Each i.MX has its own gpio.h, defining the same structure.
The internal GPIO controller has the same layout
(at least for the register used by u-boot) and can be shared.
Signed-off-by: Stefano Babic <sbabic@denx.de>
Tested-by: Matt Sealey <matt@genesi-usa.com>
#ifndef __ASM_ARCH_MX25_GPIO_H
#define __ASM_ARCH_MX25_GPIO_H
-/* Converts a GPIO port number and the internal bit position
- * to the GPIO number
- */
-#define MXC_GPIO_PORT_TO_NUM(port, bit) (((port - 1) << 5) + (bit & 0x1f))
-
-/* GPIO registers */
-struct gpio_regs {
- u32 gpio_dr; /* data */
- u32 gpio_dir; /* direction */
- u32 psr; /* pad satus */
- u32 icr1; /* interrupt config 1 */
- u32 icr2; /* interrupt config 2 */
- u32 imr; /* interrupt mask */
- u32 isr; /* interrupt status */
- u32 edge_sel; /* edge select */
-};
+#include <asm/imx-common/gpio.h>
#endif
#ifndef __ASM_ARCH_MX31_GPIO_H
#define __ASM_ARCH_MX31_GPIO_H
-/* GPIO Registers */
-struct gpio_regs {
- u32 gpio_dr;
- u32 gpio_dir;
- u32 gpio_psr;
-};
+#include <asm/imx-common/gpio.h>
#endif
#ifndef __ASM_ARCH_MX35_GPIO_H
#define __ASM_ARCH_MX35_GPIO_H
-/* GPIO registers */
-struct gpio_regs {
- u32 gpio_dr; /* data */
- u32 gpio_dir; /* direction */
- u32 psr; /* pad satus */
- u32 icr1; /* interrupt config 1 */
- u32 icr2; /* interrupt config 2 */
- u32 imr; /* interrupt mask */
- u32 isr; /* interrupt status */
- u32 edge_sel; /* edge select */
-};
+#include <asm/imx-common/gpio.h>
#endif
#ifndef __ASM_ARCH_MX5_GPIO_H
#define __ASM_ARCH_MX5_GPIO_H
-/* GPIO registers */
-struct gpio_regs {
- u32 gpio_dr;
- u32 gpio_dir;
- u32 gpio_psr;
-};
+#include <asm/imx-common/gpio.h>
#endif
#ifndef __ASM_ARCH_MX6_GPIO_H
#define __ASM_ARCH_MX6_GPIO_H
-/* GPIO registers */
-struct gpio_regs {
- u32 gpio_dr;
- u32 gpio_dir;
- u32 gpio_psr;
-};
+#include <asm/imx-common/gpio.h>
#endif /* __ASM_ARCH_MX6_GPIO_H */
#define IMX_IIM_BASE OCOTP_BASE_ADDR
#define FEC_QUIRK_ENET_MAC
-#define GPIO_NUMBER(port, index) ((((port)-1)*32)+((index)&31))
-
#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
#include <asm/types.h>
--- /dev/null
+/*
+ * Copyright (C) 2011
+ * Stefano Babic, DENX Software Engineering, <sbabic@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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_IMX_GPIO_H
+#define __ASM_ARCH_IMX_GPIO_H
+
+#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
+/* GPIO registers */
+struct gpio_regs {
+ u32 gpio_dr; /* data */
+ u32 gpio_dir; /* direction */
+ u32 gpio_psr; /* pad satus */
+};
+#endif
+
+#define IMX_GPIO_NR(port, index) ((((port)-1)*32)+((index)&31))
+
+#endif
.scl = {
.i2c_mode = MX6Q_PAD_EIM_D21__I2C1_SCL | PC,
.gpio_mode = MX6Q_PAD_EIM_D21__GPIO_3_21 | PC,
- .gp = GPIO_NUMBER(3, 21)
+ .gp = IMX_GPIO_NR(3, 21)
},
.sda = {
