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|
/*
* AP4EVB board support
*
* Copyright (C) 2010 Magnus Damm
* Copyright (C) 2008 Yoshihiro Shimoda
*
* 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/clk.h>
#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/mfd/tmio.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sh_mobile_sdhi.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/mmc/sh_mmcif.h>
#include <linux/i2c.h>
#include <linux/i2c/tsc2007.h>
#include <linux/io.h>
#include <linux/smsc911x.h>
#include <linux/sh_intc.h>
#include <linux/sh_clk.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/leds.h>
#include <linux/input/sh_keysc.h>
#include <linux/usb/r8a66597.h>
#include <linux/pm_clock.h>
#include <linux/dma-mapping.h>
#include <media/sh_mobile_ceu.h>
#include <media/sh_mobile_csi2.h>
#include <media/soc_camera.h>
#include <sound/sh_fsi.h>
#include <video/sh_mobile_hdmi.h>
#include <video/sh_mobile_lcdc.h>
#include <video/sh_mipi_dsi.h>
#include <mach/common.h>
#include <mach/irqs.h>
#include <mach/sh7372.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/setup.h>
/*
* Address Interface BusWidth note
* ------------------------------------------------------------------
* 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON
* 0x0800_0000 user area -
* 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF
* 0x1400_0000 Ether (LAN9220) 16bit
* 0x1600_0000 user area - cannot use with NAND
* 0x1800_0000 user area -
* 0x1A00_0000 -
* 0x4000_0000 LPDDR2-SDRAM (POP) 32bit
*/
/*
* NOR Flash ROM
*
* SW1 | SW2 | SW7 | NOR Flash ROM
* bit1 | bit1 bit2 | bit1 | Memory allocation
* ------+------------+------+------------------
* OFF | ON OFF | ON | Area 0
* OFF | ON OFF | OFF | Area 4
*/
/*
* NAND Flash ROM
*
* SW1 | SW2 | SW7 | NAND Flash ROM
* bit1 | bit1 bit2 | bit2 | Memory allocation
* ------+------------+------+------------------
* OFF | ON OFF | ON | FCE 0
* OFF | ON OFF | OFF | FCE 1
*/
/*
* SMSC 9220
*
* SW1 SMSC 9220
* -----------------------
* ON access disable
* OFF access enable
*/
/*
* LCD / IRQ / KEYSC / IrDA
*
* IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (QHD-TouchScreen)
* LCD = 2nd LCDC (WVGA)
*
* | SW43 |
* SW3 | ON | OFF |
* -------------+-----------------------+---------------+
* ON | KEY / IrDA | LCD |
* OFF | KEY / IrDA / IRQ | IRQ |
*
*
* QHD / WVGA display
*
* You can choice display type on menuconfig.
* Then, check above dip-switch.
*/
/*
* USB
*
* J7 : 1-2 MAX3355E VBUS
* 2-3 DC 5.0V
*
* S39: bit2: off
*/
/*
* FSI/FSMI
*
* SW41 : ON : SH-Mobile AP4 Audio Mode
* : OFF : Bluetooth Audio Mode
*/
/*
* MMC0/SDHI1 (CN7)
*
* J22 : select card voltage
* 1-2 pin : 1.8v
* 2-3 pin : 3.3v
*
* SW1 | SW33
* | bit1 | bit2 | bit3 | bit4
* ------------+------+------+------+-------
* MMC0 OFF | OFF | ON | ON | X
* SDHI1 OFF | ON | X | OFF | ON
*
* voltage lebel
* CN7 : 1.8v
* CN12: 3.3v
*/
/* MTD */
static struct mtd_partition nor_flash_partitions[] = {
{
.name = "loader",
.offset = 0x00000000,
.size = 512 * 1024,
.mask_flags = MTD_WRITEABLE,
},
{
.name = "bootenv",
.offset = MTDPART_OFS_APPEND,
.size = 512 * 1024,
.mask_flags = MTD_WRITEABLE,
},
{
.name = "kernel_ro",
.offset = MTDPART_OFS_APPEND,
.size = 8 * 1024 * 1024,
.mask_flags = MTD_WRITEABLE,
},
{
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = 8 * 1024 * 1024,
},
{
.name = "data",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static struct physmap_flash_data nor_flash_data = {
.width = 2,
.parts = nor_flash_partitions,
.nr_parts = ARRAY_SIZE(nor_flash_partitions),
};
static struct resource nor_flash_resources[] = {
[0] = {
.start = 0x20000000, /* CS0 shadow instead of regular CS0 */
.end = 0x28000000 - 1, /* needed by USB MASK ROM boot */
.flags = IORESOURCE_MEM,
}
};
static struct platform_device nor_flash_device = {
.name = "physmap-flash",
.dev = {
.platform_data = &nor_flash_data,
},
.num_resources = ARRAY_SIZE(nor_flash_resources),
.resource = nor_flash_resources,
};
/* SMSC 9220 */
static struct resource smc911x_resources[] = {
{
.start = 0x14000000,
.end = 0x16000000 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = evt2irq(0x02c0) /* IRQ6A */,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
},
};
static struct smsc911x_platform_config smsc911x_info = {
.flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
};
static struct platform_device smc911x_device = {
.name = "smsc911x",
.id = -1,
.num_resources = ARRAY_SIZE(smc911x_resources),
.resource = smc911x_resources,
.dev = {
.platform_data = &smsc911x_info,
},
};
/*
* The card detect pin of the top SD/MMC slot (CN7) is active low and is
* connected to GPIO A22 of SH7372 (GPIO_PORT41).
