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Date: Tue, 7 Dec 2010 17:42:07 +0300
From: Igor Plyatov <plyatov@...il.com>
To: ryan@...ewatersys.com
Cc: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux@...im.org.za, nicolas.ferre@...el.com,
linux@....linux.org.uk, costa.antonior@...il.com,
plagnioj@...osoft.com, Igor Plyatov <plyatov@...il.com>
Subject: [PATCH v2] mach-at91: Support for gms board added
* The gms is a board from GeoSIG Ltd company.
It is based on the Stamp9G20 module from Taskit company.
* This is a second version of the patch with adjustments according
to comments from Ryan Mallon.
* This patch made for Linux 2.6.37-rc5.
Signed-off-by: Igor Plyatov <plyatov@...il.com>
---
arch/arm/configs/stamp9g20gms_defconfig | 147 +++++++
arch/arm/mach-at91/Kconfig | 6 +
arch/arm/mach-at91/Makefile | 1 +
arch/arm/mach-at91/board-stamp9g20gms.c | 698 +++++++++++++++++++++++++++++++
arch/arm/mach-at91/include/mach/gms.h | 33 ++
5 files changed, 885 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/configs/stamp9g20gms_defconfig
create mode 100644 arch/arm/mach-at91/board-stamp9g20gms.c
create mode 100644 arch/arm/mach-at91/include/mach/gms.h
diff --git a/arch/arm/configs/stamp9g20gms_defconfig b/arch/arm/configs/stamp9g20gms_defconfig
new file mode 100644
index 0000000..c44057f
--- /dev/null
+++ b/arch/arm/configs/stamp9g20gms_defconfig
@@ -0,0 +1,147 @@
+CONFIG_EXPERIMENTAL=y
+CONFIG_SYSVIPC=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_SLAB=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_ARCH_AT91=y
+CONFIG_ARCH_AT91SAM9G20=y
+CONFIG_MACH_STAMP9G20GMS=y
+CONFIG_AT91_PROGRAMMABLE_CLOCKS=y
+CONFIG_AT91_SLOW_CLOCK=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_PREEMPT=y
+CONFIG_AEABI=y
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE="mem=64M console=ttyS0,115200 initrd=0x21100000,3145728 root=/dev/ram0 rw"
+CONFIG_KEXEC=y
+CONFIG_CPU_IDLE=y
+CONFIG_PM=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_NETFILTER=y
+CONFIG_NETFILTER_NETLINK_LOG=m
+CONFIG_NF_CONNTRACK=m
+CONFIG_NF_CT_PROTO_SCTP=m
+CONFIG_NF_CT_PROTO_UDPLITE=m
+CONFIG_NF_CONNTRACK_FTP=m
+CONFIG_NF_CONNTRACK_IRC=m
+CONFIG_NF_CONNTRACK_SIP=m
+CONFIG_NF_CT_NETLINK=m
+CONFIG_NETFILTER_XT_MARK=m
+CONFIG_NETFILTER_XT_CONNMARK=m
+CONFIG_NETFILTER_XT_MATCH_STATE=m
+CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_IP_NF_IPTABLES=m
+CONFIG_IP_NF_MATCH_ADDRTYPE=m
+CONFIG_IP_NF_MATCH_AH=m
+CONFIG_IP_NF_MATCH_ECN=m
+CONFIG_IP_NF_MATCH_TTL=m
+CONFIG_IP_NF_FILTER=m
+CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_LOG=m
+CONFIG_IP_NF_TARGET_ULOG=m
+CONFIG_NF_NAT=m
+CONFIG_IP_NF_TARGET_MASQUERADE=m
+CONFIG_IP_NF_TARGET_NETMAP=m
+CONFIG_IP_NF_TARGET_REDIRECT=m
+CONFIG_NF_NAT_SNMP_BASIC=m
+CONFIG_IP_NF_MANGLE=m
+CONFIG_IP_NF_TARGET_CLUSTERIP=m
+CONFIG_IP_NF_TARGET_ECN=m
+CONFIG_IP_NF_TARGET_TTL=m
+CONFIG_IP_NF_RAW=m
+CONFIG_IP_NF_ARPTABLES=m
+CONFIG_IP_NF_ARPFILTER=m
+CONFIG_IP_NF_ARP_MANGLE=m
+CONFIG_CFG80211=y
+CONFIG_LIB80211=y
+CONFIG_MAC80211=y
+CONFIG_MAC80211_LEDS=y
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_MTD=y
+CONFIG_MTD_CONCAT=y
+CONFIG_MTD_PARTITIONS=y
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLOCK=y
+CONFIG_MTD_DATAFLASH=y
+CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_ATMEL=y
+CONFIG_MTD_UBI=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_SIZE=8192
