* [PATCH 1/3] Initial B&N Nook Color (encore) support.
2011-06-14 15:45 Initial B&N Nook Color support, take six green
@ 2011-06-14 15:45 ` green
2011-06-14 15:45 ` [PATCH 2/3] Add tps65921 chip green
2011-06-14 15:45 ` [PATCH 3/3] Update Nook Color machine 3284 to common Encore name green
2 siblings, 0 replies; 9+ messages in thread
From: green @ 2011-06-14 15:45 UTC (permalink / raw)
To: linux-omap; +Cc: linux-arm-kernel, Oleg Drokin
From: Oleg Drokin <green@linuxhacker.ru>
Bare-bones board file, comes with serial console, gpio keys,
MMC/SDCard and USB (peripheral) support.
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
---
arch/arm/mach-omap2/Kconfig | 5 +
arch/arm/mach-omap2/Makefile | 2 +
arch/arm/mach-omap2/board-omap3encore.c | 348 ++++++++++++++++++++++++++
arch/arm/plat-omap/include/plat/uncompress.h | 1 +
4 files changed, 356 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 19d5891..b525308 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 b148077..8fe635c 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..350c8dd
--- /dev/null
+++ b/arch/arm/mach-omap2/board-omap3encore.c
@@ -0,0 +1,348 @@
+/*
+ * 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.
+ *
+ * June 2011 Oleg Drokin <green@linuxhacker.ru> - Port to mainline
+ *
+ */
+
+#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[] = {
+ REGULATOR_SUPPLY("vmmc", "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 = ARRAY_SIZE(encore_vmmc1_supply),
+ .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 = ARRAY_SIZE(encore_vdda_dac_supply),
+ .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 },
+};
+#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 ac4b60d..2d93126 100644
--- a/arch/arm/plat-omap/include/plat/uncompress.h
+++ b/arch/arm/plat-omap/include/plat/uncompress.h
@@ -150,6 +150,7 @@ 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
^ permalink raw reply related [flat|nested] 9+ messages in thread