*/
static int slot_cn7_get_cd(struct platform_device *pdev)
{
return !gpio_get_value(GPIO_PORT41);
}
/* MERAM */
static struct sh_mobile_meram_info meram_info = {
.addr_mode = SH_MOBILE_MERAM_MODE1,
};
static struct resource meram_resources[] = {
[0] = {
.name = "MERAM",
.start = 0xe8000000,
.end = 0xe81fffff,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device meram_device = {
.name = "sh_mobile_meram",
.id = 0,
.num_resources = ARRAY_SIZE(meram_resources),
.resource = meram_resources,
.dev = {
.platform_data = &meram_info,
},
};
/* SH_MMCIF */
static struct resource sh_mmcif_resources[] = {
[0] = {
.name = "MMCIF",
.start = 0xE6BD0000,
.end = 0xE6BD00FF,
.flags = IORESOURCE_MEM,
},
[1] = {
/* MMC ERR */
.start = evt2irq(0x1ac0),
.flags = IORESOURCE_IRQ,
},
[2] = {
/* MMC NOR */
.start = evt2irq(0x1ae0),
.flags = IORESOURCE_IRQ,
},
};
static struct sh_mmcif_plat_data sh_mmcif_plat = {
.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,
.get_cd = slot_cn7_get_cd,
.slave_id_tx = SHDMA_SLAVE_MMCIF_TX,
.slave_id_rx = SHDMA_SLAVE_MMCIF_RX,
};
static struct platform_device sh_mmcif_device = {
.name = "sh_mmcif",
.id = 0,
.dev = {
.dma_mask = NULL,
.coherent_dma_mask = 0xffffffff,
.platform_data = &sh_mmcif_plat,
},
.num_resources = ARRAY_SIZE(sh_mmcif_resources),
.resource = sh_mmcif_resources,
};
/* SDHI0 */
static struct sh_mobile_sdhi_info sdhi0_info = {
.dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
.dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
.tmio_caps = MMC_CAP_SDIO_IRQ,
};
static struct resource sdhi0_resources[] = {
[0] = {
.name = "SDHI0",
.start = 0xe6850000,
.end = 0xe68500ff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0x0e00) /* SDHI0_SDHI0I0 */,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = evt2irq(0x0e20) /* SDHI0_SDHI0I1 */,
.flags = IORESOURCE_IRQ,
},
[3] = {
.start = evt2irq(0x0e40) /* SDHI0_SDHI0I2 */,
.flags = IORESOURCE_IRQ,
},
};
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_info,
},
};
/* SDHI1 */
static struct sh_mobile_sdhi_info sdhi1_info = {
.dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
.dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
.tmio_ocr_mask = MMC_VDD_165_195,
.tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
.tmio_caps = MMC_CAP_NEEDS_POLL | MMC_CAP_SDIO_IRQ,
.get_cd = slot_cn7_get_cd,
};
static struct resource sdhi1_resources[] = {
[0] = {
.name = "SDHI1",
.start = 0xe6860000,
.end = 0xe68600ff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0x0e80), /* SDHI1_SDHI1I0 */
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = evt2irq(0x0ea0), /* SDHI1_SDHI1I1 */
.flags = IORESOURCE_IRQ,
},
[3] = {
.start = evt2irq(0x0ec0), /* SDHI1_SDHI1I2 */
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device sdhi1_device = {
.name = "sh_mobile_sdhi",
.num_resources = ARRAY_SIZE(sdhi1_resources),
.resource = sdhi1_resources,
.id = 1,
.dev = {
.platform_data = &sdhi1_info,
},
};
/* USB1 */
static void usb1_host_port_power(int port, int power)
{
if (!power) /* only power-on supported for now */
return;
/* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
__raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
}
static struct r8a66597_platdata usb1_host_data = {
.on_chip = 1,
.port_power = usb1_host_port_power,
};
static struct resource usb1_host_resources[] = {
[0] = {
.name = "USBHS",
.start = 0xE68B0000,
.end = 0xE68B00E6 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0x1ce0) /* USB1_USB1I0 */,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device usb1_host_device = {
.name = "r8a66597_hcd",
.id = 1,
.dev = {
.dma_mask = NULL, /* not use dma */
.coherent_dma_mask = 0xffffffff,
.platform_data = &usb1_host_data,
},
