| /* |
| * Bock-W board support |
| * |
| * Copyright (C) 2013 Renesas Solutions Corp. |
| * Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> |
| * 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/mfd/tmio.h> |
| #include <linux/mmc/host.h> |
| #include <linux/mmc/sh_mobile_sdhi.h> |
| #include <linux/mmc/sh_mmcif.h> |
| #include <linux/mtd/partitions.h> |
| #include <linux/pinctrl/machine.h> |
| #include <linux/platform_data/usb-rcar-phy.h> |
| #include <linux/platform_device.h> |
| #include <linux/regulator/fixed.h> |
| #include <linux/regulator/machine.h> |
| #include <linux/smsc911x.h> |
| #include <linux/spi/spi.h> |
| #include <linux/spi/flash.h> |
| #include <media/soc_camera.h> |
| #include <mach/common.h> |
| #include <mach/irqs.h> |
| #include <mach/r8a7778.h> |
| #include <asm/mach/arch.h> |
| |
| /* |
| * CN9(Upper side) SCIF/RCAN selection |
| * |
| * 1,4 3,6 |
| * SW40 SCIF RCAN |
| * SW41 SCIF RCAN |
| */ |
| |
| /* |
| * MMC (CN26) pin |
| * |
| * SW6 (D2) 3 pin |
| * SW7 (D5) ON |
| * SW8 (D3) 3 pin |
| * SW10 (D4) 1 pin |
| * SW12 (CLK) 1 pin |
| * SW13 (D6) 3 pin |
| * SW14 (CMD) ON |
| * SW15 (D6) 1 pin |
| * SW16 (D0) ON |
| * SW17 (D1) ON |
| * SW18 (D7) 3 pin |
| * SW19 (MMC) 1 pin |
| */ |
| |
| /* Dummy supplies, where voltage doesn't matter */ |
| static struct regulator_consumer_supply dummy_supplies[] = { |
| REGULATOR_SUPPLY("vddvario", "smsc911x"), |
| REGULATOR_SUPPLY("vdd33a", "smsc911x"), |
| }; |
| |
| static struct smsc911x_platform_config smsc911x_data __initdata = { |
| .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, |
| .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, |
| .flags = SMSC911X_USE_32BIT, |
| .phy_interface = PHY_INTERFACE_MODE_MII, |
| }; |
| |
| static struct resource smsc911x_resources[] __initdata = { |
| DEFINE_RES_MEM(0x18300000, 0x1000), |
| DEFINE_RES_IRQ(irq_pin(0)), /* IRQ 0 */ |
| }; |
| |
| /* USB */ |
| static struct resource usb_phy_resources[] __initdata = { |
| DEFINE_RES_MEM(0xffe70800, 0x100), |
| DEFINE_RES_MEM(0xffe76000, 0x100), |
| }; |
| |
| static struct rcar_phy_platform_data usb_phy_platform_data __initdata; |
| |
| /* SDHI */ |
| static struct sh_mobile_sdhi_info sdhi0_info __initdata = { |
| .tmio_caps = MMC_CAP_SD_HIGHSPEED, |
| .tmio_ocr_mask = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34, |
| .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT, |
| }; |
| |
| static struct resource sdhi0_resources[] __initdata = { |
| DEFINE_RES_MEM(0xFFE4C000, 0x100), |
| DEFINE_RES_IRQ(gic_iid(0x77)), |
| }; |
| |
| static struct sh_eth_plat_data ether_platform_data __initdata = { |
| .phy = 0x01, |
| .edmac_endian = EDMAC_LITTLE_ENDIAN, |
| .phy_interface = PHY_INTERFACE_MODE_RMII, |
| /* |
| * Although the LINK signal is available on the board, it's connected to |
| * the link/activity LED output of the PHY, thus the link disappears and |
| * reappears after each packet. We'd be better off ignoring such signal |
| * and getting the link state from the PHY indirectly. |
| */ |
| .no_ether_link = 1, |
| }; |
| |
| /* I2C */ |
| static struct i2c_board_info i2c0_devices[] = { |
