Sascha Hauer | e3d13ff | 2008-07-05 10:02:48 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved. |
| 3 | * Copyright 2008 Sascha Hauer, kernel@pengutronix.de |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License |
| 7 | * as published by the Free Software Foundation; either version 2 |
| 8 | * of the License, or (at your option) any later version. |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 17 | * Boston, MA 02110-1301, USA. |
| 18 | */ |
| 19 | |
| 20 | #include <linux/module.h> |
| 21 | #include <linux/platform_device.h> |
| 22 | #include <linux/serial.h> |
Juergen Beisert | 07bd1a6 | 2008-07-05 10:02:49 +0200 | [diff] [blame] | 23 | #include <linux/gpio.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame^] | 24 | #include <mach/hardware.h> |
| 25 | #include <mach/imx-uart.h> |
Sascha Hauer | e3d13ff | 2008-07-05 10:02:48 +0200 | [diff] [blame] | 26 | |
| 27 | static struct resource uart0[] = { |
| 28 | { |
| 29 | .start = UART1_BASE_ADDR, |
| 30 | .end = UART1_BASE_ADDR + 0x0B5, |
| 31 | .flags = IORESOURCE_MEM, |
| 32 | }, { |
| 33 | .start = MXC_INT_UART1, |
| 34 | .end = MXC_INT_UART1, |
| 35 | .flags = IORESOURCE_IRQ, |
| 36 | }, |
| 37 | }; |
| 38 | |
| 39 | static struct platform_device mxc_uart_device0 = { |
| 40 | .name = "imx-uart", |
| 41 | .id = 0, |
| 42 | .resource = uart0, |
| 43 | .num_resources = ARRAY_SIZE(uart0), |
| 44 | }; |
| 45 | |
| 46 | static struct resource uart1[] = { |
| 47 | { |
| 48 | .start = UART2_BASE_ADDR, |
| 49 | .end = UART2_BASE_ADDR + 0x0B5, |
| 50 | .flags = IORESOURCE_MEM, |
| 51 | }, { |
| 52 | .start = MXC_INT_UART2, |
| 53 | .end = MXC_INT_UART2, |
| 54 | .flags = IORESOURCE_IRQ, |
| 55 | }, |
| 56 | }; |
| 57 | |
| 58 | static struct platform_device mxc_uart_device1 = { |
| 59 | .name = "imx-uart", |
| 60 | .id = 1, |
| 61 | .resource = uart1, |
| 62 | .num_resources = ARRAY_SIZE(uart1), |
| 63 | }; |
| 64 | |
| 65 | static struct resource uart2[] = { |
| 66 | { |
| 67 | .start = UART3_BASE_ADDR, |
| 68 | .end = UART3_BASE_ADDR + 0x0B5, |
| 69 | .flags = IORESOURCE_MEM, |
| 70 | }, { |
| 71 | .start = MXC_INT_UART3, |
| 72 | .end = MXC_INT_UART3, |
| 73 | .flags = IORESOURCE_IRQ, |
| 74 | }, |
| 75 | }; |
| 76 | |
| 77 | static struct platform_device mxc_uart_device2 = { |
| 78 | .name = "imx-uart", |
| 79 | .id = 2, |
| 80 | .resource = uart2, |
| 81 | .num_resources = ARRAY_SIZE(uart2), |
| 82 | }; |
| 83 | |
| 84 | static struct resource uart3[] = { |
| 85 | { |
| 86 | .start = UART4_BASE_ADDR, |
| 87 | .end = UART4_BASE_ADDR + 0x0B5, |
| 88 | .flags = IORESOURCE_MEM, |
| 89 | }, { |
| 90 | .start = MXC_INT_UART4, |
| 91 | .end = MXC_INT_UART4, |
| 92 | .flags = IORESOURCE_IRQ, |
| 93 | }, |
| 94 | }; |
| 95 | |
| 96 | static struct platform_device mxc_uart_device3 = { |
| 97 | .name = "imx-uart", |
| 98 | .id = 3, |
| 99 | .resource = uart3, |
| 100 | .num_resources = ARRAY_SIZE(uart3), |
| 101 | }; |
| 102 | |
| 103 | static struct resource uart4[] = { |
| 104 | { |
| 105 | .start = UART5_BASE_ADDR, |
| 106 | .end = UART5_BASE_ADDR + 0x0B5, |
| 107 | .flags = IORESOURCE_MEM, |
| 108 | }, { |
| 109 | .start = MXC_INT_UART5, |
| 110 | .end = MXC_INT_UART5, |
| 111 | .flags = IORESOURCE_IRQ, |
| 112 | }, |
| 113 | }; |
| 114 | |
| 115 | static struct platform_device mxc_uart_device4 = { |
| 116 | .name = "imx-uart", |
| 117 | .id = 4, |
| 118 | .resource = uart4, |
| 119 | .num_resources = ARRAY_SIZE(uart4), |
| 120 | }; |
| 121 | |
| 122 | /* |
| 123 | * Register only those UARTs that physically exist |
| 124 | */ |
| 125 | int __init imx_init_uart(int uart_no, struct imxuart_platform_data *pdata) |
| 126 | { |
| 127 | switch (uart_no) { |
| 128 | case 0: |
| 129 | mxc_uart_device0.dev.platform_data = pdata; |
| 130 | platform_device_register(&mxc_uart_device0); |
| 131 | break; |
| 132 | case 1: |
| 133 | mxc_uart_device1.dev.platform_data = pdata; |
| 134 | platform_device_register(&mxc_uart_device1); |
| 135 | break; |
| 136 | case 2: |
| 137 | mxc_uart_device2.dev.platform_data = pdata; |
| 138 | platform_device_register(&mxc_uart_device2); |
| 139 | break; |
| 140 | case 3: |
| 141 | mxc_uart_device3.dev.platform_data = pdata; |
| 142 | platform_device_register(&mxc_uart_device3); |
| 143 | break; |
| 144 | case 4: |
| 145 | mxc_uart_device4.dev.platform_data = pdata; |
| 146 | platform_device_register(&mxc_uart_device4); |
| 147 | break; |
| 148 | default: |
| 149 | return -ENODEV; |
| 150 | } |
| 151 | |
| 152 | return 0; |
| 153 | } |
| 154 | |
Juergen Beisert | 07bd1a6 | 2008-07-05 10:02:49 +0200 | [diff] [blame] | 155 | /* GPIO port description */ |
| 156 | static struct mxc_gpio_port imx_gpio_ports[] = { |
| 157 | [0] = { |
| 158 | .chip.label = "gpio-0", |
| 159 | .base = IO_ADDRESS(GPIO1_BASE_ADDR), |
| 160 | .irq = MXC_INT_GPIO1, |
| 161 | .virtual_irq_start = MXC_GPIO_INT_BASE |
| 162 | }, |
| 163 | [1] = { |
| 164 | .chip.label = "gpio-1", |
| 165 | .base = IO_ADDRESS(GPIO2_BASE_ADDR), |
| 166 | .irq = MXC_INT_GPIO2, |
| 167 | .virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN |
| 168 | }, |
| 169 | [2] = { |
| 170 | .chip.label = "gpio-2", |
| 171 | .base = IO_ADDRESS(GPIO3_BASE_ADDR), |
| 172 | .irq = MXC_INT_GPIO3, |
| 173 | .virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN * 2 |
| 174 | } |
| 175 | }; |
| 176 | |
| 177 | int __init mxc_register_gpios(void) |
| 178 | { |
| 179 | return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports)); |
| 180 | } |