.num_resources = ARRAY_SIZE(usb1_host_resources),
.resource = usb1_host_resources,
};
static const struct fb_videomode ap4evb_lcdc_modes[] = {
{
#ifdef CONFIG_AP4EVB_QHD
.name = "R63302(QHD)",
.xres = 544,
.yres = 961,
.left_margin = 72,
.right_margin = 600,
.hsync_len = 16,
.upper_margin = 8,
.lower_margin = 8,
.vsync_len = 2,
.sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
#else
.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,
#endif
},
};
static struct sh_mobile_meram_cfg lcd_meram_cfg = {
.icb[0] = {
.marker_icb = 28,
.cache_icb = 24,
.meram_offset = 0x0,
.meram_size = 0x40,
},
.icb[1] = {
.marker_icb = 29,
.cache_icb = 25,
.meram_offset = 0x40,
.meram_size = 0x40,
},
};
static struct sh_mobile_lcdc_info lcdc_info = {
.meram_dev = &meram_info,
.ch[0] = {
.chan = LCDC_CHAN_MAINLCD,
.fourcc = V4L2_PIX_FMT_RGB565,
.lcd_cfg = ap4evb_lcdc_modes,
.num_cfg = ARRAY_SIZE(ap4evb_lcdc_modes),
.meram_cfg = &lcd_meram_cfg,
}
};
static struct resource lcdc_resources[] = {
[0] = {
.name = "LCDC",
.start = 0xfe940000, /* P4-only space */
.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,
},
};
/*
* QHD display
*/
#ifdef CONFIG_AP4EVB_QHD
/* KEYSC (Needs SW43 set to ON) */
static struct sh_keysc_info keysc_info = {
.mode = SH_KEYSC_MODE_1,
.scan_timing = 3,
.delay = 2500,
.keycodes = {
KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
},
};
static struct resource keysc_resources[] = {
[0] = {
.name = "KEYSC",
.start = 0xe61b0000,
.end = 0xe61b0063,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0x0be0), /* KEYSC_KEY */
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device keysc_device = {
.name = "sh_keysc",
.id = 0, /* "keysc0" clock */
.num_resources = ARRAY_SIZE(keysc_resources),
.resource = keysc_resources,
.dev = {
.platform_data = &keysc_info,
},
};
/* MIPI-DSI */
#define PHYCTRL 0x0070
static int sh_mipi_set_dot_clock(struct platform_device *pdev,
void __iomem *base,
int enable)
{
struct clk *pck = clk_get(&pdev->dev, "dsip_clk");
void __iomem *phy = base + PHYCTRL;
if (IS_ERR(pck))
return PTR_ERR(pck);
if (enable) {
clk_set_rate(pck, clk_round_rate(pck, 24000000));
iowrite32(ioread32(phy) | (0xb << 8), phy);
clk_enable(pck);
} else {
clk_disable(pck);
}
clk_put(pck);
return 0;
}
static struct resource mipidsi0_resources[] = {
[0] = {
.start = 0xffc60000,
.end = 0xffc63073,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 0xffc68000,
.end = 0xffc680ef,
.flags = IORESOURCE_MEM,
},
};
static struct sh_mipi_dsi_info mipidsi0_info = {
.data_format = MIPI_RGB888,
.lcd_chan = &lcdc_info.ch[0],
.lane = 2,
.vsynw_offset = 17,
.flags = SH_MIPI_DSI_SYNC_PULSES_MODE |
SH_MIPI_DSI_HSbyteCLK,
.set_dot_clock = sh_mipi_set_dot_clock,
};
static struct platform_device mipidsi0_device = {
.name = "sh-mipi-dsi",
.num_resources = ARRAY_SIZE(mipidsi0_resources),
.resource = mipidsi0_resources,
.id = 0,
.dev = {
.platform_data = &mipidsi0_info,
},
};
static struct platform_device *qhd_devices[] __initdata = {
&mipidsi0_device,
&keysc_device,
};
#endif /* CONFIG_AP4EVB_QHD */
/* FSI */
#define IRQ_FSI evt2irq(0x1840)
static int __fsi_set_rate(struct clk *clk, long rate, int enable)
{
int ret = 0;
if (rate <= 0)
return ret;
if (enable) {
ret = clk_set_rate(clk, rate);
if (0 == ret)
ret = clk_enable(clk);
} else {
clk_disable(clk);
}
return ret;
}
static int __fsi_set_round_rate(struct clk *clk, long rate, int enable)
{
return __fsi_set_rate(clk, clk_round_rate(clk, rate), enable);
}
static int fsi_ak4642_set_rate(struct device *dev, int rate, int enable)
{
struct clk *fsia_ick;
struct clk *fsiack;
int ret = -EIO;
fsia_ick = clk_get(dev, "icka");
if (IS_ERR(fsia_ick))
return PTR_ERR(fsia_ick);
/*
* FSIACK is connected to AK4642,
* and use external clock pin from it.
