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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/arm/mach-mmp/teton_bga.c
Initial import
Diffstat (limited to 'arch/arm/mach-mmp/teton_bga.c')
-rw-r--r--arch/arm/mach-mmp/teton_bga.c103
1 files changed, 103 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
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+++ b/arch/arm/mach-mmp/teton_bga.c
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+/*
+ * 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
+ *
+ * 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/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 <mach/addr-map.h>
+#include <mach/mfp-pxa168.h>
+#include <mach/pxa168.h>
+#include <mach/teton_bga.h>
+#include <mach/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