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315 lines
7.4 KiB
315 lines
7.4 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* linux/arch/arm/mach-mmp/ttc_dkb.c |
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* |
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* Support for the Marvell PXA910-based TTC_DKB Development Platform. |
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*/ |
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#include <linux/init.h> |
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#include <linux/kernel.h> |
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#include <linux/platform_device.h> |
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#include <linux/mtd/mtd.h> |
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#include <linux/mtd/partitions.h> |
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#include <linux/mtd/onenand.h> |
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#include <linux/interrupt.h> |
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#include <linux/platform_data/pca953x.h> |
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#include <linux/gpio.h> |
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#include <linux/gpio-pxa.h> |
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#include <linux/mfd/88pm860x.h> |
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#include <linux/platform_data/mv_usb.h> |
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#include <linux/spi/spi.h> |
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#include <linux/delay.h> |
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#include <asm/mach-types.h> |
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#include <asm/mach/arch.h> |
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#include <asm/mach/flash.h> |
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#include "addr-map.h" |
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#include "mfp-pxa910.h" |
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#include "pxa910.h" |
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#include "irqs.h" |
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#include "regs-usb.h" |
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#include "common.h" |
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#define TTCDKB_GPIO_EXT0(x) (MMP_NR_BUILTIN_GPIO + ((x < 0) ? 0 : \ |
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((x < 16) ? x : 15))) |
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#define TTCDKB_GPIO_EXT1(x) (MMP_NR_BUILTIN_GPIO + 16 + ((x < 0) ? 0 : \ |
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((x < 16) ? x : 15))) |
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/* |
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* 16 board interrupts -- MAX7312 GPIO expander |
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* 16 board interrupts -- PCA9575 GPIO expander |
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* 24 board interrupts -- 88PM860x PMIC |
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*/ |
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#define TTCDKB_NR_IRQS (MMP_NR_IRQS + 16 + 16 + 24) |
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static unsigned long ttc_dkb_pin_config[] __initdata = { |
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/* UART2 */ |
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GPIO47_UART2_RXD, |
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GPIO48_UART2_TXD, |
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/* DFI */ |
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DF_IO0_ND_IO0, |
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DF_IO1_ND_IO1, |
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DF_IO2_ND_IO2, |
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DF_IO3_ND_IO3, |
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DF_IO4_ND_IO4, |
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DF_IO5_ND_IO5, |
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DF_IO6_ND_IO6, |
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DF_IO7_ND_IO7, |
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DF_IO8_ND_IO8, |
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DF_IO9_ND_IO9, |
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DF_IO10_ND_IO10, |
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DF_IO11_ND_IO11, |
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DF_IO12_ND_IO12, |
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DF_IO13_ND_IO13, |
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DF_IO14_ND_IO14, |
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DF_IO15_ND_IO15, |
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DF_nCS0_SM_nCS2_nCS0, |
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DF_ALE_SM_WEn_ND_ALE, |
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DF_CLE_SM_OEn_ND_CLE, |
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DF_WEn_DF_WEn, |
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DF_REn_DF_REn, |
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DF_RDY0_DF_RDY0, |
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}; |
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static struct pxa_gpio_platform_data pxa910_gpio_pdata = { |
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.irq_base = MMP_GPIO_TO_IRQ(0), |
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}; |
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static struct mtd_partition ttc_dkb_onenand_partitions[] = { |
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{ |
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.name = "bootloader", |
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.offset = 0, |
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.size = SZ_1M, |
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.mask_flags = MTD_WRITEABLE, |
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}, { |
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.name = "reserved", |
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.offset = MTDPART_OFS_APPEND, |
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.size = SZ_128K, |
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.mask_flags = MTD_WRITEABLE, |
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}, { |
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.name = "reserved", |
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.offset = MTDPART_OFS_APPEND, |
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.size = SZ_8M, |
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.mask_flags = MTD_WRITEABLE, |
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}, { |
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.name = "kernel", |
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.offset = MTDPART_OFS_APPEND, |
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.size = (SZ_2M + SZ_1M), |
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.mask_flags = 0, |
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}, { |
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.name = "filesystem", |
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.offset = MTDPART_OFS_APPEND, |
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.size = SZ_32M + SZ_16M, |
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.mask_flags = 0, |
