* [PATCH 1/2] OMAP: Add OMAP_LDP platform support.
2008-11-26 23:12 [PATCHv2 0/3] OMAP_LDP support in linux-git tree Tony Lindgren
@ 2008-11-27 15:34 ` Stanley.Miao
0 siblings, 0 replies; 3+ messages in thread
From: Stanley.Miao @ 2008-11-27 15:34 UTC (permalink / raw)
To: tony; +Cc: linux-omap
Add OMAP_LDP platform support.
Signed-off-by: Stanley.Miao <stanley.miao@windriver.com>
---
arch/arm/mach-omap2/board-ldp.c | 477 ++++++++++++++++++++++++++-
arch/arm/plat-omap/include/mach/board-ldp.h | 4 +
2 files changed, 479 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index 1ea5998..7513bcd 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -16,11 +16,13 @@
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/input.h>
+#include <linux/gpio_keys.h>
#include <linux/workqueue.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
+#include <linux/i2c/twl4030.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -32,41 +34,512 @@
#include <mach/gpio.h>
#include <mach/board.h>
#include <mach/common.h>
+#include <mach/keypad.h>
#include <mach/gpmc.h>
+#include <mach/mmc.h>
+#include <mach/usb-musb.h>
#include <asm/io.h>
#include <asm/delay.h>
#include <mach/control.h>
+#include "mmc-twl4030.h"
+
+
+#define CONFIG_DISABLE_HFCLK 1
+
+#define ENABLE_VAUX1_DEDICATED 0x03
+#define ENABLE_VAUX1_DEV_GRP 0x20
+
+#define TWL4030_MSECURE_GPIO 22
+
+static struct resource ldp_smc911x_resources[] = {
+ [0] = {
+ .start = OMAP34XX_ETHR_START,
+ .end = OMAP34XX_ETHR_START + SZ_4K,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 0,
+ .end = 0,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
+ },
+};
+
+static struct platform_device ldp_smc911x_device = {
+ .name = "smc911x",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(ldp_smc911x_resources),
+ .resource = ldp_smc911x_resources,
+};
+
+static int ldp_twl4030_keymap[] = {
+ KEY(0, 0, KEY_1),
+ KEY(1, 0, KEY_2),
+ KEY(2, 0, KEY_3),
+ KEY(0, 1, KEY_4),
+ KEY(1, 1, KEY_5),
+ KEY(2, 1, KEY_6),
+ KEY(3, 1, KEY_F5),
+ KEY(0, 2, KEY_7),
+ KEY(1, 2, KEY_8),
+ KEY(2, 2, KEY_9),
+ KEY(3, 2, KEY_F6),
+ KEY(0, 3, KEY_F7),
+ KEY(1, 3, KEY_0),
+ KEY(2, 3, KEY_F8),
+ PERSISTENT_KEY(4, 5),
+ KEY(4, 4, KEY_VOLUMEUP),
+ KEY(5, 5, KEY_VOLUMEDOWN),
+ 0
+};
+
+static struct twl4030_keypad_data ldp_kp_twl4030_data = {
+ .rows = 6,
+ .cols = 6,
+ .keymap = ldp_twl4030_keymap,
+ .keymapsize = ARRAY_SIZE(ldp_twl4030_keymap),
+ .rep = 1,
+ .irq = TWL4030_MODIRQ_KEYPAD,
+};
+
+static struct gpio_keys_button ldp_gpio_keys_buttons[] = {
