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1
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/*
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2
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* Critical Link MityOMAP-L138 SoM Baseboard initializtaion file
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3
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*
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4
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*/
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5
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#include <linux/kernel.h>
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6
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#include <linux/init.h>
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#include <linux/gpio.h>
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#include <linux/platform_device.h>
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#include <linux/spi/spi.h>
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#include <linux/delay.h>
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#include <linux/mtd/mtd.h>
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#include <linux/usb/musb.h>
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#include <asm/mach-types.h>
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15
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#include <asm/mach/arch.h>
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#include <asm/setup.h>
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#include <mach/mux.h>
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#include <mach/da8xx.h>
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#include <linux/can/platform/mcp251x.h>
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20
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21
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#define BASEBOARD_NAME "IndustrialIO"
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#define MSTPRI2_LCD_MASK 0x70000000
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#define MSTPRI2_LCD_SHIFT 28
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#define LCD_PRIORITY 0 /* make video output highest priority */
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25
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#define MMCSD_CD_PIN GPIO_TO_PIN(4, 0)
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#define MMCSD_WP_PIN GPIO_TO_PIN(4, 1)
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28
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#define SYSTEM_RESET GPIO_TO_PIN(5, 14)
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#define ADF4158_CS_N GPIO_TO_PIN(2, 15) /* FOR US IS TO SELECT CHIP ADF4158 */
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#define ADF4360_CS_N GPIO_TO_PIN(0, 8) /* FOR US IS TO SELECT CHIP ADF4360 */
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#define CAN_INT_PIN GPIO_TO_PIN(2, 12)
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//#define DSD1791_CS_N GPIO_TO_PIN(0, 8) /* COMMENTED OUT */
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#define DAC8551_CS_N GPIO_TO_PIN(0, 15)
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#define ADS5560_CS_N GPIO_TO_PIN(0, 6)
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35
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static int baseboard_mmc_get_ro(int index)
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{
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return gpio_get_value(MMCSD_WP_PIN);
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}
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40
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static int baseboard_mmc_get_cd(int index)
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{
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return !gpio_get_value(MMCSD_CD_PIN);
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44
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}
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static struct davinci_mmc_config da850_mmc_config = {
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.get_ro = baseboard_mmc_get_ro,
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48
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.get_cd = baseboard_mmc_get_cd,
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49
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.wires = 4,
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.max_freq = 50000000,
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.caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
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.version = MMC_CTLR_VERSION_2,
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};
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54
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static const short da850_mmcsd0_pins[] __initconst = {
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DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
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DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
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DA850_GPIO4_0, DA850_GPIO4_1,
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-1
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};
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static __init void baseboard_setup_mmc(void)
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{
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int ret;
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65
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ret = davinci_cfg_reg_list(da850_mmcsd0_pins);
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if (ret)
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pr_warning("%s: mmcsd0 mux setup failed: %d\n", __func__, ret);
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69
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ret = gpio_request(MMCSD_CD_PIN, "MMC CD\n");
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if (ret)
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pr_warning("%s: can not open GPIO %d\n", __func__,
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MMCSD_CD_PIN);
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gpio_direction_input(MMCSD_CD_PIN);
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75
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ret = gpio_request(MMCSD_WP_PIN, "MMC WP\n");
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if (ret)
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pr_warning("%s: can not open GPIO %d\n", __func__,
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MMCSD_WP_PIN);
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gpio_direction_input(MMCSD_WP_PIN);
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81
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ret = da8xx_register_mmcsd0(&da850_mmc_config);
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if (ret)
