summaryrefslogtreecommitdiffstats
path: root/include/linux/platform_data/gpio-omap.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/platform_data/gpio-omap.h')
-rw-r--r--include/linux/platform_data/gpio-omap.h217
1 files changed, 217 insertions, 0 deletions
diff --git a/include/linux/platform_data/gpio-omap.h b/include/linux/platform_data/gpio-omap.h
new file mode 100644
index 000000000000..e8741c2678d5
--- /dev/null
+++ b/include/linux/platform_data/gpio-omap.h
@@ -0,0 +1,217 @@
+/*
+ * OMAP GPIO handling defines and functions
+ *
+ * Copyright (C) 2003-2005 Nokia Corporation
+ *
+ * Written by Juha Yrjölä <juha.yrjola@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ASM_ARCH_OMAP_GPIO_H
+#define __ASM_ARCH_OMAP_GPIO_H
+
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <mach/irqs.h>
+
+#define OMAP1_MPUIO_BASE 0xfffb5000
+
+/*
+ * These are the omap15xx/16xx offsets. The omap7xx offset are
+ * OMAP_MPUIO_ / 2 offsets below.
+ */
+#define OMAP_MPUIO_INPUT_LATCH 0x00
+#define OMAP_MPUIO_OUTPUT 0x04
+#define OMAP_MPUIO_IO_CNTL 0x08
+#define OMAP_MPUIO_KBR_LATCH 0x10
+#define OMAP_MPUIO_KBC 0x14
+#define OMAP_MPUIO_GPIO_EVENT_MODE 0x18
+#define OMAP_MPUIO_GPIO_INT_EDGE 0x1c
+#define OMAP_MPUIO_KBD_INT 0x20
+#define OMAP_MPUIO_GPIO_INT 0x24
+#define OMAP_MPUIO_KBD_MASKIT 0x28
+#define OMAP_MPUIO_GPIO_MASKIT 0x2c
+#define OMAP_MPUIO_GPIO_DEBOUNCING 0x30
+#define OMAP_MPUIO_LATCH 0x34
+
+#define OMAP34XX_NR_GPIOS 6
+
+/*
+ * OMAP1510 GPIO registers
+ */
+#define OMAP1510_GPIO_DATA_INPUT 0x00
+#define OMAP1510_GPIO_DATA_OUTPUT 0x04
+#define OMAP1510_GPIO_DIR_CONTROL 0x08
+#define OMAP1510_GPIO_INT_CONTROL 0x0c
+#define OMAP1510_GPIO_INT_MASK 0x10
+#define OMAP1510_GPIO_INT_STATUS 0x14
+#define OMAP1510_GPIO_PIN_CONTROL 0x18
+
+#define OMAP1510_IH_GPIO_BASE 64
+
+/*
+ * OMAP1610 specific GPIO registers
+ */
+#define OMAP1610_GPIO_REVISION 0x0000
+#define OMAP1610_GPIO_SYSCONFIG 0x0010
+#define OMAP1610_GPIO_SYSSTATUS 0x0014
+#define OMAP1610_GPIO_IRQSTATUS1 0x0018
+#define OMAP1610_GPIO_IRQENABLE1 0x001c
+#define OMAP1610_GPIO_WAKEUPENABLE 0x0028
+#define OMAP1610_GPIO_DATAIN 0x002c
+#define OMAP1610_GPIO_DATAOUT 0x0030
+#define OMAP1610_GPIO_DIRECTION 0x0034
+#define OMAP1610_GPIO_EDGE_CTRL1 0x0038
+#define OMAP1610_GPIO_EDGE_CTRL2 0x003c
+#define OMAP1610_GPIO_CLEAR_IRQENABLE1 0x009c
+#define OMAP1610_GPIO_CLEAR_WAKEUPENA 0x00a8
+#define OMAP1610_GPIO_CLEAR_DATAOUT 0x00b0
+#define OMAP1610_GPIO_SET_IRQENABLE1 0x00dc
+#define OMAP1610_GPIO_SET_WAKEUPENA 0x00e8
+#define OMAP1610_GPIO_SET_DATAOUT 0x00f0
+
+/*
+ * OMAP7XX specific GPIO registers
+ */
+#define OMAP7XX_GPIO_DATA_INPUT 0x00
+#define OMAP7XX_GPIO_DATA_OUTPUT 0x04
+#define OMAP7XX_GPIO_DIR_CONTROL 0x08
+#define OMAP7XX_GPIO_INT_CONTROL 0x0c
+#define OMAP7XX_GPIO_INT_MASK 0x10
+#define OMAP7XX_GPIO_INT_STATUS 0x14
+
+/*
+ * omap2+ specific GPIO registers
+ */
+#define OMAP24XX_GPIO_REVISION 0x0000
+#define OMAP24XX_GPIO_IRQSTATUS1 0x0018
+#define OMAP24XX_GPIO_IRQSTATUS2 0x0028
+#define OMAP24XX_GPIO_IRQENABLE2 0x002c
+#define OMAP24XX_GPIO_IRQENABLE1 0x001c
+#define OMAP24XX_GPIO_WAKE_EN 0x0020
+#define OMAP24XX_GPIO_CTRL 0x0030
+#define OMAP24XX_GPIO_OE 0x0034
+#define OMAP24XX_GPIO_DATAIN 0x0038
+#define OMAP24XX_GPIO_DATAOUT 0x003c
+#define OMAP24XX_GPIO_LEVELDETECT0 0x0040
