2 * linux/arch/arm/mach-mmp/ttc_dkb.c
4 * Support for the Marvell PXA910-based TTC_DKB Development Platform.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * publishhed by the Free Software Foundation.
11 #include <linux/init.h>
12 #include <linux/kernel.h>
13 #include <linux/platform_device.h>
14 #include <linux/mtd/mtd.h>
15 #include <linux/mtd/partitions.h>
16 #include <linux/mtd/onenand.h>
17 #include <linux/interrupt.h>
18 #include <linux/i2c/pca953x.h>
19 #include <linux/gpio.h>
21 #include <asm/mach-types.h>
22 #include <asm/mach/arch.h>
23 #include <asm/mach/flash.h>
24 #include <mach/addr-map.h>
25 #include <mach/mfp-pxa910.h>
26 #include <mach/pxa910.h>
27 #include <mach/irqs.h>
31 #define TTCDKB_GPIO_EXT0(x) (MMP_NR_BUILTIN_GPIO + ((x < 0) ? 0 : \
33 #define TTCDKB_GPIO_EXT1(x) (MMP_NR_BUILTIN_GPIO + 16 + ((x < 0) ? 0 : \
37 * 16 board interrupts -- MAX7312 GPIO expander
38 * 16 board interrupts -- PCA9575 GPIO expander
39 * 24 board interrupts -- 88PM860x PMIC
41 #define TTCDKB_NR_IRQS (MMP_NR_IRQS + 16 + 16 + 24)
43 static unsigned long ttc_dkb_pin_config[] __initdata = {
73 static struct mtd_partition ttc_dkb_onenand_partitions[] = {
78 .mask_flags = MTD_WRITEABLE,
81 .offset = MTDPART_OFS_APPEND,
83 .mask_flags = MTD_WRITEABLE,
86 .offset = MTDPART_OFS_APPEND,
88 .mask_flags = MTD_WRITEABLE,
91 .offset = MTDPART_OFS_APPEND,
92 .size = (SZ_2M + SZ_1M),
96 .offset = MTDPART_OFS_APPEND,
97 .size = SZ_32M + SZ_16M,
102 static struct onenand_platform_data ttc_dkb_onenand_info = {
103 .parts = ttc_dkb_onenand_partitions,
104 .nr_parts = ARRAY_SIZE(ttc_dkb_onenand_partitions),
107 static struct resource ttc_dkb_resource_onenand[] = {
109 .start = SMC_CS0_PHYS_BASE,
110 .end = SMC_CS0_PHYS_BASE + SZ_1M,
111 .flags = IORESOURCE_MEM,
115 static struct platform_device ttc_dkb_device_onenand = {
116 .name = "onenand-flash",
118 .resource = ttc_dkb_resource_onenand,
119 .num_resources = ARRAY_SIZE(ttc_dkb_resource_onenand),
121 .platform_data = &ttc_dkb_onenand_info,
125 static struct platform_device *ttc_dkb_devices[] = {
128 &ttc_dkb_device_onenand,
131 static struct pca953x_platform_data max7312_data[] = {
133 .gpio_base = TTCDKB_GPIO_EXT0(0),
134 .irq_base = MMP_NR_IRQS,
138 static struct i2c_board_info ttc_dkb_i2c_info[] = {
142 .irq = MMP_GPIO_TO_IRQ(80),
143 .platform_data = &max7312_data,
147 static void __init ttc_dkb_init(void)
149 mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));
151 /* on-chip devices */
154 /* off-chip devices */
155 pxa910_add_twsi(0, NULL, ARRAY_AND_SIZE(ttc_dkb_i2c_info));
156 platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));
159 MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
160 .map_io = mmp_map_io,
161 .nr_irqs = TTCDKB_NR_IRQS,
162 .init_irq = pxa910_init_irq,
163 .timer = &pxa910_timer,
164 .init_machine = ttc_dkb_init,
165 .restart = mmp_restart,