| { |
| I2C_BOARD_INFO("rx8581", 0x51), |
| }, |
| }; |
| |
| /* HSPI*/ |
| static struct mtd_partition m25p80_spi_flash_partitions[] = { |
| { |
| .name = "data(spi)", |
| .size = 0x0100000, |
| .offset = 0, |
| }, |
| }; |
| |
| static struct flash_platform_data spi_flash_data = { |
| .name = "m25p80", |
| .type = "s25fl008k", |
| .parts = m25p80_spi_flash_partitions, |
| .nr_parts = ARRAY_SIZE(m25p80_spi_flash_partitions), |
| }; |
| |
| static struct spi_board_info spi_board_info[] __initdata = { |
| { |
| .modalias = "m25p80", |
| .max_speed_hz = 104000000, |
| .chip_select = 0, |
| .bus_num = 0, |
| .mode = SPI_MODE_0, |
| .platform_data = &spi_flash_data, |
| }, |
| }; |
| |
| /* MMC */ |
| static struct resource mmc_resources[] __initdata = { |
| DEFINE_RES_MEM(0xffe4e000, 0x100), |
| DEFINE_RES_IRQ(gic_iid(0x5d)), |
| }; |
| |
| static struct sh_mmcif_plat_data sh_mmcif_plat __initdata = { |
| .sup_pclk = 0, |
| .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34, |
| .caps = MMC_CAP_4_BIT_DATA | |
| MMC_CAP_8_BIT_DATA | |
| MMC_CAP_NEEDS_POLL, |
| }; |
| |
| static struct rcar_vin_platform_data vin_platform_data __initdata = { |
| .flags = RCAR_VIN_BT656, |
| }; |
| |
| /* In the default configuration both decoders reside on I2C bus 0 */ |
| #define BOCKW_CAMERA(idx) \ |
| static struct i2c_board_info camera##idx##_info = { \ |
| I2C_BOARD_INFO("ml86v7667", 0x41 + 2 * (idx)), \ |
| }; \ |
| \ |
| static struct soc_camera_link iclink##idx##_ml86v7667 __initdata = { \ |
| .bus_id = idx, \ |
| .i2c_adapter_id = 0, \ |
| .board_info = &camera##idx##_info, \ |
| } |
| |
| BOCKW_CAMERA(0); |
| BOCKW_CAMERA(1); |
| |
| static const struct pinctrl_map bockw_pinctrl_map[] = { |
| /* Ether */ |
| PIN_MAP_MUX_GROUP_DEFAULT("r8a777x-ether", "pfc-r8a7778", |
| "ether_rmii", "ether"), |
| /* HSPI0 */ |
| PIN_MAP_MUX_GROUP_DEFAULT("sh-hspi.0", "pfc-r8a7778", |
| "hspi0_a", "hspi0"), |
| /* MMC */ |
| PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif", "pfc-r8a7778", |
| "mmc_data8", "mmc"), |
| PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif", "pfc-r8a7778", |
| "mmc_ctrl", "mmc"), |
| /* SCIF0 */ |
| PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a7778", |
| "scif0_data_a", "scif0"), |
| PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a7778", |
| "scif0_ctrl", "scif0"), |
| /* USB */ |
| PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform", "pfc-r8a7778", |
| "usb0", "usb0"), |
| PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform", "pfc-r8a7778", |
| "usb1", "usb1"), |
| /* SDHI0 */ |
| PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778", |
| "sdhi0_data4", "sdhi0"), |
| PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778", |
| "sdhi0_ctrl", "sdhi0"), |
| PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778", |
| "sdhi0_cd", "sdhi0"), |
| PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778", |
| "sdhi0_wp", "sdhi0"), |
| /* VIN0 */ |
| PIN_MAP_MUX_GROUP_DEFAULT("r8a7778-vin.0", "pfc-r8a7778", |
| "vin0_clk", "vin0"), |
| PIN_MAP_MUX_GROUP_DEFAULT("r8a7778-vin.0", "pfc-r8a7778", |