* it is parent of fsia_ick now.
*/
fsiack = clk_get_parent(fsia_ick);
if (!fsiack)
goto fsia_ick_out;
/*
* we get 1/1 divided clock by setting same rate to fsiack and fsia_ick
*
** FIXME **
* Because the freq_table of external clk (fsiack) are all 0,
* the return value of clk_round_rate became 0.
* So, it use __fsi_set_rate here.
*/
ret = __fsi_set_rate(fsiack, rate, enable);
if (ret < 0)
goto fsiack_out;
ret = __fsi_set_round_rate(fsia_ick, rate, enable);
if ((ret < 0) && enable)
__fsi_set_round_rate(fsiack, rate, 0); /* disable FSI ACK */
fsiack_out:
clk_put(fsiack);
fsia_ick_out:
clk_put(fsia_ick);
return 0;
}
static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
{
struct clk *fsib_clk;
struct clk *fdiv_clk = &sh7372_fsidivb_clk;
long fsib_rate = 0;
long fdiv_rate = 0;
int ackmd_bpfmd;
int ret;
switch (rate) {
case 44100:
fsib_rate = rate * 256;
ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
break;
case 48000:
fsib_rate = 85428000; /* around 48kHz x 256 x 7 */
fdiv_rate = rate * 256;
ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
break;
default:
pr_err("unsupported rate in FSI2 port B\n");
return -EINVAL;
}
/* FSI B setting */
fsib_clk = clk_get(dev, "ickb");
if (IS_ERR(fsib_clk))
return -EIO;
ret = __fsi_set_round_rate(fsib_clk, fsib_rate, enable);
if (ret < 0)
goto fsi_set_rate_end;
/* FSI DIV setting */
ret = __fsi_set_round_rate(fdiv_clk, fdiv_rate, enable);
if (ret < 0) {
/* disable FSI B */
if (enable)
__fsi_set_round_rate(fsib_clk, fsib_rate, 0);
goto fsi_set_rate_end;
}
ret = ackmd_bpfmd;
fsi_set_rate_end:
clk_put(fsib_clk);
return ret;
}
static int fsi_set_rate(struct device *dev, int is_porta, int rate, int enable)
{
int ret;
if (is_porta)
ret = fsi_ak4642_set_rate(dev, rate, enable);
else
ret = fsi_hdmi_set_rate(dev, rate, enable);
return ret;
}
static struct sh_fsi_platform_info fsi_info = {
.porta_flags = SH_FSI_BRS_INV,
.portb_flags = SH_FSI_BRS_INV |
SH_FSI_BRM_INV |
SH_FSI_LRS_INV |
SH_FSI_FMT_SPDIF,
.set_rate = fsi_set_rate,
};
static struct resource fsi_resources[] = {
[0] = {
.name = "FSI",
.start = 0xFE3C0000,
.end = 0xFE3C0400 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_FSI,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device fsi_device = {
.name = "sh_fsi2",
.id = -1,
.num_resources = ARRAY_SIZE(fsi_resources),
.resource = fsi_resources,
.dev = {
.platform_data = &fsi_info,
},
};
static struct fsi_ak4642_info fsi2_ak4643_info = {
.name = "AK4643",
.card = "FSI2A-AK4643",
.cpu_dai = "fsia-dai",
.codec = "ak4642-codec.0-0013",
.platform = "sh_fsi2",
.id = FSI_PORT_A,
};
static struct platform_device fsi_ak4643_device = {
.name = "fsi-ak4642-audio",
.dev = {
.platform_data = &fsi_info,
},
};
static struct sh_mobile_meram_cfg hdmi_meram_cfg = {
.icb[0] = {
.marker_icb = 30,
.cache_icb = 26,
.meram_offset = 0x80,
.meram_size = 0x100,
},
.icb[1] = {
.marker_icb = 31,
.cache_icb = 27,
.meram_offset = 0x180,
.meram_size = 0x100,
},
};
