diff options
| author | Linus Torvalds <[email protected]> | 2009-03-28 14:03:14 -0700 | 
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2009-03-28 14:03:14 -0700 | 
| commit | 0fe41b8982001cd14ee2c77cd776735a5024e98b (patch) | |
| tree | 83e65d595c413d55259ea14fb97748ce5efe5707 /arch/arm/mach-omap2/board-rx51-peripherals.c | |
| parent | eedf2c5296a8dfaaf9aec1a938c1d3bd73159a30 (diff) | |
| parent | 9759d22c8348343b0da4e25d6150c41712686c14 (diff) | |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (422 commits)
  [ARM] 5435/1: fix compile warning in sanity_check_meminfo()
  [ARM] 5434/1: ARM: OMAP: Fix mailbox compile for 24xx
  [ARM] pxa: fix the bad assumption that PCMCIA sockets always start with 0
  [ARM] pxa: fix Colibri PXA300 and PXA320 LCD backlight pins
  imxfb: Fix TFT mode
  i.MX21/27: remove ifdef CONFIG_FB_IMX
  imxfb: add clock support
  mxc: add arch_reset() function
  clkdev: add possibility to get a clock based on the device name
  i.MX1: remove fb support from mach-imx
  [ARM] pxa: build arch/arm/plat-pxa/mfp.c only when PXA3xx or ARCH_MMP defined
  Gemini: Add support for Teltonika RUT100
  Gemini: gpiolib based GPIO support v2
  MAINTAINERS: add myself as Gemini architecture maintainer
  ARM: Add Gemini architecture v3
  [ARM] OMAP: Fix compile for omap2_init_common_hw()
  MAINTAINERS: Add myself as Faraday ARM core variant maintainer
  ARM: Add support for FA526 v2
  [ARM] acorn,ebsa110,footbridge,integrator,sa1100: Convert asm/io.h to linux/io.h
  [ARM] collie: fix two minor formatting nits
  ...
Diffstat (limited to 'arch/arm/mach-omap2/board-rx51-peripherals.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-rx51-peripherals.c | 419 | 
1 files changed, 419 insertions, 0 deletions
| diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c new file mode 100644 index 000000000000..a7381729645c --- /dev/null +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -0,0 +1,419 @@ +/* + * linux/arch/arm/mach-omap2/board-rx51-flash.c + * + * Copyright (C) 2008-2009 Nokia + * + * 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/input.h> +#include <linux/spi/spi.h> +#include <linux/i2c.h> +#include <linux/i2c/twl4030.h> +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/regulator/machine.h> +#include <linux/gpio.h> + +#include <mach/mcspi.h> +#include <mach/mux.h> +#include <mach/board.h> +#include <mach/common.h> +#include <mach/dma.h> +#include <mach/gpmc.h> +#include <mach/keypad.h> + +#include "mmc-twl4030.h" + + +#define SMC91X_CS			1 +#define SMC91X_GPIO_IRQ			54 +#define SMC91X_GPIO_RESET		164 +#define SMC91X_GPIO_PWRDWN		86 + +static struct resource rx51_smc91x_resources[] = { +	[0] = { +		.flags		= IORESOURCE_MEM, +	}, +	[1] = { +		.flags		= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, +	}, +}; + +static struct platform_device rx51_smc91x_device = { +	.name		= "smc91x", +	.id		= -1, +	.num_resources	= ARRAY_SIZE(rx51_smc91x_resources), +	.resource	= rx51_smc91x_resources, +}; + +static int rx51_keymap[] = { +	KEY(0, 0, KEY_Q), +	KEY(0, 1, KEY_W), +	KEY(0, 2, KEY_E), +	KEY(0, 3, KEY_R), +	KEY(0, 4, KEY_T), +	KEY(0, 5, KEY_Y), +	KEY(0, 6, KEY_U), +	KEY(0, 7, KEY_I), +	KEY(1, 0, KEY_O), +	KEY(1, 1, KEY_D), +	KEY(1, 2, KEY_DOT), +	KEY(1, 3, KEY_V), +	KEY(1, 4, KEY_DOWN), +	KEY(2, 0, KEY_P), +	KEY(2, 1, KEY_F), +	KEY(2, 2, KEY_UP), +	KEY(2, 3, KEY_B), +	KEY(2, 4, KEY_RIGHT), +	KEY(3, 0, KEY_COMMA), +	KEY(3, 1, KEY_G), +	KEY(3, 2, KEY_ENTER), +	KEY(3, 3, KEY_N), +	KEY(4, 0, KEY_BACKSPACE), +	KEY(4, 1, KEY_H), +	KEY(4, 3, KEY_M), +	KEY(4, 4, KEY_LEFTCTRL), +	KEY(5, 1, KEY_J), +	KEY(5, 2, KEY_Z), +	KEY(5, 3, KEY_SPACE), +	KEY(5, 4, KEY_LEFTSHIFT), +	KEY(6, 0, KEY_A), +	KEY(6, 1, KEY_K), +	KEY(6, 2, KEY_X), +	KEY(6, 3, KEY_SPACE), +	KEY(6, 4, KEY_FN), +	KEY(7, 0, KEY_S), +	KEY(7, 1, KEY_L), +	KEY(7, 2, KEY_C), +	KEY(7, 3, KEY_LEFT), +	KEY(0xff, 0, KEY_F6), +	KEY(0xff, 1, KEY_F7), +	KEY(0xff, 2, KEY_F8), +	KEY(0xff, 4, KEY_F9), +	KEY(0xff, 5, KEY_F10), +}; + +static struct twl4030_keypad_data rx51_kp_data = { +	.rows		= 8, +	.cols		= 8, +	.keymap		= rx51_keymap, +	.keymapsize	= ARRAY_SIZE(rx51_keymap), +	.rep		= 1, +}; + +static struct platform_device *rx51_peripherals_devices[] = { +	&rx51_smc91x_device, +}; + +/* + * Timings are taken from smsc-lan91c96-ms.pdf + */ +static int smc91x_init_gpmc(int cs) +{ +	struct gpmc_timings t; +	const int t2_r = 45;		/* t2 in Figure 12.10 */ +	const int t2_w = 30;		/* t2 in Figure 12.11 */ +	const int t3 = 15;		/* t3 in Figure 12.10 */ +	const int t5_r = 0;		/* t5 in Figure 12.10 */ +	const int t6_r = 45;		/* t6 in Figure 12.10 */ +	const int t6_w = 0;		/* t6 in Figure 12.11 */ +	const int t7_w = 15;		/* t7 in Figure 12.11 */ +	const int t15 = 12;		/* t15 in Figure 12.2 */ +	const int t20 = 185;		/* t20 in Figure 12.2 */ + +	memset(&t, 0, sizeof(t)); + +	t.cs_on = t15; +	t.cs_rd_off = t3 + t2_r + t5_r;	/* Figure 12.10 */ +	t.cs_wr_off = t3 + t2_w + t6_w;	/* Figure 12.11 */ +	t.adv_on = t3;			/* Figure 12.10 */ +	t.adv_rd_off = t3 + t2_r;	/* Figure 12.10 */ +	t.adv_wr_off = t3 + t2_w;	/* Figure 12.11 */ +	t.oe_off = t3 + t2_r + t5_r;	/* Figure 12.10 */ +	t.oe_on = t.oe_off - t6_r;	/* Figure 12.10 */ +	t.we_off = t3 + t2_w + t6_w;	/* Figure 12.11 */ +	t.we_on = t.we_off - t7_w;	/* Figure 12.11 */ +	t.rd_cycle = t20;		/* Figure 12.2 */ +	t.wr_cycle = t20;		/* Figure 12.4 */ +	t.access = t3 + t2_r + t5_r;	/* Figure 12.10 */ +	t.wr_access = t3 + t2_w + t6_w;	/* Figure 12.11 */ + +	gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, GPMC_CONFIG1_DEVICESIZE_16); + +	return gpmc_cs_set_timings(cs, &t); +} + +static void __init rx51_init_smc91x(void) +{ +	unsigned long cs_mem_base; +	int ret; + +	