diff options
Diffstat (limited to 'arch/arm/mach-shmobile/board-kzm9g.c')
-rw-r--r-- | arch/arm/mach-shmobile/board-kzm9g.c | 460 |
1 files changed, 460 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c new file mode 100644 index 000000000000..d8e33b682832 --- /dev/null +++ b/arch/arm/mach-shmobile/board-kzm9g.c @@ -0,0 +1,460 @@ +/* + * KZM-A9-GT board support + * + * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> + * + * 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/delay.h> +#include <linux/gpio.h> +#include <linux/gpio_keys.h> +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/i2c.h> +#include <linux/i2c/pcf857x.h> +#include <linux/input.h> +#include <linux/mmc/host.h> +#include <linux/mmc/sh_mmcif.h> +#include <linux/mmc/sh_mobile_sdhi.h> +#include <linux/mfd/tmio.h> +#include <linux/platform_device.h> +#include <linux/smsc911x.h> +#include <linux/usb/r8a66597.h> +#include <linux/videodev2.h> +#include <mach/irqs.h> +#include <mach/sh73a0.h> +#include <mach/common.h> +#include <asm/hardware/cache-l2x0.h> +#include <asm/hardware/gic.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <video/sh_mobile_lcdc.h> + +/* + * external GPIO + */ +#define GPIO_PCF8575_BASE (GPIO_NR) +#define GPIO_PCF8575_PORT10 (GPIO_NR + 8) +#define GPIO_PCF8575_PORT11 (GPIO_NR + 9) +#define GPIO_PCF8575_PORT12 (GPIO_NR + 10) +#define GPIO_PCF8575_PORT13 (GPIO_NR + 11) +#define GPIO_PCF8575_PORT14 (GPIO_NR + 12) +#define GPIO_PCF8575_PORT15 (GPIO_NR + 13) +#define GPIO_PCF8575_PORT16 (GPIO_NR + 14) + +/* SMSC 9221 */ +static struct resource smsc9221_resources[] = { + [0] = { + .start = 0x10000000, /* CS4 */ + .end = 0x100000ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = intcs_evt2irq(0x260), /* IRQ3 */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct smsc911x_platform_config smsc9221_platdata = { + .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS, + .phy_interface = PHY_INTERFACE_MODE_MII, + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, +}; + +static struct platform_device smsc_device = { + .name = "smsc911x", + .dev = { + .platform_data = &smsc9221_platdata, + }, + .resource = smsc9221_resources, + .num_resources = ARRAY_SIZE(smsc9221_resources), +}; + +/* USB external chip */ +static struct r8a66597_platdata usb_host_data = { + .on_chip = 0, + .xtal = R8A66597_PLATDATA_XTAL_48MHZ, +}; + +static struct resource usb_resources[] = { + [0] = { + .start = 0x10010000, + .end = 0x1001ffff - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = intcs_evt2irq(0x220), /* IRQ1 */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device usb_host_device = { + .name = "r8a66597_hcd", + .dev = { + .platform_data = &usb_host_data, + .dma_mask = NULL, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(usb_resources), + .resource = usb_resources, +}; + +/* LCDC */ +static struct fb_videomode kzm_lcdc_mode = { + .name = "WVGA Panel", + .xres = 800, + .yres = 480, + .left_margin = 220, + .right_margin = 110, + .hsync_len = 70, + .upper_margin = 20, + .lower_margin = 5, + .vsync_len = 5, + .sync = 0, +}; + +static struct sh_mobile_lcdc_info lcdc_info = { + .clock_source = LCDC_CLK_BUS, + .ch[0] = { + .chan = LCDC_CHAN_MAINLCD, + .fourcc = V4L2_PIX_FMT_RGB565, + .interface_type = RGB24, + .lcd_modes = &kzm_lcdc_mode, + .num_modes = 1, + .clock_divider = 5, + .flags = 0, + .panel_cfg = { + .width = 152, + .height = 91, + }, + } +}; + +static struct resource lcdc_resources[] = { + [0] = { + .name = "LCDC", + .start = 0xfe940000, + .end = 0xfe943fff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = intcs_evt2irq(0x580), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device lcdc_device = { + .name = "sh_mobile_lcdc_fb", + .num_resources = ARRAY_SIZE(lcdc_resources), + .resource = lcdc_resources, + .dev = { + .platform_data = &lcdc_info, + .coherent_dma_mask = ~0, + }, +}; + +/* MMCIF */ +static struct resource sh_mmcif_resources[] = { + [0] = { + .name = "MMCIF", + .start = 0xe6bd0000, + .end = 0xe6bd00ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_spi(141), + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = gic_spi(140), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct sh_mmcif_plat_data sh_mmcif_platdata = { + .ocr = MMC_VDD_165_195, + .