.i2c_mode = MX6Q_PAD_EIM_D28__I2C1_SDA | PC,
.gpio_mode = MX6Q_PAD_EIM_D28__GPIO_3_28 | PC,
- .gp = GPIO_NUMBER(3, 28)
+ .gp = IMX_GPIO_NR(3, 28)
}
};
.scl = {
.i2c_mode = MX6Q_PAD_KEY_COL3__I2C2_SCL | PC,
.gpio_mode = MX6Q_PAD_KEY_COL3__GPIO_4_12 | PC,
- .gp = GPIO_NUMBER(4, 12)
+ .gp = IMX_GPIO_NR(4, 12)
},
.sda = {
.i2c_mode = MX6Q_PAD_KEY_ROW3__I2C2_SDA | PC,
.gpio_mode = MX6Q_PAD_KEY_ROW3__GPIO_4_13 | PC,
- .gp = GPIO_NUMBER(4, 13)
+ .gp = IMX_GPIO_NR(4, 13)
}
};
.scl = {
.i2c_mode = MX6Q_PAD_GPIO_5__I2C3_SCL | PC,
.gpio_mode = MX6Q_PAD_GPIO_5__GPIO_1_5 | PC,
- .gp = GPIO_NUMBER(1, 5)
+ .gp = IMX_GPIO_NR(1, 5)
},
.sda = {
.i2c_mode = MX6Q_PAD_GPIO_16__I2C3_SDA | PC,
.gpio_mode = MX6Q_PAD_GPIO_16__GPIO_7_11 | PC,
- .gp = GPIO_NUMBER(7, 11)
+ .gp = IMX_GPIO_NR(7, 11)
}
};
imx_iomux_v3_setup_multiple_pads(usb_pads, ARRAY_SIZE(usb_pads));
/* Reset USB hub */
- gpio_direction_output(GPIO_NUMBER(7, 12), 0);
+ gpio_direction_output(IMX_GPIO_NR(7, 12), 0);
mdelay(2);
- gpio_set_value(GPIO_NUMBER(7, 12), 1);
+ gpio_set_value(IMX_GPIO_NR(7, 12), 1);
return 0;
}
};
static struct button_key const buttons[] = {
- {"back", GPIO_NUMBER(2, 2), 'B'},
- {"home", GPIO_NUMBER(2, 4), 'H'},
- {"menu", GPIO_NUMBER(2, 1), 'M'},
- {"search", GPIO_NUMBER(2, 3), 'S'},
- {"volup", GPIO_NUMBER(7, 13), 'V'},
- {"voldown", GPIO_NUMBER(4, 5), 'v'},
+ {"back", IMX_GPIO_NR(2, 2), 'B'},
+ {"home", IMX_GPIO_NR(2, 4), 'H'},
+ {"menu", IMX_GPIO_NR(2, 1), 'M'},
+ {"search", IMX_GPIO_NR(2, 3), 'S'},
+ {"volup", IMX_GPIO_NR(7, 13), 'V'},
+ {"voldown", IMX_GPIO_NR(4, 5), 'v'},
};
/*
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_FEC_MXC
-#define GPIO_FEC_RESET_B MXC_GPIO_PORT_TO_NUM(4, 7)
-#define GPIO_FEC_ENABLE_B MXC_GPIO_PORT_TO_NUM(4, 9)
+#define GPIO_FEC_RESET_B IMX_GPIO_NR(4, 7)
+#define GPIO_FEC_ENABLE_B IMX_GPIO_NR(4, 9)
void tx25_fec_init(void)
{
struct iomuxc_mux_ctl *muxctl;
/*
* set each to 1 and make each an output
*/
- gpio_direction_output(MXC_GPIO_PORT_TO_NUM(3, 10), 1);
- gpio_direction_output(MXC_GPIO_PORT_TO_NUM(3, 11), 1);
- gpio_direction_output(MXC_GPIO_PORT_TO_NUM(3, 12), 1);
+ gpio_direction_output(IMX_GPIO_NR(3, 10), 1);
+ gpio_direction_output(IMX_GPIO_NR(3, 11), 1);
+ gpio_direction_output(IMX_GPIO_NR(3, 12), 1);
mdelay(22); /* this value came from RedBoot */
/* Setup of core volatage selection pin to run at 1.4V */
writel(gpio_mux_mode5, &muxctl->pad_ext_armclk); /* VCORE GPIO3[15] */
- gpio_direction_output(MXC_GPIO_PORT_TO_NUM(3, 15), 1);
+ gpio_direction_output(IMX_GPIO_NR(3, 15), 1);
/* Setup of input daisy chains for SD card pins*/
writel(gpio_mux_mode0_sion, &muxctl->pad_sd1_cmd);
/* Setup of digital output for USB power and OC */
writel(gpio_mux_mode5, &muxctl->pad_csi_d3); /* USB Power GPIO1[28] */
