461 lines
11 KiB
C
461 lines
11 KiB
C
/*
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* KZM-A9-GT board support
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*
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* Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <linux/delay.h>
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#include <linux/gpio.h>
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#include <linux/gpio_keys.h>
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#include <linux/io.h>
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#include <linux/irq.h>
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#include <linux/i2c.h>
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#include <linux/i2c/pcf857x.h>
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#include <linux/input.h>
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#include <linux/mmc/host.h>
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#include <linux/mmc/sh_mmcif.h>
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#include <linux/mmc/sh_mobile_sdhi.h>
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#include <linux/mfd/tmio.h>
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#include <linux/platform_device.h>
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#include <linux/smsc911x.h>
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#include <linux/usb/r8a66597.h>
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#include <linux/videodev2.h>
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#include <mach/irqs.h>
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#include <mach/sh73a0.h>
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#include <mach/common.h>
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#include <asm/hardware/cache-l2x0.h>
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#include <asm/hardware/gic.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <video/sh_mobile_lcdc.h>
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/*
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* external GPIO
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*/
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#define GPIO_PCF8575_BASE (GPIO_NR)
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#define GPIO_PCF8575_PORT10 (GPIO_NR + 8)
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#define GPIO_PCF8575_PORT11 (GPIO_NR + 9)
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#define GPIO_PCF8575_PORT12 (GPIO_NR + 10)
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#define GPIO_PCF8575_PORT13 (GPIO_NR + 11)
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#define GPIO_PCF8575_PORT14 (GPIO_NR + 12)
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#define GPIO_PCF8575_PORT15 (GPIO_NR + 13)
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#define GPIO_PCF8575_PORT16 (GPIO_NR + 14)
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/* SMSC 9221 */
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static struct resource smsc9221_resources[] = {
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[0] = {
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.start = 0x10000000, /* CS4 */
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.end = 0x100000ff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = intcs_evt2irq(0x260), /* IRQ3 */
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct smsc911x_platform_config smsc9221_platdata = {
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.flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
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.phy_interface = PHY_INTERFACE_MODE_MII,
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.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
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.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
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};
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static struct platform_device smsc_device = {
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.name = "smsc911x",
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.dev = {
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.platform_data = &smsc9221_platdata,
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},
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.resource = smsc9221_resources,
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.num_resources = ARRAY_SIZE(smsc9221_resources),
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};
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/* USB external chip */
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static struct r8a66597_platdata usb_host_data = {
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.on_chip = 0,
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.xtal = R8A66597_PLATDATA_XTAL_48MHZ,
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};
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static struct resource usb_resources[] = {
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[0] = {
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.start = 0x10010000,
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.end = 0x1001ffff - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = intcs_evt2irq(0x220), /* IRQ1 */
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device usb_host_device = {
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.name = "r8a66597_hcd",
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.dev = {
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.platform_data = &usb_host_data,
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.dma_mask = NULL,
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.coherent_dma_mask = 0xffffffff,
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},
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.num_resources = ARRAY_SIZE(usb_resources),
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.resource = usb_resources,
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};
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/* LCDC */
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static struct fb_videomode kzm_lcdc_mode = {
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.name = "WVGA Panel",
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.xres = 800,
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.yres = 480,
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.left_margin = 220,
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.right_margin = 110,
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.hsync_len = 70,
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.upper_margin = 20,
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.lower_margin = 5,
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.vsync_len = 5,
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.sync = 0,
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};
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static struct sh_mobile_lcdc_info lcdc_info = {
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.clock_source = LCDC_CLK_BUS,