omap_cfg_reg(U8_34XX_GPIO54_DOWN); +	omap_cfg_reg(G25_34XX_GPIO86_OUT); +	omap_cfg_reg(H19_34XX_GPIO164_OUT); + +	if (gpmc_cs_request(SMC91X_CS, SZ_16M, &cs_mem_base) < 0) { +		printk(KERN_ERR "Failed to request GPMC mem for smc91x\n"); +		return; +	} + +	rx51_smc91x_resources[0].start = cs_mem_base + 0x300; +	rx51_smc91x_resources[0].end = cs_mem_base + 0x30f; + +	smc91x_init_gpmc(SMC91X_CS); + +	if (gpio_request(SMC91X_GPIO_IRQ, "SMC91X irq") < 0) +		goto free1; + +	gpio_direction_input(SMC91X_GPIO_IRQ); +	rx51_smc91x_resources[1].start = gpio_to_irq(SMC91X_GPIO_IRQ); + +	ret = gpio_request(SMC91X_GPIO_PWRDWN, "SMC91X powerdown"); +	if (ret) +		goto free2; +	gpio_direction_output(SMC91X_GPIO_PWRDWN, 0); + +	ret = gpio_request(SMC91X_GPIO_RESET, "SMC91X reset"); +	if (ret) +		goto free3; +	gpio_direction_output(SMC91X_GPIO_RESET, 0); +	gpio_set_value(SMC91X_GPIO_RESET, 1); +	msleep(100); +	gpio_set_value(SMC91X_GPIO_RESET, 0); + +	return; + +free3: +	gpio_free(SMC91X_GPIO_PWRDWN); +free2: +	gpio_free(SMC91X_GPIO_IRQ); +free1: +	gpmc_cs_free(SMC91X_CS); + +	printk(KERN_ERR "Could not initialize smc91x\n"); +} + +static struct twl4030_madc_platform_data rx51_madc_data = { +	.irq_line		= 1, +}; + +static struct twl4030_hsmmc_info mmc[] = { +	{ +		.name		= "external", +		.mmc		= 1, +		.wires		= 4, +		.cover_only	= true, +		.gpio_cd	= 160, +		.gpio_wp	= -EINVAL, +	}, +	{ +		.name		= "internal", +		.mmc		= 2, +		.wires		= 8, +		.gpio_cd	= -EINVAL, +		.gpio_wp	= -EINVAL, +	}, +	{}	/* Terminator */ +}; + +static struct regulator_consumer_supply rx51_vmmc1_supply = { +	.supply			= "vmmc", +}; + +static struct regulator_consumer_supply rx51_vmmc2_supply = { +	.supply			= "vmmc", +}; + +static struct regulator_consumer_supply rx51_vsim_supply = { +	.supply			= "vmmc_aux", +}; + +static struct regulator_init_data rx51_vaux1 = { +	.constraints = { +		.name			= "V28", +		.min_uV			= 2800000, +		.max_uV			= 2800000, +		.valid_modes_mask	= REGULATOR_MODE_NORMAL +					| REGULATOR_MODE_STANDBY, +		.valid_ops_mask		= REGULATOR_CHANGE_MODE +					| REGULATOR_CHANGE_STATUS, +	}, +}; + +static struct regulator_init_data rx51_vaux2 = { +	.constraints = { +		.name			= "VCSI", +		.min_uV			= 1800000, +		.max_uV			= 1800000, +		.valid_modes_mask	= REGULATOR_MODE_NORMAL +					| REGULATOR_MODE_STANDBY, +		.valid_ops_mask		= REGULATOR_CHANGE_MODE +					| REGULATOR_CHANGE_STATUS, +	}, +}; + +/* VAUX3 - adds more power to VIO_18 rail */ +static struct regulator_init_data rx51_vaux3 = { +	.constraints = { +		.name			= "VCAM_DIG_18", +		.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, +	}, +}; + +static struct regulator_init_data rx51_vaux4 = { +	.constraints = { +		.name			= "VCAM_ANA_28", +		.