+CONFIG_MISC_DEVICES=y
+CONFIG_EEPROM_AT24=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_SCSI_MULTI_LUN=y
+CONFIG_ATA=y
+CONFIG_PATA_AT91=y
+CONFIG_NETDEVICES=y
+CONFIG_NET_ETHERNET=y
+CONFIG_MACB=y
+CONFIG_RTL8187=m
+CONFIG_RT2X00=y
+CONFIG_RT2500USB=y
+CONFIG_RT73USB=y
+CONFIG_RT2800USB=y
+CONFIG_PPP=y
+CONFIG_PPP_ASYNC=y
+CONFIG_PPP_DEFLATE=y
+CONFIG_PPP_BSDCOMP=y
+CONFIG_PPP_MPPE=y
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=320
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=240
+CONFIG_INPUT_EVDEV=y
+CONFIG_KEYBOARD_GPIO=y
+CONFIG_SERIAL_ATMEL=y
+CONFIG_SERIAL_ATMEL_CONSOLE=y
+CONFIG_I2C=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_GPIO=y
+CONFIG_SPI=y
+CONFIG_SPI_ATMEL=y
+CONFIG_SPI_SPIDEV=y
+CONFIG_GPIO_SYSFS=y
+CONFIG_GPIO_PCF857X=y
+CONFIG_W1=y
+CONFIG_W1_MASTER_GPIO=y
+CONFIG_W1_SLAVE_DS2431=y
+CONFIG_USB=y
+CONFIG_USB_DEVICEFS=y
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_ACM=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_ETH=y
+CONFIG_MMC=y
+CONFIG_MMC_ATMELMCI=y
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+CONFIG_LEDS_GPIO=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_AT91SAM9=y
+CONFIG_EXT2_FS=y
+CONFIG_EXT3_FS=y
+CONFIG_EXT4_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_TMPFS=y
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_SUMMARY=y
+CONFIG_UBIFS_FS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_CODEPAGE_850=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_15=y
+CONFIG_NLS_UTF8=y
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index c015b68..6bc9372 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -375,6 +375,12 @@ config MACH_STAMP9G20
evaluation board.
<http://www.taskit.de/en/>
+config MACH_STAMP9G20GMS
+ bool "GeoSIG Stamp9G20 GMS"
+ help
+ Select this if you are using taskit's Stamp9G20 with GeoSIG's GMS.
+ <http://www.geosig.com>
+
config MACH_PCONTROL_G20
bool "PControl G20 CPU module"
help
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 62d686f..6eeeba7 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -64,6 +64,7 @@ obj-$(CONFIG_MACH_AT91SAM9RLEK) += board-sam9rlek.o
obj-$(CONFIG_MACH_AT91SAM9G20EK) += board-sam9g20ek.o
obj-$(CONFIG_MACH_CPU9G20) += board-cpu9krea.o
obj-$(CONFIG_MACH_STAMP9G20) += board-stamp9g20.o
+obj-$(CONFIG_MACH_STAMP9G20GMS) += board-stamp9g20gms.o
obj-$(CONFIG_MACH_PORTUXG20) += board-stamp9g20.o
obj-$(CONFIG_MACH_PCONTROL_G20) += board-pcontrol-g20.o
diff --git a/arch/arm/mach-at91/board-stamp9g20gms.c b/arch/arm/mach-at91/board-stamp9g20gms.c
new file mode 100644
index 0000000..df5a591
--- /dev/null
+++ b/arch/arm/mach-at91/board-stamp9g20gms.c
@@ -0,0 +1,698 @@
+/*
+ * Copyright (C) 2010 Christian Glindkamp <christian.glindkamp@...kit.de>
+ * taskit GmbH
+ * 2010 Igor Plyatov <plyatov@...il.com>
+ * GeoSIG Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/w1-gpio.h>
+#include <linux/i2c/pcf857x.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/board.h>
+#include <mach/at91sam9_smc.h>
+#include <mach/gms.h>
+
+#include "sam9_smc.h"
+#include "generic.h"
+
+static void __init stamp9g20gms_map_io(void)
+{
+ /* Initialize processor: 18.432 MHz crystal */
+ at91sam9260_initialize(18432000);
+
+ /* DGBU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /*
+ * USART0 on ttyS1 (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI).
