ARM: OMAP3: Add support for 3430 SDP, v4
Add support for 3430 SDP.
Various updates have been merged into this patch from
the linux-omap list.
Patch updated to initialize regulators by David Brownell
<dbrownell@users.sourceforge.net>.
Signed-off-by: Syed Mohammed Khasim <khasim@ti.com>
David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 3754b79..64ad5c0 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -58,4 +58,8 @@
config MACH_OMAP3_PANDORA
bool "OMAP3 Pandora"
- depends on ARCH_OMAP3 && ARCH_OMAP34XX
\ No newline at end of file
+ depends on ARCH_OMAP3 && ARCH_OMAP34XX
+
+config MACH_OMAP_3430SDP
+ bool "OMAP 3430 SDP board"
+ depends on ARCH_OMAP3 && ARCH_OMAP34XX
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 29f6ca9..809416d 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -38,6 +38,8 @@
mmc-twl4030.o
obj-$(CONFIG_MACH_OMAP3_PANDORA) += board-omap3pandora.o \
mmc-twl4030.o
+obj-$(CONFIG_MACH_OMAP_3430SDP) += board-3430sdp.o \
+ mmc-twl4030.o
# Platform specific device init code
ifeq ($(CONFIG_USB_MUSB_SOC),y)
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
new file mode 100644
index 0000000..2af38e5
--- /dev/null
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -0,0 +1,542 @@
+/*
+ * linux/arch/arm/mach-omap2/board-3430sdp.c
+ *
+ * Copyright (C) 2007 Texas Instruments
+ *
+ * Modified from mach-omap2/board-generic.c
+ *
+ * Initial code: Syed Mohammed Khasim
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/input.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+#include <linux/i2c/twl4030.h>
+#include <linux/regulator/machine.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/mcspi.h>
+#include <mach/mux.h>
+#include <mach/board.h>
+#include <mach/usb.h>
+#include <mach/common.h>
+#include <mach/dma.h>
+#include <mach/gpmc.h>
+
+#include <mach/control.h>
+#include <mach/keypad.h>
+
+#include "mmc-twl4030.h"
+
+#define CONFIG_DISABLE_HFCLK 1
+
+#define SDP3430_ETHR_GPIO_IRQ_SDPV1 29
+#define SDP3430_ETHR_GPIO_IRQ_SDPV2 6
+#define SDP3430_SMC91X_CS 3
+
+#define SDP3430_TS_GPIO_IRQ_SDPV1 3
+#define SDP3430_TS_GPIO_IRQ_SDPV2 2
+
+#define ENABLE_VAUX3_DEDICATED 0x03
+#define ENABLE_VAUX3_DEV_GRP 0x20
+
+#define TWL4030_MSECURE_GPIO 22
+
+static struct resource sdp3430_smc91x_resources[] = {
+ [0] = {
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 0,
+ .end = 0,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
+ },
+};
+
+static struct platform_device sdp3430_smc91x_device = {
+ .name = "smc91x",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(sdp3430_smc91x_resources),
+ .resource = sdp3430_smc91x_resources,
+};
+
+static int sdp3430_keymap[] = {
+ KEY(0, 0, KEY_LEFT),
+ KEY(0, 1, KEY_RIGHT),
+ KEY(0, 2, KEY_A),
+ KEY(0, 3, KEY_B),
+ KEY(0, 4, KEY_C),
+ KEY(1, 0, KEY_DOWN),
+ KEY(1, 1, KEY_UP),
+ KEY(1, 2, KEY_E),
+ KEY(1, 3, KEY_F),
+ KEY(1, 4, KEY_G),
+ KEY(2, 0, KEY_ENTER),
+ KEY(2, 1, KEY_I),
+ KEY(2, 2, KEY_J),
+ KEY(2, 3, KEY_K),
+ KEY(2, 4, KEY_3),
+ KEY(3, 0, KEY_M),
+ KEY(3, 1, KEY_N),
+ KEY(3, 2, KEY_O),
+ KEY(3, 3, KEY_P),
+ KEY(3, 4, KEY_Q),
+ KEY(4, 0, KEY_R),
+ KEY(4, 1, KEY_4),
+ KEY(4, 2, KEY_T),
+ KEY(4, 3, KEY_U),
+ KEY(4, 4, KEY_D),
+ KEY(5, 0, KEY_V),
+ KEY(5, 1, KEY_W),
+ KEY(5, 2, KEY_L),
+ KEY(5, 3, KEY_S),
+ KEY(5, 4, KEY_H),
+ 0
+};
+
+static struct twl4030_keypad_data sdp3430_kp_data = {
+ .rows = 5,
+ .cols = 6,
+ .keymap = sdp3430_keymap,
+ .keymapsize = ARRAY_SIZE(sdp3430_keymap),
+ .rep = 1,
+};
+
