From 70f4c0bf9e4d067744ee453bc37c0c4adcea6e53 Mon Sep 17 00:00:00 2001 From: viresh kumar Date: Thu, 1 Apr 2010 12:31:29 +0100 Subject: ARM: 6020/1: ST SPEAr: Adding gpio pad multiplexing support GPIO Pads in spear platform are are multiplexed in various machines. This patch adds support for this pad multiplexing. Reviewed-by: Linus Walleij Signed-off-by: Viresh Kumar Signed-off-by: Russell King --- arch/arm/mach-spear3xx/spear300.c | 358 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 358 insertions(+) (limited to 'arch/arm/mach-spear3xx/spear300.c') diff --git a/arch/arm/mach-spear3xx/spear300.c b/arch/arm/mach-spear3xx/spear300.c index 63aca8fc3eb..66e7fcd8baf 100644 --- a/arch/arm/mach-spear3xx/spear300.c +++ b/arch/arm/mach-spear3xx/spear300.c @@ -18,6 +18,357 @@ #include #include +/* pad multiplexing support */ +/* muxing registers */ +#define PAD_MUX_CONFIG_REG 0x00 +#define MODE_CONFIG_REG 0x04 + +/* modes */ +#define NAND_MODE (1 << 0) +#define NOR_MODE (1 << 1) +#define PHOTO_FRAME_MODE (1 << 2) +#define LEND_IP_PHONE_MODE (1 << 3) +#define HEND_IP_PHONE_MODE (1 << 4) +#define LEND_WIFI_PHONE_MODE (1 << 5) +#define HEND_WIFI_PHONE_MODE (1 << 6) +#define ATA_PABX_WI2S_MODE (1 << 7) +#define ATA_PABX_I2S_MODE (1 << 8) +#define CAML_LCDW_MODE (1 << 9) +#define CAMU_LCD_MODE (1 << 10) +#define CAMU_WLCD_MODE (1 << 11) +#define CAML_LCD_MODE (1 << 12) +#define ALL_MODES 0x1FFF + +struct pmx_mode nand_mode = { + .id = NAND_MODE, + .name = "nand mode", + .mask = 0x00, +}; + +struct pmx_mode nor_mode = { + .id = NOR_MODE, + .name = "nor mode", + .mask = 0x01, +}; + +struct pmx_mode photo_frame_mode = { + .id = PHOTO_FRAME_MODE, + .name = "photo frame mode", + .mask = 0x02, +}; + +struct pmx_mode lend_ip_phone_mode = { + .id = LEND_IP_PHONE_MODE, + .name = "lend ip phone mode", + .mask = 0x03, +}; + +struct pmx_mode hend_ip_phone_mode = { + .id = HEND_IP_PHONE_MODE, + .name = "hend ip phone mode", + .mask = 0x04, +}; + +struct pmx_mode lend_wifi_phone_mode = { + .id = LEND_WIFI_PHONE_MODE, + .name = "lend wifi phone mode", + .mask = 0x05, +}; + +struct pmx_mode hend_wifi_phone_mode = { + .id = HEND_WIFI_PHONE_MODE, + .name = "hend wifi phone mode", + .mask = 0x06, +}; + +struct pmx_mode ata_pabx_wi2s_mode = { + .id = ATA_PABX_WI2S_MODE, + .name = "ata pabx wi2s mode", + .mask = 0x07, +}; + +struct pmx_mode ata_pabx_i2s_mode = { + .id = ATA_PABX_I2S_MODE, + .name = "ata pabx i2s mode", + .mask = 0x08, +}; + +struct pmx_mode caml_lcdw_mode = { + .id = CAML_LCDW_MODE, + .name = "caml lcdw mode", + .mask = 0x0C, +}; + +struct pmx_mode camu_lcd_mode = { + .id = CAMU_LCD_MODE, + .name = "camu lcd mode", + .mask = 0x0D, +}; + +struct pmx_mode camu_wlcd_mode = { + .id = CAMU_WLCD_MODE, + .name = "camu wlcd mode", + .mask = 0x0E, +}; + +struct pmx_mode caml_lcd_mode = { + .id = CAML_LCD_MODE, + .name = "caml lcd mode", + .mask = 0x0F, +}; + +/* devices */ +struct pmx_dev_mode pmx_fsmc_2_chips_modes[] = { + { + .ids = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE | + ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE, + .mask = PMX_FIRDA_MASK, + }, +}; + +struct pmx_dev pmx_fsmc_2_chips = { + .name = "fsmc_2_chips", + .modes = pmx_fsmc_2_chips_modes, + .mode_count = ARRAY_SIZE(pmx_fsmc_2_chips_modes), + .enb_on_reset = 1, +}; + +struct pmx_dev_mode pmx_fsmc_4_chips_modes[] = { + { + .ids = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE | + ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE, + .mask = PMX_FIRDA_MASK | PMX_UART0_MASK, + }, +}; + +struct