+ * Used for Internal Analog Modem.
+ */
+ at91_register_uart(AT91SAM9260_ID_US0, 1,
+ ATMEL_UART_CTS | ATMEL_UART_RTS
+ | ATMEL_UART_DTR | ATMEL_UART_DSR
+ | ATMEL_UART_DCD | ATMEL_UART_RI);
+ /*
+ * USART1 on ttyS2 (Rx, Tx, CTS, RTS).
+ * Used for GPS or WiFi or Data stream.
+ */
+ at91_register_uart(AT91SAM9260_ID_US1, 2,
+ ATMEL_UART_CTS | ATMEL_UART_RTS);
+ /*
+ * USART2 on ttyS3 (Rx, Tx, CTS, RTS).
+ * Used for External Modem.
+ */
+ at91_register_uart(AT91SAM9260_ID_US2, 3,
+ ATMEL_UART_CTS | ATMEL_UART_RTS);
+ /*
+ * USART3 on ttyS4 (Rx, Tx, RTS).
+ * Used for RS-485.
+ */
+ at91_register_uart(AT91SAM9260_ID_US3, 4, ATMEL_UART_RTS);
+
+ /*
+ * USART4 on ttyS5 (Rx, Tx).
+ * Used for TRX433 Radio Module.
+ */
+ at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
+}
+
+static void __init init_irq(void)
+{
+ at91sam9260_init_interrupts(NULL);
+}
+
+/*
+ * NAND flash
+ */
+static struct atmel_nand_data __initdata nand_data = {
+ .ale = 21,
+ .cle = 22,
+ .rdy_pin = AT91_PIN_PC13,
+ .enable_pin = AT91_PIN_PC14,
+ .bus_width_16 = 0,
+};
+
+static struct sam9_smc_config __initdata nand_smc_config = {
+ .ncs_read_setup = 0,
+ .nrd_setup = 2,
+ .ncs_write_setup = 0,
+ .nwe_setup = 2,
+
+ .ncs_read_pulse = 4,
+ .nrd_pulse = 4,
+ .ncs_write_pulse = 4,
+ .nwe_pulse = 4,
+
+ .read_cycle = 7,
+ .write_cycle = 7,
+
+ .mode = AT91_SMC_READMODE | \
+ AT91_SMC_WRITEMODE | \
+ AT91_SMC_EXNWMODE_DISABLE | \
+ AT91_SMC_DBW_8,
+ .tdf_cycles = 3,
+};
+
+static void __init add_device_nand(void)
+{
+ /* configure chip-select 3 (NAND) */
+ sam9_smc_configure(3, &nand_smc_config);
+
+ at91_add_device_nand(&nand_data);
+}
+
+/*
+ * MCI (SD/MMC)
+ * det_pin, wp_pin and vcc_pin are not connected
+ */
+#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
+static struct mci_platform_data __initdata mmc_data = {
+ .slot[0] = {
+ .bus_width = 4,
+ },
+};
+#else
+static struct at91_mmc_data __initdata mmc_data = {
+ .slot_b = 0,
+ .wire4 = 1,
+};
+#endif
+
+/*
+ * Two USB Host ports
+ */
+static struct at91_usbh_data __initdata usbh_data = {
+ .ports = 2,
+};
+
+/*
+ * USB Device port
+ */
+static struct at91_udc_data __initdata stamp9g20gms_udc_data = {
+ .vbus_pin = AT91_PIN_PA22,
+ .pullup_pin = 0, /* pull-up driven by UDC */
+};
+
+/*
+ * MACB Ethernet device
+ */
+static struct at91_eth_data __initdata macb_data = {
+ .phy_irq_pin = AT91_PIN_PA28,
+ .is_rmii = 1,
+};
+
+/*
+ * LEDs and GPOs
+ */
+#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
+static struct gpio_led stamp9g20gms_gpio_leds[] = {
+ {
+ .name = "gpo:spi1reset",
+ .gpio = AT91_PIN_PC1,
+ .active_low = 0,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ {
+ .name = "gpo:trig_net_out",
+ .gpio = AT91_PIN_PB20,