static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
.clock_source = LCDC_CLK_EXTERNAL,
.meram_dev = &meram_info,
.ch[0] = {
.chan = LCDC_CHAN_MAINLCD,
.fourcc = V4L2_PIX_FMT_RGB565,
.interface_type = RGB24,
.clock_divider = 1,
.flags = LCDC_FLAGS_DWPOL,
.meram_cfg = &hdmi_meram_cfg,
}
};
static struct resource lcdc1_resources[] = {
[0] = {
.name = "LCDC1",
.start = 0xfe944000,
.end = 0xfe947fff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = intcs_evt2irq(0x1780),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device lcdc1_device = {
.name = "sh_mobile_lcdc_fb",
.num_resources = ARRAY_SIZE(lcdc1_resources),
.resource = lcdc1_resources,
.id = 1,
.dev = {
.platform_data = &sh_mobile_lcdc1_info,
.coherent_dma_mask = ~0,
},
};
static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
unsigned long *parent_freq);
static struct sh_mobile_hdmi_info hdmi_info = {
.lcd_chan = &sh_mobile_lcdc1_info.ch[0],
.lcd_dev = &lcdc1_device.dev,
.flags = HDMI_SND_SRC_SPDIF,
.clk_optimize_parent = ap4evb_clk_optimize,
};
static struct resource hdmi_resources[] = {
[0] = {
.name = "HDMI",
.start = 0xe6be0000,
.end = 0xe6be00ff,
.flags = IORESOURCE_MEM,
},
[1] = {
/* There's also an HDMI interrupt on INTCS @ 0x18e0 */
.start = evt2irq(0x17e0),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device hdmi_device = {
.name = "sh-mobile-hdmi",
.num_resources = ARRAY_SIZE(hdmi_resources),
.resource = hdmi_resources,
.id = -1,
.dev = {
.platform_data = &hdmi_info,
},
};
static struct platform_device fsi_hdmi_device = {
.name = "sh_fsi2_b_hdmi",
};
static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
unsigned long *parent_freq)
{
struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
long error;
if (IS_ERR(hdmi_ick)) {
int ret = PTR_ERR(hdmi_ick);
pr_err("Cannot get HDMI ICK: %d\n", ret);
return ret;
}
error = clk_round_parent(hdmi_ick, target, best_freq, parent_freq, 1, 64);
clk_put(hdmi_ick);
return error;
}
static struct gpio_led ap4evb_leds[] = {
{
.name = "led4",
.gpio = GPIO_PORT185,
.default_state = LEDS_GPIO_DEFSTATE_ON,
},
{
.name = "led2",
.gpio = GPIO_PORT186,
.default_state = LEDS_GPIO_DEFSTATE_ON,
},
{
.name = "led3",
.gpio = GPIO_PORT187,
.default_state = LEDS_GPIO_DEFSTATE_ON,
},
{
.name = "led1",
.gpio = GPIO_PORT188,
.default_state = LEDS_GPIO_DEFSTATE_ON,
}
};
static struct gpio_led_platform_data ap4evb_leds_pdata = {
.num_leds = ARRAY_SIZE(ap4evb_leds),
.leds = ap4evb_leds,
};
static struct platform_device leds_device = {
.name = "leds-gpio",
.id = 0,
.dev = {
.platform_data = &ap4evb_leds_pdata,
},
};
static struct i2c_board_info imx074_info = {
I2C_BOARD_INFO("imx074", 0x1a),
};
static struct soc_camera_link imx074_link = {
.bus_id = 0,
.board_info = &imx074_info,
.i2c_adapter_id = 0,
.module_name = "imx074",
};
static struct platform_device ap4evb_camera = {
.name = "soc-camera-pdrv",
.id = 0,
.dev = {
.platform_data = &imx074_link,
},
};
static struct sh_csi2_client_config csi2_clients[] = {
