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authorLauri Leukkunen <lauri.leukkunen@nokia.com>2009-03-23 18:38:17 -0700
committerTony Lindgren <tony@atomide.com>2009-03-23 20:52:48 -0700
commitffe7f95bb1a4d1e9ca5d252445dc38476e1a208e (patch)
tree4375c6805fafea356d2dc31dfc4dbeee2c3500b1 /arch/arm/mach-omap2/board-rx51-peripherals.c
parent6fdc29e262f9a776a77f50ca9157f7c0dcfbbbc8 (diff)
ARM OMAP3: Initial support for Nokia RX-51, v3
Adds board files and related headers for Nokia RX-51 Internet Tablet. This patch has been updated with some clean-up patches posted earlier to linux-omap list. Signed-off-by: Lauri Leukkunen <lauri.leukkunen@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/board-rx51-peripherals.c')
-rw-r--r--arch/arm/mach-omap2/board-rx51-peripherals.c419
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 00000000000..a7381729645
--- /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();
+}
+