From: Oleg Drokin <green@xxxxxxxxxxxxxx> Bare-bones board file, comes with serial console, gpio keys, MMC/SDCard and USB (peripheral) support. Signed-off-by: Oleg Drokin <green@xxxxxxxxxxxxxx> --- arch/arm/mach-omap2/Kconfig | 5 + arch/arm/mach-omap2/Makefile | 2 + arch/arm/mach-omap2/board-omap3encore.c | 350 ++++++++++++++++++++++++++ arch/arm/plat-omap/include/plat/uncompress.h | 1 + 4 files changed, 358 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-omap2/board-omap3encore.c diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index b997a35..5370561 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -173,6 +173,11 @@ config MACH_OMAP3_TORPEDO for full description please see the products webpage at http://www.logicpd.com/products/development-kits/zoom-omap35x-torpedo-development-kit +config MACH_ENCORE + bool "Barnes & Noble Encore (Nook Color)" + depends on ARCH_OMAP3 + select OMAP_PACKAGE_CBP + config MACH_OVERO bool "Gumstix Overo board" depends on ARCH_OMAP3 diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index a0c2cae..619e5ca 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -189,6 +189,8 @@ obj-$(CONFIG_MACH_OMAP3530_LV_SOM) += board-omap3logic.o \ hsmmc.o obj-$(CONFIG_MACH_OMAP3_TORPEDO) += board-omap3logic.o \ hsmmc.o +obj-$(CONFIG_MACH_ENCORE) += board-omap3encore.o \ + hsmmc.o obj-$(CONFIG_MACH_OVERO) += board-overo.o \ hsmmc.o obj-$(CONFIG_MACH_OMAP3EVM) += board-omap3evm.o \ diff --git a/arch/arm/mach-omap2/board-omap3encore.c b/arch/arm/mach-omap2/board-omap3encore.c new file mode 100644 index 0000000..e4a0a98 --- /dev/null +++ b/arch/arm/mach-omap2/board-omap3encore.c @@ -0,0 +1,350 @@ +/* + * Support for Barns&Noble Nook Color + * + * Loosely based on mach-omap2/board-zoom.c + * Copyright (C) 2008-2010 Texas Instruments Inc. + * + * 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 + * published by the Free Software Foundation. + * + * May 2011 Oleg Drokin <green@xxxxxxxxxxxxxx> - Port to 2.6.39 + * + */ + +#include <linux/gpio.h> +#include <linux/gpio_keys.h> +#include <linux/i2c/twl.h> +#include <linux/regulator/machine.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#include <plat/common.h> +#include <plat/usb.h> +#include <plat/mux.h> +#include <plat/mmc.h> + +#include "mux.h" +#include "hsmmc.h" +#include "sdram-hynix-h8mbx00u0mer-0em.h" + +/* Encore-specific device-info and i2c addresses. */ +/* Battery, bus 1 */ +#define MAX17042_I2C_SLAVE_ADDRESS 0x36 +#define MAX17042_GPIO_FOR_IRQ 100 + +/*addition of MAXIM8903/TI GPIO mapping WRT schematics */ +#define MAX8903_UOK_GPIO_FOR_IRQ 115 +#define MAX8903_DOK_GPIO_FOR_IRQ 114 +#define MAX8903_GPIO_CHG_EN 110 +#define MAX8903_GPIO_CHG_STATUS 111 +#define MAX8903_GPIO_CHG_FLT 101 +#define MAX8903_GPIO_CHG_IUSB 102 +#define MAX8903_GPIO_CHG_USUS 104 +#define MAX8903_GPIO_CHG_ILM 61 + +/* TI WLAN */ +#define ENCORE_WIFI_PMENA_GPIO 22 +#define ENCORE_WIFI_IRQ_GPIO 15 +#define ENCORE_WIFI_EN_POW 16 + +/* Accelerometer i2c bus 1*/ +#define KXTF9_I2C_SLAVE_ADDRESS 0x0F +#define KXTF9_GPIO_FOR_PWR 34 +#define KXTF9_GPIO_FOR_IRQ 113 + +/* Touch screen i2c bus 2*/ +#define CYTTSP_I2C_SLAVEADDRESS 34 +#define ENCORE_CYTTSP_GPIO 99 +#define ENCORE_CYTTSP_RESET_GPIO 46 + +/* Audio codec, i2c bus 2 */ +#define AUDIO_CODEC_POWER_ENABLE_GPIO 103 +#define AUDIO_CODEC_RESET_GPIO 37 +#define AUDIO_CODEC_IRQ_GPIO 59 +#define AIC3100_I2CSLAVEADDRESS 0x18 + + +/* Different HW revisions */ +#define BOARD_ENCORE_REV_EVT1A 0x1 +#define BOARD_ENCORE_REV_EVT1B 0x2 +#define BOARD_ENCORE_REV_EVT2 0x3 +#define