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pr_warning("%s: mmcsd0 registration failed: %d\n", __func__,
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ret);
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}
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/*
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* GPIO pins, this is an exhaustive list which may be overridden by
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90
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* other devices
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*/
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static short baseboard_gpio_pins[] __initdata = {
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DA850_GPIO0_0, DA850_GPIO0_1, DA850_GPIO0_2, DA850_GPIO0_3,
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DA850_GPIO0_4, DA850_GPIO0_5, DA850_GPIO0_6, DA850_GPIO0_7,
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DA850_GPIO0_8, DA850_GPIO0_9, DA850_GPIO0_10, DA850_GPIO0_11,
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DA850_GPIO0_12, DA850_GPIO0_13, DA850_GPIO0_14, DA850_GPIO0_15,
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DA850_GPIO2_12, DA850_GPIO2_15, -1,
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};
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99
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100
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/* davinci da850 evm audio machine driver */
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static u8 da850_iis_serializer_direction[] = {
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INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
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INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
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INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
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INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
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};
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107
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static struct snd_platform_data baseboard_snd_data = {
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.tx_dma_offset = 0x2000,
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.rx_dma_offset = 0x2000,
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.op_mode = DAVINCI_MCASP_IIS_MODE,
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.num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
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.tdm_slots = 0,
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.serial_dir = da850_iis_serializer_direction,
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.asp_chan_q = EVENTQ_1,
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.version = MCASP_VERSION_2,
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.txnumevt = 0,
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.rxnumevt = 0,
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119
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};
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120
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static short baseboard_mcasp_pins[21] __initdata = {
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DA850_AHCLKX, DA850_ACLKX, DA850_AFSX,
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DA850_AHCLKR,
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-1, -1, -1, -1,
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-1, -1, -1, -1,
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-1, -1, -1, -1,
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127
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-1, -1, -1, -1,
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128
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-1
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};
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130
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static __init int baseboard_setup_mcasp(void)
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{
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int ret;
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134
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135
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baseboard_mcasp_pins[4+0] = DA850_AXR_15;
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136
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da850_iis_serializer_direction[15] = TX_MODE;
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137
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138
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ret = davinci_cfg_reg_list(baseboard_mcasp_pins);
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139
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if (ret)
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pr_warning("%s: mcasp mux setup failed: %d\n", __func__, ret);
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141
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142
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ret = gpio_request(SYSTEM_RESET, "SYSTEM RESET\n");
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143
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if (ret)
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pr_warning("%s: can't open GPIO %d\n", __func__, SYSTEM_RESET);
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msleep(20);
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gpio_direction_output(SYSTEM_RESET, 0);
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msleep(20);
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gpio_set_value(SYSTEM_RESET, 1);
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149
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150
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baseboard_snd_data.tdm_slots = 2;
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baseboard_snd_data.txnumevt = 1;
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152
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da8xx_register_mcasp(0, &baseboard_snd_data);
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154
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return ret;
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}
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157
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158
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static const struct display_panel disp_panel = {
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QVGA,
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16,
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16,
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COLOR_ACTIVE,
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};
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static struct lcd_ctrl_config lcd_cfg = {
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&disp_panel,
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.ac_bias = 255,
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168
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.ac_bias_intrpt = 0,
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.dma_burst_sz = 16,
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170
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.bpp = 16,
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.fdd = 255,
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.tft_alt_mode = 0,
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.stn_565_mode = 0,
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.mono_8bit_mode = 0,
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.invert_line_clock = 0,
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.invert_frm_clock = 0,
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.sync_edge = 0,
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.sync_ctrl = 1,
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.raster_order = 0,
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180
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};
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181
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static struct da8xx_lcdc_platform_data sharp_lq035q7dh06_pdata = {
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.manu_name = "sharp",
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.controller_data = &lcd_cfg,
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.type = "Sharp_LQ035Q7DH06",
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};
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static struct da8xx_lcdc_platform_data chimei_p0430wqlb_pdata = {
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.manu_name = "ChiMei",
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190
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.controller_data = &lcd_cfg,
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.type = "ChiMei_P0430WQLB",
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};
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static struct da8xx_lcdc_platform_data vga_640x480_pdata = {
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195
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.manu_name = "VGA",
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.controller_data = &lcd_cfg,
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.type = "vga_640x480",
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};
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200
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static struct da8xx_lcdc_platform_data wvga_800x480_pdata = {
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201
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.manu_name = "WVGA",
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202
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.controller_data = &lcd_cfg,
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203
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.type = "wvga_800x480",
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};
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205
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206
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static struct da8xx_lcdc_platform_data svga_800x600_pdata = {
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207
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.manu_name = "SVGA",
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.controller_data = &lcd_cfg,
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.type = "svga_800x600",
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210
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};
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211
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212
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static struct da8xx_lcdc_platform_data nec_nl4827hc19_pdata = {
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213
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.manu_name = "NEC",
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214
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.controller_data = &lcd_cfg,
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215
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.type = "NEC_NL4827HC19-05B",
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};
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217
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218
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static __init void baseboard_setup_lcd(const char *panel)
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219
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{
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220
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int ret;
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221
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struct da8xx_lcdc_platform_data *pdata;
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222
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223
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u32 prio;
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224
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225
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/* set peripheral master priority up to 1 */
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prio = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_MSTPRI2_REG));
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227
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prio &= ~MSTPRI2_LCD_MASK;
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228
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prio |= LCD_PRIORITY<<MSTPRI2_LCD_SHIFT;
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229
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__raw_writel(prio, DA8XX_SYSCFG0_VIRT(DA8XX_MSTPRI2_REG));
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230
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231
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if (!strcmp("Sharp_LQ035Q7DH06", panel))
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232
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pdata = &sharp_lq035q7dh06_pdata;
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233
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else if (!strcmp("ChiMei_P0430WQLB", panel))
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234
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pdata = &chimei_p0430wqlb_pdata;
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235
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else if (!strcmp("vga_640x480", panel))
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236
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pdata = &vga_640x480_pdata;
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237
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else if (!strcmp("wvga_800x480", panel))
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238
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pdata = &wvga_800x480_pdata;
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239
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else if (!strcmp("svga_800x600", panel))
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240
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pdata = &svga_800x600_pdata;
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241
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else if (!strcmp("NEC_NL4827HC19-05B", panel)) {
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242
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pdata = &nec_nl4827hc19_pdata;
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243
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lcd_cfg.invert_line_clock = 1;
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244
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lcd_cfg.invert_frm_clock = 1;
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245
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} else {
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246
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pr_warning("%s: unknown LCD type : %s\n", __func__,
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247
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panel);
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248
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return;
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249
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}
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250
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|
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251
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ret = davinci_cfg_reg_list(da850_lcdcntl_pins);
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252
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if (ret) {
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253
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pr_warning("%s: lcd pinmux failed : %d\n", __func__,
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254
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ret);
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255
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return;
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256
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}
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257
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|
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258
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ret = da8xx_register_lcdc(pdata);
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259
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}
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260
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|
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261
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#ifdef CONFIG_MTD
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262
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#define OFFSET_LCDCONFIG 176
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263
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#define LCDCONFIG_LEN 33
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264
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static void baseboard_mtd_notify(struct mtd_info *mtd)
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|
265
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{
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266
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int retlen;
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267
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char buf[LCDCONFIG_LEN]; /* enable, manufacturer name */
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268
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if (!strcmp(mtd->name, "periph-config")) {
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269
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mtd->read(mtd, OFFSET_LCDCONFIG, LCDCONFIG_LEN, &retlen,
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270
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buf);
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271
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if (retlen == LCDCONFIG_LEN) {
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272
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if (buf[0]) {
|
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273
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buf[LCDCONFIG_LEN-1] = 0;
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274
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pr_info("Using LCD panel: %s\n", &buf[1]);
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275
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baseboard_setup_lcd(&buf[1]);
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276
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} else
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277
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pr_info("No LCD configured\n");
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278
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}
|
|
279
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}
|
|
280
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}
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|
281
|
|
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282
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static struct mtd_notifier baseboard_spi_notifier = {
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283
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.add = baseboard_mtd_notify,
|
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284
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};
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|
285
|
|
|
286
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static void baseboard_mtd_notify_add(void)
|
|
287
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{
|
|
288
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register_mtd_user(&baseboard_spi_notifier);
|
|
289
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}
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|
290
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#else
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|
291
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static void baseboard_mtd_notify_add(void) { }
|
|
292
|
#endif
|
|
293
|
|
|
294
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/* MODIFIED. Commented out */
|
|
295
|
/*
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|
296
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static struct mcp251x_platform_data mcp2515_pdata = {
|
|
297