+ [0] = {
+ .code = KEY_ENTER,
+ .gpio = 101,
+ .desc = "enter sw",
+ .active_low = 1,
+ .debounce_interval = 30,
+ },
+ [1] = {
+ .code = KEY_F1,
+ .gpio = 102,
+ .desc = "func 1",
+ .active_low = 1,
+ .debounce_interval = 30,
+ },
+ [2] = {
+ .code = KEY_F2,
+ .gpio = 103,
+ .desc = "func 2",
+ .active_low = 1,
+ .debounce_interval = 30,
+ },
+ [3] = {
+ .code = KEY_F3,
+ .gpio = 104,
+ .desc = "func 3",
+ .active_low = 1,
+ .debounce_interval = 30,
+ },
+ [4] = {
+ .code = KEY_F4,
+ .gpio = 105,
+ .desc = "func 4",
+ .active_low = 1,
+ .debounce_interval = 30,
+ },
+ [5] = {
+ .code = KEY_LEFT,
+ .gpio = 106,
+ .desc = "left sw",
+ .active_low = 1,
+ .debounce_interval = 30,
+ },
+ [6] = {
+ .code = KEY_RIGHT,
+ .gpio = 107,
+ .desc = "right sw",
+ .active_low = 1,
+ .debounce_interval = 30,
+ },
+ [7] = {
+ .code = KEY_UP,
+ .gpio = 108,
+ .desc = "up sw",
+ .active_low = 1,
+ .debounce_interval = 30,
+ },
+ [8] = {
+ .code = KEY_DOWN,
+ .gpio = 109,
+ .desc = "down sw",
+ .active_low = 1,
+ .debounce_interval = 30,
+ },
+};
+
+static struct gpio_keys_platform_data ldp_gpio_keys = {
+ .buttons = ldp_gpio_keys_buttons,
+ .nbuttons = ARRAY_SIZE(ldp_gpio_keys_buttons),
+ .rep = 1,
+};
+
+static struct platform_device ldp_gpio_keys_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &ldp_gpio_keys,
+ },
+};
+
+static int ts_gpio;
+
+static int __init msecure_init(void)
+{
+ int ret = 0;
+
+#ifdef CONFIG_RTC_DRV_TWL4030
+ /* 3430ES2.0 doesn't have msecure/gpio-22 line connected to T2 */
+ if (omap_type() == OMAP2_DEVICE_TYPE_GP &&
+ omap_rev() < OMAP3430_REV_ES2_0) {
+ void __iomem *msecure_pad_config_reg =
+ omap_ctrl_base_get() + 0xA3C;
+ int mux_mask = 0x04;
+ u16 tmp;
+
+ ret = gpio_request(TWL4030_MSECURE_GPIO, "msecure");
+ if (ret < 0) {
+ printk(KERN_ERR "msecure_init: can't"
+ "reserve GPIO:%d !\n", TWL4030_MSECURE_GPIO);
+ goto out;
+ }
+ /*
+ * TWL4030 will be in secure mode if msecure line from OMAP
+ * is low. Make msecure line high in order to change the
+ * TWL4030 RTC time and calender registers.
+ */
+
+ tmp = __raw_readw(msecure_pad_config_reg);
+ tmp &= 0xF8; /* To enable mux mode 03/04 = GPIO_RTC */
+ tmp |= mux_mask;/* To enable mux mode 03/04 = GPIO_RTC */
+ __raw_writew(tmp, msecure_pad_config_reg);
+
+ gpio_direction_output(TWL4030_MSECURE_GPIO, 1);
+ }
+out:
+#endif
+ return ret;
+}
+
+/**
+ * @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq
+ *
+ * @return - void. If request gpio fails then Flag KERN_ERR.
+ */
+static void ads7846_dev_init(void)
+{
+ if (omap_request_gpio(ts_gpio) < 0) {
+ printk(KERN_ERR "can't get ads746 pen down GPIO\n");
+ return;
+ }
+
+ gpio_direction_input(ts_gpio);
+
+ omap_set_gpio_debounce(ts_gpio, 1);
+ omap_set_gpio_debounce_time(ts_gpio, 0xa);
+}
+
+static int ads7846_get_pendown_state(void)
+{
+ return !gpio_get_value(ts_gpio);
+}
+
+/*
+ * This enable(1)/disable(0) the voltage for TS: uses twl4030 calls
+ */
+static int ads7846_vaux_control(int vaux_cntrl)
+{
+ int ret = 0;
+
+#ifdef CONFIG_TWL4030_CORE
+ /* check for return value of ldo_use: if success it returns 0 */
+ if (vaux_cntrl == VAUX_ENABLE) {
+ if (ret != twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ ENABLE_VAUX1_DEDICATED, TWL4030_VAUX1_DEDICATED))
+ return -EIO;
+ if (ret != twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ ENABLE_VAUX1_DEV_GRP, TWL4030_VAUX1_DEV_GRP))
+ return -EIO;
+ } else if (vaux_cntrl == VAUX_DISABLE) {
+ if (ret != twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ 0x00, TWL4030_VAUX1_DEDICATED))
+ return -EIO;
+ if (ret != twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ 0x00, TWL4030_VAUX1_DEV_GRP))
+ return -EIO;
+ }
+#else
+ ret = -EIO;
+#endif
+ return ret;
+}
+
+static struct ads7846_platform_data tsc2046_config __initdata = {
+ .x_max = 0x0fff,
+ .y_max = 0x0fff,
+ .x_plate_ohms = 180,
+ .pressure_max = 255,
+ .debounce_max = 10,
+ .debounce_tol = 10,
+ .debounce_rep = 1,
+ .get_pendown_state = ads7846_get_pendown_state,
+ .keep_vref_on = 1,
+ .vaux_control = ads7846_vaux_control,
+ .settle_delay_usecs = 150,
+};
+
+
+static struct omap2_mcspi_device_config tsc2046_mcspi_config = {
+ .turbo_mode = 0,
+ .single_channel = 1, /* 0: slave, 1: master */
+};
+
+static struct spi_board_info ldp_spi_board_info[] __initdata = {
+ [0] = {
+ /*
+ * TSC2046 operates at a max freqency of 2MHz, so
+ * operate slightly below at 1.5MHz
+ */
+ .modalias = "ads7846",
+ .bus_num = 1,
+ .chip_select = 0,
+ .max_speed_hz = 1500000,
+ .controller_data = &tsc2046_mcspi_config,
+ .irq = 0,
+ .platform_data = &tsc2046_config,
+ },
+};
+
+static struct platform_device ldp_lcd_device = {
+ .name = "ldp_lcd",
+ .id = -1,
+};
+
+static struct platform_device *ldp_devices[] __initdata = {
+ &ldp_smc911x_device,
+ &ldp_lcd_device,
+ &ldp_gpio_keys_device,
+};
+
+static inline void __init ldp_init_smc911x(void)
+{
+ int eth_cs;
+ unsigned long cs_mem_base;
+ int eth_gpio = 0;
+
+ eth_cs = LDP_SMC911X_CS;
+
+ if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
+ printk(KERN_ERR "Failed to request GPMC mem for smc911x\n");
+ return;
+ }
+
+ ldp_smc911x_resources[0].start = cs_mem_base + 0x0;
+ ldp_smc911x_resources[0].end = cs_mem_base + 0xf;
+ udelay(100);
+
+ eth_gpio = LDP_SMC911X_GPIO;
+
+ ldp_smc911x_resources[1].start = OMAP_GPIO_IRQ(eth_gpio);
+
+ if (gpio_request(eth_gpio, "LAN IRQ line") < 0) {
+ printk(KERN_ERR "Failed to request GPIO%d for smc911x IRQ\n",
+ eth_gpio);
+ return;
+ }
+ gpio_direction_input(eth_gpio);
+}
+
+
static void __init omap_ldp_init_irq(void)
{
- omap2_init_common_hw();
+ omap2_init_common_hw(NULL);
omap_init_irq();
omap_gpio_init();
+ ldp_init_smc911x();
}
static struct omap_uart_config ldp_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};
+static struct omap_lcd_config ldp_lcd_config __initdata = {
+ .ctrl_name = "internal",
+};
+
static struct omap_board_config_kernel ldp_config[] __initdata = {
{ OMAP_TAG_UART, &ldp_uart_config },
+ { OMAP_TAG_LCD, &ldp_lcd_config },
+};
+
+static int ldp_batt_table[] = {
+/* 0 C*/
+30800, 29500, 28300, 27100,
+26000, 24900, 23900, 22900, 22000, 21100, 20300, 19400, 18700, 17900,
+17200, 16500, 15900, 15300, 14700, 14100, 13600, 13100, 12600, 12100,
+11600, 11200, 10800, 10400, 10000, 9630, 9280, 8950, 8620, 8310,
+8020, 7730, 7460, 7200, 6950, 6710, 6470, 6250, 6040, 5830,
+5640, 5450, 5260, 5090, 4920, 4760, 4600, 4450, 4310, 4170,
+4040, 3910, 3790, 3670, 3550
+};
+
+static struct twl4030_ins __initdata sleep_on_seq[] = {
+/*
+ * Turn off VDD1 and VDD2.
+ */
+ {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_OFF), 4},
+ {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_OFF), 2},
+#ifdef CONFIG_DISABLE_HFCLK
+/*
+ * And also turn off the OMAP3 PLLs and the sysclk output.
+ */
+ {MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_OFF), 3},
+ {MSG_SINGULAR(DEV_GRP_P1, 0x19, RES_STATE_OFF), 3},
+#endif
+};
+
+static struct twl4030_script sleep_on_script __initdata = {
+ .script = sleep_on_seq,
+ .size = ARRAY_SIZE(sleep_on_seq),
+ .flags = TRITON_SLEEP_SCRIPT,
+};
+
+static struct twl4030_ins wakeup_seq[] __initdata = {
+#ifndef CONFIG_DISABLE_HFCLK
+/*
+ * Wakeup VDD1 and VDD2.
+ */
+ {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_ACTIVE), 4},
+ {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_ACTIVE), 2},
+#else
+/*
+ * Reenable the OMAP3 PLLs.
+ * Wakeup VDD1 and VDD2.
+ * Reenable sysclk output.
+ */
+ {MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_ACTIVE), 0x30},
+ {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_ACTIVE), 0x30},
+ {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_ACTIVE), 0x37},
+ {MSG_SINGULAR(DEV_GRP_P1, 0x19, RES_STATE_ACTIVE), 3},
+#endif /* #ifndef CONFIG_DISABLE_HFCLK */
+};
+
+static struct twl4030_script wakeup_script __initdata = {
+ .script = wakeup_seq,
+ .size = ARRAY_SIZE(wakeup_seq),
+ .flags = TRITON_WAKEUP12_SCRIPT | TRITON_WAKEUP3_SCRIPT,
+};
+
+static struct twl4030_ins wrst_seq[] __initdata = {
+/*
+ * Reset twl4030.
+ * Reset VDD1 regulator.
+ * Reset VDD2 regulator.
+ * Reset VPLL1 regulator.
+ * Enable sysclk output.
+ * Reenable twl4030.
