420 lines
10 KiB
C
420 lines
10 KiB
C
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/*
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* linux/arch/arm/mach-omap2/board-rx51-flash.c
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*
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* Copyright (C) 2008-2009 Nokia
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/input.h>
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#include <linux/spi/spi.h>
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#include <linux/i2c.h>
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#include <linux/i2c/twl4030.h>
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#include <linux/clk.h>
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#include <linux/delay.h>
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#include <linux/regulator/machine.h>
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#include <linux/gpio.h>
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#include <mach/mcspi.h>
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#include <mach/mux.h>
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#include <mach/board.h>
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#include <mach/common.h>
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#include <mach/dma.h>
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#include <mach/gpmc.h>
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#include <mach/keypad.h>
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#include "mmc-twl4030.h"
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#define SMC91X_CS 1
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#define SMC91X_GPIO_IRQ 54
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#define SMC91X_GPIO_RESET 164
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#define SMC91X_GPIO_PWRDWN 86
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static struct resource rx51_smc91x_resources[] = {
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[0] = {
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
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},
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};
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static struct platform_device rx51_smc91x_device = {
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.name = "smc91x",
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.id = -1,
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.num_resources = ARRAY_SIZE(rx51_smc91x_resources),
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.resource = rx51_smc91x_resources,
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};
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static int rx51_keymap[] = {
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KEY(0, 0, KEY_Q),
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KEY(0, 1, KEY_W),
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KEY(0, 2, KEY_E),
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KEY(0, 3, KEY_R),
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KEY(0, 4, KEY_T),
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KEY(0, 5, KEY_Y),
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KEY(0, 6, KEY_U),
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KEY(0, 7, KEY_I),
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KEY(1, 0, KEY_O),
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KEY(1, 1, KEY_D),
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KEY(1, 2, KEY_DOT),
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KEY(1, 3, KEY_V),
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KEY(1, 4, KEY_DOWN),
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KEY(2, 0, KEY_P),
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KEY(2, 1, KEY_F),
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KEY(2, 2, KEY_UP),
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KEY(2, 3, KEY_B),
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KEY(2, 4, KEY_RIGHT),
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KEY(3, 0, KEY_COMMA),
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KEY(3, 1, KEY_G),
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KEY(3, 2, KEY_ENTER),
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KEY(3, 3, KEY_N),
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KEY(4, 0, KEY_BACKSPACE),
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KEY(4, 1, KEY_H),
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KEY(4, 3, KEY_M),
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KEY(4, 4, KEY_LEFTCTRL),
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KEY(5, 1, KEY_J),
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KEY(5, 2, KEY_Z),
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KEY(5, 3, KEY_SPACE),
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KEY(5, 4, KEY_LEFTSHIFT),
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KEY(6, 0, KEY_A),
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KEY(6, 1, KEY_K),
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KEY(6, 2, KEY_X),
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KEY(6, 3, KEY_SPACE),
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KEY(6, 4, KEY_FN),
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KEY(7, 0, KEY_S),
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KEY(7, 1, KEY_L),
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KEY(7, 2, KEY_C),
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KEY(7, 3, KEY_LEFT),
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KEY(0xff, 0, KEY_F6),
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KEY(0xff, 1, KEY_F7),
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KEY(0xff, 2, KEY_F8),
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KEY(0xff, 4, KEY_F9),
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KEY(0xff, 5, KEY_F10),
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};
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static struct twl4030_keypad_data rx51_kp_data = {
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.rows = 8,
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.cols = 8,
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.keymap = rx51_keymap,
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.keymapsize = ARRAY_SIZE(rx51_keymap),
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.rep = 1,
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};
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static struct platform_device *rx51_peripherals_devices[] = {
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&rx51_smc91x_device,
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};
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/*
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* Timings are taken from smsc-lan91c96-ms.pdf
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*/
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static int smc91x_init_gpmc(int cs)
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{
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struct gpmc_timings t;
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const int t2_r = 45; /* t2 in Figure 12.10 */
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const int t2_w = 30; /* t2 in Figure 12.11 */
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const int t3 = 15; /* t3 in Figure 12.10 */
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const int t5_r = 0; /* t5 in Figure 12.10 */
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const int t6_r = 45; /* t6 in Figure 12.10 */
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const int t6_w = 0; /* t6 in Figure 12.11 */
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const int t7_w = 15; /* t7 in Figure 12.11 */
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const int t15 = 12; /* t15 in Figure 12.2 */
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const int t20 = 185; /* t20 in Figure 12.2 */
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memset(&t, 0, sizeof(t));
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t.cs_on = t15;
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t.cs_rd_off = t3 + t2_r + t5_r; /* Figure 12.10 */
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t.cs_wr_off = t3 + t2_w + t6_w; /* Figure 12.11 */
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t.adv_on = t3; /* Figure 12.10 */
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t.adv_rd_off = t3 + t2_r; /* Figure 12.10 */
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t.adv_wr_off = t3 + t2_w; /* Figure 12.11 */
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t.oe_off = t3 + t2_r + t5_r; /* Figure 12.10 */
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t.oe_on = t.oe_off - t6_r; /* Figure 12.10 */
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t.we_off = t3 + t2_w + t6_w; /* Figure 12.11 */
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t.we_on = t.we_off - t7_w; /* Figure 12.11 */
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t.rd_cycle = t20; /* Figure 12.2 */
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t.wr_cycle = t20; /* Figure 12.4 */
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t.access = t3 + t2_r + t5_r; /* Figure 12.10 */
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t.wr_access = t3 + t2_w + t6_w; /* Figure 12.11 */
