seq_puts(s, "\n");
}
spin_unlock_irqrestore(&vg->lock, flags);
}
gc->can_sleep = false;
gc->dev = dev;
- ret = gpiochip_add(gc);
- if (ret) {
- dev_err(&pdev->dev, "failed adding byt-gpio chip\n");
- return ret;
- }
-
/* set up interrupts */
irq_rc = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (irq_rc && irq_rc->start) {
irq_set_chained_handler(hwirq, byt_gpio_irq_handler);
}
+ ret = gpiochip_add(gc);
+ if (ret) {
+ dev_err(&pdev->dev, "failed adding byt-gpio chip\n");
+ return ret;
+ }
+
pm_runtime_enable(dev);
return 0;
static const struct acpi_device_id byt_gpio_acpi_match[] = {
{ "INT33B2", 0 },
+ { "INT33FC", 0 },
{ }
};
MODULE_DEVICE_TABLE(acpi, byt_gpio_acpi_match);