+static int ts_gpio; /* Needed for ads7846_get_pendown_state */
+
+/**
+ * @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 (gpio_request(ts_gpio, "ADS7846 pendown") < 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);
+}
+
+static struct ads7846_platform_data tsc2046_config __initdata = {
+ .get_pendown_state = ads7846_get_pendown_state,
+ .keep_vref_on = 1,
+};
+
+
+static struct omap2_mcspi_device_config tsc2046_mcspi_config = {
+ .turbo_mode = 0,
+ .single_channel = 1, /* 0: slave, 1: master */
+};
+
+static struct spi_board_info sdp3430_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 sdp3430_lcd_device = {
+ .name = "sdp2430_lcd",
+ .id = -1,
+};
+
+static struct regulator_consumer_supply sdp3430_vdac_supply = {
+ .supply = "vdac",
+ .dev = &sdp3430_lcd_device.dev,
+};
+
+static struct regulator_consumer_supply sdp3430_vdvi_supply = {
+ .supply = "vdvi",
+ .dev = &sdp3430_lcd_device.dev,
+};
+
+static struct platform_device *sdp3430_devices[] __initdata = {
+ &sdp3430_smc91x_device,
+ &sdp3430_lcd_device,
+};
+
+static inline void __init sdp3430_init_smc91x(void)
+{
+ int eth_cs;
+ unsigned long cs_mem_base;
+ int eth_gpio = 0;
+
+ eth_cs = SDP3430_SMC91X_CS;
+
+ if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
+ printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
+ return;
+ }
+
+ sdp3430_smc91x_resources[0].start = cs_mem_base + 0x300;
+ sdp3430_smc91x_resources[0].end = cs_mem_base + 0x30f;
+ udelay(100);
+
+ if (omap_rev() > OMAP3430_REV_ES1_0)
+ eth_gpio = SDP3430_ETHR_GPIO_IRQ_SDPV2;
+ else
+ eth_gpio = SDP3430_ETHR_GPIO_IRQ_SDPV1;
+
+ sdp3430_smc91x_resources[1].start = gpio_to_irq(eth_gpio);
+
+ if (gpio_request(eth_gpio, "SMC91x irq") < 0) {
+ printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
+ eth_gpio);
+ return;
+ }
+ gpio_direction_input(eth_gpio);
+}
+
+static void __init omap_3430sdp_init_irq(void)
+{
+ omap2_init_common_hw();
+ omap_init_irq();
+ omap_gpio_init();
+ sdp3430_init_smc91x();
+}
+
+static struct omap_uart_config sdp3430_uart_config __initdata = {
+ .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
+};
+
+static struct omap_lcd_config sdp3430_lcd_config __initdata = {
+ .ctrl_name = "internal",
+};
+
+static struct omap_board_config_kernel sdp3430_config[] __initdata = {
+ { OMAP_TAG_UART, &sdp3430_uart_config },
+ { OMAP_TAG_LCD, &sdp3430_lcd_config },
+};
+
+static int sdp3430_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_bci_platform_data sdp3430_bci_data = {
+ .battery_tmp_tbl = sdp3430_batt_table,
+ .tblsize = ARRAY_SIZE(sdp3430_batt_table),
+};
+
+static struct twl4030_hsmmc_info mmc[] = {
+ {
+ .mmc = 1,
+ /* 8 bits (default) requires S6.3 == ON,
+ * so the SIM card isn't used; else 4 bits.
+ */
+ .wires = 8,
+ .gpio_wp = 4,
+ },
+ {
+ .mmc = 2,
+ .wires = 8,
+ .gpio_wp = 7,
+ },
+ {} /* Terminator */
+};
+
+static struct regulator_consumer_supply sdp3430_vmmc1_supply = {
+ .supply = "vmmc",
+};
+
+static struct regulator_consumer_supply sdp3430_vsim_supply = {
+ .supply = "vmmc_aux",
+};
+
+static struct regulator_consumer_supply sdp3430_vmmc2_supply = {
+ .supply = "vmmc",
+};
+
+static int sdp3430_twl_gpio_setup(struct device *dev,
+ unsigned gpio, unsigned ngpio)
+{
+ /* gpio + 0 is "mmc0_cd" (input/IRQ),
+ * gpio + 1 is "mmc1_cd" (input/IRQ)
+ */
+ mmc[0].gpio_cd = gpio + 0;
+ mmc[1].gpio_cd = gpio + 1;
+ twl4030_mmc_init(mmc);
+
+ /* link regulators to MMC adapters ... we "know" the
+ * regulators will be set up only *after* we return.