BOARD_ENCORE_REV_DVT 0x4 +#define BOARD_ENCORE_REV_PVT 0x5 +#define BOARD_ENCORE_REV_UNKNOWN 0x6 + +static inline int is_encore_board_evt2(void) +{ + return system_rev >= BOARD_ENCORE_REV_EVT2; +} + +static inline int is_encore_board_evt1b(void) +{ + return system_rev == BOARD_ENCORE_REV_EVT1B; +} + +static int encore_twl4030_keymap[] = { + KEY(1, 0, KEY_VOLUMEUP), + KEY(2, 0, KEY_VOLUMEDOWN), +}; + +static struct matrix_keymap_data encore_twl4030_keymap_data = { + .keymap = encore_twl4030_keymap, + .keymap_size = ARRAY_SIZE(encore_twl4030_keymap), +}; + +static struct twl4030_keypad_data encore_kp_twl4030_data = { + .rows = 8, + .cols = 8, + .keymap_data = &encore_twl4030_keymap_data, + .rep = 1, +}; + +/* HOME key code for HW > EVT2A */ +static struct gpio_keys_button encore_gpio_buttons[] = { + { + .code = KEY_POWER, + .gpio = 14, + .desc = "POWER", + .active_low = 0, + .wakeup = 1, + }, + { + .code = KEY_HOME, + .gpio = 48, + .desc = "HOME", + .active_low = 1, + .wakeup = 1, + }, +}; + +static struct gpio_keys_platform_data encore_gpio_key_info = { + .buttons = encore_gpio_buttons, + .nbuttons = ARRAY_SIZE(encore_gpio_buttons), +}; + +static struct platform_device encore_keys_gpio = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &encore_gpio_key_info, + }, +}; + +static struct platform_device *encore_devices[] __initdata = { + &encore_keys_gpio, +}; + +static void __init omap_encore_init_early(void) +{ + omap2_init_common_infrastructure(); + omap2_init_common_devices(h8mbx00u0mer0em_sdrc_params, + h8mbx00u0mer0em_sdrc_params); +} + +static struct twl4030_usb_data encore_usb_data = { + .usb_mode = T2_USB_MODE_ULPI, +}; + +static struct regulator_consumer_supply encore_vmmc1_supply = { + .supply = "vmmc", + .dev_name = "omap_hsmmc.0" +}; + +static struct regulator_consumer_supply encore_vdda_dac_supply = + REGULATOR_SUPPLY("vdda_dac", "omapdss_venc"); + +/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */ +static struct regulator_init_data encore_vmmc1 = { + .constraints = { + .min_uV = 1850000, + .max_uV = 3150000, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE + | REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &encore_vmmc1_supply, +}; + +static struct regulator_init_data encore_vdac = { + .constraints = { + .min_uV = 1800000, + .max_uV = 1800000, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &encore_vdda_dac_supply, +}; + +/* + * The order is reverted in this table so that internal eMMC is presented + * as first mmc card for compatibility with existing installations and + * for common sense reasons + */ +static struct omap2_hsmmc_info mmc[] __initdata = { + { + .name = "internal", + .mmc = 2, + .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA, + .gpio_cd = -EINVAL, + .gpio_wp = -EINVAL, + .nonremovable = true, + .power_saving = true, + .ocr_mask = MMC_VDD_165_195, /* 1.85V */ + }, + { + .name = "external", + .mmc = 1, + .caps = MMC_CAP_4_BIT_DATA, + .gpio_cd = -EINVAL, + .gpio_wp = -EINVAL, + .power_saving = true, + }, + { + .name = "internal", + .mmc = 3, + .caps = MMC_CAP_4_BIT_DATA, + .gpio_cd = -EINVAL, + .gpio_wp = -EINVAL, + .nonremovable = true, + .power_saving = true, + }, + {} /* Terminator */ +}; + +static int encore_hsmmc_card_detect(struct device *dev, int slot) +{ + struct omap_mmc_platform_data *mmc = dev->platform_data; + + /* Encore board EVT2 and later has pin high when card is present */ + return gpio_get_value_cansleep(mmc->slots[0].switch_pin); +} + +static int encore_twl4030_hsmmc_late_init(struct device *dev) +{ + int ret = 0; + struct platform_device *pdev = container_of(dev, + struct platform_device, dev); + struct omap_mmc_platform_data *pdata = dev->platform_data; + + if (is_encore_board_evt2()) { + /* Setting MMC1 (external) Card detect */ + if (pdev->id == 0) + pdata->slots[0].card_detect = encore_hsmmc_card_detect; + } + + return ret; +} + +static __init void encore_hsmmc_set_late_init(struct device *dev) +{ + struct omap_mmc_platform_data *pdata; + + /* dev can be null if CONFIG_MMC_OMAP_HS is not set */ + if (!dev) + return; + + pdata = dev->platform_data; + pdata->init = encore_twl4030_hsmmc_late_init; +} + +static int __ref encore_twl_gpio_setup(struct device *dev, + unsigned gpio, unsigned ngpio) +{ + struct omap2_hsmmc_info *c; + /* + * gpio + 0 is "mmc0_cd" (input/IRQ), + * gpio + 1 is "mmc1_cd" (input/IRQ) + */ + mmc[1].gpio_cd = gpio + 0; + mmc[0].gpio_cd = gpio + 1; + omap2_hsmmc_init(mmc); + for (c = mmc; c->mmc; c++) + encore_hsmmc_set_late_init(c->dev); + + return 0; +} + +static struct twl4030_gpio_platform_data encore_gpio_data = { + .gpio_base = OMAP_MAX_GPIO_LINES, + .irq_base = TWL4030_GPIO_IRQ_BASE, + .irq_end = TWL4030_GPIO_IRQ_END, + .setup = encore_twl_gpio_setup, +}; + +static struct twl4030_madc_platform_data encore_madc_data = { + .irq_line = 1, +}; + +static struct twl4030_platform_data __refdata encore_twldata = { + .irq_base = TWL4030_IRQ_BASE, + .irq_end = TWL4030_IRQ_END, + + .madc = &encore_madc_data, + .usb = &encore_usb_data, + .gpio = &encore_gpio_data, + .keypad = &encore_kp_twl4030_data, + .vmmc1 = &encore_vmmc1, + .vdac = &encore_vdac, +}; + +static struct i2c_board_info __initdata encore_i2c_bus1_info[] = { + { + I2C_BOARD_INFO("tps65921", 0x48), + .flags = I2C_CLIENT_WAKE, + .irq = INT_34XX_SYS_NIRQ, + .platform_data = &encore_twldata, + }, +}; + +static struct i2c_board_info __initdata encore_i2c_bus2_info[] = { +}; + +#ifdef CONFIG_OMAP_MUX +static struct omap_board_mux board_mux[] __initdata = { + { .reg_offset = OMAP_MUX_TERMINATOR }, +}; +#else +#define board_mux NULL +#endif + +static struct omap_board_config_kernel encore_config[] __initdata = { +}; + +static void __init omap_i2c_init(void) +{ + omap_register_i2c_bus(1, 100, encore_i2c_bus1_info, + ARRAY_SIZE(encore_i2c_bus1_info)); + omap_register_i2c_bus(2, 400, encore_i2c_bus2_info, + ARRAY_SIZE(encore_i2c_bus2_info)); +} + +static void __init omap_encore_init(void) +{ + omap3_mux_init(board_mux, OMAP_PACKAGE_CBP); + omap_i2c_init(); + omap_serial_init(); + usb_musb_init(NULL); + + omap_board_config = encore_config; + omap_board_config_size = ARRAY_SIZE(encore_config); + + platform_add_devices(encore_devices, ARRAY_SIZE(encore_devices)); +} + +MACHINE_START(ENCORE, "encore") + .boot_params = 0x80000100, + .reserve = omap_reserve, + .map_io = omap3_map_io, + .init_early = omap_encore_init_early, + .init_irq = omap_init_irq, + .init_machine = omap_encore_init, + .timer = &omap_timer, +MACHINE_END diff --git a/arch/arm/plat-omap/include/plat/uncompress.h b/arch/arm/plat-omap/include/plat/uncompress.h index 30b891c..21c4ca9 100644 --- a/arch/arm/plat-omap/include/plat/uncompress.h +++ b/arch/arm/plat-omap/include/plat/uncompress.h @@ -151,6 +151,7 @@ static inline void __arch_decomp_setup(unsigned long arch_id) DEBUG_LL_OMAP3(3, cm_t3517); DEBUG_LL_OMAP3(3, craneboard); DEBUG_LL_OMAP3(3, devkit8000); + DEBUG_LL_OMAP3(3, encore); DEBUG_LL_OMAP3(3, igep0020); DEBUG_LL_OMAP3(3, igep0030); DEBUG_LL_OMAP3(3, nokia_rm680); -- 1.7.4.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
