~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/arm/mach-imx/mx31lilly-db.c

Version: ~ [ linux-5.9 ] ~ [ linux-5.8.14 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.70 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.150 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.200 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.238 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.238 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.85 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  *  LILLY-1131 development board support
  3  *
  4  *    Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
  5  *
  6  *  based on code for other MX31 boards,
  7  *
  8  *    Copyright 2005-2007 Freescale Semiconductor
  9  *    Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
 10  *    Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
 11  *
 12  * This program is free software; you can redistribute it and/or modify
 13  * it under the terms of the GNU General Public License as published by
 14  * the Free Software Foundation; either version 2 of the License, or
 15  * (at your option) any later version.
 16  *
 17  * This program is distributed in the hope that it will be useful,
 18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 20  * GNU General Public License for more details.
 21  */
 22 
 23 #include <linux/kernel.h>
 24 #include <linux/types.h>
 25 #include <linux/init.h>
 26 #include <linux/gpio.h>
 27 #include <linux/platform_device.h>
 28 
 29 #include <asm/mach-types.h>
 30 #include <asm/mach/arch.h>
 31 #include <asm/mach/map.h>
 32 
 33 #include "board-mx31lilly.h"
 34 #include "common.h"
 35 #include "devices-imx31.h"
 36 #include "hardware.h"
 37 #include "iomux-mx3.h"
 38 
 39 /*
 40  * This file contains board-specific initialization routines for the
 41  * LILLY-1131 development board. If you design an own baseboard for the
 42  * module, use this file as base for support code.
 43  */
 44 
 45 static unsigned int lilly_db_board_pins[] __initdata = {
 46         MX31_PIN_CTS1__CTS1,
 47         MX31_PIN_RTS1__RTS1,
 48         MX31_PIN_TXD1__TXD1,
 49         MX31_PIN_RXD1__RXD1,
 50         MX31_PIN_CTS2__CTS2,
 51         MX31_PIN_RTS2__RTS2,
 52         MX31_PIN_TXD2__TXD2,
 53         MX31_PIN_RXD2__RXD2,
 54         MX31_PIN_CSPI3_MOSI__RXD3,
 55         MX31_PIN_CSPI3_MISO__TXD3,
 56         MX31_PIN_CSPI3_SCLK__RTS3,
 57         MX31_PIN_CSPI3_SPI_RDY__CTS3,
 58         MX31_PIN_SD1_DATA3__SD1_DATA3,
 59         MX31_PIN_SD1_DATA2__SD1_DATA2,
 60         MX31_PIN_SD1_DATA1__SD1_DATA1,
 61         MX31_PIN_SD1_DATA0__SD1_DATA0,
 62         MX31_PIN_SD1_CLK__SD1_CLK,
 63         MX31_PIN_SD1_CMD__SD1_CMD,
 64         MX31_PIN_LD0__LD0,
 65         MX31_PIN_LD1__LD1,
 66         MX31_PIN_LD2__LD2,
 67         MX31_PIN_LD3__LD3,
 68         MX31_PIN_LD4__LD4,
 69         MX31_PIN_LD5__LD5,
 70         MX31_PIN_LD6__LD6,
 71         MX31_PIN_LD7__LD7,
 72         MX31_PIN_LD8__LD8,
 73         MX31_PIN_LD9__LD9,
 74         MX31_PIN_LD10__LD10,
 75         MX31_PIN_LD11__LD11,
 76         MX31_PIN_LD12__LD12,
 77         MX31_PIN_LD13__LD13,
 78         MX31_PIN_LD14__LD14,
 79         MX31_PIN_LD15__LD15,
 80         MX31_PIN_LD16__LD16,
 81         MX31_PIN_LD17__LD17,
 82         MX31_PIN_VSYNC3__VSYNC3,
 83         MX31_PIN_HSYNC__HSYNC,
 84         MX31_PIN_FPSHIFT__FPSHIFT,
 85         MX31_PIN_DRDY0__DRDY0,
 86         MX31_PIN_CONTRAST__CONTRAST,
 87 };
 88 
 89 /* UART */
 90 static const struct imxuart_platform_data uart_pdata __initconst = {
 91         .flags = IMXUART_HAVE_RTSCTS,
 92 };
 93 
 94 /* MMC support */
 95 
 96 static int mxc_mmc1_get_ro(struct device *dev)
 97 {
 98         return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_LCS0));
 99 }
100 
101 static int gpio_det, gpio_wp;