+ .active_low = 0,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ {
+ .name = "gpo:trig_net_dir",
+ .gpio = AT91_PIN_PB19,
+ .active_low = 0,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ {
+ .name = "gpo:charge_dis",
+ .gpio = AT91_PIN_PC2,
+ .active_low = 0,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ {
+ .name = "led:event",
+ .gpio = AT91_PIN_PB17,
+ .active_low = 1,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ {
+ .name = "led:lan",
+ .gpio = AT91_PIN_PB18,
+ .active_low = 1,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ {
+ .name = "led:error",
+ .gpio = AT91_PIN_PB16,
+ .active_low = 1,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_ON,
+ }
+};
+
+static struct gpio_led_platform_data stamp9g20gms_gpio_led_info = {
+ .leds = stamp9g20gms_gpio_leds,
+ .num_leds = ARRAY_SIZE(stamp9g20gms_gpio_leds),
+};
+
+static struct platform_device stamp9g20gms_leds = {
+ .name = "leds-gpio",
+ .id = 0,
+ .dev = {
+ .platform_data = &stamp9g20gms_gpio_led_info,
+ }
+};
+
+static void __init stamp9g20gms_leds_init(void)
+{
+ platform_device_register(&stamp9g20gms_leds);
+}
+#else
+static inline void stamp9g20gms_leds_init(void) {}
+#endif
+
+/* PCF8574 0x20 GPIO - U1 on the GS_IA18-CB_V3 board */
+#if (defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)) && \
+ (defined(CONFIG_GPIO_PCF857X) || defined(CONFIG_GPIO_PCF857X_MODULE))
+static struct gpio_led stamp9g20gms_pcf_gpio_leds1[] = {
+ { /* bit 0 */
+ .name = "gpo:hdc_power",
+ .gpio = PCF_GPIO_HDC_POWER,
+ .active_low = 0,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ { /* bit 1 */
+ .name = "gpo:wifi_setup",
+ .gpio = PCF_GPIO_WIFI_SETUP,
+ .active_low = 1,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ { /* bit 2 */
+ .name = "gpo:wifi_enable",
+ .gpio = PCF_GPIO_WIFI_ENABLE,
+ .active_low = 1,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ { /* bit 3 */
+ .name = "gpo:wifi_reset",
+ .gpio = PCF_GPIO_WIFI_RESET,
+ .active_low = 1,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_ON,
+ },
+ /* bit 4 used as GPI */
+ { /* bit 5 */
+ .name = "gpo:gps_setup",
+ .gpio = PCF_GPIO_GPS_SETUP,
+ .active_low = 1,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ { /* bit 6 */
+ .name = "gpo:gps_standby",
+ .gpio = PCF_GPIO_GPS_STANDBY,
+ .active_low = 0,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_ON,
+ },
+ { /* bit 7 */
+ .name = "gpo:gps_power",
+ .gpio = PCF_GPIO_GPS_POWER,
+ .active_low = 0,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ }
+};
+
+static struct gpio_led_platform_data stamp9g20gms_pcf_gpio_led_info1 = {
+ .leds = stamp9g20gms_pcf_gpio_leds1,
+ .num_leds = ARRAY_SIZE(stamp9g20gms_pcf_gpio_leds1),
+};
+
+static struct platform_device stamp9g20gms_pcf_leds1 = {