{
.phy = SH_CSI2_PHY_MAIN,
.lanes = 0, /* default: 2 lanes */
.channel = 0,
.pdev = &ap4evb_camera,
},
};
static struct sh_csi2_pdata csi2_info = {
.type = SH_CSI2C,
.clients = csi2_clients,
.num_clients = ARRAY_SIZE(csi2_clients),
.flags = SH_CSI2_ECC | SH_CSI2_CRC,
};
static struct resource csi2_resources[] = {
[0] = {
.name = "CSI2",
.start = 0xffc90000,
.end = 0xffc90fff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = intcs_evt2irq(0x17a0),
.flags = IORESOURCE_IRQ,
},
};
static struct sh_mobile_ceu_companion csi2 = {
.id = 0,
.num_resources = ARRAY_SIZE(csi2_resources),
.resource = csi2_resources,
.platform_data = &csi2_info,
};
static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
.flags = SH_CEU_FLAG_USE_8BIT_BUS,
.csi2 = &csi2,
};
static struct resource ceu_resources[] = {
[0] = {
.name = "CEU",
.start = 0xfe910000,
.end = 0xfe91009f,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = intcs_evt2irq(0x880),
.flags = IORESOURCE_IRQ,
},
[2] = {
/* place holder for contiguous memory */
},
};
static struct platform_device ceu_device = {
.name = "sh_mobile_ceu",
.id = 0, /* "ceu0" clock */
.num_resources = ARRAY_SIZE(ceu_resources),
.resource = ceu_resources,
.dev = {
.platform_data = &sh_mobile_ceu_info,
.coherent_dma_mask = 0xffffffff,
},
};
static struct platform_device *ap4evb_devices[] __initdata = {
&leds_device,
&nor_flash_device,
&smc911x_device,
&sdhi0_device,
&sdhi1_device,
&usb1_host_device,
&fsi_device,
&fsi_ak4643_device,
&fsi_hdmi_device,
&sh_mmcif_device,
&lcdc1_device,
&lcdc_device,
&hdmi_device,
&ceu_device,
&ap4evb_camera,
&meram_device,
};
static void __init hdmi_init_pm_clock(void)
{
struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
int ret;
long rate;
if (IS_ERR(hdmi_ick)) {
ret = PTR_ERR(hdmi_ick);
pr_err("Cannot get HDMI ICK: %d\n", ret);
goto out;
}
ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
if (ret < 0) {
pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
goto out;
}
pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
if (rate < 0) {
pr_err("Cannot get suitable rate: %ld\n", rate);
ret = rate;
goto out;
}
ret = clk_set_rate(&sh7372_pllc2_clk, rate);
if (ret < 0) {
pr_err("Cannot set rate %ld: %d\n", rate, ret);
goto out;
}
pr_debug("PLLC2 set frequency %lu\n", rate);
ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
if (ret < 0)
pr_err("Cannot set HDMI parent: %d\n", ret);
out:
if (!IS_ERR(hdmi_ick))
clk_put(hdmi_ick);
}
static void __init fsi_init_pm_clock(void)
{
struct clk *fsia_ick;
int ret;
fsia_ick = clk_get(&fsi_device.dev, "icka");
if (IS_ERR(fsia_ick)) {
ret = PTR_ERR(fsia_ick);
pr_err("Cannot get FSI ICK: %d\n", ret);
return;
}
ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
if (ret < 0)
pr_err("Cannot set FSI-A parent: %d\n", ret);
clk_put(fsia_ick);
}
/*
* FIXME !!
*
* gpio_no_direction
* are quick_hack.
*
* current gpio frame work doesn't have
* the method to control only pull up/down/free.