102 
103 #define MMC_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
104                         PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
105 
106 static int mxc_mmc1_init(struct device *dev,
107                          irq_handler_t detect_irq, void *data)
108 {
109         int ret;
110 
111         gpio_det = IOMUX_TO_GPIO(MX31_PIN_GPIO1_1);
112         gpio_wp = IOMUX_TO_GPIO(MX31_PIN_LCS0);
113 
114         mxc_iomux_set_pad(MX31_PIN_SD1_DATA0, MMC_PAD_CFG);
115         mxc_iomux_set_pad(MX31_PIN_SD1_DATA1, MMC_PAD_CFG);
116         mxc_iomux_set_pad(MX31_PIN_SD1_DATA2, MMC_PAD_CFG);
117         mxc_iomux_set_pad(MX31_PIN_SD1_DATA3, MMC_PAD_CFG);
118         mxc_iomux_set_pad(MX31_PIN_SD1_CLK, MMC_PAD_CFG);
119         mxc_iomux_set_pad(MX31_PIN_SD1_CMD, MMC_PAD_CFG);
120 
121         ret = gpio_request(gpio_det, "MMC detect");
122         if (ret)
123                 return ret;
124 
125         ret = gpio_request(gpio_wp, "MMC w/p");
126         if (ret)
127                 goto exit_free_det;
128 
129         gpio_direction_input(gpio_det);
130         gpio_direction_input(gpio_wp);
131 
132         ret = request_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1)),
133                           detect_irq, IRQF_TRIGGER_FALLING,
134                           "MMC detect", data);
135         if (ret)
136                 goto exit_free_wp;
137 
138         return 0;
139 
140 exit_free_wp:
141         gpio_free(gpio_wp);
142 
143 exit_free_det:
144         gpio_free(gpio_det);
145 
146         return ret;
147 }
148 
149 static void mxc_mmc1_exit(struct device *dev, void *data)
150 {
151         gpio_free(gpio_det);
152         gpio_free(gpio_wp);
153         free_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1)), data);
154 }
155 
156 static const struct imxmmc_platform_data mmc_pdata __initconst = {
157         .get_ro = mxc_mmc1_get_ro,
158         .init   = mxc_mmc1_init,
159         .exit   = mxc_mmc1_exit,
160 };
161 
162 /* Framebuffer support */
163 static const struct fb_videomode fb_modedb = {
164         /* 640x480 TFT panel (IPS-056T) */
165         .name           = "CRT-VGA",
166         .refresh        = 64,
167         .xres           = 640,
168         .yres           = 480,
169         .pixclock       = 30000,
170         .left_margin    = 200,
171         .right_margin   = 2,
172         .upper_margin   = 2,
173         .lower_margin   = 2,
174         .hsync_len      = 3,
175         .vsync_len      = 1,
176         .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
177         .vmode          = FB_VMODE_NONINTERLACED,
178         .flag           = 0,
179 };
180 
181 static struct mx3fb_platform_data fb_pdata __initdata = {
182         .name           = "CRT-VGA",
183         .mode           = &fb_modedb,
184         .num_modes      = 1,
185 };
186 
187 #define LCD_VCC_EN_GPIO  (7)
188 
189 static void __init mx31lilly_init_fb(void)
190 {
191         if (gpio_request(LCD_VCC_EN_GPIO, "LCD enable") != 0) {
192                 printk(KERN_WARNING "unable to request LCD_VCC_EN pin.\n");
193                 return;
194         }
195 
196         imx31_add_ipu_core();
197         imx31_add_mx3_sdc_fb(&fb_pdata);
198         gpio_direction_output(LCD_VCC_EN_GPIO, 1);
199 }
200 
201 void __init mx31lilly_db_init(void)
202 {
203         mxc_iomux_setup_multiple_pins(lilly_db_board_pins,
204                                         ARRAY_SIZE(lilly_db_board_pins),
205                                         "development board pins");
206         imx31_add_imx_uart0(&uart_pdata);
207         imx31_add_imx_uart1(&uart_pdata);
208         imx31_add_imx_uart2(&uart_pdata);
209         imx31_add_mxc_mmc(0, &mmc_pdata);
210         mx31lilly_init_fb();
211 }
212 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp