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linux/arch/arm/mach-mmp/ttc_dkb.c
Vivien Didelot 5877457a96 gpio: (gpio-pca953x) move header to linux/platform_data/ 
This patch moves the pca953x.h header from include/linux/i2c to
include/linux/platform_data and updates existing support accordingly.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-08-29 12:33:52 -07:00

318 lines
7.4 KiB
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/*
* linux/arch/arm/mach-mmp/ttc_dkb.c
*
* Support for the Marvell PXA910-based TTC_DKB Development Platform.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* publishhed by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/onenand.h>
#include <linux/interrupt.h>
#include <linux/platform_data/pca953x.h>
#include <linux/gpio.h>
#include <linux/gpio-pxa.h>
#include <linux/mfd/88pm860x.h>
#include <linux/platform_data/mv_usb.h>
#include <linux/spi/spi.h>
#include <linux/delay.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <mach/addr-map.h>
#include <mach/mfp-pxa910.h>
#include <mach/pxa910.h>
#include <mach/irqs.h>
#include <mach/regs-usb.h>
#include "common.h"
#define TTCDKB_GPIO_EXT0(x) (MMP_NR_BUILTIN_GPIO + ((x < 0) ? 0 : \
((x < 16) ? x : 15)))
#define TTCDKB_GPIO_EXT1(x) (MMP_NR_BUILTIN_GPIO + 16 + ((x < 0) ? 0 : \
((x < 16) ? x : 15)))
/*
* 16 board interrupts -- MAX7312 GPIO expander
* 16 board interrupts -- PCA9575 GPIO expander
* 24 board interrupts -- 88PM860x PMIC
*/
#define TTCDKB_NR_IRQS (MMP_NR_IRQS + 16 + 16 + 24)
static unsigned long ttc_dkb_pin_config[] __initdata = {
/* UART2 */
GPIO47_UART2_RXD,
GPIO48_UART2_TXD,
/* DFI */
DF_IO0_ND_IO0,
DF_IO1_ND_IO1,
DF_IO2_ND_IO2,
DF_IO3_ND_IO3,
DF_IO4_ND_IO4,
DF_IO5_ND_IO5,
DF_IO6_ND_IO6,
DF_IO7_ND_IO7,
DF_IO8_ND_IO8,
DF_IO9_ND_IO9,
DF_IO10_ND_IO10,
DF_IO11_ND_IO11,
DF_IO12_ND_IO12,
DF_IO13_ND_IO13,
DF_IO14_ND_IO14,
DF_IO15_ND_IO15,
DF_nCS0_SM_nCS2_nCS0,
DF_ALE_SM_WEn_ND_ALE,
DF_CLE_SM_OEn_ND_CLE,
DF_WEn_DF_WEn,
DF_REn_DF_REn,
DF_RDY0_DF_RDY0,
};
static struct pxa_gpio_platform_data pxa910_gpio_pdata = {
.irq_base = MMP_GPIO_TO_IRQ(0),
};
static struct mtd_partition ttc_dkb_onenand_partitions[] = {
{
.name = "bootloader",
.offset = 0,
.size = SZ_1M,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "reserved",
.offset = MTDPART_OFS_APPEND,
.size = SZ_128K,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "reserved",
.offset = MTDPART_OFS_APPEND,
.size = SZ_8M,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = (SZ_2M + SZ_1M),
.mask_flags = 0,
}, {
.name = "filesystem",
.offset = MTDPART_OFS_APPEND,
.size = SZ_32M + SZ_16M,
.mask_flags = 0,
}
};
static struct onenand_platform_data ttc_dkb_onenand_info = {
.parts = ttc_dkb_onenand_partitions,
.nr_parts = ARRAY_SIZE(ttc_dkb_onenand_partitions),
};
static struct resource ttc_dkb_resource_onenand[] = {
[0] = {
.start = SMC_CS0_PHYS_BASE,
.end = SMC_CS0_PHYS_BASE + SZ_1M,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device ttc_dkb_device_onenand = {
.name = "onenand-flash",
.id = -1,
.resource = ttc_dkb_resource_onenand,
.num_resources = ARRAY_SIZE(ttc_dkb_resource_onenand),
.dev = {
.platform_data = &ttc_dkb_onenand_info,
},
};
static struct platform_device *ttc_dkb_devices[] = {
&pxa910_device_gpio,
&pxa910_device_rtc,
&ttc_dkb_device_onenand,
};
static struct pca953x_platform_data max7312_data[] = {
{
.gpio_base = TTCDKB_GPIO_EXT0(0),
.irq_base = MMP_NR_IRQS,
},
};
static struct pm860x_platform_data ttc_dkb_pm8607_info = {
.irq_base = IRQ_BOARD_START,
};
static struct i2c_board_info ttc_dkb_i2c_info[] = {
{
.type = "88PM860x",
.addr = 0x34,
.platform_data = &ttc_dkb_pm8607_info,
.irq = IRQ_PXA910_PMIC_INT,
},
{
.type = "max7312",
.addr = 0x23,
.irq = MMP_GPIO_TO_IRQ(80),