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.oscillator_frequency = 20000000,
|
|
298
|
};
|
|
299
|
*/
|
|
300
|
|
|
301
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static struct davinci_spi_config spi_adf4158_config = {
|
|
302
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.io_type = SPI_IO_TYPE_POLL, /* MODIFIED. Default value SPI_IO_TYPE_DMA */
|
|
303
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.c2tdelay = 0,
|
|
304
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.t2cdelay = 0,
|
|
305
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};
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|
306
|
|
|
307
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static struct davinci_spi_config spi_adf4360_config = { /* ADDED */
|
|
308
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.io_type = SPI_IO_TYPE_POLL,
|
|
309
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.c2tdelay = 0,
|
|
310
|
.t2cdelay = 0,
|
|
311
|
};
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|
312
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/* COMMENTED OUT
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|
313
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static struct davinci_spi_config spi_dsd1791_config = {
|
|
314
|
.io_type = SPI_IO_TYPE_DMA,
|
|
315
|
.c2tdelay = 0,
|
|
316
|
.t2cdelay = 0,
|
|
317
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}; */
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|
318
|
|
|
319
|
#ifdef CONFIG_INDIO_EXPANSION_ANALOGIO
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|
320
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static struct davinci_spi_config spi_dac8554_config = {
|
|
321
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.io_type = SPI_IO_TYPE_DMA,
|
|
322
|
.c2tdelay = 0,
|
|
323
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.t2cdelay = 0,
|
|
324
|
};
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|
325
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static struct davinci_spi_config spi_ads5560_config = {
|
|
326
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.io_type = SPI_IO_TYPE_DMA,
|
|
327
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.c2tdelay = 0,
|
|
328
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.t2cdelay = 0,
|
|
329
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};
|
|
330
|
#endif
|
|
331
|
|
|
332
|
static struct spi_board_info baseboard_spi1_info[] = {
|
|
333
|
{
|
|
334
|
.modalias = "spidev", /* MODIFIED. Default value mcp2515 */
|
|
335
|
/* .platform_data = &mcp2515_pdata, */ /* COMMENTED OUT */
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|
336
|
.controller_data = &spi_adf4158_config,
|
|
337
|
.max_speed_hz = 750000, /* MODIFIED. Default value 10000000 */
|
|
338
|
.bus_num = 1,
|
|
339
|
.chip_select = 1,
|
|
340
|
.mode = SPI_MODE_0, /* ADDED. Default value nothing means SPI_MODE_3*/
|
|
341
|
},
|
|
342
|
/* COMMENTED OUT
|
|
343
|
{
|
|
344
|
.modalias = "dsd1791",
|
|
345
|
.controller_data = &spi_dsd1791_config,
|
|
346
|
.max_speed_hz = 1000000,
|
|
347
|
.bus_num = 1,
|
|
348
|
.chip_select = 2,
|
|
349
|
},
|
|
350
|
*/
|
|
351
|
{
|
|
352
|
.modalias = "spidev", /* ADDED */
|
|
353
|
.controller_data = &spi_adf4360_config, /* ADDED */
|
|
354
|
.max_speed_hz = 750000, /* ADDED */
|
|
355
|
.bus_num = 1, /* ADDED */
|
|
356
|
.chip_select = 2, /* ADDED */
|
|
357
|
.mode = SPI_MODE_0, /* ADDED */
|
|
358
|
},
|
|
359
|
#ifdef CONFIG_INDIO_EXPANSION_ANALOGIO
|
|
360
|
{
|
|
361
|
.modalias = "spidev",
|
|
362
|
.controller_data = &spi_dac8554_config,
|
|
363
|
.max_speed_hz = 10000000,
|
|
364
|
.bus_num = 1,
|
|
365
|
.chip_select = 3,
|
|
366
|
},
|
|
367
|
{
|
|
368
|
.modalias = "spidev",
|
|
369
|
.controller_data = &spi_ads5560_config,
|
|
370
|
.max_speed_hz = 10000000,
|
|
371
|
.bus_num = 1,
|
|
372
|
.chip_select = 4,
|
|
373
|
},
|
|
374
|
#endif
|
|
375
|
};
|
|
376
|
|
|
377
|
#ifdef CONFIG_INDIO_EXPANSION_ANALOGIO
|
|
378
|
static struct spi_board_info baseboard_spi3_info[] = {
|
|
379
|
{
|
|
380
|
.modalias = "spidev",
|
|
381
|
.max_speed_hz = 10000000,
|
|
382
|
.bus_num = 3,
|
|
383
|
.chip_select = 0,
|
|
384
|
},
|
|
385
|
};
|
|
386
|
#endif
|
|
387
|
|
|
388
|
static u8 spi1_cs[] = {
|
|
389
|
SPI_INTERN_CS,
|
|
390
|
ADF4158_CS_N, /* MODIFIED */
|
|
391
|
/* DSD1791_CS_N, COMMENTED OUT */
|
|
392
|
ADF4360_CS_N, /* ADDED */
|
|
393
|
#ifdef CONFIG_INDIO_EXPANSION_ANALOGIO
|
|
394
|
DAC8551_CS_N,
|
|
395
|
ADS5560_CS_N,
|
|
396
|
#endif
|
|
397
|
};
|
|
398
|
|
|
399
|
static void __init baseboard_setup_spi(void)
|
|
400
|
{
|
|
401
|
int ret;
|
|
402
|
|
|
403
|
/*MODIFIED. Default was CAN_CS_N */
|
|
404
|
ret = gpio_request(ADF4158_CS_N, "ADF4158 CS\n");
|
|
405
|
if (ret)
|
|
406
|
pr_warning("%s: can not open ADF4158 CS %d\n", __func__, ADF4158_CS_N);
|
|
407
|
|
|
408
|
/* COMMENTED OUT
|
|
409
|
ret = gpio_request(DSD1791_CS_N, "DSD1791 CS\n");
|
|
410
|
if (ret)
|
|
411
|
pr_warning("%s: can not open DSD1791 CS %d\n", __func__,
|
|
412
|
DSD1791_CS_N);
|
|
413
|
*/
|
|
414
|
|
|
415
|
/* ADDED */
|
|
416
|
ret = gpio_request(ADF4360_CS_N, "ADF4360 CS\n");
|
|
417
|
if (ret)
|
|
418
|
pr_warning("%s: can not open ADF4360 CS %d\n", __func__, ADF4360_CS_N);
|
|
419
|
|
|
420
|
|
|
421
|
#ifdef CONFIG_INDIO_EXPANSION_ANALOGIO
|
|
422
|
ret = gpio_request(DAC8551_CS_N, "DAC8551 LDAC\n");
|
|
423
|
if (ret)
|
|
424
|
pr_warning("%s: can not open DAC8551 LDAC %d\n", __func__, ret);
|
|
425
|
|
|
426
|
ret = gpio_request(ADS5560_CS_N, "ADS5560 CS\n");
|
|
427
|
if (ret)
|
|
428
|
pr_warning("%s: can not open ADS5560 CS %d\n", __func__, ret);
|
|
429
|
|
|
430
|
ret = spi_register_board_info(baseboard_spi3_info,
|
|
431
|
ARRAY_SIZE(baseboard_spi3_info));
|
|
432
|
if (ret)
|
|
433
|
pr_warning("%s: Unable to register SPI3 Info: %d\n", __func__,
|
|
434
|
ret);
|
|
435
|
#endif
|
|
436
|
|
|
437
|
/* DELETED OUT */
|
|
438
|
//baseboard_spi1_info[0].irq = gpio_to_irq(CAN_INT_PIN);
|
|
439
|
|
|
440
|
ret = spi_register_board_info(baseboard_spi1_info,
|
|
441
|
ARRAY_SIZE(baseboard_spi1_info));
|
|
442
|
if (ret)
|
|
443
|
pr_warning("%s: Unable to register SPI1 Info: %d\n", __func__,
|
|
444
|
ret);
|
|
445
|
}
|
|
446
|
|
|
447
|
static int __init baseboard_pre_init(void)
|
|
448
|
{
|
|
449
|
pr_info("%s: Entered\n", __func__);
|
|
450
|
da8xx_spi_pdata[1].chip_sel = spi1_cs;
|
|
451
|
da8xx_spi_pdata[1].num_chipselect = ARRAY_SIZE(spi1_cs);
|
|
452
|
davinci_soc_info.emac_pdata->phy_id = "0:03";
|
|
453
|
return 0;
|
|
454
|
}
|
|
455
|
postcore_initcall_sync(baseboard_pre_init);
|
|
456
|
|
|
457
|
static int __init baseboard_init(void)
|
|
458
|
{
|
|
459
|
pr_info("%s [%s]...\n", __func__, BASEBOARD_NAME);
|
|
460
|
|
|
461
|
davinci_cfg_reg_list(baseboard_gpio_pins);
|
|
462
|
|
|
463
|
baseboard_setup_mmc();
|
|
464
|
|
|
465
|
baseboard_setup_spi();
|
|
466
|
|
|
467
|
baseboard_setup_mcasp();
|
|
468
|
|
|
469
|
baseboard_mtd_notify_add();
|
|
470
|
|
|
471
|
mityomapl138_usb_init(MUSB_OTG);
|
|
472
|
|
|
473
|
return 0;
|
|
474
|
}
|
|
475
|
arch_initcall_sync(baseboard_init);
|