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, +	}, +}; + +static struct regulator_init_data rx51_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	= &rx51_vmmc1_supply, +}; + +static struct regulator_init_data rx51_vmmc2 = { +	.constraints = { +		.name			= "VMMC2_30", +		.min_uV			= 1850000, +		.max_uV			= 3150000, +		.apply_uV		= true, +		.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	= &rx51_vmmc2_supply, +}; + +static struct regulator_init_data rx51_vsim = { +	.constraints = { +		.name			= "VMMC2_IO_18", +		.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	= &rx51_vsim_supply, +}; + +static struct regulator_init_data rx51_vdac = { +	.constraints = { +		.min_uV			= 1800000, +		.max_uV			= 1800000, +		.valid_modes_mask	= REGULATOR_MODE_NORMAL +					| REGULATOR_MODE_STANDBY, +		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE +					| REGULATOR_CHANGE_MODE +					| REGULATOR_CHANGE_STATUS, +	}, +}; + +static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n) +{ +	/* FIXME this gpio setup is just a placeholder for now */ +	gpio_request(gpio + 6, "backlight_pwm"); +	gpio_direction_output(gpio + 6, 0); +	gpio_request(gpio + 7, "speaker_en"); +	gpio_direction_output(gpio + 7, 1); + +	/* set up MMC adapters, linking their regulators to them */ +	twl4030_mmc_init(mmc); +	rx51_vmmc1_supply.dev = mmc[0].dev; +	rx51_vmmc2_supply.dev = mmc[1].dev; +	rx51_vsim_supply.dev = mmc[1].dev; + +	return 0; +} + +static struct twl4030_gpio_platform_data rx51_gpio_data = { +	.gpio_base		= OMAP_MAX_GPIO_LINES, +	.irq_base		= TWL4030_GPIO_IRQ_BASE, +	.irq_end		= TWL4030_GPIO_IRQ_END, +	.pulldowns		= BIT(0) | BIT(1) | BIT(2) | BIT(3) +				| BIT(4) | BIT(5) +				| BIT(8) | BIT(9) | BIT(10) | BIT(11) +				| BIT(12) | BIT(13) | BIT(14) | BIT(15) +				| BIT(16) | BIT(17) , +	.setup			= rx51_twlgpio_setup, +}; + +static struct twl4030_platform_data rx51_twldata = { +	.irq_base		= TWL4030_IRQ_BASE, +	.irq_end		= TWL4030_IRQ_END, + +	/* platform_data for children goes here */ +	.gpio			= &rx51_gpio_data, +	.keypad			= &rx51_kp_data, +	.madc			= &rx51_madc_data, + +	.vaux1			= &rx51_vaux1, +	.vaux2			= &rx51_vaux2, +	.vaux3			= &rx51_vaux3, +	.vaux4			= &rx51_vaux4, +	.vmmc1			= &rx51_vmmc1, +	.vmmc2			= &rx51_vmmc2, +	.vsim			= &rx51_vsim, +	.vdac			= &rx51_vdac, +}; + +static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = { +	{ +		I2C_BOARD_INFO("twl5030", 0x48), +		.flags = I2C_CLIENT_WAKE, +		.irq = INT_34XX_SYS_NIRQ, +		.platform_data = &rx51_twldata, +	}, +}; + +static int __init rx51_i2c_init(void) +{ +	omap_register_i2c_bus(1, 2600, rx51_peripherals_i2c_board_info_1, +			ARRAY_SIZE(rx51_peripherals_i2c_board_info_1)); +	omap_register_i2c_bus(2, 100, NULL, 0); +	omap_register_i2c_bus(3, 400, NULL, 0); +	return 0; +} + + +void __init rx51_peripherals_init(void) +{ +	platform_add_devices(rx51_peripherals_devices, +				ARRAY_SIZE(rx51_peripherals_devices)); +	rx51_i2c_init(); +	rx51_init_smc91x(); +} + |