pmx_dev pmx_fsmc_4_chips = { + .name = "fsmc_4_chips", + .modes = pmx_fsmc_4_chips_modes, + .mode_count = ARRAY_SIZE(pmx_fsmc_4_chips_modes), + .enb_on_reset = 1, +}; + +struct pmx_dev_mode pmx_keyboard_modes[] = { + { + .ids = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE | + LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE | + CAML_LCDW_MODE | CAMU_LCD_MODE | CAMU_WLCD_MODE | + CAML_LCD_MODE, + .mask = 0x0, + }, +}; + +struct pmx_dev pmx_keyboard = { + .name = "keyboard", + .modes = pmx_keyboard_modes, + .mode_count = ARRAY_SIZE(pmx_keyboard_modes), + .enb_on_reset = 1, +}; + +struct pmx_dev_mode pmx_clcd_modes[] = { + { + .ids = PHOTO_FRAME_MODE, + .mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK , + }, { + .ids = HEND_IP_PHONE_MODE | HEND_WIFI_PHONE_MODE | + CAMU_LCD_MODE | CAML_LCD_MODE, + .mask = PMX_TIMER_3_4_MASK, + }, +}; + +struct pmx_dev pmx_clcd = { + .name = "clcd", + .modes = pmx_clcd_modes, + .mode_count = ARRAY_SIZE(pmx_clcd_modes), + .enb_on_reset = 1, +}; + +struct pmx_dev_mode pmx_telecom_gpio_modes[] = { + { + .ids = PHOTO_FRAME_MODE | CAMU_LCD_MODE | CAML_LCD_MODE, + .mask = PMX_MII_MASK, + }, { + .ids = LEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE, + .mask = PMX_MII_MASK | PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK, + }, { + .ids = ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_WLCD_MODE, + .mask = PMX_MII_MASK | PMX_TIMER_3_4_MASK, + }, { + .ids = HEND_IP_PHONE_MODE | HEND_WIFI_PHONE_MODE, + .mask = PMX_MII_MASK | PMX_TIMER_1_2_MASK, + }, { + .ids = ATA_PABX_WI2S_MODE, + .mask = PMX_MII_MASK | PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK + | PMX_UART0_MODEM_MASK, + }, +}; + +struct pmx_dev pmx_telecom_gpio = { + .name = "telecom_gpio", + .modes = pmx_telecom_gpio_modes, + .mode_count = ARRAY_SIZE(pmx_telecom_gpio_modes), + .enb_on_reset = 1, +}; + +struct pmx_dev_mode pmx_telecom_tdm_modes[] = { + { + .ids = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE | + HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE + | HEND_WIFI_PHONE_MODE | ATA_PABX_WI2S_MODE + | ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE + | CAMU_WLCD_MODE | CAML_LCD_MODE, + .mask = PMX_UART0_MODEM_MASK | PMX_SSP_CS_MASK, + }, +}; + +struct pmx_dev pmx_telecom_tdm = { + .name = "telecom_tdm", + .modes = pmx_telecom_tdm_modes, + .mode_count = ARRAY_SIZE(pmx_telecom_tdm_modes), + .enb_on_reset = 1, +}; + +struct pmx_dev_mode pmx_telecom_spi_cs_i2c_clk_modes[] = { + { + .ids = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE | + LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE + | ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE | + CAML_LCDW_MODE | CAML_LCD_MODE, + .mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK, + }, +}; + +struct pmx_dev pmx_telecom_spi_cs_i2c_clk = { + .name = "telecom_spi_cs_i2c_clk", + .modes = pmx_telecom_spi_cs_i2c_clk_modes, + .mode_count = ARRAY_SIZE(pmx_telecom_spi_cs_i2c_clk_modes), + .enb_on_reset = 1, +}; + +struct pmx_dev_mode pmx_telecom_camera_modes[] = { + { + .ids = CAML_LCDW_MODE | CAML_LCD_MODE, + .mask = PMX_MII_MASK, + }, { + .ids = CAMU_LCD_MODE | CAMU_WLCD_MODE, + .mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK | PMX_MII_MASK, + }, +}; + +struct pmx_dev pmx_telecom_camera = { + .name = "telecom_camera", + .modes = pmx_telecom_camera_modes, + .mode_count = ARRAY_SIZE(pmx_telecom_camera_modes), + .enb_on_reset = 1, +}; + +struct pmx_dev_mode pmx_telecom_dac_modes[] = { + { + .ids = ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE + | CAMU_WLCD_MODE | CAML_LCD_MODE, + .mask = PMX_TIMER_1_2_MASK, + }, +}; + +struct pmx_dev pmx_telecom_dac = { + .name = "telecom_dac", + .modes = pmx_telecom_dac_modes, + .mode_count = ARRAY_SIZE(pmx_telecom_dac_modes), + .enb_on_reset = 1, +}; + +struct pmx_dev_mode pmx_telecom_i2s_modes[] = { + { + .ids = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE + | LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE | + ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE + | CAMU_WLCD_MODE | CAML_LCD_MODE, + .mask = PMX_UART0_MODEM_MASK, + }, +}; + +struct pmx_dev pmx_telecom_i2s = { + .name = "telecom_i2s", + .modes = pmx_telecom_i2s_modes, + .mode_count = ARRAY_SIZE(pmx_telecom_i2s_modes), + .enb_on_reset = 1, +}; + +struct pmx_dev_mode pmx_telecom_boot_pins_modes[] = { + { + .ids = NAND_MODE | NOR_MODE, + .mask = PMX_UART0_MODEM_MASK | PMX_TIMER_1_2_MASK | + PMX_TIMER_3_4_MASK, + }, +}; + +struct pmx_dev pmx_telecom_boot_pins = { + .name = "telecom_boot_pins", + .modes = pmx_telecom_boot_pins_modes, + .mode_count = ARRAY_SIZE(pmx_telecom_boot_pins_modes), + .enb_on_reset = 1, +}; + +struct pmx_dev_mode pmx_telecom_sdio_4bit_modes[] = { + { + .ids = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE | + HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE | + HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE | + CAMU_WLCD_MODE | CAML_LCD_MODE | ATA_PABX_WI2S_MODE | + ATA_PABX_I2S_MODE, + .mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK | + PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK | + PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK, + }, +}; + +struct pmx_dev pmx_telecom_sdio_4bit = { + .name = "telecom_sdio_4bit", + .modes = pmx_telecom_sdio_4bit_modes, + .mode_count = ARRAY_SIZE(pmx_telecom_sdio_4bit_modes), + .enb_on_reset = 1, +}; + +struct pmx_dev_mode pmx_telecom_sdio_8bit_modes[] = { + { + .ids = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE | + HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE | + HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE | + CAMU_WLCD_MODE | CAML_LCD_MODE, + .mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK | + PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK | + PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK | PMX_MII_MASK, + }, +}; + +struct pmx_dev pmx_telecom_sdio_8bit = { + .name = "telecom_sdio_8bit", + .modes = pmx_telecom_sdio_8bit_modes, + .mode_count = ARRAY_SIZE(pmx_telecom_sdio_8bit_modes), + .enb_on_reset = 1, +}; + +struct pmx_dev_mode pmx_gpio1_modes[] = { + { + .ids = PHOTO_FRAME_MODE, + .mask = PMX_UART0_MODEM_MASK | PMX_TIMER_1_2_MASK | + PMX_TIMER_3_4_MASK, + }, +}; + +struct pmx_dev pmx_gpio1 = { + .name = "arm gpio1", + .modes = pmx_gpio1_modes, + .mode_count = ARRAY_SIZE(pmx_gpio1_modes), + .enb_on_reset = 1, +}; + +/* pmx driver structure */ +struct pmx_driver pmx_driver = { + .mode_reg = {.offset = MODE_CONFIG_REG, .mask = 0x0000000f}, + .mux_reg = {.offset = PAD_MUX_CONFIG_REG, .mask = 0x00007fff}, +}; + /* Add spear300 specific devices here */ /* arm gpio1 device registeration */ static struct pl061_platform_data gpio1_plat_data = { @@ -38,8 +389,15 @@ struct amba_device gpio1_device = { .irq = {IRQ_GEN_RAS_1, NO_IRQ}, }; +/* spear300 routines */ void __init spear300_init(void) { /* call spear3xx family common init function */ spear3xx_init(); } + +void spear300_pmx_init(void) +{ + spear_pmx_init(&pmx_driver, SPEAR300_SOC_CONFIG_BASE, + SPEAR300_SOC_CONFIG_SIZE); +} -- cgit v1.2.3