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kernel/linux-imx6_3.14.28/arch/arm/mach-shmobile/board-marzen.c 10.9 KB
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  /*
   * marzen board support
   *
   * Copyright (C) 2011, 2013  Renesas Solutions Corp.
   * Copyright (C) 2011  Magnus Damm
   * Copyright (C) 2013  Cogent Embedded, Inc.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; version 2 of the License.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
   */
  
  #include <linux/kernel.h>
  #include <linux/init.h>
  #include <linux/interrupt.h>
  #include <linux/irq.h>
  #include <linux/platform_device.h>
  #include <linux/delay.h>
  #include <linux/io.h>
  #include <linux/leds.h>
  #include <linux/dma-mapping.h>
  #include <linux/pinctrl/machine.h>
  #include <linux/platform_data/camera-rcar.h>
  #include <linux/platform_data/gpio-rcar.h>
  #include <linux/platform_data/rcar-du.h>
  #include <linux/platform_data/usb-rcar-phy.h>
  #include <linux/regulator/fixed.h>
  #include <linux/regulator/machine.h>
  #include <linux/smsc911x.h>
  #include <linux/spi/spi.h>
  #include <linux/spi/sh_hspi.h>
  #include <linux/mmc/host.h>
  #include <linux/mmc/sh_mobile_sdhi.h>
  #include <linux/mfd/tmio.h>
  #include <media/soc_camera.h>
  #include <mach/r8a7779.h>
  #include <mach/common.h>
  #include <mach/irqs.h>
  #include <asm/mach-types.h>
  #include <asm/mach/arch.h>
  #include <asm/traps.h>
  
  /* Fixed 3.3V regulator to be used by SDHI0 */
  static struct regulator_consumer_supply fixed3v3_power_consumers[] = {
  	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
  	REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
  };
  
  /* Dummy supplies, where voltage doesn't matter */
  static struct regulator_consumer_supply dummy_supplies[] = {
  	REGULATOR_SUPPLY("vddvario", "smsc911x"),
  	REGULATOR_SUPPLY("vdd33a", "smsc911x"),
  };
  
  /* USB PHY */
  static struct resource usb_phy_resources[] = {
  	[0] = {
  		.start		= 0xffe70800,
  		.end		= 0xffe70900 - 1,
  		.flags		= IORESOURCE_MEM,
  	},
  };
  
  static struct rcar_phy_platform_data usb_phy_platform_data;
  
  static struct platform_device usb_phy = {
  	.name		= "rcar_usb_phy",
  	.id		= -1,
  	.dev  = {
  		.platform_data = &usb_phy_platform_data,
  	},
  	.resource	= usb_phy_resources,
  	.num_resources	= ARRAY_SIZE(usb_phy_resources),
  };
  
  /* SMSC LAN89218 */
  static struct resource smsc911x_resources[] = {
  	[0] = {
  		.start		= 0x18000000, /* ExCS0 */
  		.end		= 0x180000ff, /* A1->A7 */
  		.flags		= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start		= irq_pin(1), /* IRQ 1 */
  		.flags		= IORESOURCE_IRQ,
  	},
  };
  
  static struct smsc911x_platform_config smsc911x_platdata = {
  	.flags		= SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */
  	.phy_interface	= PHY_INTERFACE_MODE_MII,
  	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,
  };
  
  static struct platform_device eth_device = {
  	.name		= "smsc911x",
  	.id		= -1,
  	.dev  = {
  		.platform_data = &smsc911x_platdata,
  	},
  	.resource	= smsc911x_resources,
  	.num_resources	= ARRAY_SIZE(smsc911x_resources),
  };
  
  static struct resource sdhi0_resources[] = {
  	[0] = {
  		.name	= "sdhi0",
  		.start	= 0xffe4c000,
  		.end	= 0xffe4c0ff,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= gic_iid(0x88),
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct sh_mobile_sdhi_info sdhi0_platform_data = {
  	.dma_slave_tx = HPBDMA_SLAVE_SDHI0_TX,
  	.dma_slave_rx = HPBDMA_SLAVE_SDHI0_RX,
  	.tmio_flags = TMIO_MMC_WRPROTECT_DISABLE | TMIO_MMC_HAS_IDLE_WAIT,
  	.tmio_caps = MMC_CAP_SD_HIGHSPEED,
  };
  
  static struct platform_device sdhi0_device = {
  	.name = "sh_mobile_sdhi",
  	.num_resources = ARRAY_SIZE(sdhi0_resources),
  	.resource = sdhi0_resources,
  	.id = 0,
  	.dev = {
  		.platform_data = &sdhi0_platform_data,
  	}
  };
  