+#define OMAP24XX_GPIO_LEVELDETECT1 0x0044
+#define OMAP24XX_GPIO_RISINGDETECT 0x0048
+#define OMAP24XX_GPIO_FALLINGDETECT 0x004c
+#define OMAP24XX_GPIO_DEBOUNCE_EN 0x0050
+#define OMAP24XX_GPIO_DEBOUNCE_VAL 0x0054
+#define OMAP24XX_GPIO_CLEARIRQENABLE1 0x0060
+#define OMAP24XX_GPIO_SETIRQENABLE1 0x0064
+#define OMAP24XX_GPIO_CLEARWKUENA 0x0080
+#define OMAP24XX_GPIO_SETWKUENA 0x0084
+#define OMAP24XX_GPIO_CLEARDATAOUT 0x0090
+#define OMAP24XX_GPIO_SETDATAOUT 0x0094
+
+#define OMAP4_GPIO_REVISION 0x0000
+#define OMAP4_GPIO_EOI 0x0020
+#define OMAP4_GPIO_IRQSTATUSRAW0 0x0024
+#define OMAP4_GPIO_IRQSTATUSRAW1 0x0028
+#define OMAP4_GPIO_IRQSTATUS0 0x002c
+#define OMAP4_GPIO_IRQSTATUS1 0x0030
+#define OMAP4_GPIO_IRQSTATUSSET0 0x0034
+#define OMAP4_GPIO_IRQSTATUSSET1 0x0038
+#define OMAP4_GPIO_IRQSTATUSCLR0 0x003c
+#define OMAP4_GPIO_IRQSTATUSCLR1 0x0040
+#define OMAP4_GPIO_IRQWAKEN0 0x0044
+#define OMAP4_GPIO_IRQWAKEN1 0x0048
+#define OMAP4_GPIO_IRQENABLE1 0x011c
+#define OMAP4_GPIO_WAKE_EN 0x0120
+#define OMAP4_GPIO_IRQSTATUS2 0x0128
+#define OMAP4_GPIO_IRQENABLE2 0x012c
+#define OMAP4_GPIO_CTRL 0x0130
+#define OMAP4_GPIO_OE 0x0134
+#define OMAP4_GPIO_DATAIN 0x0138
+#define OMAP4_GPIO_DATAOUT 0x013c
+#define OMAP4_GPIO_LEVELDETECT0 0x0140
+#define OMAP4_GPIO_LEVELDETECT1 0x0144
+#define OMAP4_GPIO_RISINGDETECT 0x0148
+#define OMAP4_GPIO_FALLINGDETECT 0x014c
+#define OMAP4_GPIO_DEBOUNCENABLE 0x0150
+#define OMAP4_GPIO_DEBOUNCINGTIME 0x0154
+#define OMAP4_GPIO_CLEARIRQENABLE1 0x0160
+#define OMAP4_GPIO_SETIRQENABLE1 0x0164
+#define OMAP4_GPIO_CLEARWKUENA 0x0180
+#define OMAP4_GPIO_SETWKUENA 0x0184
+#define OMAP4_GPIO_CLEARDATAOUT 0x0190
+#define OMAP4_GPIO_SETDATAOUT 0x0194
+
+#define OMAP_MAX_GPIO_LINES 192
+
+#define OMAP_MPUIO(nr) (OMAP_MAX_GPIO_LINES + (nr))
+#define OMAP_GPIO_IS_MPUIO(nr) ((nr) >= OMAP_MAX_GPIO_LINES)
+
+struct omap_gpio_dev_attr {
+ int bank_width; /* GPIO bank width */
+ bool dbck_flag; /* dbck required or not - True for OMAP3&4 */
+};
+
+struct omap_gpio_reg_offs {
+ u16 revision;
+ u16 direction;
+ u16 datain;
+ u16 dataout;
+ u16 set_dataout;
+ u16 clr_dataout;
+ u16 irqstatus;
+ u16 irqstatus2;
+ u16 irqstatus_raw0;
+ u16 irqstatus_raw1;
+ u16 irqenable;
+ u16 irqenable2;
+ u16 set_irqenable;
+ u16 clr_irqenable;
+ u16 debounce;
+ u16 debounce_en;
+ u16 ctrl;
+ u16 wkup_en;
+ u16 leveldetect0;
+ u16 leveldetect1;
+ u16 risingdetect;
+ u16 fallingdetect;
+ u16 irqctrl;
+ u16 edgectrl1;
+ u16 edgectrl2;
+ u16 pinctrl;
+
+ bool irqenable_inv;
+};
+
+struct omap_gpio_platform_data {
+ int bank_type;
+ int bank_width; /* GPIO bank width */
+ int bank_stride; /* Only needed for omap1 MPUIO */
+ bool dbck_flag; /* dbck required or not - True for OMAP3&4 */
+ bool loses_context; /* whether the bank would ever lose context */
+ bool is_mpuio; /* whether the bank is of type MPUIO */
+ u32 non_wakeup_gpios;
+
+ struct omap_gpio_reg_offs *regs;
+
+ /* Return context loss count due to PM states changing */
+ int (*get_context_loss_count)(struct device *dev);
+};
+
+extern void omap2_gpio_prepare_for_idle(int off_mode);
+extern void omap2_gpio_resume_after_idle(void);
+extern void omap_set_gpio_debounce(int gpio, int enable);
+extern void omap_set_gpio_debounce_time(int gpio, int enable);
+
+#endif
OpenPOWER on IntegriCloud