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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-25 13:46:56 -0700 | 
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-25 13:46:56 -0700 | 
| commit | 7b6181e06841f5ad15c4ff708b967b4db65a64de (patch) | |
| tree | bdfcf5b74b692f76581156e452d268b64c795200 /arch/arm/mach-omap2/board-omap3logic.c | |
| parent | 72e58063d63c5f0a7bf65312f1e3a5ed9bb5c2ff (diff) | |
| parent | bc487fb341af05120bccb9f59ce76302391dcc77 (diff) | |
| download | olio-linux-3.10-7b6181e06841f5ad15c4ff708b967b4db65a64de.tar.xz olio-linux-3.10-7b6181e06841f5ad15c4ff708b967b4db65a64de.zip  | |
Merge branch 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (163 commits)
  omap: complete removal of machine_desc.io_pg_offst and .phys_io
  omap: UART: fix wakeup registers for OMAP24xx UART2
  omap: Fix spotty MMC voltages
  ASoC: OMAP4: MCPDM: Remove unnecessary include of plat/control.h
  serial: omap-serial: fix signess error
  OMAP3: DMA: Errata i541: sDMA FIFO draining does not finish
  omap: dma: Fix buffering disable bit setting for omap24xx
  omap: serial: Fix the boot-up crash/reboot without CONFIG_PM
  OMAP3: PM: fix scratchpad memory accesses for off-mode
  omap4: pandaboard: enable the ehci port on pandaboard
  omap4: pandaboard: Fix the init if CONFIG_MMC_OMAP_HS is not set
  omap4: pandaboard: remove unused hsmmc definition
  OMAP: McBSP: Remove null omap44xx ops comment
  OMAP: McBSP: Swap CLKS source definition
  OMAP: McBSP: Fix CLKR and FSR signal muxing
  OMAP2+: clock: reduce the amount of standard debugging while disabling unused clocks
  OMAP: control: move plat-omap/control.h to mach-omap2/control.h
  OMAP: split plat-omap/common.c
  OMAP: McBSP: implement functional clock switching via clock framework
  OMAP: McBSP: implement McBSP CLKR and FSR signal muxing via mach-omap2/mcbsp.c
  ...
Fixed up trivial conflicts in arch/arm/mach-omap2/
{board-zoom-peripherals.c,devices.c} as per Tony
Diffstat (limited to 'arch/arm/mach-omap2/board-omap3logic.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-omap3logic.c | 241 | 
1 files changed, 241 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-omap3logic.c b/arch/arm/mach-omap2/board-omap3logic.c new file mode 100644 index 00000000000..5f7d2c1e7ef --- /dev/null +++ b/arch/arm/mach-omap2/board-omap3logic.c @@ -0,0 +1,241 @@ +/* + * linux/arch/arm/mach-omap2/board-omap3logic.c + * + * Copyright (C) 2010 Li-Pro.Net + * Stephan Linz <linz@li-pro.net> + * + * Copyright (C) 2010 Logic Product Development, Inc. + * Peter Barada <peter.barada@logicpd.com> + * + * Modified from Beagle, EVM, and RX51 + * + * 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/err.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/gpio.h> + +#include <linux/regulator/machine.h> + +#include <linux/i2c/twl.h> +#include <linux/mmc/host.h> + +#include <mach/hardware.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include "mux.h" +#include "hsmmc.h" +#include "timer-gp.h" +#include "control.h" + +#include <plat/mux.h> +#include <plat/board.h> +#include <plat/common.h> +#include <plat/gpmc-smsc911x.h> +#include <plat/gpmc.h> +#include <plat/sdrc.h> + +#define OMAP3LOGIC_SMSC911X_CS			1 + +#define OMAP3530_LV_SOM_MMC_GPIO_CD		110 +#define OMAP3530_LV_SOM_MMC_GPIO_WP		126 +#define OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ	152 + +#define OMAP3_TORPEDO_MMC_GPIO_CD		127 +#define OMAP3_TORPEDO_SMSC911X_GPIO_IRQ		129 + +static struct regulator_consumer_supply omap3logic_vmmc1_supply = { +	.supply			= "vmmc", +}; + +/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ +static struct regulator_init_data omap3logic_vmmc1 = { +	.constraints = { +		.name			= "VMMC1", +		.