  /* Thermal */
  static struct resource thermal_resources[] = {
  	[0] = {
  		.start		= 0xFFC48000,
  		.end		= 0xFFC48038 - 1,
  		.flags		= IORESOURCE_MEM,
  	},
  };
  
  static struct platform_device thermal_device = {
  	.name		= "rcar_thermal",
  	.resource	= thermal_resources,
  	.num_resources	= ARRAY_SIZE(thermal_resources),
  };
  
  /* HSPI */
  static struct resource hspi_resources[] = {
  	[0] = {
  		.start		= 0xFFFC7000,
  		.end		= 0xFFFC7018 - 1,
  		.flags		= IORESOURCE_MEM,
  	},
  };
  
  static struct platform_device hspi_device = {
  	.name	= "sh-hspi",
  	.id	= 0,
  	.resource	= hspi_resources,
  	.num_resources	= ARRAY_SIZE(hspi_resources),
  };
  
  /*
   * DU
   *
   * The panel only specifies the [hv]display and [hv]total values. The position
   * and width of the sync pulses don't matter, they're copied from VESA timings.
   */
  static struct rcar_du_encoder_data du_encoders[] = {
  	{
  		.type = RCAR_DU_ENCODER_VGA,
  		.output = RCAR_DU_OUTPUT_DPAD0,
  	}, {
  		.type = RCAR_DU_ENCODER_LVDS,
  		.output = RCAR_DU_OUTPUT_DPAD1,
  		.connector.lvds.panel = {
  			.width_mm = 210,
  			.height_mm = 158,
  			.mode = {
  				.clock = 65000,
  				.hdisplay = 1024,
  				.hsync_start = 1048,
  				.hsync_end = 1184,
  				.htotal = 1344,
  				.vdisplay = 768,
  				.vsync_start = 771,
  				.vsync_end = 777,
  				.vtotal = 806,
  				.flags = 0,
  			},
  		},
  	},
  };
  
  static const struct rcar_du_platform_data du_pdata __initconst = {
  	.encoders = du_encoders,
  	.num_encoders = ARRAY_SIZE(du_encoders),
  };
  
  static const struct resource du_resources[] __initconst = {
  	DEFINE_RES_MEM(0xfff80000, 0x40000),
  	DEFINE_RES_IRQ(gic_iid(0x3f)),
  };
  
  static void __init marzen_add_du_device(void)
  {
  	struct platform_device_info info = {
  		.name = "rcar-du-r8a7779",
  		.id = -1,
  		.res = du_resources,
  		.num_res = ARRAY_SIZE(du_resources),
  		.data = &du_pdata,
  		.size_data = sizeof(du_pdata),
  		.dma_mask = DMA_BIT_MASK(32),
  	};
  
  	platform_device_register_full(&info);
  }
  
  /* LEDS */
  static struct gpio_led marzen_leds[] = {
  	{
  		.name		= "led2",
  		.gpio		= RCAR_GP_PIN(4, 29),
  		.default_state	= LEDS_GPIO_DEFSTATE_ON,
  	}, {
  		.name		= "led3",
  		.gpio		= RCAR_GP_PIN(4, 30),
  		.default_state	= LEDS_GPIO_DEFSTATE_ON,
  	}, {
  		.name		= "led4",
  		.gpio		= RCAR_GP_PIN(4, 31),
  		.default_state	= LEDS_GPIO_DEFSTATE_ON,
  	},
  };
  
  static struct gpio_led_platform_data marzen_leds_pdata = {
  	.leds		= marzen_leds,
  	.num_leds	= ARRAY_SIZE(marzen_leds),
  };
  
  static struct platform_device leds_device = {
  	.name	= "leds-gpio",
  	.id	= 0,
  	.dev	= {
  		.platform_data  = &marzen_leds_pdata,
  	},
  };
  
  /* VIN */
  static struct rcar_vin_platform_data vin_platform_data __initdata = {
  	.flags	= RCAR_VIN_BT656,
  };
  
  #define MARZEN_VIN(idx)						\
  static struct resource vin##idx##_resources[] __initdata = {	\
  	DEFINE_RES_MEM(0xffc50000 + 0x1000 * (idx), 0x1000),	\
  	DEFINE_RES_IRQ(gic_iid(0x5f + (idx))),			\
  };								\
  								\
  static struct platform_device_info vin##idx##_info __initdata = { \
  	.parent		= &platform_bus,			\
  	.name		= "r8a7779-vin",			\
  	.id		= idx,					\
  	.res		= vin##idx##_resources,			\
  	.num_res	= ARRAY_SIZE(vin##idx##_resources),	\
  	.dma_mask	= DMA_BIT_MASK(32),			\
  	.data		= &vin_platform_data,			\
  	.size_data	= sizeof(vin_platform_data),		\
  }
  MARZEN_VIN(1);
  MARZEN_VIN(3);
  
