diff options
Diffstat (limited to 'target/linux/ubicom32/files/arch/ubicom32/mach-ip7k/board-ip7145dpf.c')
| -rw-r--r-- | target/linux/ubicom32/files/arch/ubicom32/mach-ip7k/board-ip7145dpf.c | 715 |
1 files changed, 0 insertions, 715 deletions
diff --git a/target/linux/ubicom32/files/arch/ubicom32/mach-ip7k/board-ip7145dpf.c b/target/linux/ubicom32/files/arch/ubicom32/mach-ip7k/board-ip7145dpf.c deleted file mode 100644 index d3348d30f7..0000000000 --- a/target/linux/ubicom32/files/arch/ubicom32/mach-ip7k/board-ip7145dpf.c +++ /dev/null @@ -1,715 +0,0 @@ -/* - * arch/ubicom32/mach-ip7k/board-ip7145dpf.c - * Board file for IP7145DPF, rev 1.0, P/N 8007-0410 - * - * (C) Copyright 2009, Ubicom, Inc. - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port 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. - * - * The Ubicom32 Linux Kernel Port 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 the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - * - * Ubicom32 implementation derived from (with many thanks): - * arch/m68knommu - * arch/blackfin - * arch/parisc - */ -#include <linux/device.h> -#include <linux/platform_device.h> -#include <linux/gpio.h> - -#include <linux/input.h> - -#include <linux/i2c.h> -#include <linux/i2c-gpio.h> -#include <linux/i2c/pca953x.h> - -#include <asm/board.h> -#include <asm/machdep.h> -#include <asm/ubicom32input.h> -#include <asm/ubicom32input_i2c.h> -#include <asm/ubicom32bl.h> -#include <asm/ubicom32lcdpower.h> -#include <asm/vdc_tio.h> - -#include <asm/ubicom32sd.h> -#include <asm/sd_tio.h> -#include <asm/devtree.h> -#include <asm/audio.h> - -#include <asm/ring_tio.h> - -/****************************************************************************** - * SD/IO Port F (Slot 1) platform data - */ -static struct resource ip7145dpf_portf_sd_resources[] = { - /* - * Send IRQ - */ - [0] = { - /* - * The init routine will query the devtree and fill this in - */ - .flags = IORESOURCE_IRQ, - }, - - /* - * Receive IRQ - */ - [1] = { - /* - * The init routine will query the devtree and fill this in - */ - .flags = IORESOURCE_IRQ, - }, - - /* - * Memory Mapped Registers - */ - [2] = { - /* - * The init routine will query the devtree and fill this in - */ - .flags = IORESOURCE_MEM, - }, -}; - -static struct ubicom32sd_card ip7145dpf_portf_sd_cards[] = { - [0] = { - .pin_wp = IP7145DPF_IOB0, - .wp_polarity = 1, - .pin_pwr = IP7145DPF_IOB4, - .pin_cd = GPIO_RA_4, - }, - [1] = { - .pin_wp = IP7145DPF_IOB1, - .wp_polarity = 1, - .pin_pwr = IP7145DPF_IOB5, - .pin_cd = GPIO_RA_6, - }, -}; - -static struct ubicom32sd_platform_data ip7145dpf_portf_sd_platform_data = { - .ncards = 2, - .cards = ip7145dpf_portf_sd_cards, -}; - -static struct platform_device ip7145dpf_portf_sd_device = { - .name = "ubicom32sd", - .id = 0, - .resource = ip7145dpf_portf_sd_resources, - .num_resources = ARRAY_SIZE(ip7145dpf_portf_sd_resources), - .dev = { - .platform_data = &ip7145dpf_portf_sd_platform_data, - }, - -}; - -/* - * ip7145dpf_portf_sd_init - */ -static void ip7145dpf_portf_sd_init(void) -{ - /* - * Check the device tree for the sd_tio - */ - struct sd_tio_node *sd_node = (struct sd_tio_node *)devtree_find_node("portf_sd"); - if (!sd_node) { - printk(KERN_INFO "PortF SDTIO not found\n"); - return; - } - - /* - * Fill in the resources and platform data from devtree information - */ - ip7145dpf_portf_sd_resources[0].start = sd_node->dn.sendirq; - ip7145dpf_portf_sd_resources[1].start = sd_node->dn.recvirq; - ip7145dpf_portf_sd_resources[2].start = (u32_t)&(sd_node->regs); - ip7145dpf_portf_sd_resources[2].end = (u32_t)&(sd_node->regs) + sizeof(sd_node->regs); - - platform_device_register(&ip7145dpf_portf_sd_device); -} - -/****************************************************************************** - * SD/IO Port B (Slot 2) platform data - */ -static struct resource ip7145dpf_portb_sd_resources[] = { - /* - * Send IRQ - */ - [0] = { - /* - * The init routine will query the devtree and fill this in - */ - .flags = IORESOURCE_IRQ, - }, - - /* - * Receive IRQ - */ - [1] = { - /* - * The init routine will query the devtree and fill this in - */ - .flags = IORESOURCE_IRQ, - }, - - /* - * Memory Mapped Registers - */ - [2] = { - /* - * The init routine will query the devtree and fill this in - */ - .flags = IORESOURCE_MEM, - }, -}; - -static struct ubicom32sd_card ip7145dpf_portb_sd_cards[] = { - [0] = { - .pin_wp = IP7145DPF_IOB2, - .wp_polarity = 1, - .pin_pwr = IP7145DPF_IOB6, - .pin_cd = IP7145DPF_IOB3, - }, -}; - -static struct ubicom32sd_platform_data ip7145dpf_portb_sd_platform_data = { - .ncards = 1, - .cards = ip7145dpf_portb_sd_cards, -}; - -static struct platform_device ip7145dpf_portb_sd_device = { - .name = "ubicom32sd", - .id = 1, - .resource = ip7145dpf_portb_sd_resources, - .num_resources = ARRAY_SIZE(ip7145dpf_portb_sd_resources), - .dev = { - .platform_data = &ip7145dpf_portb_sd_platform_data, - }, - -}; - -/* - * ip7145dpf_portb_sd_init - */ -static void ip7145dpf_portb_sd_init(void) -{ - /* - * Check the device tree for the sd_tio - */ - struct sd_tio_node *sd_node = (struct sd_tio_node *)devtree_find_node("portb_sd"); - if (!sd_node) { - printk(KERN_INFO "PortB SDTIO not found\n"); - return; - } - - /* - * Fill in the resources and platform data from devtree information - */ - ip7145dpf_portb_sd_resources[0].start = sd_node->dn.sendirq; - ip7145dpf_portb_sd_resources[1].start = sd_node->dn.recvirq; - ip7145dpf_portb_sd_resources[2].start = (u32_t)&(sd_node->regs); - ip7145dpf_portb_sd_resources[2].end = (u32_t)&(sd_node->regs) + sizeof(sd_node->regs); - - platform_device_register(&ip7145dpf_portb_sd_device); -} - - -#ifdef IP7145DPF_USE_MMC_SPI -/****************************************************************************** - * SPI over GPIO (MMC_SPI) - */ -#include <linux/spi/spi.h> -#include <linux/spi/mmc_spi.h> -#include <linux/mmc/host.h> -#include <asm/ubicom32-spi-gpio.h> - -#define MMC_CS GPIO_RF_5 // PF5 D3 -#define MMC_CD GPIO_RA_4 // PA4 CD -#define MMC_WP IP7145DPF_IOB0 // IOB0 WP -#define MMC_PWR IP7145DPF_IOB4 // IOB4 PWR - -/* - * SPI bus over GPIO (for SD card) - */ -static struct ubicom32_spi_gpio_platform_data ip7145dpf_spi_gpio_data = { - .pin_mosi = GPIO_RF_0, // PF0 CMD - .pin_miso = GPIO_RF_2, // PF2 D0 - .pin_clk = GPIO_RF_1, // PF1 CLK - .bus_num = 0, // We'll call this SPI bus 0 - .num_chipselect = 1, // only one device on this SPI bus -}; - -static struct platform_device ip7145dpf_spi_gpio_device = { - .name = "ubicom32-spi-gpio", - .id = 0, - .dev = { - .platform_data = &ip7145dpf_spi_gpio_data, - }, -}; - -/* - * ip7145dpf_mmc_spi_setpower_slot_a - * Set the power state for slot A - */ -static void ip7145dpf_mmc_spi_setpower_slot_a(struct device *dev, unsigned int vdd) -{ - struct mmc_spi_platform_data *pd = dev->platform_data; - - /* - * Power is inverted, we could tell the IOB to do it, but it's cleaner this way. - */ - if ((1 << vdd) & pd->ocr_mask) { - gpio_set_value(MMC_PWR, 0); - return; - } - gpio_set_value(MMC_PWR, 1); -} - -/* - * ip7145dpf_mmc_spi_get_cd_slot_a - * Get the CD bit for slot A - */ -static int ip7145dpf_mmc_spi_get_cd_slot_a(struct device *dev) -{ - /* - * Note that the sense of the GPIO is inverted - */ - return !gpio_get_value(MMC_CD); -} - -/* - * ip7145dpf_mmc_spi_get_ro_slot_a - * Get the WP bit for slot A - */ -static int ip7145dpf_mmc_spi_get_ro_slot_a(struct device *dev) -{ - /* - * Note that the sense of the GPIO is inverted, we could tell the IOB to do it, but - * it's clearer this way. - */ - return !gpio_get_value(MMC_WP); -} - -/* - * ip7145dpf_mmc_spi_exit_slot_a - * Free the appropriate GPIOs for slot A SD slot. - */ -static void ip7145dpf_mmc_spi_exit_slot_a(struct device *dev, void *appdata) -{ - gpio_free(MMC_CD); - gpio_free(MMC_CS); - gpio_free(MMC_WP); - gpio_free(MMC_PWR); - platform_device_unregister(&ip7145dpf_spi_gpio_device); -} - -/* - * ip7145dpf_mmc_spi_init_slot_a - * Allocate the appropriate GPIOs for slot A SD slot. - * WP is on IOB0, CD is PA4, CS is on PF5 - * TODO: make CD an interrupt - */ -static int ip7145dpf_mmc_spi_init_slot_a(void) -{ - int ret = gpio_request(MMC_CD, "mmc-a-cd"); - if (ret) { - printk(KERN_ERR "%s: could not request mmc-a-cd pin\n", __FUNCTION__); - return -ENOSYS; - } - gpio_direction_input(MMC_CD); - - ret = gpio_request(MMC_CS, "mmc-a-cs"); - if (ret) { - printk(KERN_ERR "%s: could not request mmc-a-cs pin\n", __FUNCTION__); - goto no_cs; - } - gpio_direction_output(MMC_CS, 0); - - ret = gpio_request(MMC_WP, "mmc-a-wp"); - if (ret) { - printk(KERN_ERR "%s: could not request mmc-a-wp pin\n", __FUNCTION__); - goto no_wp; - } - gpio_direction_input(MMC_WP); - - /* - * Start off with power off - */ - ret = gpio_request(MMC_PWR, "mmc-a-pwr"); - if (ret) { - printk(KERN_ERR "%s: could not request mmc-a-pwr pin\n", __FUNCTION__); - goto no_pwr; - } - ret = gpio_direction_output(MMC_PWR, 1); - - return 0; - -no_pwr: - gpio_free(MMC_WP); - -no_wp: - gpio_free(MMC_CS); - -no_cs: - gpio_free(MMC_CD); - return -ENOSYS; -} - -/* - * MMC_SPI driver (currently bitbang) - */ -static struct mmc_spi_platform_data ip7145dpf_mmc_platform_data = { - .ocr_mask = MMC_VDD_33_34, - .exit = ip7145dpf_mmc_spi_exit_slot_a, - .get_ro = ip7145dpf_mmc_spi_get_ro_slot_a, - .get_cd = ip7145dpf_mmc_spi_get_cd_slot_a, - - .setpower = ip7145dpf_mmc_spi_setpower_slot_a, - .powerup_msecs = 500, - - .detect_delay = 100, - - .caps = MMC_CAP_NEEDS_POLL, -}; - -static struct ubicom32_spi_gpio_controller_data ip7145dpf_mmc_controller_data = { - .pin_cs = MMC_CS, -}; - -static struct spi_board_info ip7145dpf_spi_board_info[] = { - { - .modalias = "mmc_spi", - .bus_num = 0, - .chip_select = 0, - .max_speed_hz = 2000000, - .platform_data = &ip7145dpf_mmc_platform_data, - .controller_data = &ip7145dpf_mmc_controller_data, - } -}; -#endif /* IP7145DPF_USE_MMC_SPI */ - -/* - * ip7145dpf_u72_setup - * Called by I2C to tell us that u72 is setup. - * - * This function is called by I2C to tell us that u72 has been setup. All - * devices which rely on this chip being initialized (or even present) need to - * be initialized in this function otherwise they may get initialized too early. - * - * Currently the only device depending on u72 is the SPI - */ -static int __init ip7145dpf_u72_setup(struct i2c_client *client, unsigned gpio, unsigned ngpio, void *context) -{ -#ifdef IP7145DPF_USE_MMC_SPI - if (ip7145dpf_mmc_spi_init_slot_a()) { - printk(KERN_ERR "%s: could not request mmc resources\n", __FUNCTION__); - } else { - printk(KERN_INFO "%s: registering SPI resources\n", __FUNCTION__); - spi_register_board_info(ip7145dpf_spi_board_info, ARRAY_SIZE(ip7145dpf_spi_board_info)); - platform_device_register(&ip7145dpf_spi_gpio_device); - } -#else - /* - * Initialize the Port F/Port B SD slots - */ - ip7145dpf_portf_sd_init(); - ip7145dpf_portb_sd_init(); -#endif - return 0; -} - -/****************************************************************************** - * LCD VGH on the board at PE6 - */ -static struct ubicom32lcdpower_platform_data ip7145dpf_lcdpower_data = { - .vgh_gpio = GPIO_RE_6, - .vgh_polarity = true, -}; - -static struct platform_device ip7145dpf_lcdpower_device = { - .name = "ubicom32lcdpower", - .id = -1, - .dev = { - .platform_data = &ip7145dpf_lcdpower_data, - }, -}; - -/****************************************************************************** - * Backlight on the board PD0, hardware PWM - */ -static struct ubicom32bl_platform_data ip7145dpf_backlight_data = { - .type = UBICOM32BL_TYPE_PWM, - .pwm_channel = 2, - .pwm_prescale = 15, - .pwm_period = 60, - .default_intensity = 0x80, -}; - -static struct platform_device ip7145dpf_backlight_device = { - .name = "ubicom32bl", - .id = -1, - .dev = { - .platform_data = &ip7145dpf_backlight_data, - }, -}; - -/****************************************************************************** - * Ubicom32Input on I2C, U48 MAX7310, address 0x18, 8 bits - */ -static struct ubicom32input_i2c_button ip7145dpf_ubicom32input_i2c_u48_buttons[] = { - { - .type = EV_KEY, - .code = KEY_UP, - .bit = 0, - .active_low = 1, - }, - { - .type = EV_KEY, - .code = KEY_LEFT, - .bit = 1, - .active_low = 1, - }, - { - .type = EV_KEY, - .code = KEY_RIGHT, - .bit = 2, - .active_low = 1, - }, - { - .type = EV_KEY, - .code = KEY_DOWN, - .bit = 3, - .active_low = 1, - }, - { - .type = EV_KEY, - .code = KEY_ENTER, - .bit = 4, - .active_low = 1, - }, - { - .type = EV_KEY, - .code = KEY_MENU, - .bit = 5, - .active_low = 1, - }, - { - .type = EV_KEY, - .code = KEY_ESC, - .bit = 6, - .active_low = 1, - }, -}; - -static struct ubicom32input_i2c_platform_data ip7145dpf_ubicom32input_i2c_u48_platform_data = { - .buttons = ip7145dpf_ubicom32input_i2c_u48_buttons, - .nbuttons = ARRAY_SIZE(ip7145dpf_ubicom32input_i2c_u48_buttons), - .name = "Ubicom32 Input I2C U48", -}; - -/****************************************************************************** - * Additional GPIO chips - */ -static struct pca953x_platform_data ip7145dpf_gpio_u72_platform_data = { - .gpio_base = IP7145DPF_U72_BASE, - .setup = ip7145dpf_u72_setup, -}; - -/****************************************************************************** - * Devices on the I2C bus - */ -static struct i2c_board_info __initdata ip7145dpf_i2c_board_info[] = { - /* - * U51, S35390A RTC, address 0x30 - */ - { - .type = "s35390a", - .addr = 0x30, - }, - - /* - * U48, MAX7310 IO expander, 8 bits, address 0x18 - */ - { - .type = "ubicom32in_max7310", - .addr = 0x18, - .platform_data = &ip7145dpf_ubicom32input_i2c_u48_platform_data, - }, - - /* - * U72, MAX7310 IOB expander, 8 bits, address 0x19 - */ - { - .type = "max7310", - .addr = 0x19, - .platform_data = &ip7145dpf_gpio_u72_platform_data, - }, -}; - -/* - * I2C bus on the board, SDA PE1, SCL PE2 - */ -static struct i2c_gpio_platform_data ip7145dpf_i2c_data = { - .sda_pin = GPIO_RE_1, - .scl_pin = GPIO_RE_2, - .sda_is_open_drain = 0, - .scl_is_open_drain = 0, -}; - -static struct platform_device ip7145dpf_i2c_device = { - .name = "i2c-gpio", - .id = 0, - .dev = { - .platform_data = &ip7145dpf_i2c_data, - }, -}; - -/****************************************************************************** - * Use ubicom32input driver to monitor the various pushbuttons on this board. - * - * WPS PF12 - * FACT_DEFAULT PF13 - * POWER PE4 - * - * Not sutable for the keypad buttons since those run on I2C GPIO. The polling - * of ubicom32input would seem to be excessive for this. - * - * TODO: pick some ubicom understood EV_xxx define for WPS and Fact Default - */ -static struct ubicom32input_button ip7145dpf_ubicom32input_buttons[] = { - { - .type = EV_KEY, - .code = KEY_FN_F1, - .gpio = GPIO_RF_12, - .desc = "WPS", - .active_low = 1, - }, - { - .type = EV_KEY, - .code = KEY_FN_F2, - .gpio = GPIO_RF_13, - .desc = "Factory Default", - .active_low = 1, - }, - { - .type = EV_KEY, - .code = KEY_POWER, - .gpio = GPIO_RE_4, - .desc = "Power", - .active_low = 1, - }, -}; - -static struct ubicom32input_platform_data ip7145dpf_ubicom32input_data = { - .buttons = ip7145dpf_ubicom32input_buttons, - .nbuttons = ARRAY_SIZE(ip7145dpf_ubicom32input_buttons), -}; - -static struct platform_device ip7145dpf_ubicom32input_device = { - .name = "ubicom32input", - .id = -1, - .dev = { - .platform_data = &ip7145dpf_ubicom32input_data, - }, -}; - -/* - * List of all devices in our system - */ -static struct platform_device *ip7145dpf_devices[] __initdata = { - &ip7145dpf_i2c_device, - &ip7145dpf_lcdpower_device, - &ip7145dpf_backlight_device, - &ip7145dpf_ubicom32input_device, -}; - -/* - * ip7145dpf_power_off - * Called to turn the power off for this board - */ -static void ip7145dpf_power_off(void) -{ - gpio_set_value(GPIO_RE_5, 0); -} - -/* - * ip7145dpf_init - * Called to add the devices which we have on this board - */ -static int __init ip7145dpf_init(void) -{ - int ret; - struct platform_device *audio_dev; - - ubi_gpio_init(); - -#ifdef CONFIG_UIO_UBICOM32RING - ring_tio_init("decoder_ring"); -#endif - - /* - * Start up the video driver first - */ - vdc_tio_init(); - - /* - * Take over holding of the power from the system - */ - ret = gpio_request(GPIO_RE_5, "power_hold"); - if (ret) { - printk(KERN_ERR "%s: could not request power hold GPIO\n", __FUNCTION__); - } - gpio_direction_output(GPIO_RE_5, 1); - mach_power_off = ip7145dpf_power_off; - - /* - * USB SEL_HOST_USB line - */ - ret = gpio_request(GPIO_RF_11, "SEL_HOST_USB"); - if (ret) { - printk(KERN_ERR "%s: could not request SEL_HOST_USB GPIO\n", __FUNCTION__); - } - gpio_direction_output(GPIO_RF_11, 0); - - /* - * Setup audio - */ - audio_dev = audio_device_alloc("snd-ubi32-generic", "audio", "audio-i2sout", 0); - if (audio_dev) { - platform_device_register(audio_dev); - } - - /* - * Register all of the devices we have on this board - */ - printk(KERN_INFO "%s: registering device resources\n", __FUNCTION__); - platform_add_devices(ip7145dpf_devices, ARRAY_SIZE(ip7145dpf_devices)); - - /* - * Register all of the devices which sit on the I2C bus - */ - printk(KERN_INFO "%s: registering i2c resources\n", __FUNCTION__); - i2c_register_board_info(0, ip7145dpf_i2c_board_info, ARRAY_SIZE(ip7145dpf_i2c_board_info)); - - /* - * We have to initialize the SPI after the I2C IOB gets setup. SPI is initialized in - * ip7145dpf_u72_setup - */ - - return 0; -} - -arch_initcall(ip7145dpf_init); |