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} |
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}; |
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static struct onenand_platform_data ttc_dkb_onenand_info = { |
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.parts = ttc_dkb_onenand_partitions, |
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.nr_parts = ARRAY_SIZE(ttc_dkb_onenand_partitions), |
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}; |
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static struct resource ttc_dkb_resource_onenand[] = { |
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[0] = { |
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.start = SMC_CS0_PHYS_BASE, |
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.end = SMC_CS0_PHYS_BASE + SZ_1M, |
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.flags = IORESOURCE_MEM, |
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}, |
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}; |
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static struct platform_device ttc_dkb_device_onenand = { |
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.name = "onenand-flash", |
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.id = -1, |
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.resource = ttc_dkb_resource_onenand, |
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.num_resources = ARRAY_SIZE(ttc_dkb_resource_onenand), |
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.dev = { |
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.platform_data = &ttc_dkb_onenand_info, |
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}, |
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}; |
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static struct platform_device *ttc_dkb_devices[] = { |
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&pxa910_device_gpio, |
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&pxa910_device_rtc, |
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&ttc_dkb_device_onenand, |
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}; |
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static struct pca953x_platform_data max7312_data[] = { |
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{ |
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.gpio_base = TTCDKB_GPIO_EXT0(0), |
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.irq_base = MMP_NR_IRQS, |
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}, |
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}; |
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static struct pm860x_platform_data ttc_dkb_pm8607_info = { |
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.irq_base = IRQ_BOARD_START, |
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}; |
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static struct i2c_board_info ttc_dkb_i2c_info[] = { |
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{ |
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.type = "88PM860x", |
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.addr = 0x34, |
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.platform_data = &ttc_dkb_pm8607_info, |
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.irq = IRQ_PXA910_PMIC_INT, |
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}, |
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{ |
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.type = "max7312", |
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.addr = 0x23, |
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.irq = MMP_GPIO_TO_IRQ(80), |
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.platform_data = &max7312_data, |
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}, |
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}; |
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#if IS_ENABLED(CONFIG_USB_SUPPORT) |
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#if IS_ENABLED(CONFIG_USB_MV_UDC) || IS_ENABLED(CONFIG_USB_EHCI_MV_U2O) |
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static struct mv_usb_platform_data ttc_usb_pdata = { |
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.vbus = NULL, |
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.mode = MV_USB_MODE_OTG, |
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.otg_force_a_bus_req = 1, |
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.phy_init = pxa_usb_phy_init, |
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.phy_deinit = pxa_usb_phy_deinit, |
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.set_vbus = NULL, |
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}; |
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#endif |
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#endif |
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#if IS_ENABLED(CONFIG_MTD_NAND_MARVELL) |
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static struct pxa3xx_nand_platform_data dkb_nand_info = {}; |
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#endif |
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#if IS_ENABLED(CONFIG_MMP_DISP) |
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/* path config */ |
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#define CFG_IOPADMODE(iopad) (iopad) /* 0x0 ~ 0xd */ |
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#define SCLK_SOURCE_SELECT(x) (x << 30) /* 0x0 ~ 0x3 */ |
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/* link config */ |
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#define CFG_DUMBMODE(mode) (mode << 28) /* 0x0 ~ 0x6*/ |
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static struct mmp_mach_path_config dkb_disp_config[] = { |
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[0] = { |
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.name = "mmp-parallel", |
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.overlay_num = 2, |
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.output_type = PATH_OUT_PARALLEL, |
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.path_config = CFG_IOPADMODE(0x1) |
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| SCLK_SOURCE_SELECT(0x1), |
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.link_config = CFG_DUMBMODE(0x2), |
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}, |
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}; |
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static struct mmp_mach_plat_info dkb_disp_info = { |
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.name = "mmp-disp", |
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.clk_name = "disp0", |
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.path_num = 1, |
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.paths = dkb_disp_config, |
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}; |
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static struct mmp_buffer_driver_mach_info dkb_fb_info = { |
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.name = "mmp-fb", |
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.path_name = "mmp-parallel", |
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.overlay_id = 0, |
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.dmafetch_id = 1, |
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.default_pixfmt = PIXFMT_RGB565, |
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}; |