  #define MARZEN_CAMERA(idx)					\
  static struct i2c_board_info camera##idx##_info = {		\
  	I2C_BOARD_INFO("adv7180", 0x20 + (idx)),		\
  };								\
  								\
  static struct soc_camera_link iclink##idx##_adv7180 = {		\
  	.bus_id		= 1 + 2 * (idx),			\
  	.i2c_adapter_id	= 0,					\
  	.board_info	= &camera##idx##_info,			\
  };								\
  								\
  static struct platform_device camera##idx##_device = {		\
  	.name	= "soc-camera-pdrv",				\
  	.id	= idx,						\
  	.dev	= {						\
  		.platform_data	= &iclink##idx##_adv7180,	\
  	},							\
  };
  
  MARZEN_CAMERA(0);
  MARZEN_CAMERA(1);
  
  static struct platform_device *marzen_devices[] __initdata = {
  	&eth_device,
  	&sdhi0_device,
  	&thermal_device,
  	&hspi_device,
  	&leds_device,
  	&usb_phy,
  	&camera0_device,
  	&camera1_device,
  };
  
  static const struct pinctrl_map marzen_pinctrl_map[] = {
  	/* DU (CN10: ARGB0, CN13: LVDS) */
  	PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
  				  "du0_rgb888", "du0"),
  	PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
  				  "du0_sync_1", "du0"),
  	PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
  				  "du0_clk_out_0", "du0"),
  	PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
  				  "du1_rgb666", "du1"),
  	PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
  				  "du1_sync_1", "du1"),
  	PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
  				  "du1_clk_out", "du1"),
  	/* HSPI0 */
  	PIN_MAP_MUX_GROUP_DEFAULT("sh-hspi.0", "pfc-r8a7779",
  				  "hspi0", "hspi0"),
  	/* SCIF2 (CN18: DEBUG0) */
  	PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.2", "pfc-r8a7779",
  				  "scif2_data_c", "scif2"),
  	/* SCIF4 (CN19: DEBUG1) */
  	PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.4", "pfc-r8a7779",
  				  "scif4_data", "scif4"),
  	/* SDHI0 */
  	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
  				  "sdhi0_data4", "sdhi0"),
  	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
  				  "sdhi0_ctrl", "sdhi0"),
  	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
  				  "sdhi0_cd", "sdhi0"),
  	/* SMSC */
  	PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a7779",
  				  "intc_irq1_b", "intc"),
  	PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a7779",
  				  "lbsc_ex_cs0", "lbsc"),
  	/* USB0 */
  	PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.0", "pfc-r8a7779",
  				  "usb0", "usb0"),
  	/* USB1 */
  	PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.0", "pfc-r8a7779",
  				  "usb1", "usb1"),
  	/* USB2 */
  	PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.1", "pfc-r8a7779",
  				  "usb2", "usb2"),
  	/* VIN1 */
  	PIN_MAP_MUX_GROUP_DEFAULT("r8a7779-vin.1", "pfc-r8a7779",
  				  "vin1_clk", "vin1"),
  	PIN_MAP_MUX_GROUP_DEFAULT("r8a7779-vin.1", "pfc-r8a7779",
  				  "vin1_data8", "vin1"),
  	/* VIN3 */
  	PIN_MAP_MUX_GROUP_DEFAULT("r8a7779-vin.3", "pfc-r8a7779",
  				  "vin3_clk", "vin3"),
  	PIN_MAP_MUX_GROUP_DEFAULT("r8a7779-vin.3", "pfc-r8a7779",
  				  "vin3_data8", "vin3"),
  };
  
  static void __init marzen_init(void)
  {
  	regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
  				ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
  	regulator_register_fixed(1, dummy_supplies,
  				ARRAY_SIZE(dummy_supplies));
  
  	pinctrl_register_mappings(marzen_pinctrl_map,
  				  ARRAY_SIZE(marzen_pinctrl_map));
  	r8a7779_pinmux_init();
  	r8a7779_init_irq_extpin(1); /* IRQ1 as individual interrupt */
  
  	r8a7779_add_standard_devices();
  	platform_device_register_full(&vin1_info);
  	platform_device_register_full(&vin3_info);
  	platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));
  	marzen_add_du_device();
  }
  
  static const char *marzen_boards_compat_dt[] __initdata = {
          "renesas,marzen",
          NULL,
  };
  
  DT_MACHINE_START(MARZEN, "marzen")
  	.smp		= smp_ops(r8a7779_smp_ops),
  	.map_io		= r8a7779_map_io,
  	.init_early	= r8a7779_add_early_devices,
  	.init_irq	= r8a7779_init_irq_dt,
  	.init_machine	= marzen_init,
  	.init_late	= r8a7779_init_late,
  	.dt_compat	= marzen_boards_compat_dt,
  	.init_time	= r8a7779_earlytimer_init,
  MACHINE_END