* this function should be replaced by correct gpio function
*/
static void __init gpio_no_direction(u32 addr)
{
__raw_writeb(0x00, addr);
}
/* TouchScreen */
#ifdef CONFIG_AP4EVB_QHD
# define GPIO_TSC_IRQ GPIO_FN_IRQ28_123
# define GPIO_TSC_PORT GPIO_PORT123
#else /* WVGA */
# define GPIO_TSC_IRQ GPIO_FN_IRQ7_40
# define GPIO_TSC_PORT GPIO_PORT40
#endif
#define IRQ28 evt2irq(0x3380) /* IRQ28A */
#define IRQ7 evt2irq(0x02e0) /* IRQ7A */
static int ts_get_pendown_state(void)
{
int val;
gpio_free(GPIO_TSC_IRQ);
gpio_request(GPIO_TSC_PORT, NULL);
gpio_direction_input(GPIO_TSC_PORT);
val = gpio_get_value(GPIO_TSC_PORT);
gpio_request(GPIO_TSC_IRQ, NULL);
return !val;
}
static int ts_init(void)
{
gpio_request(GPIO_TSC_IRQ, NULL);
return 0;
}
static struct tsc2007_platform_data tsc2007_info = {
.model = 2007,
.x_plate_ohms = 180,
.get_pendown_state = ts_get_pendown_state,
.init_platform_hw = ts_init,
};
static struct i2c_board_info tsc_device = {
I2C_BOARD_INFO("tsc2007", 0x48),
.type = "tsc2007",
.platform_data = &tsc2007_info,
/*.irq is selected on ap4evb_init */
};
/* I2C */
static struct i2c_board_info i2c0_devices[] = {
{
I2C_BOARD_INFO("ak4643", 0x13),
},
};
static struct i2c_board_info i2c1_devices[] = {
{
I2C_BOARD_INFO("r2025sd", 0x32),
},
};
#define GPIO_PORT9CR 0xE6051009
#define GPIO_PORT10CR 0xE605100A
#define USCCR1 0xE6058144
static void __init ap4evb_init(void)
{
u32 srcr4;
struct clk *clk;
/* External clock source */
clk_set_rate(&sh7372_dv_clki_clk, 27000000);
sh7372_pinmux_init();
/* enable SCIFA0 */
gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
/* enable SMSC911X */
gpio_request(GPIO_FN_CS5A, NULL);
gpio_request(GPIO_FN_IRQ6_39, NULL);
/* enable Debug switch (S6) */
gpio_request(GPIO_PORT32, NULL);
gpio_request(GPIO_PORT33, NULL);
gpio_request(GPIO_PORT34, NULL);
gpio_request(GPIO_PORT35, NULL);
gpio_direction_input(GPIO_PORT32);
gpio_direction_input(GPIO_PORT33);
gpio_direction_input(GPIO_PORT34);
gpio_direction_input(GPIO_PORT35);
gpio_export(GPIO_PORT32, 0);
gpio_export(GPIO_PORT33, 0);
gpio_export(GPIO_PORT34, 0);
gpio_export(GPIO_PORT35, 0);
/* SDHI0 */
gpio_request(GPIO_FN_SDHICD0, NULL);
gpio_request(GPIO_FN_SDHIWP0, 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);
/* SDHI1 */
gpio_request(GPIO_FN_SDHICMD1, NULL);
gpio_request(GPIO_FN_SDHICLK1, NULL);
gpio_request(GPIO_FN_SDHID1_3, NULL);
gpio_request(GPIO_FN_SDHID1_2, NULL);
gpio_request(GPIO_FN_SDHID1_1, NULL);
gpio_request(GPIO_FN_SDHID1_0, NULL);
/* MMCIF */
gpio_request(GPIO_FN_MMCD0_0, NULL);
gpio_request(GPIO_FN_MMCD0_1, NULL);
gpio_request(GPIO_FN_MMCD0_2, NULL);
gpio_request(GPIO_FN_MMCD0_3, NULL);
gpio_request(GPIO_FN_MMCD0_4, NULL);
gpio_request(GPIO_FN_MMCD0_5, NULL);
gpio_request(GPIO_FN_MMCD0_6, NULL);
gpio_request(GPIO_FN_MMCD0_7, NULL);
gpio_request(GPIO_FN_MMCCMD0, NULL);
gpio_request(GPIO_FN_MMCCLK0, NULL);
/* USB enable */
gpio_request(GPIO_FN_VBUS0_1, NULL);
gpio_request(GPIO_FN_IDIN_1_18, NULL);
gpio_request(GPIO_FN_PWEN_1_115, NULL);
gpio_request(GPIO_FN_OVCN_1_114, NULL);
gpio_request(GPIO_FN_EXTLP_1, NULL);
gpio_request(GPIO_FN_OVCN2_1, NULL);
/* setup USB phy */
__raw_writew(0x8a0a, 0xE6058130); /* USBCR4 */
/* enable FSI2 port A (ak4643) */
gpio_request(GPIO_FN_FSIAIBT, NULL);
gpio_request(GPIO_FN_FSIAILR, NULL);
gpio_request(GPIO_FN_FSIAISLD, NULL);
gpio_request(GPIO_FN_FSIAOSLD, NULL);
gpio_request(GPIO_PORT161, NULL);
gpio_direction_output(GPIO_PORT161, 0); /* slave */
gpio_request(GPIO_PORT9, NULL);
gpio_request(GPIO_PORT10, NULL);
gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */
gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
/* card detect pin for MMC slot (CN7) */
gpio_request(GPIO_PORT41, NULL);
gpio_direction_input(GPIO_PORT41);
/* setup FSI2 port B (HDMI) */