+ .name = "leds-gpio", /* GS_IA18-CB_board */
+ .id = 1,
+ .dev = {
+ .platform_data = &stamp9g20gms_pcf_gpio_led_info1,
+ }
+};
+
+/* PCF8574 0x22 GPIO - U1 on the GS_2G_OPT1-A_V0 board (Alarm) */
+static struct gpio_led stamp9g20gms_pcf_gpio_leds2[] = {
+ { /* bit 0 */
+ .name = "gpo:alarm_1",
+ .gpio = PCF_GPIO_ALARM1,
+ .active_low = 1,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ { /* bit 1 */
+ .name = "gpo:alarm_2",
+ .gpio = PCF_GPIO_ALARM2,
+ .active_low = 1,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ { /* bit 2 */
+ .name = "gpo:alarm_3",
+ .gpio = PCF_GPIO_ALARM3,
+ .active_low = 1,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ { /* bit 3 */
+ .name = "gpo:alarm_4",
+ .gpio = PCF_GPIO_ALARM4,
+ .active_low = 1,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ /* bits 4, 5, 6 not used */
+ { /* bit 7 */
+ .name = "gpo:alarm_v_relay_on",
+ .gpio = PCF_GPIO_ALARM_V_RELAY_ON,
+ .active_low = 0,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+};
+
+static struct gpio_led_platform_data stamp9g20gms_pcf_gpio_led_info2 = {
+ .leds = stamp9g20gms_pcf_gpio_leds2,
+ .num_leds = ARRAY_SIZE(stamp9g20gms_pcf_gpio_leds2),
+};
+
+static struct platform_device stamp9g20gms_pcf_leds2 = {
+ .name = "leds-gpio",
+ .id = 2,
+ .dev = {
+ .platform_data = &stamp9g20gms_pcf_gpio_led_info2,
+ }
+};
+
+/* PCF8574 0x24 GPIO U1 on the GS_2G-OPT23-A_V0 board (Modem) */
+static struct gpio_led stamp9g20gms_pcf_gpio_leds3[] = {
+ { /* bit 0 */
+ .name = "gpo:modem_power",
+ .gpio = PCF_GPIO_MODEM_POWER,
+ .active_low = 1,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ /* bits 1 and 2 not used */
+ { /* bit 3 */
+ .name = "gpo:modem_reset",
+ .gpio = PCF_GPIO_MODEM_RESET,
+ .active_low = 1,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_ON,
+ },
+ /* bits 4, 5 and 6 not used */
+ { /* bit 7 */
+ .name = "gpo:trx_reset",
+ .gpio = PCF_GPIO_TRX_RESET,
+ .active_low = 1,
+ .default_trigger = "none",
+ .default_state = LEDS_GPIO_DEFSTATE_ON,
+ }
+};
+
+static struct gpio_led_platform_data stamp9g20gms_pcf_gpio_led_info3 = {
+ .leds = stamp9g20gms_pcf_gpio_leds3,
+ .num_leds = ARRAY_SIZE(stamp9g20gms_pcf_gpio_leds3),
+};
+
+static struct platform_device stamp9g20gms_pcf_leds3 = {
+ .name = "leds-gpio",
+ .id = 3,
+ .dev = {
+ .platform_data = &stamp9g20gms_pcf_gpio_led_info3,
+ }
+};
+
+static void __init stamp9g20gms_pcf_leds_init(void)
+{
+ platform_device_register(&stamp9g20gms_pcf_leds1);
+ platform_device_register(&stamp9g20gms_pcf_leds2);
+ platform_device_register(&stamp9g20gms_pcf_leds3);
+}
+#else
+static inline void stamp9g20gms_pcf_leds_init(void) {}
+#endif /* CONFIG_LEDS_GPIO || CONFIG_GPIO_PCF857X */
+
+/*
+ * SPI busses.