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.ch[0] = {
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.chan = LCDC_CHAN_MAINLCD,
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.fourcc = V4L2_PIX_FMT_RGB565,
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.interface_type = RGB24,
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.lcd_modes = &kzm_lcdc_mode,
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.num_modes = 1,
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.clock_divider = 5,
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.flags = 0,
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.panel_cfg = {
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.width = 152,
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.height = 91,
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},
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}
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};
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static struct resource lcdc_resources[] = {
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[0] = {
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.name = "LCDC",
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.start = 0xfe940000,
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.end = 0xfe943fff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = intcs_evt2irq(0x580),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device lcdc_device = {
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.name = "sh_mobile_lcdc_fb",
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.num_resources = ARRAY_SIZE(lcdc_resources),
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.resource = lcdc_resources,
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.dev = {
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.platform_data = &lcdc_info,
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.coherent_dma_mask = ~0,
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},
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};
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/* MMCIF */
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static struct resource sh_mmcif_resources[] = {
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[0] = {
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.name = "MMCIF",
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.start = 0xe6bd0000,
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.end = 0xe6bd00ff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = gic_spi(141),
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.flags = IORESOURCE_IRQ,
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},
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[2] = {
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.start = gic_spi(140),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct sh_mmcif_plat_data sh_mmcif_platdata = {
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.ocr = MMC_VDD_165_195,
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.caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
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};
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static struct platform_device mmc_device = {
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.name = "sh_mmcif",
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.dev = {
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.dma_mask = NULL,
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.coherent_dma_mask = 0xffffffff,
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.platform_data = &sh_mmcif_platdata,
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},
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.num_resources = ARRAY_SIZE(sh_mmcif_resources),
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.resource = sh_mmcif_resources,
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};
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/* SDHI */
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static struct sh_mobile_sdhi_info sdhi0_info = {
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.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT,
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.tmio_caps = MMC_CAP_SD_HIGHSPEED,
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.tmio_ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29,
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};
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static struct resource sdhi0_resources[] = {
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[0] = {
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.name = "SDHI0",
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.start = 0xee100000,
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.end = 0xee1000ff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.name = SH_MOBILE_SDHI_IRQ_CARD_DETECT,
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.start = gic_spi(83),
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.flags = IORESOURCE_IRQ,
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},
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[2] = {
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.name = SH_MOBILE_SDHI_IRQ_SDCARD,
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.start = gic_spi(84),
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.flags = IORESOURCE_IRQ,
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},
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[3] = {
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.name = SH_MOBILE_SDHI_IRQ_SDIO,
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.start = gic_spi(85),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device sdhi0_device = {
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.name = "sh_mobile_sdhi",
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.num_resources = ARRAY_SIZE(sdhi0_resources),
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.resource = sdhi0_resources,
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.dev = {
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.platform_data = &sdhi0_info,
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},
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};
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/* KEY */
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#define GPIO_KEY(c, g, d) { .code = c, .gpio = g, .desc = d, .active_low = 1 }
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static struct gpio_keys_button gpio_buttons[] = {
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GPIO_KEY(KEY_BACK, GPIO_PCF8575_PORT10, "SW3"),
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GPIO_KEY(KEY_RIGHT, GPIO_PCF8575_PORT11, "SW2-R"),
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GPIO_KEY(KEY_LEFT, GPIO_PCF8575_PORT12, "SW2-L"),
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GPIO_KEY(KEY_ENTER, GPIO_PCF8575_PORT13, "SW2-P"),
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GPIO_KEY(KEY_UP, GPIO_PCF8575_PORT14, "SW2-U"),
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GPIO_KEY(KEY_DOWN, GPIO_PCF8575_PORT15, "SW2-D"),