+ */
+ sdp3430_vmmc1_supply.dev = mmc[0].dev;
+ sdp3430_vsim_supply.dev = mmc[0].dev;
+ sdp3430_vmmc2_supply.dev = mmc[1].dev;
+
+ /* gpio + 7 is "sub_lcd_en_bkl" (output/PWM1) */
+ gpio_request(gpio + 7, "sub_lcd_en_bkl");
+ gpio_direction_output(gpio + 7, 0);
+
+ /* gpio + 15 is "sub_lcd_nRST" (output) */
+ gpio_request(gpio + 15, "sub_lcd_nRST");
+ gpio_direction_output(gpio + 15, 0);
+
+ return 0;
+}
+
+static struct twl4030_gpio_platform_data sdp3430_gpio_data = {
+ .gpio_base = OMAP_MAX_GPIO_LINES,
+ .irq_base = TWL4030_GPIO_IRQ_BASE,
+ .irq_end = TWL4030_GPIO_IRQ_END,
+ .pulldowns = BIT(2) | BIT(6) | BIT(8) | BIT(13)
+ | BIT(16) | BIT(17),
+ .setup = sdp3430_twl_gpio_setup,
+};
+
+static struct twl4030_usb_data sdp3430_usb_data = {
+ .usb_mode = T2_USB_MODE_ULPI,
+};
+
+static struct twl4030_madc_platform_data sdp3430_madc_data = {
+ .irq_line = 1,
+};
+
+/*
+ * Apply all the fixed voltages since most versions of U-Boot
+ * don't bother with that initialization.
+ */
+
+/* VAUX1 for mainboard (irda and sub-lcd) */
+static struct regulator_init_data sdp3430_vaux1 = {
+ .constraints = {
+ .min_uV = 2800000,
+ .max_uV = 2800000,
+ .apply_uV = true,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL
+ | REGULATOR_MODE_STANDBY,
+ .valid_ops_mask = REGULATOR_CHANGE_MODE
+ | REGULATOR_CHANGE_STATUS,
+ },
+};
+
+/* VAUX2 for camera module */
+static struct regulator_init_data sdp3430_vaux2 = {
+ .constraints = {
+ .min_uV = 2800000,
+ .max_uV = 2800000,
+ .apply_uV = true,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL
+ | REGULATOR_MODE_STANDBY,
+ .valid_ops_mask = REGULATOR_CHANGE_MODE
+ | REGULATOR_CHANGE_STATUS,
+ },
+};
+
+/* VAUX3 for LCD board */
+static struct regulator_init_data sdp3430_vaux3 = {
+ .constraints = {
+ .min_uV = 2800000,
+ .max_uV = 2800000,
+ .apply_uV = true,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL
+ | REGULATOR_MODE_STANDBY,
+ .valid_ops_mask = REGULATOR_CHANGE_MODE
+ | REGULATOR_CHANGE_STATUS,
+ },
+};
+
+/* VAUX4 for OMAP VDD_CSI2 (camera) */
+static struct regulator_init_data sdp3430_vaux4 = {
+ .constraints = {
+ .min_uV = 1800000,
+ .max_uV = 1800000,
+ .apply_uV = true,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL
+ | REGULATOR_MODE_STANDBY,
+ .valid_ops_mask = REGULATOR_CHANGE_MODE
+ | REGULATOR_CHANGE_STATUS,
+ },
+};
+
+/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
+static struct regulator_init_data sdp3430_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 = &sdp3430_vmmc1_supply,
+};
+
+/* VMMC2 for MMC2 card */
+static struct regulator_init_data sdp3430_vmmc2 = {
+ .constraints = {
+ .min_uV = 1850000,
+ .max_uV = 1850000,
+ .apply_uV = true,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL
+ | REGULATOR_MODE_STANDBY,
+ .valid_ops_mask = REGULATOR_CHANGE_MODE
+ | REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = 1,
+ .consumer_supplies = &sdp3430_vmmc2_supply,
+};
+
+/* VSIM for OMAP VDD_MMC1A (i/o for DAT4..DAT7) */
+static struct regulator_init_data sdp3430_vsim = {
