[PATCH 1/2] OMAP: Add OMAP_LDP platform support.

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Add OMAP_LDP platform support.

Signed-off-by: Stanley.Miao <stanley.miao@xxxxxxxxxxxxx>
---
 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

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