linux/arch/arm/mach-mmp/ttc_dkb.c
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   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
  46static 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
  76static struct pxa_gpio_platform_data pxa910_gpio_pdata = {
  77        .irq_base       = MMP_GPIO_TO_IRQ(0),
  78};
  79
  80static 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
 109static 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
 114static 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
 122static 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
 132static struct platform_device *ttc_dkb_devices[] = {
 133        &pxa910_device_gpio,
 134        &pxa910_device_rtc,
 135        &ttc_dkb_device_onenand,
 136};
 137
 138static struct pca953x_platform_data max7312_data[] = {
 139        {
 140                .gpio_base      = TTCDKB_GPIO_EXT0(0),
 141                .irq_base       = MMP_NR_IRQS,
 142        },
 143};
 144
 145static struct pm860x_platform_data ttc_dkb_pm8607_info = {
 146        .irq_base       = IRQ_BOARD_START,
 147};
 148
 149static 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
 167static 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)
 179static 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*/
 188static 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
 199static 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
 206static 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
 214static 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
 240static 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
 246static 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
 254static 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
 266static 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
 308MACHINE_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,
 315MACHINE_END
 316