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static void dkb_tpo_panel_power(int on) |
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{ |
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int err; |
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u32 spi_reset = mfp_to_gpio(MFP_PIN_GPIO106); |
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if (on) { |
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err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET"); |
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if (err) { |
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pr_err("failed to request GPIO for TPO LCD RESET\n"); |
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return; |
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} |
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gpio_direction_output(spi_reset, 0); |
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udelay(100); |
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gpio_set_value(spi_reset, 1); |
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gpio_free(spi_reset); |
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} else { |
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err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET"); |
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if (err) { |
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pr_err("failed to request LCD RESET gpio\n"); |
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return; |
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} |
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gpio_set_value(spi_reset, 0); |
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gpio_free(spi_reset); |
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} |
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} |
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static struct mmp_mach_panel_info dkb_tpo_panel_info = { |
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.name = "tpo-hvga", |
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.plat_path_name = "mmp-parallel", |
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.plat_set_onoff = dkb_tpo_panel_power, |
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}; |
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static struct spi_board_info spi_board_info[] __initdata = { |
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{ |
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.modalias = "tpo-hvga", |
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.platform_data = &dkb_tpo_panel_info, |
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.bus_num = 5, |
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} |
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}; |
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static void __init add_disp(void) |
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{ |
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pxa_register_device(&pxa910_device_disp, |
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&dkb_disp_info, sizeof(dkb_disp_info)); |
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spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); |
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pxa_register_device(&pxa910_device_fb, |
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&dkb_fb_info, sizeof(dkb_fb_info)); |
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pxa_register_device(&pxa910_device_panel, |
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&dkb_tpo_panel_info, sizeof(dkb_tpo_panel_info)); |
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} |
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#endif |
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static void __init ttc_dkb_init(void) |
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{ |
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mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config)); |
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/* on-chip devices */ |
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pxa910_add_uart(1); |
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#if IS_ENABLED(CONFIG_MTD_NAND_MARVELL) |
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pxa910_add_nand(&dkb_nand_info); |
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#endif |
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/* off-chip devices */ |
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pxa910_add_twsi(0, NULL, ARRAY_AND_SIZE(ttc_dkb_i2c_info)); |
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platform_device_add_data(&pxa910_device_gpio, &pxa910_gpio_pdata, |
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sizeof(struct pxa_gpio_platform_data)); |
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platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices)); |
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#if IS_ENABLED(CONFIG_USB_SUPPORT) |
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#if IS_ENABLED(CONFIG_PHY_PXA_USB) |
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platform_device_register(&pxa168_device_usb_phy); |
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#endif |
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#if IS_ENABLED(CONFIG_USB_MV_UDC) |
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pxa168_device_u2o.dev.platform_data = &ttc_usb_pdata; |
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platform_device_register(&pxa168_device_u2o); |
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#endif |
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#if IS_ENABLED(CONFIG_USB_EHCI_MV_U2O) |
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pxa168_device_u2oehci.dev.platform_data = &ttc_usb_pdata; |
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platform_device_register(&pxa168_device_u2oehci); |
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#endif |
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#if IS_ENABLED(CONFIG_USB_MV_OTG) |
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pxa168_device_u2ootg.dev.platform_data = &ttc_usb_pdata; |
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platform_device_register(&pxa168_device_u2ootg); |
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#endif |
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#endif |
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#if IS_ENABLED(CONFIG_MMP_DISP) |
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add_disp(); |
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#endif |
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} |
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MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform") |
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.map_io = mmp_map_io, |
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.nr_irqs = TTCDKB_NR_IRQS, |
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.init_irq = pxa910_init_irq, |
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.init_time = pxa910_timer_init, |
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.init_machine = ttc_dkb_init, |
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.restart = mmp_restart, |
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MACHINE_END
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