+ */
+static struct spi_board_info stamp9g20gms_spi_devices[] = {
+ { /* User accessible spi0, cs0 used for communication with MSP RTC */
+ .modalias = "spidev",
+ .bus_num = 0,
+ .chip_select = 0,
+ .max_speed_hz = 580000,
+ .mode = SPI_MODE_1,
+ },
+ { /* User accessible spi1, cs0 used for communication with int. DSP */
+ .modalias = "spidev",
+ .bus_num = 1,
+ .chip_select = 0,
+ .max_speed_hz = 5600000,
+ .mode = SPI_MODE_0,
+ },
+ { /* User accessible spi1, cs1 used for communication with ext. DSP */
+ .modalias = "spidev",
+ .bus_num = 1,
+ .chip_select = 1,
+ .max_speed_hz = 5600000,
+ .mode = SPI_MODE_0,
+ },
+ { /* User accessible spi1, cs2 used for communication with ext. DSP */
+ .modalias = "spidev",
+ .bus_num = 1,
+ .chip_select = 2,
+ .max_speed_hz = 5600000,
+ .mode = SPI_MODE_0,
+ },
+ { /* User accessible spi1, cs3 used for communication with ext. DSP */
+ .modalias = "spidev",
+ .bus_num = 1,
+ .chip_select = 3,
+ .max_speed_hz = 5600000,
+ .mode = SPI_MODE_0,
+ }
+};
+
+/*
+ * Dallas 1-Wire
+ */
+static struct w1_gpio_platform_data w1_gpio_pdata = {
+ .pin = AT91_PIN_PA29,
+ .is_open_drain = 1,
+};
+
+static struct platform_device w1_device = {
+ .name = "w1-gpio",
+ .id = -1,
+ .dev.platform_data = &w1_gpio_pdata,
+};
+
+void add_w1(void)
+{
+ at91_set_GPIO_periph(w1_gpio_pdata.pin, 1);
+ at91_set_multi_drive(w1_gpio_pdata.pin, 1);
+ platform_device_register(&w1_device);
+}
+
+/*
+ * GPI Buttons
+ */
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+static struct gpio_keys_button stamp9g20gms_buttons[] = {
+ {
+ .gpio = GPIO_TRIG_NET_IN,
+ .code = BTN_1,
+ .desc = "TRIG_NET_IN",
+ .type = EV_KEY,
+ .active_low = 0,
+ .wakeup = 1,
+ },
+ { /* SW80 on the GS_IA18_S-MN board*/
+ .gpio = GPIO_CARD_UNMOUNT_0,
+ .code = BTN_2,
+ .desc = "Card umount 0",
+ .type = EV_KEY,
+ .active_low = 1,
+ .wakeup = 1,
+ },
+ { /* SW79 on the GS_IA18_S-MN board*/
+ .gpio = GPIO_CARD_UNMOUNT_1,
+ .code = BTN_3,
+ .desc = "Card umount 1",
+ .type = EV_KEY,
+ .active_low = 1,
+ .wakeup = 1,
+ },
+ { /* SW280 on the GS_IA18-CB board*/
+ .gpio = GPIO_KEY_POWER,
+ .code = KEY_POWER,
+ .desc = "Power Off Button",
+ .type = EV_KEY,
+ .active_low = 0,
+ .wakeup = 1,
+ }
+};
+
+static struct gpio_keys_platform_data stamp9g20gms_button_data = {
+ .buttons = stamp9g20gms_buttons,
+ .nbuttons = ARRAY_SIZE(stamp9g20gms_buttons),
+};
+
+static struct platform_device stamp9g20gms_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &stamp9g20gms_button_data,
+ }
+};
+
+static void __init stamp9g20gms_add_device_buttons(void)
+{
+ at91_set_gpio_input(GPIO_TRIG_NET_IN, 1);
+ at91_set_deglitch(GPIO_TRIG_NET_IN, 1);
+ at91_set_gpio_input(GPIO_CARD_UNMOUNT_0, 1);
+ at91_set_deglitch(GPIO_CARD_UNMOUNT_0, 1);
+ at91_set_gpio_input(GPIO_CARD_UNMOUNT_1, 1);
+ at91_set_deglitch(GPIO_CARD_UNMOUNT_1, 1);
+ at91_set_gpio_input(GPIO_KEY_POWER, 0);
+ at91_set_deglitch(GPIO_KEY_POWER, 1);
+
+ platform_device_register(&stamp9g20gms_button_device);
+}
+#else
