arch/arm/mach-mmp/ttc_dkb.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  *  linux/arch/arm/mach-mmp/ttc_dkb.c
   4  *
   5  *  Support for the Marvell PXA910-based TTC_DKB Development Platform.
   6  */
   7
   8 #include <linux/init.h>
   9 #include <linux/kernel.h>
  10 #include <linux/platform_device.h>
  11 #include <linux/mtd/mtd.h>
  12 #include <linux/mtd/partitions.h>
  13 #include <linux/mtd/onenand.h>
  14 #include <linux/interrupt.h>
  15 #include <linux/platform_data/pca953x.h>
  16 #include <linux/gpio.h>
  17 #include <linux/gpio-pxa.h>
  18 #include <linux/mfd/88pm860x.h>
  19 #include <linux/platform_data/mv_usb.h>
  20 #include <linux/spi/spi.h>
  21 #include <linux/delay.h>
  22
  23 #include <asm/mach-types.h>
  24 #include <asm/mach/arch.h>
  25 #include <asm/mach/flash.h>
  26 #include "addr-map.h"
  27 #include "mfp-pxa910.h"
  28 #include "pxa910.h"
  29 #include "irqs.h"
  30 #include "regs-usb.h"
  31
  32 #include "common.h"
  33
  34 #define TTCDKB_GPIO_EXT0(x)     (MMP_NR_BUILTIN_GPIO + ((x < 0) ? 0 :   \
  35                                 ((x < 16) ? x : 15)))
  36 #define TTCDKB_GPIO_EXT1(x)     (MMP_NR_BUILTIN_GPIO + 16 + ((x < 0) ? 0 : \
  37                                 ((x < 16) ? x : 15)))
  38
  39 /*
  40  * 16 board interrupts -- MAX7312 GPIO expander
  41  * 16 board interrupts -- PCA9575 GPIO expander
  42  * 24 board interrupts -- 88PM860x PMIC
  43  */
  44 #define TTCDKB_NR_IRQS          (MMP_NR_IRQS + 16 + 16 + 24)
  45
  46 static unsigned long ttc_dkb_pin_config[] __initdata = {
  47         /* UART2 */
  48         GPIO47_UART2_RXD,
  49         GPIO48_UART2_TXD,
  50
  51         /* DFI */
  52         DF_IO0_ND_IO0,
  53         DF_IO1_ND_IO1,
  54         DF_IO2_ND_IO2,
  55         DF_IO3_ND_IO3,
  56         DF_IO4_ND_IO4,
  57         DF_IO5_ND_IO5,
  58         DF_IO6_ND_IO6,
  59         DF_IO7_ND_IO7,
  60         DF_IO8_ND_IO8,
  61         DF_IO9_ND_IO9,
  62         DF_IO10_ND_IO10,
  63         DF_IO11_ND_IO11,
  64         DF_IO12_ND_IO12,
  65         DF_IO13_ND_IO13,
  66         DF_IO14_ND_IO14,
  67         DF_IO15_ND_IO15,
  68         DF_nCS0_SM_nCS2_nCS0,
  69         DF_ALE_SM_WEn_ND_ALE,
  70         DF_CLE_SM_OEn_ND_CLE,
  71         DF_WEn_DF_WEn,
  72         DF_REn_DF_REn,
  73         DF_RDY0_DF_RDY0,
  74 };
  75
  76 static struct pxa_gpio_platform_data pxa910_gpio_pdata = {
  77         .irq_base       = MMP_GPIO_TO_IRQ(0),
  78 };
  79
  80 static struct mtd_partition ttc_dkb_onenand_partitions[] = {
  81         {
  82                 .name           = "bootloader",
  83                 .offset         = 0,
  84                 .size           = SZ_1M,
  85                 .mask_flags     = MTD_WRITEABLE,
  86         }, {
  87                 .name           = "reserved",
  88                 .offset         = MTDPART_OFS_APPEND,
  89                 .size           = SZ_128K,
  90                 .mask_flags     = MTD_WRITEABLE,
  91         }, {
  92                 .name           = "reserved",
  93                 .offset         = MTDPART_OFS_APPEND,
  94                 .size           = SZ_8M,
  95                 .mask_flags     = MTD_WRITEABLE,
  96         }, {
  97                 .name           = "kernel",
  98                 .offset         = MTDPART_OFS_APPEND,
  99                 .size           = (SZ_2M + SZ_1M),
 100                 .mask_flags     = 0,
 101         }, {
 102                 .name           = "filesystem",
 103                 .offset         = MTDPART_OFS_APPEND,
 104                 .size           = SZ_32M + SZ_16M,
 105                 .mask_flags     = 0,
 106         }
 107 };
 108
 109 static struct onenand_platform_data ttc_dkb_onenand_info = {