gpio_request(GPIO_FN_FSIBCK, NULL);
__raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */
/* set SPU2 clock to 119.6 MHz */
clk = clk_get(NULL, "spu_clk");
if (!IS_ERR(clk)) {
clk_set_rate(clk, clk_round_rate(clk, 119600000));
clk_put(clk);
}
/*
* set irq priority, to avoid sound chopping
* when NFS rootfs is used
* FSI(3) > SMSC911X(2)
*/
intc_set_priority(IRQ_FSI, 3);
i2c_register_board_info(0, i2c0_devices,
ARRAY_SIZE(i2c0_devices));
i2c_register_board_info(1, i2c1_devices,
ARRAY_SIZE(i2c1_devices));
#ifdef CONFIG_AP4EVB_QHD
/*
* For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
* IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
*/
/* enable KEYSC */
gpio_request(GPIO_FN_KEYOUT0, NULL);
gpio_request(GPIO_FN_KEYOUT1, NULL);
gpio_request(GPIO_FN_KEYOUT2, NULL);
gpio_request(GPIO_FN_KEYOUT3, NULL);
gpio_request(GPIO_FN_KEYOUT4, NULL);
gpio_request(GPIO_FN_KEYIN0_136, NULL);
gpio_request(GPIO_FN_KEYIN1_135, NULL);
gpio_request(GPIO_FN_KEYIN2_134, NULL);
gpio_request(GPIO_FN_KEYIN3_133, NULL);
gpio_request(GPIO_FN_KEYIN4, NULL);
/* enable TouchScreen */
irq_set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
tsc_device.irq = IRQ28;
i2c_register_board_info(1, &tsc_device, 1);
/* LCDC0 */
lcdc_info.clock_source = LCDC_CLK_PERIPHERAL;
lcdc_info.ch[0].interface_type = RGB24;
lcdc_info.ch[0].clock_divider = 1;
lcdc_info.ch[0].flags = LCDC_FLAGS_DWPOL;
lcdc_info.ch[0].lcd_size_cfg.width = 44;
lcdc_info.ch[0].lcd_size_cfg.height = 79;
platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));
#else
/*
* For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
* IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
*/
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_PORT189, NULL); /* backlight */
gpio_direction_output(GPIO_PORT189, 1);
gpio_request(GPIO_PORT151, NULL); /* LCDDON */
gpio_direction_output(GPIO_PORT151, 1);
lcdc_info.clock_source = LCDC_CLK_BUS;
lcdc_info.ch[0].interface_type = RGB18;
lcdc_info.ch[0].clock_divider = 3;
lcdc_info.ch[0].flags = 0;
lcdc_info.ch[0].lcd_size_cfg.width = 152;
lcdc_info.ch[0].lcd_size_cfg.height = 91;
/* enable TouchScreen */
irq_set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
tsc_device.irq = IRQ7;
i2c_register_board_info(0, &tsc_device, 1);
#endif /* CONFIG_AP4EVB_QHD */
/* CEU */
/*
* TODO: reserve memory for V4L2 DMA buffers, when a suitable API
* becomes available
*/
/* MIPI-CSI stuff */
gpio_request(GPIO_FN_VIO_CKO, NULL);
clk = clk_get(NULL, "vck1_clk");
if (!IS_ERR(clk)) {
clk_set_rate(clk, clk_round_rate(clk, 13000000));
clk_enable(clk);
clk_put(clk);
}
sh7372_add_standard_devices();
/* HDMI */
gpio_request(GPIO_FN_HDMI_HPD, NULL);
gpio_request(GPIO_FN_HDMI_CEC, NULL);
/* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
#define SRCR4 0xe61580bc
srcr4 = __raw_readl(SRCR4);
__raw_writel(srcr4 | (1 << 13), SRCR4);
udelay(50);
__raw_writel(srcr4 & ~(1 << 13), SRCR4);
platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc1_device);
sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc_device);
sh7372_add_device_to_domain(&sh7372_a4mp, &fsi_device);
sh7372_add_device_to_domain(&sh7372_a3sp, &sh_mmcif_device);
sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi0_device);
sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi1_device);
sh7372_add_device_to_domain(&sh7372_a4r, &ceu_device);
hdmi_init_pm_clock();
fsi_init_pm_clock();
sh7372_pm_init();
pm_clk_add(&fsi_device.dev, "spu2");
pm_clk_add(&lcdc1_device.dev, "hdmi");
}
MACHINE_START(AP4EVB, "ap4evb")
.map_io = sh7372_map_io,
.init_early = sh7372_add_early_devices,
.init_irq = sh7372_init_irq,
.handle_irq = shmobile_handle_irq_intc,
.init_machine = ap4evb_init,
.timer = &shmobile_timer,
MACHINE_END
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