+static void __init stamp9g20gms_add_device_buttons(void) {}
+#endif
+
+/*
+ * I2C
+ */
+static int pcf8574x_0x20_setup(struct i2c_client *client, int gpio,
+ unsigned int ngpio, void *context)
+{
+ int status;
+
+ status = gpio_request(gpio + PCF_GPIO_ETH_DETECT, "eth_det");
+ if (status < 0) {
+ pr_err("error: can't request GPIO%d\n",
+ gpio + PCF_GPIO_ETH_DETECT);
+ return status;
+ }
+ status = gpio_direction_input(gpio + PCF_GPIO_ETH_DETECT);
+ if (status < 0) {
+ pr_err("error: can't setup GPIO%d as input\n",
+ gpio + PCF_GPIO_ETH_DETECT);
+ return status;
+ }
+ status = gpio_export(gpio + PCF_GPIO_ETH_DETECT, false);
+ if (status < 0) {
+ pr_err("error: can't export GPIO%d\n",
+ gpio + PCF_GPIO_ETH_DETECT);
+ return status;
+ }
+ status = gpio_sysfs_set_active_low(gpio + PCF_GPIO_ETH_DETECT, 1);
+ if (status < 0) {
+ pr_err("error: gpio_sysfs_set active_low(GPIO%d, 1)\n",
+ gpio + PCF_GPIO_ETH_DETECT);
+ return status;
+ }
+
+ return 0;
+}
+
+static int pcf8574x_0x20_teardown(struct i2c_client *client, int gpio,
+ unsigned ngpio, void *context)
+{
+ gpio_free(gpio + 4);
+ return 0;
+}
+
+static struct pcf857x_platform_data stamp9g20_pcf20_pdata = {
+ .gpio_base = GS_IA18_S_PCF_GPIO_BASE0,
+ .n_latch = (1 << 4),
+ .setup = pcf8574x_0x20_setup,
+ .teardown = pcf8574x_0x20_teardown,
+};
+
+static struct pcf857x_platform_data stamp9g20_pcf22_pdata = {
+ .gpio_base = GS_IA18_S_PCF_GPIO_BASE1,
+};
+
+static struct pcf857x_platform_data stamp9g20_pcf24_pdata = {
+ .gpio_base = GS_IA18_S_PCF_GPIO_BASE2,
+};
+
+static struct i2c_board_info __initdata stamp9g20gms_i2c_devices[] = {
+ { /* U1 on the GS_IA18-CB_V3 board */
+ I2C_BOARD_INFO("pcf8574", 0x20),
+ .platform_data = &stamp9g20_pcf20_pdata,
+ },
+ { /* U1 on the GS_2G_OPT1-A_V0 board (Alarm) */
+ I2C_BOARD_INFO("pcf8574", 0x22),
+ .platform_data = &stamp9g20_pcf22_pdata,
+ },
+ { /* U1 on the GS_2G-OPT23-A_V0 board (Modem) */
+ I2C_BOARD_INFO("pcf8574", 0x24),
+ .platform_data = &stamp9g20_pcf24_pdata,
+ },
+ { /* U161 on the GS_IA18_S-MN board */
+ I2C_BOARD_INFO("24c1024", 0x50),
+ },
+ { /* U162 on the GS_IA18_S-MN board */
+ I2C_BOARD_INFO("24c01", 0x53),
+ },
+};
+
+/*
+ * Compact Flash
+ */
+#if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE)
+static struct at91_cf_data __initdata stamp9g20gms_cf1_data = {
+ .irq_pin = AT91_PIN_PA27,
+ .det_pin = AT91_PIN_PB30,
+ .rst_pin = AT91_PIN_PB31,
+ .chipselect = 5,
+ .flags = AT91_CF_TRUE_IDE,
+};
+#endif /* CONFIG_PATA_AT91 */
+
+/* Power Off by RTC */
+static void stamp9g20gms_power_off(void)
+{
+ pr_notice("Power supply will be switched off automatically now or ");
+ pr_notice("after 60 seconds without ArmDAS.\n");
+ at91_set_gpio_output(AT91_PIN_PA25, 1);
+ /* Spin to death... */
+ while (1)
+ ;
+}
+
+static int __init stamp9g20gms_power_off_init(void)
+{
+ pm_power_off = stamp9g20gms_power_off;
+ return 0;
+}
+
+/* ---------------------------------------------------------------------------*/
+
+static void __init generic_board_init(void)
+{
+ at91_add_device_serial();