- gpio_direction_output(MXC_GPIO_PORT_TO_NUM(1, 28), 1);
+ gpio_direction_output(IMX_GPIO_NR(1, 28), 1);
writel(gpio_mux_mode5, &muxctl->pad_csi_d2); /* USB OC GPIO1[27] */
- gpio_direction_input(MXC_GPIO_PORT_TO_NUM(1, 18));
+ gpio_direction_input(IMX_GPIO_NR(1, 18));
/* Setup of digital output control pins */
writel(gpio_mux_mode5, &muxctl->pad_csi_d8); /* Ouput 1 Ctrl GPIO1[7] */
writel(0, &padctl->pad_csi_d5); /* Ouput 2 Stat pull up off */
/* Switch both output drivers off */
- gpio_direction_output(MXC_GPIO_PORT_TO_NUM(1, 7), 0);
- gpio_direction_output(MXC_GPIO_PORT_TO_NUM(1, 6), 0);
+ gpio_direction_output(IMX_GPIO_NR(1, 7), 0);
+ gpio_direction_output(IMX_GPIO_NR(1, 6), 0);
/* Setup of key input pin GPIO2[29]*/
writel(gpio_mux_mode5 | MX25_PIN_MUX_SION, &muxctl->pad_kpp_row0);
writel(0, &padctl->pad_kpp_row0); /* Key pull up off */
- gpio_direction_input(MXC_GPIO_PORT_TO_NUM(2, 29));
+ gpio_direction_input(IMX_GPIO_NR(2, 29));
/* Setup of status LED outputs */
writel(gpio_mux_mode5, &muxctl->pad_csi_d9); /* GPIO4[21] */
writel(gpio_mux_mode5, &muxctl->pad_csi_d4); /* GPIO1[29] */
/* Switch both LEDs off */
- gpio_direction_output(MXC_GPIO_PORT_TO_NUM(4, 21), 0);
- gpio_direction_output(MXC_GPIO_PORT_TO_NUM(1, 29), 0);
+ gpio_direction_output(IMX_GPIO_NR(4, 21), 0);
+ gpio_direction_output(IMX_GPIO_NR(1, 29), 0);
/* Setup of CAN1 and CAN2 signals */
writel(gpio_mux_mode6, &muxctl->pad_gpio_a); /* CAN1 TX */
writel(gpio_mux_mode2, &muxctl->pad_uart2_cts);
/* assert PHY reset (low) */
- gpio_direction_output(MXC_GPIO_PORT_TO_NUM(3, 16), 0);
+ gpio_direction_output(IMX_GPIO_NR(3, 16), 0);
udelay(5000);
/* deassert PHY reset */
- gpio_set_value(MXC_GPIO_PORT_TO_NUM(3, 16), 1);
+ gpio_set_value(IMX_GPIO_NR(3, 16), 1);
udelay(5000);
#endif
e = getenv("gs_base_board");
if (e != NULL) {
if (strcmp(e, "G283") == 0) {
- int key = gpio_get_value(MXC_GPIO_PORT_TO_NUM(2, 29));
+ int key = gpio_get_value(IMX_GPIO_NR(2, 29));
if (key) {
/* Switch on both LEDs to inidcate boot mode */
- gpio_set_value(MXC_GPIO_PORT_TO_NUM(1, 29), 0);
- gpio_set_value(MXC_GPIO_PORT_TO_NUM(4, 21), 0);
+ gpio_set_value(IMX_GPIO_NR(1, 29), 0);
+ gpio_set_value(IMX_GPIO_NR(4, 21), 0);
setenv("preboot", "run gs_slow_boot");
} else
#define CONFIG_MACH_TYPE 3769
#include <asm/arch/imx-regs.h>
+#include <asm/imx-common/gpio.h>
#define CONFIG_CMDLINE_TAG
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_SPI_FLASH_SST
#define CONFIG_MXC_SPI
#define CONFIG_SF_DEFAULT_BUS 0
-#define CONFIG_SF_DEFAULT_CS (0|(GPIO_NUMBER(3, 19)<<8))
+#define CONFIG_SF_DEFAULT_CS (0|(IMX_GPIO_NR(3, 19)<<8))
#define CONFIG_SF_DEFAULT_SPEED 25000000
#define CONFIG_SF_DEFAULT_MODE (SPI_MODE_0)
#endif
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