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      = &omap3logic_vmmc1_supply, +}; + +static struct twl4030_gpio_platform_data omap3logic_gpio_data = { +	.gpio_base	= OMAP_MAX_GPIO_LINES, +	.irq_base	= TWL4030_GPIO_IRQ_BASE, +	.irq_end	= TWL4030_GPIO_IRQ_END, +	.use_leds	= true, +	.pullups	= BIT(1), +	.pulldowns	= BIT(2)  | BIT(6)  | BIT(7)  | BIT(8) +			| BIT(13) | BIT(15) | BIT(16) | BIT(17), +}; + +static struct twl4030_platform_data omap3logic_twldata = { +	.irq_base	= TWL4030_IRQ_BASE, +	.irq_end	= TWL4030_IRQ_END, + +	/* platform_data for children goes here */ +	.gpio		= &omap3logic_gpio_data, +	.vmmc1		= &omap3logic_vmmc1, +}; + +static struct i2c_board_info __initdata omap3logic_i2c_boardinfo[] = { +	{ +		I2C_BOARD_INFO("twl4030", 0x48), +		.flags = I2C_CLIENT_WAKE, +		.irq = INT_34XX_SYS_NIRQ, +		.platform_data = &omap3logic_twldata, +	}, +}; + +static int __init omap3logic_i2c_init(void) +{ +	omap_register_i2c_bus(1, 2600, omap3logic_i2c_boardinfo, +				ARRAY_SIZE(omap3logic_i2c_boardinfo)); +	return 0; +} + +static struct omap2_hsmmc_info __initdata board_mmc_info[] = { +	{ +		.name		= "external", +		.mmc		= 1, +		.caps		= MMC_CAP_4_BIT_DATA, +		.gpio_cd	= -EINVAL, +		.gpio_wp	= -EINVAL, +	}, +	{}      /* Terminator */ +}; + +static void __init board_mmc_init(void) +{ +	if (machine_is_omap3530_lv_som()) { +		/* OMAP3530 LV SOM board */ +		board_mmc_info[0].gpio_cd = OMAP3530_LV_SOM_MMC_GPIO_CD; +		board_mmc_info[0].gpio_wp = OMAP3530_LV_SOM_MMC_GPIO_WP; +		omap_mux_init_signal("gpio_110", OMAP_PIN_OUTPUT); +		omap_mux_init_signal("gpio_126", OMAP_PIN_OUTPUT); +	} else if (machine_is_omap3_torpedo()) { +		/* OMAP3 Torpedo board */ +		board_mmc_info[0].gpio_cd = OMAP3_TORPEDO_MMC_GPIO_CD; +		omap_mux_init_signal("gpio_127", OMAP_PIN_OUTPUT); +	} else { +		/* unsupported board */ +		printk(KERN_ERR "%s(): unknown machine type\n", __func__); +		return; +	} + +	omap2_hsmmc_init(board_mmc_info); +	/* link regulators to MMC adapters */ +	omap3logic_vmmc1_supply.dev = board_mmc_info[0].dev; +} + +static struct omap_smsc911x_platform_data __initdata board_smsc911x_data = { +	.cs             = OMAP3LOGIC_SMSC911X_CS, +	.gpio_irq       = -EINVAL, +	.gpio_reset     = -EINVAL, +	.flags          = IORESOURCE_IRQ_LOWLEVEL, +}; + +/* TODO/FIXME (comment by Peter Barada, LogicPD): + * Fix the PBIAS voltage for Torpedo MMC1 pins that + * are used for other needs (IRQs, etc).            */ +static void omap3torpedo_fix_pbias_voltage(void) +{ +	u16 control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE; +	u32 reg; + +	if (machine_is_omap3_torpedo()) +	{ +		/* Set the bias for the pin */ +		reg = omap_ctrl_readl(control_pbias_offset); + +		reg &= ~OMAP343X_PBIASLITEPWRDNZ1; +		omap_ctrl_writel(reg, control_pbias_offset); + +		/* 100ms delay required for PBIAS configuration */ +		msleep(100); + +		reg |= OMAP343X_PBIASLITEVMODE1; +		reg |= OMAP343X_PBIASLITEPWRDNZ1; +		omap_ctrl_writel(reg | 0x300, control_pbias_offset); +	} +} + +static inline void __init board_smsc911x_init(void) +{ +	if (machine_is_omap3530_lv_som()) { +		/* OMAP3530 LV SOM board */ +		board_smsc911x_data.gpio_irq = +					OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ; +		omap_mux_init_signal("gpio_152", OMAP_PIN_INPUT); +	} else if (machine_is_omap3_torpedo()) { +		/* OMAP3 Torpedo board */ +		board_smsc911x_data.gpio_irq = OMAP3_TORPEDO_SMSC911X_GPIO_IRQ; +		omap_mux_init_signal("gpio_129", OMAP_PIN_INPUT); +	} else { +		/* unsupported board */ +		printk(KERN_ERR "%s(): unknown machine type\n", __func__); +		return; +	} + +	gpmc_smsc911x_init(&board_smsc911x_data); +} + +static void __init omap3logic_init_irq(void) +{ +	omap2_init_common_hw(NULL, NULL); +	omap_init_irq(); +	omap_gpio_init(); +} + +#ifdef CONFIG_OMAP_MUX +static struct omap_board_mux board_mux[] __initdata = { +	{ .reg_offset = OMAP_MUX_TERMINATOR }, +}; +#else +#define board_mux       NULL +#endif + +static void __init omap3logic_init(void) +{ +	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); +	omap3torpedo_fix_pbias_voltage(); +	omap3logic_i2c_init(); +	omap_serial_init(); +	board_mmc_init(); +	board_smsc911x_init(); + +	/* Ensure SDRC pins are mux'd for self-refresh */ +	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); +	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); +} + +MACHINE_START(OMAP3_TORPEDO, "Logic OMAP3 Torpedo board") +	.boot_params	= 0x80000100, +	.map_io		= omap3_map_io, +	.init_irq	= omap3logic_init_irq, +	.init_machine	= omap3logic_init, +	.timer		= &omap_timer, +MACHINE_END + +MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board") +	.boot_params	= 0x80000100, +	.map_io		= omap3_map_io, +	.init_irq	= omap3logic_init_irq, +	.init_machine	= omap3logic_init, +	.timer		= &omap_timer, +MACHINE_END  |