diff options
Diffstat (limited to 'arch/arm/mach-mmp/teton_bga.c')
-rw-r--r-- | arch/arm/mach-mmp/teton_bga.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/teton_bga.c b/arch/arm/mach-mmp/teton_bga.c new file mode 100644 index 000000000..7111535f3 --- /dev/null +++ b/arch/arm/mach-mmp/teton_bga.c @@ -0,0 +1,100 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-mmp/teton_bga.c + * + * Support for the Marvell PXA168 Teton BGA Development Platform. + * + * Author: Mark F. Brown <mark.brown314@gmail.com> + * + * This code is based on aspenite.c + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <linux/gpio-pxa.h> +#include <linux/input.h> +#include <linux/platform_data/keypad-pxa27x.h> +#include <linux/i2c.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include "addr-map.h" +#include "mfp-pxa168.h" +#include "pxa168.h" +#include "teton_bga.h" +#include "irqs.h" + +#include "common.h" + +static unsigned long teton_bga_pin_config[] __initdata = { + /* UART1 */ + GPIO107_UART1_TXD, + GPIO108_UART1_RXD, + + /* Keypad */ + GPIO109_KP_MKIN1, + GPIO110_KP_MKIN0, + GPIO111_KP_MKOUT7, + GPIO112_KP_MKOUT6, + + /* I2C Bus */ + GPIO105_CI2C_SDA, + GPIO106_CI2C_SCL, + + /* RTC */ + GPIO78_GPIO, +}; + +static struct pxa_gpio_platform_data pxa168_gpio_pdata = { + .irq_base = MMP_GPIO_TO_IRQ(0), +}; + +static unsigned int teton_bga_matrix_key_map[] = { + KEY(0, 6, KEY_ESC), + KEY(0, 7, KEY_ENTER), + KEY(1, 6, KEY_LEFT), + KEY(1, 7, KEY_RIGHT), +}; + +static struct matrix_keymap_data teton_bga_matrix_keymap_data = { + .keymap = teton_bga_matrix_key_map, + .keymap_size = ARRAY_SIZE(teton_bga_matrix_key_map), +}; + +static struct pxa27x_keypad_platform_data teton_bga_keypad_info __initdata = { + .matrix_key_rows = 2, + .matrix_key_cols = 8, + .matrix_keymap_data = &teton_bga_matrix_keymap_data, + .debounce_interval = 30, +}; + +static struct i2c_board_info teton_bga_i2c_info[] __initdata = { + { + I2C_BOARD_INFO("ds1337", 0x68), + .irq = MMP_GPIO_TO_IRQ(RTC_INT_GPIO) + }, +}; + +static void __init teton_bga_init(void) +{ + mfp_config(ARRAY_AND_SIZE(teton_bga_pin_config)); + + /* on-chip devices */ + pxa168_add_uart(1); + pxa168_add_keypad(&teton_bga_keypad_info); + pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(teton_bga_i2c_info)); + platform_device_add_data(&pxa168_device_gpio, &pxa168_gpio_pdata, + sizeof(struct pxa_gpio_platform_data)); + platform_device_register(&pxa168_device_gpio); +} + +MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform") + .map_io = mmp_map_io, + .nr_irqs = MMP_NR_IRQS, + .init_irq = pxa168_init_irq, + .init_time = pxa168_timer_init, + .init_machine = teton_bga_init, + .restart = pxa168_restart, +MACHINE_END |