.platform_data = &max7312_data,
},
};
#ifdef CONFIG_USB_SUPPORT
#if defined(CONFIG_USB_MV_UDC) || defined(CONFIG_USB_EHCI_MV_U2O)
static struct mv_usb_platform_data ttc_usb_pdata = {
.vbus = NULL,
.mode = MV_USB_MODE_OTG,
.otg_force_a_bus_req = 1,
.phy_init = pxa_usb_phy_init,
.phy_deinit = pxa_usb_phy_deinit,
.set_vbus = NULL,
};
#endif
#endif
#ifdef CONFIG_MTD_NAND_PXA3xx
static struct pxa3xx_nand_platform_data dkb_nand_info = {
.enable_arbiter = 1,
.num_cs = 1,
};
#endif
#ifdef CONFIG_MMP_DISP
/* path config */
#define CFG_IOPADMODE(iopad) (iopad) /* 0x0 ~ 0xd */
#define SCLK_SOURCE_SELECT(x) (x << 30) /* 0x0 ~ 0x3 */
/* link config */
#define CFG_DUMBMODE(mode) (mode << 28) /* 0x0 ~ 0x6*/
#define CFG_GRA_SWAPRB(x) (x << 0) /* 1: rbswap enabled */
static struct mmp_mach_path_config dkb_disp_config[] = {
[0] = {
.name = "mmp-parallel",
.overlay_num = 2,
.output_type = PATH_OUT_PARALLEL,
.path_config = CFG_IOPADMODE(0x1)
| SCLK_SOURCE_SELECT(0x1),
.link_config = CFG_DUMBMODE(0x2)
| CFG_GRA_SWAPRB(0x1),
},
};
static struct mmp_mach_plat_info dkb_disp_info = {
.name = "mmp-disp",
.clk_name = "disp0",
.path_num = 1,
.paths = dkb_disp_config,
};
static struct mmp_buffer_driver_mach_info dkb_fb_info = {
.name = "mmp-fb",
.path_name = "mmp-parallel",
.overlay_id = 0,
.dmafetch_id = 1,
.default_pixfmt = PIXFMT_RGB565,
};
static void dkb_tpo_panel_power(int on)
{
int err;
u32 spi_reset = mfp_to_gpio(MFP_PIN_GPIO106);
if (on) {
err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
if (err) {
pr_err("failed to request GPIO for TPO LCD RESET\n");
return;
}
gpio_direction_output(spi_reset, 0);
udelay(100);
gpio_set_value(spi_reset, 1);
gpio_free(spi_reset);
} else {
err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
if (err) {
pr_err("failed to request LCD RESET gpio\n");
return;
}
gpio_set_value(spi_reset, 0);
gpio_free(spi_reset);
}
}
static struct mmp_mach_panel_info dkb_tpo_panel_info = {
.name = "tpo-hvga",
.plat_path_name = "mmp-parallel",
.plat_set_onoff = dkb_tpo_panel_power,
};
static struct spi_board_info spi_board_info[] __initdata = {
{
.modalias = "tpo-hvga",
.platform_data = &dkb_tpo_panel_info,
.bus_num = 5,
}
};
static void __init add_disp(void)
{
pxa_register_device(&pxa910_device_disp,
&dkb_disp_info, sizeof(dkb_disp_info));
spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
pxa_register_device(&pxa910_device_fb,
&dkb_fb_info, sizeof(dkb_fb_info));
pxa_register_device(&pxa910_device_panel,
&dkb_tpo_panel_info, sizeof(dkb_tpo_panel_info));
}
#endif
static void __init ttc_dkb_init(void)
{
mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));
/* on-chip devices */
pxa910_add_uart(1);
#ifdef CONFIG_MTD_NAND_PXA3xx
pxa910_add_nand(&dkb_nand_info);
#endif
/* off-chip devices */
pxa910_add_twsi(0, NULL, ARRAY_AND_SIZE(ttc_dkb_i2c_info));
platform_device_add_data(&pxa910_device_gpio, &pxa910_gpio_pdata,
sizeof(struct pxa_gpio_platform_data));
platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));
#ifdef CONFIG_USB_MV_UDC
pxa168_device_u2o.dev.platform_data = &ttc_usb_pdata;
platform_device_register(&pxa168_device_u2o);
#endif
#ifdef CONFIG_USB_EHCI_MV_U2O
pxa168_device_u2oehci.dev.platform_data = &ttc_usb_pdata;
platform_device_register(&pxa168_device_u2oehci);
#endif
#ifdef CONFIG_USB_MV_OTG
pxa168_device_u2ootg.dev.platform_data = &ttc_usb_pdata;
platform_device_register(&pxa168_device_u2ootg);
#endif
#ifdef CONFIG_MMP_DISP
add_disp();
#endif
}
MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
.map_io = mmp_map_io,
.nr_irqs = TTCDKB_NR_IRQS,
.init_irq = pxa910_init_irq,
.init_time = pxa910_timer_init,
.init_machine = ttc_dkb_init,
.restart = mmp_restart,
MACHINE_END
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