 110         .parts          = ttc_dkb_onenand_partitions,
 111         .nr_parts       = ARRAY_SIZE(ttc_dkb_onenand_partitions),
 112 };
 113
 114 static struct resource ttc_dkb_resource_onenand[] = {
 115         [0] = {
 116                 .start  = SMC_CS0_PHYS_BASE,
 117                 .end    = SMC_CS0_PHYS_BASE + SZ_1M,
 118                 .flags  = IORESOURCE_MEM,
 119         },
 120 };
 121
 122 static struct platform_device ttc_dkb_device_onenand = {
 123         .name           = "onenand-flash",
 124         .id             = -1,
 125         .resource       = ttc_dkb_resource_onenand,
 126         .num_resources  = ARRAY_SIZE(ttc_dkb_resource_onenand),
 127         .dev            = {
 128                 .platform_data  = &ttc_dkb_onenand_info,
 129         },
 130 };
 131
 132 static struct platform_device *ttc_dkb_devices[] = {
 133         &pxa910_device_gpio,
 134         &pxa910_device_rtc,
 135         &ttc_dkb_device_onenand,
 136 };
 137
 138 static struct pca953x_platform_data max7312_data[] = {
 139         {
 140                 .gpio_base      = TTCDKB_GPIO_EXT0(0),
 141                 .irq_base       = MMP_NR_IRQS,
 142         },
 143 };
 144
 145 static struct pm860x_platform_data ttc_dkb_pm8607_info = {
 146         .irq_base       = IRQ_BOARD_START,
 147 };
 148
 149 static struct i2c_board_info ttc_dkb_i2c_info[] = {
 150         {
 151                 .type           = "88PM860x",
 152                 .addr           = 0x34,
 153                 .platform_data  = &ttc_dkb_pm8607_info,
 154                 .irq            = IRQ_PXA910_PMIC_INT,
 155         },
 156         {
 157                 .type           = "max7312",
 158                 .addr           = 0x23,
 159                 .irq            = MMP_GPIO_TO_IRQ(80),
 160                 .platform_data  = &max7312_data,
 161         },
 162 };
 163
 164 #if IS_ENABLED(CONFIG_USB_SUPPORT)
 165 #if IS_ENABLED(CONFIG_USB_MV_UDC) || IS_ENABLED(CONFIG_USB_EHCI_MV_U2O)
 166
 167 static struct mv_usb_platform_data ttc_usb_pdata = {
 168         .vbus           = NULL,
 169         .mode           = MV_USB_MODE_OTG,
 170         .otg_force_a_bus_req = 1,
 171         .phy_init       = pxa_usb_phy_init,
 172         .phy_deinit     = pxa_usb_phy_deinit,
 173         .set_vbus       = NULL,
 174 };
 175 #endif
 176 #endif
 177
 178 #if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
 179 static struct pxa3xx_nand_platform_data dkb_nand_info = {};
 180 #endif
 181
 182 #if IS_ENABLED(CONFIG_MMP_DISP)
 183 /* path config */
 184 #define CFG_IOPADMODE(iopad)   (iopad)  /* 0x0 ~ 0xd */
 185 #define SCLK_SOURCE_SELECT(x)  (x << 30) /* 0x0 ~ 0x3 */
 186 /* link config */
 187 #define CFG_DUMBMODE(mode)     (mode << 28) /* 0x0 ~ 0x6*/
 188 static struct mmp_mach_path_config dkb_disp_config[] = {
 189         [0] = {
 190                 .name = "mmp-parallel",
 191                 .overlay_num = 2,
 192                 .output_type = PATH_OUT_PARALLEL,
 193                 .path_config = CFG_IOPADMODE(0x1)
 194                         | SCLK_SOURCE_SELECT(0x1),
 195                 .link_config = CFG_DUMBMODE(0x2),
 196         },
 197 };
 198
 199 static struct mmp_mach_plat_info dkb_disp_info = {
 200         .name = "mmp-disp",
 201         .clk_name = "disp0",
 202         .path_num = 1,
 203         .paths = dkb_disp_config,
 204 };
 205
 206 static struct mmp_buffer_driver_mach_info dkb_fb_info = {
 207         .name = "mmp-fb",
 208         .path_name = "mmp-parallel",
 209         .overlay_id = 0,
 210         .dmafetch_id = 1,
 211         .default_pixfmt = PIXFMT_RGB565,
 212 };
 213
 214 static void dkb_tpo_panel_power(int on)
 215 {