+ .constraints = {
+ .min_uV = 1800000,
+ .max_uV = 3000000,
+ .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 = &sdp3430_vsim_supply,
+};
+
+/* VDAC for DSS driving S-Video */
+static struct regulator_init_data sdp3430_vdac = {
+ .constraints = {
+ .min_uV = 1800000,
+ .max_uV = 1800000,
+ .apply_uV = true,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL
+ | REGULATOR_MODE_STANDBY,
+ .valid_ops_mask = REGULATOR_CHANGE_MODE
+ | REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = 1,
+ .consumer_supplies = &sdp3430_vdac_supply,
+};
+
+/* VPLL2 for digital video outputs */
+static struct regulator_init_data sdp3430_vpll2 = {
+ .constraints = {
+ .name = "VDVI",
+ .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 = &sdp3430_vdvi_supply,
+};
+
+static struct twl4030_platform_data sdp3430_twldata = {
+ .irq_base = TWL4030_IRQ_BASE,
+ .irq_end = TWL4030_IRQ_END,
+
+ /* platform_data for children goes here */
+ .bci = &sdp3430_bci_data,
+ .gpio = &sdp3430_gpio_data,
+ .madc = &sdp3430_madc_data,
+ .keypad = &sdp3430_kp_data,
+ .usb = &sdp3430_usb_data,
+
+ .vaux1 = &sdp3430_vaux1,
+ .vaux2 = &sdp3430_vaux2,
+ .vaux3 = &sdp3430_vaux3,
+ .vaux4 = &sdp3430_vaux4,
+ .vmmc1 = &sdp3430_vmmc1,
+ .vmmc2 = &sdp3430_vmmc2,
+ .vsim = &sdp3430_vsim,
+ .vdac = &sdp3430_vdac,
+ .vpll2 = &sdp3430_vpll2,
+};
+
+static struct i2c_board_info __initdata sdp3430_i2c_boardinfo[] = {
+ {
+ I2C_BOARD_INFO("twl4030", 0x48),
+ .flags = I2C_CLIENT_WAKE,
+ .irq = INT_34XX_SYS_NIRQ,
+ .platform_data = &sdp3430_twldata,
+ },
+};
+
+static int __init omap3430_i2c_init(void)
+{
+ /* i2c1 for PMIC only */
+ omap_register_i2c_bus(1, 2600, sdp3430_i2c_boardinfo,
+ ARRAY_SIZE(sdp3430_i2c_boardinfo));
+ /* i2c2 on camera connector (for sensor control) and optional isp1301 */
+ omap_register_i2c_bus(2, 400, NULL, 0);
+ /* i2c3 on display connector (for DVI, tfp410) */
+ omap_register_i2c_bus(3, 400, NULL, 0);
+ return 0;
+}
+
+static void __init omap_3430sdp_init(void)
+{
+ omap3430_i2c_init();
+ platform_add_devices(sdp3430_devices, ARRAY_SIZE(sdp3430_devices));
+ omap_board_config = sdp3430_config;
+ omap_board_config_size = ARRAY_SIZE(sdp3430_config);
+ if (omap_rev() > OMAP3430_REV_ES1_0)
+ ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV2;
+ else
+ ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV1;
+ sdp3430_spi_board_info[0].irq = gpio_to_irq(ts_gpio);
+ spi_register_board_info(sdp3430_spi_board_info,
+ ARRAY_SIZE(sdp3430_spi_board_info));
+ ads7846_dev_init();
+ omap_serial_init();
+ usb_musb_init();
+}
+
+static void __init omap_3430sdp_map_io(void)
+{
+ omap2_set_globals_343x();
+ omap2_map_common_io();
+}
+
+MACHINE_START(OMAP_3430SDP, "OMAP3430 3430SDP board")
+ /* Maintainer: Syed Khasim - Texas Instruments Inc */
+ .phys_io = 0x48000000,
+ .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
+ .boot_params = 0x80000100,
+ .map_io = omap_3430sdp_map_io,
+ .init_irq = omap_3430sdp_init_irq,
+ .init_machine = omap_3430sdp_init,
+ .timer = &omap_timer,
+MACHINE_END