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GPIO_KEY(KEY_HOME, GPIO_PCF8575_PORT16, "SW1"),
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};
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static struct gpio_keys_platform_data gpio_key_info = {
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.buttons = gpio_buttons,
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.nbuttons = ARRAY_SIZE(gpio_buttons),
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.poll_interval = 250, /* poling at this point */
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};
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static struct platform_device gpio_keys_device = {
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/* gpio-pcf857x.c driver doesn't support gpio_to_irq() */
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.name = "gpio-keys-polled",
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.dev = {
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.platform_data = &gpio_key_info,
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},
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};
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/* I2C */
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static struct pcf857x_platform_data pcf8575_pdata = {
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.gpio_base = GPIO_PCF8575_BASE,
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};
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static struct i2c_board_info i2c1_devices[] = {
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{
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I2C_BOARD_INFO("st1232-ts", 0x55),
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.irq = intcs_evt2irq(0x300), /* IRQ8 */
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},
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};
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static struct i2c_board_info i2c3_devices[] = {
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{
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I2C_BOARD_INFO("pcf8575", 0x20),
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.platform_data = &pcf8575_pdata,
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},
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};
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static struct platform_device *kzm_devices[] __initdata = {
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&smsc_device,
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&usb_host_device,
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&lcdc_device,
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&mmc_device,
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&sdhi0_device,
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&gpio_keys_device,
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};
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/*
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* FIXME
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*
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* This is quick hack for enabling LCDC backlight
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*/
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static int __init as3711_enable_lcdc_backlight(void)
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{
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struct i2c_adapter *a = i2c_get_adapter(0);
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struct i2c_msg msg;
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int i, ret;
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__u8 magic[] = {
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0x40, 0x2a,
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0x43, 0x3c,
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0x44, 0x3c,
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0x45, 0x3c,
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0x54, 0x03,
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0x51, 0x00,
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0x51, 0x01,
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0xff, 0x00, /* wait */
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0x43, 0xf0,
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0x44, 0xf0,
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0x45, 0xf0,
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};
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if (!machine_is_kzm9g())
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return 0;
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if (!a)
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return 0;
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msg.addr = 0x40;
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msg.len = 2;
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msg.flags = 0;
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for (i = 0; i < ARRAY_SIZE(magic); i += 2) {
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msg.buf = magic + i;
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if (0xff == msg.buf[0]) {
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udelay(500);
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continue;
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}
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ret = i2c_transfer(a, &msg, 1);
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if (ret < 0) {
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pr_err("i2c transfer fail\n");
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break;
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}
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}
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return 0;
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}
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device_initcall(as3711_enable_lcdc_backlight);
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static void __init kzm_init(void)
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{
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sh73a0_pinmux_init();
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/* enable SCIFA4 */
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gpio_request(GPIO_FN_SCIFA4_TXD, NULL);
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gpio_request(GPIO_FN_SCIFA4_RXD, NULL);
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gpio_request(GPIO_FN_SCIFA4_RTS_, NULL);
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gpio_request(GPIO_FN_SCIFA4_CTS_, NULL);
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/* CS4 for SMSC/USB */
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gpio_request(GPIO_FN_CS4_, NULL); /* CS4 */
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/* SMSC */
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gpio_request(GPIO_PORT224, NULL); /* IRQ3 */
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gpio_direction_input(GPIO_PORT224);
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/* LCDC */
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gpio_request(GPIO_FN_LCDD23, NULL);