| "vin0_data8", "vin0"), |
| /* VIN1 */ |
| PIN_MAP_MUX_GROUP_DEFAULT("r8a7778-vin.1", "pfc-r8a7778", |
| "vin1_clk", "vin1"), |
| PIN_MAP_MUX_GROUP_DEFAULT("r8a7778-vin.1", "pfc-r8a7778", |
| "vin1_data8", "vin1"), |
| }; |
| |
| #define FPGA 0x18200000 |
| #define IRQ0MR 0x30 |
| #define PFC 0xfffc0000 |
| #define PUPR4 0x110 |
| static void __init bockw_init(void) |
| { |
| void __iomem *base; |
| |
| r8a7778_clock_init(); |
| r8a7778_init_irq_extpin(1); |
| r8a7778_add_standard_devices(); |
| r8a7778_add_ether_device(ðer_platform_data); |
| r8a7778_add_vin_device(0, &vin_platform_data); |
| /* VIN1 has a pin conflict with Ether */ |
| if (!IS_ENABLED(CONFIG_SH_ETH)) |
| r8a7778_add_vin_device(1, &vin_platform_data); |
| platform_device_register_data(&platform_bus, "soc-camera-pdrv", 0, |
| &iclink0_ml86v7667, |
| sizeof(iclink0_ml86v7667)); |
| platform_device_register_data(&platform_bus, "soc-camera-pdrv", 1, |
| &iclink1_ml86v7667, |
| sizeof(iclink1_ml86v7667)); |
| |
| i2c_register_board_info(0, i2c0_devices, |
| ARRAY_SIZE(i2c0_devices)); |
| spi_register_board_info(spi_board_info, |
| ARRAY_SIZE(spi_board_info)); |
| pinctrl_register_mappings(bockw_pinctrl_map, |
| ARRAY_SIZE(bockw_pinctrl_map)); |
| r8a7778_pinmux_init(); |
| |
| platform_device_register_resndata( |
| &platform_bus, "sh_mmcif", -1, |
| mmc_resources, ARRAY_SIZE(mmc_resources), |
| &sh_mmcif_plat, sizeof(struct sh_mmcif_plat_data)); |
| |
| platform_device_register_resndata( |
| &platform_bus, "rcar_usb_phy", -1, |
| usb_phy_resources, |
| ARRAY_SIZE(usb_phy_resources), |
| &usb_phy_platform_data, |
| sizeof(struct rcar_phy_platform_data)); |
| |
| |
| /* for SMSC */ |
| base = ioremap_nocache(FPGA, SZ_1M); |
| if (base) { |
| /* |
| * CAUTION |
| * |
| * IRQ0/1 is cascaded interrupt from FPGA. |
| * it should be cared in the future |
| * Now, it is assuming IRQ0 was used only from SMSC. |
| */ |
| u16 val = ioread16(base + IRQ0MR); |
| val &= ~(1 << 4); /* enable SMSC911x */ |
| iowrite16(val, base + IRQ0MR); |
| iounmap(base); |
| |
| regulator_register_fixed(0, dummy_supplies, |
| ARRAY_SIZE(dummy_supplies)); |
| |
| platform_device_register_resndata( |
| &platform_bus, "smsc911x", -1, |
| smsc911x_resources, ARRAY_SIZE(smsc911x_resources), |
| &smsc911x_data, sizeof(smsc911x_data)); |
| } |
| |
| /* for SDHI */ |
| base = ioremap_nocache(PFC, 0x200); |
| if (base) { |
| /* |
| * FIXME |
| * |
| * SDHI CD/WP pin needs pull-up |
| */ |
| iowrite32(ioread32(base + PUPR4) | (3 << 26), base + PUPR4); |
| iounmap(base); |
| |
| platform_device_register_resndata( |
| &platform_bus, "sh_mobile_sdhi", 0, |
| sdhi0_resources, ARRAY_SIZE(sdhi0_resources), |
| &sdhi0_info, sizeof(struct sh_mobile_sdhi_info)); |
| } |
| } |
| |
| static const char *bockw_boards_compat_dt[] __initdata = { |
| "renesas,bockw", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(BOCKW_DT, "bockw") |
| .init_early = r8a7778_init_delay, |
| .init_irq = r8a7778_init_irq_dt, |
| .init_machine = bockw_init, |
| .dt_compat = bockw_boards_compat_dt, |
| .init_late = r8a7778_init_late, |
| MACHINE_END |