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE, +}; + +static struct platform_device mmc_device = { + .name = "sh_mmcif", + .dev = { + .dma_mask = NULL, + .coherent_dma_mask = 0xffffffff, + .platform_data = &sh_mmcif_platdata, + }, + .num_resources = ARRAY_SIZE(sh_mmcif_resources), + .resource = sh_mmcif_resources, +}; + +/* SDHI */ +static struct sh_mobile_sdhi_info sdhi0_info = { + .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT, + .tmio_caps = MMC_CAP_SD_HIGHSPEED, + .tmio_ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29, +}; + +static struct resource sdhi0_resources[] = { + [0] = { + .name = "SDHI0", + .start = 0xee100000, + .end = 0xee1000ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .name = SH_MOBILE_SDHI_IRQ_CARD_DETECT, + .start = gic_spi(83), + .flags = IORESOURCE_IRQ, + }, + [2] = { + .name = SH_MOBILE_SDHI_IRQ_SDCARD, + .start = gic_spi(84), + .flags = IORESOURCE_IRQ, + }, + [3] = { + .name = SH_MOBILE_SDHI_IRQ_SDIO, + .start = gic_spi(85), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device sdhi0_device = { + .name = "sh_mobile_sdhi", + .num_resources = ARRAY_SIZE(sdhi0_resources), + .resource = sdhi0_resources, + .dev = { + .platform_data = &sdhi0_info, + }, +}; + +/* KEY */ +#define GPIO_KEY(c, g, d) { .code = c, .gpio = g, .desc = d, .active_low = 1 } + +static struct gpio_keys_button gpio_buttons[] = { + GPIO_KEY(KEY_BACK, GPIO_PCF8575_PORT10, "SW3"), + GPIO_KEY(KEY_RIGHT, GPIO_PCF8575_PORT11, "SW2-R"), + GPIO_KEY(KEY_LEFT, GPIO_PCF8575_PORT12, "SW2-L"), + GPIO_KEY(KEY_ENTER, GPIO_PCF8575_PORT13, "SW2-P"), + GPIO_KEY(KEY_UP, GPIO_PCF8575_PORT14, "SW2-U"), + GPIO_KEY(KEY_DOWN, GPIO_PCF8575_PORT15, "SW2-D"), + GPIO_KEY(KEY_HOME, GPIO_PCF8575_PORT16, "SW1"), +}; + +static struct gpio_keys_platform_data gpio_key_info = { + .buttons = gpio_buttons, + .nbuttons = ARRAY_SIZE(gpio_buttons), + .poll_interval = 250, /* poling at this point */ +}; + +static struct platform_device gpio_keys_device = { + /* gpio-pcf857x.c driver doesn't support gpio_to_irq() */ + .name = "gpio-keys-polled", + .dev = { + .platform_data = &gpio_key_info, + }, +}; + +/* I2C */ +static struct pcf857x_platform_data pcf8575_pdata = { + .gpio_base = GPIO_PCF8575_BASE, +}; + +static struct i2c_board_info i2c1_devices[] = { + { + I2C_BOARD_INFO("st1232-ts", 0x55), + .irq = intcs_evt2irq(0x300), /* IRQ8 */ + }, +}; + +static struct i2c_board_info i2c3_devices[] = { + { + I2C_BOARD_INFO("pcf8575", 0x20), + .platform_data = &pcf8575_pdata, + }, +}; + +static struct platform_device *kzm_devices[] __initdata = { + &smsc_device, + &usb_host_device, + &lcdc_device, + &mmc_device, + &sdhi0_device, + &gpio_keys_device, +}; + +/* + * FIXME + * + * This is quick hack for enabling LCDC backlight + */ +static int __init as3711_enable_lcdc_backlight(void) +{ + struct i2c_adapter *a = i2c_get_adapter(0); + struct i2c_msg msg; + int i, ret; + __u8 magic[] = { + 0x40, 0x2a, + 0x43, 0x3c, + 0x44, 0x3c, + 0x45, 0x3c, + 0x54, 0x03, + 0x51, 0x00, + 0x51, 0x01, + 0xff, 0x00, /* wait */ + 0x43, 0xf0, + 0x44, 0xf0, + 0x45, 0xf0, + }; + + if (!machine_is_kzm9g()) + return 0; + + if (!a) + return 0; + + msg.addr = 0x40; + msg.len = 2; + msg.flags = 0; + + for (i = 0; i < ARRAY_SIZE(magic); i += 2) { + msg.buf = magic + i; + + if (0xff == msg.buf[0]) { + udelay(500); + continue; + } + + ret = i2c_transfer(a, &msg, 1); + if (ret < 0) { + pr_err("i2c transfer fail\n"); + break; + } + } + + return 0; +} +device_initcall(as3711_enable_lcdc_backlight); + +static void __init kzm_init(void) +{ + sh73a0_pinmux_init(); + + /* enable SCIFA4 */ + gpio_request(GPIO_FN_SCIFA4_TXD, NULL); + gpio_request(GPIO_FN_SCIFA4_RXD, NULL); + gpio_request(GPIO_FN_SCIFA4_RTS_, NULL); + gpio_request(GPIO_FN_SCIFA4_CTS_, NULL); + + /* CS4 for SMSC/USB */ + gpio_request(GPIO_FN_CS4_, NULL); /* CS4 */ + + /* SMSC */ + gpio_request(GPIO_PORT224, NULL); /* IRQ3 */ + gpio_direction_input(GPIO_PORT224); + + /* LCDC */ + gpio_request(GPIO_FN_LCDD23, NULL); + gpio_request(GPIO_FN_LCDD22, NULL); + gpio_request(GPIO_FN_LCDD21, NULL); + gpio_request(GPIO_FN_LCDD20, NULL); + gpio_request(GPIO_FN_LCDD19, NULL); + gpio_request(GPIO_FN_LCDD18, NULL); + gpio_request(GPIO_FN_LCDD17, NULL); + gpio_request(GPIO_FN_LCDD16, NULL); + gpio_request(GPIO_FN_LCDD15, NULL); + gpio_request(GPIO_FN_LCDD14, NULL); + gpio_request(GPIO_FN_LCDD13, NULL); + gpio_request(GPIO_FN_LCDD12, NULL); + gpio_request(GPIO_FN_LCDD11, NULL); + gpio_request(GPIO_FN_LCDD10, NULL); + gpio_request(GPIO_FN_LCDD9, NULL); + gpio_request(GPIO_FN_LCDD8, NULL); + gpio_request(GPIO_FN_LCDD7, NULL); + gpio_request(GPIO_FN_LCDD6, NULL); + gpio_request(GPIO_FN_LCDD5, NULL); + gpio_request(GPIO_FN_LCDD4, NULL); + gpio_request(GPIO_FN_LCDD3, NULL); + gpio_request(GPIO_FN_LCDD2, NULL); + gpio_request(GPIO_FN_LCDD1, NULL); + gpio_request(GPIO_FN_LCDD0, NULL); + gpio_request(GPIO_FN_LCDDISP, NULL); + gpio_request(GPIO_FN_LCDDCK, NULL); + + gpio_request(GPIO_PORT222, NULL); /* LCDCDON */ + gpio_request(GPIO_PORT226, NULL); /* SC */ + gpio_direction_output(GPIO_PORT222, 1); + gpio_direction_output(GPIO_PORT226, 1); + + /* Touchscreen */ + gpio_request(GPIO_PORT223, NULL); /* IRQ8 */ + gpio_direction_input(GPIO_PORT223); + + /* enable MMCIF */ + gpio_request(GPIO_FN_MMCCLK0, NULL); + gpio_request(GPIO_FN_MMCCMD0_PU, NULL); + gpio_request(GPIO_FN_MMCD0_0_PU, NULL); + gpio_request(GPIO_FN_MMCD0_1_PU, NULL); + gpio_request(GPIO_FN_MMCD0_2_PU, NULL); + gpio_request(GPIO_FN_MMCD0_3_PU, NULL); + gpio_request(GPIO_FN_MMCD0_4_PU, NULL); + gpio_request(GPIO_FN_MMCD0_5_PU, NULL); + gpio_request(GPIO_FN_MMCD0_6_PU, NULL); + gpio_request(GPIO_FN_MMCD0_7_PU, NULL); + + /* enable SD */ + gpio_request(GPIO_FN_SDHIWP0, NULL); + gpio_request(GPIO_FN_SDHICD0, NULL); + gpio_request(GPIO_FN_SDHICMD0, NULL); + gpio_request(GPIO_FN_SDHICLK0, NULL); + gpio_request(GPIO_FN_SDHID0_3, NULL); + gpio_request(GPIO_FN_SDHID0_2, NULL); + gpio_request(GPIO_FN_SDHID0_1, NULL); + gpio_request(GPIO_FN_SDHID0_0, NULL); + gpio_request(GPIO_FN_SDHI0_VCCQ_MC0_ON, NULL); + gpio_request(GPIO_PORT15, NULL); + gpio_direction_output(GPIO_PORT15, 1); /* power */ + + /* I2C 3 */ + gpio_request(GPIO_FN_PORT27_I2C_SCL3, NULL); + gpio_request(GPIO_FN_PORT28_I2C_SDA3, NULL); + +#ifdef CONFIG_CACHE_L2X0 + /* Early BRESP enable, Shared attribute override enable, 64K*8way */ + l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff); +#endif + + i2c_register_board_info(1, i2c1_devices, ARRAY_SIZE(i2c1_devices)); + i2c_register_board_info(3, i2c3_devices, ARRAY_SIZE(i2c3_devices)); + + sh73a0_add_standard_devices(); + platform_add_devices(kzm_devices, ARRAY_SIZE(kzm_devices)); +} + +static const char *kzm9g_boards_compat_dt[] __initdata = { + "renesas,kzm9g", + NULL, +}; + +DT_MACHINE_START(KZM9G_DT, "kzm9g") + .map_io = sh73a0_map_io, + .init_early = sh73a0_add_early_devices, + .nr_irqs = NR_IRQS_LEGACY, + .init_irq = sh73a0_init_irq, + .handle_irq = gic_handle_irq, + .init_machine = kzm_init, + .timer = &shmobile_timer, + .dt_compat = kzm9g_boards_compat_dt, +MACHINE_END |