+ */
+ {MSG_SINGULAR(DEV_GRP_NULL, 0x1b, RES_STATE_OFF), 2},
+ {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_WRST), 15},
+ {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_WRST), 15},
+ {MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_WRST), 0x60},
+ {MSG_SINGULAR(DEV_GRP_P1, 0x19, RES_STATE_ACTIVE), 2},
+ {MSG_SINGULAR(DEV_GRP_NULL, 0x1b, RES_STATE_ACTIVE), 2},
+};
+
+static struct twl4030_script wrst_script __initdata = {
+ .script = wrst_seq,
+ .size = ARRAY_SIZE(wakeup_seq),
+ .flags = TRITON_WRST_SCRIPT,
+};
+
+static struct twl4030_script *twl4030_scripts[] __initdata = {
+ &sleep_on_script,
+ &wakeup_script,
+ &wrst_script,
+};
+
+static struct twl4030_power_data sdp3430_t2scripts_data __initdata = {
+ .scripts = twl4030_scripts,
+ .size = ARRAY_SIZE(twl4030_scripts),
+};
+
+static struct twl4030_bci_platform_data ldp_bci_data = {
+ .battery_tmp_tbl = ldp_batt_table,
+ .tblsize = ARRAY_SIZE(ldp_batt_table),
+};
+
+static struct twl4030_usb_data ldp_usb_data = {
+ .usb_mode = T2_USB_MODE_ULPI,
+};
+
+static struct twl4030_gpio_platform_data ldp_gpio_data = {
+ .gpio_base = OMAP_MAX_GPIO_LINES,
+ .irq_base = TWL4030_GPIO_IRQ_BASE,
+ .irq_end = TWL4030_GPIO_IRQ_END,
+};
+
+static struct twl4030_madc_platform_data ldp_madc_data = {
+ .irq_line = 1,
+};
+
+static struct twl4030_platform_data ldp_twldata = {
+ .irq_base = TWL4030_IRQ_BASE,
+ .irq_end = TWL4030_IRQ_END,
+
+ /* platform_data for children goes here */
+ .bci = &ldp_bci_data,
+ .madc = &ldp_madc_data,
+ .usb = &ldp_usb_data,
+ .power = &sdp3430_t2scripts_data,
+ .gpio = &ldp_gpio_data,
+ .keypad = &ldp_kp_twl4030_data,
+};
+
+static struct i2c_board_info __initdata ldp_i2c_boardinfo[] = {
+ {
+ I2C_BOARD_INFO("twl4030", 0x48),
+ .flags = I2C_CLIENT_WAKE,
+ .irq = INT_34XX_SYS_NIRQ,
+ .platform_data = &ldp_twldata,
+ },
};
static int __init omap_i2c_init(void)
{
- omap_register_i2c_bus(1, 2600, NULL, 0);
+ omap_register_i2c_bus(1, 2600, ldp_i2c_boardinfo,
+ ARRAY_SIZE(ldp_i2c_boardinfo));
omap_register_i2c_bus(2, 400, NULL, 0);
omap_register_i2c_bus(3, 400, NULL, 0);
return 0;
}
+static struct twl4030_hsmmc_info mmc[] __initdata = {
+ {
+ .mmc = 1,
+ .wires = 4,
+ .gpio_cd = -EINVAL,
+ .gpio_wp = -EINVAL,
+ },
+ {} /* Terminator */
+};
+
static void __init omap_ldp_init(void)
{
omap_i2c_init();
+ platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
omap_board_config = ldp_config;
omap_board_config_size = ARRAY_SIZE(ldp_config);
+ ts_gpio = 54;
+ ldp_spi_board_info[0].irq = gpio_to_irq(ts_gpio);
+ spi_register_board_info(ldp_spi_board_info,
+ ARRAY_SIZE(ldp_spi_board_info));
+ msecure_init();
+ ads7846_dev_init();
omap_serial_init();
+ usb_musb_init();
+ hsmmc_init(mmc);
}
static void __init omap_ldp_map_io(void)
diff --git a/arch/arm/plat-omap/include/mach/board-ldp.h b/arch/arm/plat-omap/include/mach/board-ldp.h
index 66e2746..c5d15bb 100644
--- a/arch/arm/plat-omap/include/mach/board-ldp.h
+++ b/arch/arm/plat-omap/include/mach/board-ldp.h
@@ -33,4 +33,8 @@ extern void twl4030_bci_battery_init(void);
#define TWL4030_IRQNUM INT_34XX_SYS_NIRQ
+#define LDP_SMC911X_CS 1
+#define LDP_SMC911X_GPIO 152
+#define DEBUG_BASE 0x08000000
+#define OMAP34XX_ETHR_START DEBUG_BASE
#endif /* __ASM_ARCH_OMAP_LDP_H */
--
1.5.6.3
^ permalink raw reply related [flat|nested] 3+ messages in thread