+ add_device_nand();
+#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
+ at91_add_device_mci(0, &mmc_data);
+#else
+ at91_add_device_mmc(0, &mmc_data);
+#endif /* CONFIG_MMC_ATMELMCI */
+ add_w1();
+}
+
+static void __init stamp9g20gms_board_init(void)
+{
+ generic_board_init();
+ at91_add_device_usbh(&usbh_data);
+ at91_add_device_udc(&stamp9g20gms_udc_data);
+ at91_add_device_eth(&macb_data);
+ stamp9g20gms_leds_init();
+ stamp9g20gms_pcf_leds_init();
+ stamp9g20gms_add_device_buttons();
+ at91_add_device_i2c(stamp9g20gms_i2c_devices,
+ ARRAY_SIZE(stamp9g20gms_i2c_devices));
+#if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE)
+ at91_add_device_cf(&stamp9g20gms_cf1_data);
+#endif /* CONFIG_PATA_AT91 */
+ at91_add_device_spi(stamp9g20gms_spi_devices,
+ ARRAY_SIZE(stamp9g20gms_spi_devices));
+ stamp9g20gms_power_off_init();
+}
+
+MACHINE_START(STAMP9G20, "Stamp9G20 on the GeoSIG GS_IA18_S board")
+ /* Maintainer: GeoSIG Ltd */
+ .boot_params = AT91_SDRAM_BASE + 0x100,
+ .timer = &at91sam926x_timer,
+ .map_io = stamp9g20gms_map_io,
+ .init_irq = init_irq,
+ .init_machine = stamp9g20gms_board_init,
+MACHINE_END
diff --git a/arch/arm/mach-at91/include/mach/gms.h b/arch/arm/mach-at91/include/mach/gms.h
new file mode 100644
index 0000000..307c194
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/gms.h
@@ -0,0 +1,33 @@
+/* Buttons */
+#define GPIO_TRIG_NET_IN AT91_PIN_PB21
+#define GPIO_CARD_UNMOUNT_0 AT91_PIN_PB13
+#define GPIO_CARD_UNMOUNT_1 AT91_PIN_PB12
+#define GPIO_KEY_POWER AT91_PIN_PA25
+
+/* PCF8574 0x20 GPIO - U1 on the GS_IA18-CB_V3 board */
+#define GS_IA18_S_PCF_GPIO_BASE0 NR_BUILTIN_GPIO
+#define PCF_GPIO_HDC_POWER (GS_IA18_S_PCF_GPIO_BASE0 + 0)
+#define PCF_GPIO_WIFI_SETUP (GS_IA18_S_PCF_GPIO_BASE0 + 1)
+#define PCF_GPIO_WIFI_ENABLE (GS_IA18_S_PCF_GPIO_BASE0 + 2)
+#define PCF_GPIO_WIFI_RESET (GS_IA18_S_PCF_GPIO_BASE0 + 3)
+#define PCF_GPIO_ETH_DETECT 4 /* this is a GPI */
+#define PCF_GPIO_GPS_SETUP (GS_IA18_S_PCF_GPIO_BASE0 + 5)
+#define PCF_GPIO_GPS_STANDBY (GS_IA18_S_PCF_GPIO_BASE0 + 6)
+#define PCF_GPIO_GPS_POWER (GS_IA18_S_PCF_GPIO_BASE0 + 7)
+
+/* PCF8574 0x22 GPIO - U1 on the GS_2G_OPT1-A_V0 board (Alarm) */
+#define GS_IA18_S_PCF_GPIO_BASE1 (GS_IA18_S_PCF_GPIO_BASE0 + 8)
+#define PCF_GPIO_ALARM1 (GS_IA18_S_PCF_GPIO_BASE1 + 0)
+#define PCF_GPIO_ALARM2 (GS_IA18_S_PCF_GPIO_BASE1 + 1)
+#define PCF_GPIO_ALARM3 (GS_IA18_S_PCF_GPIO_BASE1 + 2)
+#define PCF_GPIO_ALARM4 (GS_IA18_S_PCF_GPIO_BASE1 + 3)
+/* bits 4, 5, 6 not used */
+#define PCF_GPIO_ALARM_V_RELAY_ON (GS_IA18_S_PCF_GPIO_BASE1 + 7)
+
+/* PCF8574 0x24 GPIO U1 on the GS_2G-OPT23-A_V0 board (Modem) */
+#define GS_IA18_S_PCF_GPIO_BASE2 (GS_IA18_S_PCF_GPIO_BASE1 + 8)
+#define PCF_GPIO_MODEM_POWER (GS_IA18_S_PCF_GPIO_BASE2 + 0)
+#define PCF_GPIO_MODEM_RESET (GS_IA18_S_PCF_GPIO_BASE2 + 3)
+/* bits 1, 2, 4, 5 not used */
+#define PCF_GPIO_TRX_RESET (GS_IA18_S_PCF_GPIO_BASE2 + 6)
+/* bit 7 not used */
--
1.7.0.4
--
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