 216         int err;
 217         u32 spi_reset = mfp_to_gpio(MFP_PIN_GPIO106);
 218
 219         if (on) {
 220                 err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
 221                 if (err) {
 222                         pr_err("failed to request GPIO for TPO LCD RESET\n");
 223                         return;
 224                 }
 225                 gpio_direction_output(spi_reset, 0);
 226                 udelay(100);
 227                 gpio_set_value(spi_reset, 1);
 228                 gpio_free(spi_reset);
 229         } else {
 230                 err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
 231                 if (err) {
 232                         pr_err("failed to request LCD RESET gpio\n");
 233                         return;
 234                 }
 235                 gpio_set_value(spi_reset, 0);
 236                 gpio_free(spi_reset);
 237         }
 238 }
 239
 240 static struct mmp_mach_panel_info dkb_tpo_panel_info = {
 241         .name = "tpo-hvga",
 242         .plat_path_name = "mmp-parallel",
 243         .plat_set_onoff = dkb_tpo_panel_power,
 244 };
 245
 246 static struct spi_board_info spi_board_info[] __initdata = {
 247         {
 248                 .modalias       = "tpo-hvga",
 249                 .platform_data  = &dkb_tpo_panel_info,
 250                 .bus_num        = 5,
 251         }
 252 };
 253
 254 static void __init add_disp(void)
 255 {
 256         pxa_register_device(&pxa910_device_disp,
 257                 &dkb_disp_info, sizeof(dkb_disp_info));
 258         spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
 259         pxa_register_device(&pxa910_device_fb,
 260                 &dkb_fb_info, sizeof(dkb_fb_info));
 261         pxa_register_device(&pxa910_device_panel,
 262                 &dkb_tpo_panel_info, sizeof(dkb_tpo_panel_info));
 263 }
 264 #endif
 265
 266 static void __init ttc_dkb_init(void)
 267 {
 268         mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));
 269
 270         /* on-chip devices */
 271         pxa910_add_uart(1);
 272 #if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
 273         pxa910_add_nand(&dkb_nand_info);
 274 #endif
 275
 276         /* off-chip devices */
 277         pxa910_add_twsi(0, NULL, ARRAY_AND_SIZE(ttc_dkb_i2c_info));
 278         platform_device_add_data(&pxa910_device_gpio, &pxa910_gpio_pdata,
 279                                  sizeof(struct pxa_gpio_platform_data));
 280         platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));
 281
 282 #if IS_ENABLED(CONFIG_USB_SUPPORT)
 283 #if IS_ENABLED(CONFIG_PHY_PXA_USB)
 284         platform_device_register(&pxa168_device_usb_phy);
 285 #endif
 286
 287 #if IS_ENABLED(CONFIG_USB_MV_UDC)
 288         pxa168_device_u2o.dev.platform_data = &ttc_usb_pdata;
 289         platform_device_register(&pxa168_device_u2o);
 290 #endif
 291
 292 #if IS_ENABLED(CONFIG_USB_EHCI_MV_U2O)
 293         pxa168_device_u2oehci.dev.platform_data = &ttc_usb_pdata;
 294         platform_device_register(&pxa168_device_u2oehci);
 295 #endif
 296
 297 #if IS_ENABLED(CONFIG_USB_MV_OTG)
 298         pxa168_device_u2ootg.dev.platform_data = &ttc_usb_pdata;
 299         platform_device_register(&pxa168_device_u2ootg);
 300 #endif
 301 #endif
 302
 303 #if IS_ENABLED(CONFIG_MMP_DISP)
 304         add_disp();
 305 #endif
 306 }
 307
 308 MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
 309         .map_io         = mmp_map_io,
 310         .nr_irqs        = TTCDKB_NR_IRQS,
 311         .init_irq       = pxa910_init_irq,
 312         .init_time      = pxa910_timer_init,
 313         .init_machine   = ttc_dkb_init,
 314         .restart        = mmp_restart,
 315 MACHINE_END