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gpio_request(GPIO_FN_LCDD22, NULL);
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gpio_request(GPIO_FN_LCDD21, NULL);
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gpio_request(GPIO_FN_LCDD20, NULL);
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gpio_request(GPIO_FN_LCDD19, NULL);
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gpio_request(GPIO_FN_LCDD18, NULL);
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gpio_request(GPIO_FN_LCDD17, NULL);
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gpio_request(GPIO_FN_LCDD16, NULL);
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gpio_request(GPIO_FN_LCDD15, NULL);
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gpio_request(GPIO_FN_LCDD14, NULL);
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gpio_request(GPIO_FN_LCDD13, NULL);
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gpio_request(GPIO_FN_LCDD12, NULL);
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gpio_request(GPIO_FN_LCDD11, NULL);
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gpio_request(GPIO_FN_LCDD10, NULL);
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gpio_request(GPIO_FN_LCDD9, NULL);
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gpio_request(GPIO_FN_LCDD8, NULL);
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gpio_request(GPIO_FN_LCDD7, NULL);
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gpio_request(GPIO_FN_LCDD6, NULL);
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gpio_request(GPIO_FN_LCDD5, NULL);
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gpio_request(GPIO_FN_LCDD4, NULL);
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gpio_request(GPIO_FN_LCDD3, NULL);
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gpio_request(GPIO_FN_LCDD2, NULL);
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gpio_request(GPIO_FN_LCDD1, NULL);
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gpio_request(GPIO_FN_LCDD0, NULL);
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gpio_request(GPIO_FN_LCDDISP, NULL);
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gpio_request(GPIO_FN_LCDDCK, NULL);
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gpio_request(GPIO_PORT222, NULL); /* LCDCDON */
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gpio_request(GPIO_PORT226, NULL); /* SC */
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gpio_direction_output(GPIO_PORT222, 1);
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gpio_direction_output(GPIO_PORT226, 1);
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/* Touchscreen */
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gpio_request(GPIO_PORT223, NULL); /* IRQ8 */
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gpio_direction_input(GPIO_PORT223);
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/* enable MMCIF */
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gpio_request(GPIO_FN_MMCCLK0, NULL);
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gpio_request(GPIO_FN_MMCCMD0_PU, NULL);
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gpio_request(GPIO_FN_MMCD0_0_PU, NULL);
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gpio_request(GPIO_FN_MMCD0_1_PU, NULL);
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gpio_request(GPIO_FN_MMCD0_2_PU, NULL);
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gpio_request(GPIO_FN_MMCD0_3_PU, NULL);
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gpio_request(GPIO_FN_MMCD0_4_PU, NULL);
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gpio_request(GPIO_FN_MMCD0_5_PU, NULL);
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gpio_request(GPIO_FN_MMCD0_6_PU, NULL);
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gpio_request(GPIO_FN_MMCD0_7_PU, NULL);
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/* enable SD */
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gpio_request(GPIO_FN_SDHIWP0, NULL);
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gpio_request(GPIO_FN_SDHICD0, NULL);
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gpio_request(GPIO_FN_SDHICMD0, NULL);
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gpio_request(GPIO_FN_SDHICLK0, NULL);
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gpio_request(GPIO_FN_SDHID0_3, NULL);
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gpio_request(GPIO_FN_SDHID0_2, NULL);
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gpio_request(GPIO_FN_SDHID0_1, NULL);
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gpio_request(GPIO_FN_SDHID0_0, NULL);
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gpio_request(GPIO_FN_SDHI0_VCCQ_MC0_ON, NULL);
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gpio_request(GPIO_PORT15, NULL);
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gpio_direction_output(GPIO_PORT15, 1); /* power */
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/* I2C 3 */
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gpio_request(GPIO_FN_PORT27_I2C_SCL3, NULL);
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gpio_request(GPIO_FN_PORT28_I2C_SDA3, NULL);
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#ifdef CONFIG_CACHE_L2X0
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/* Early BRESP enable, Shared attribute override enable, 64K*8way */
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l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff);
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#endif
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i2c_register_board_info(1, i2c1_devices, ARRAY_SIZE(i2c1_devices));
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i2c_register_board_info(3, i2c3_devices, ARRAY_SIZE(i2c3_devices));
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sh73a0_add_standard_devices();
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platform_add_devices(kzm_devices, ARRAY_SIZE(kzm_devices));
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}
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static const char *kzm9g_boards_compat_dt[] __initdata = {
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"renesas,kzm9g",
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NULL,
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};
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DT_MACHINE_START(KZM9G_DT, "kzm9g")
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.map_io = sh73a0_map_io,
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.init_early = sh73a0_add_early_devices,
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.nr_irqs = NR_IRQS_LEGACY,
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.init_irq = sh73a0_init_irq,
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.handle_irq = gic_handle_irq,
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.init_machine = kzm_init,
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.timer = &shmobile_timer,
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.dt_compat = kzm9g_boards_compat_dt,
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MACHINE_END
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