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gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, GPMC_CONFIG1_DEVICESIZE_16);
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return gpmc_cs_set_timings(cs, &t);
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}
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static void __init rx51_init_smc91x(void)
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{
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unsigned long cs_mem_base;
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int ret;
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omap_cfg_reg(U8_34XX_GPIO54_DOWN);
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omap_cfg_reg(G25_34XX_GPIO86_OUT);
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omap_cfg_reg(H19_34XX_GPIO164_OUT);
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if (gpmc_cs_request(SMC91X_CS, SZ_16M, &cs_mem_base) < 0) {
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printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
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return;
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}
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rx51_smc91x_resources[0].start = cs_mem_base + 0x300;
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rx51_smc91x_resources[0].end = cs_mem_base + 0x30f;
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smc91x_init_gpmc(SMC91X_CS);
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if (gpio_request(SMC91X_GPIO_IRQ, "SMC91X irq") < 0)
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goto free1;
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gpio_direction_input(SMC91X_GPIO_IRQ);
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rx51_smc91x_resources[1].start = gpio_to_irq(SMC91X_GPIO_IRQ);
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ret = gpio_request(SMC91X_GPIO_PWRDWN, "SMC91X powerdown");
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if (ret)
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goto free2;
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gpio_direction_output(SMC91X_GPIO_PWRDWN, 0);
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ret = gpio_request(SMC91X_GPIO_RESET, "SMC91X reset");
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if (ret)
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goto free3;
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gpio_direction_output(SMC91X_GPIO_RESET, 0);
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gpio_set_value(SMC91X_GPIO_RESET, 1);
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msleep(100);
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gpio_set_value(SMC91X_GPIO_RESET, 0);
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return;
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free3:
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gpio_free(SMC91X_GPIO_PWRDWN);
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free2:
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gpio_free(SMC91X_GPIO_IRQ);
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free1:
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gpmc_cs_free(SMC91X_CS);
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printk(KERN_ERR "Could not initialize smc91x\n");
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}
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static struct twl4030_madc_platform_data rx51_madc_data = {
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.irq_line = 1,
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};
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static struct twl4030_hsmmc_info mmc[] = {
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{
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.name = "external",
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.mmc = 1,
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.wires = 4,
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.cover_only = true,
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.gpio_cd = 160,
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.gpio_wp = -EINVAL,
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},
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{
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.name = "internal",
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.mmc = 2,
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.wires = 8,
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.gpio_cd = -EINVAL,
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.gpio_wp = -EINVAL,
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},
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{} /* Terminator */
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};
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static struct regulator_consumer_supply rx51_vmmc1_supply = {
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.supply = "vmmc",
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};
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static struct regulator_consumer_supply rx51_vmmc2_supply = {
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.supply = "vmmc",
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};
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static struct regulator_consumer_supply rx51_vsim_supply = {
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.supply = "vmmc_aux",
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};
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static struct regulator_init_data rx51_vaux1 = {
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.constraints = {
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.name = "V28",
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.min_uV = 2800000,
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.max_uV = 2800000,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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};
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static struct regulator_init_data rx51_vaux2 = {
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.constraints = {
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.name = "VCSI",
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.min_uV = 1800000,
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.max_uV = 1800000,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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};
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/* VAUX3 - adds more power to VIO_18 rail */
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static struct regulator_init_data rx51_vaux3 = {
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.constraints = {
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.name = "VCAM_DIG_18",
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.min_uV = 1800000,
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.max_uV = 1800000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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};
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static struct regulator_init_data rx51_vaux4 = {
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.constraints = {
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.name = "VCAM_ANA_28",
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.min_uV = 2800000,
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.max_uV = 2800000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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};
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static struct regulator_init_data rx51_vmmc1 = {
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.constraints = {
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.min_uV = 1850000,
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.max_uV = 3150000,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
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| REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = 1,
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.consumer_supplies = &rx51_vmmc1_supply,
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};
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static struct regulator_init_data rx51_vmmc2 = {
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.constraints = {
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.name = "VMMC2_30",
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.min_uV = 1850000,
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.max_uV = 3150000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
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| REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = 1,
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.consumer_supplies = &rx51_vmmc2_supply,
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};
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static struct regulator_init_data rx51_vsim = {
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.constraints = {
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.name = "VMMC2_IO_18",
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.min_uV = 1800000,
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.max_uV = 1800000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = 1,
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.consumer_supplies = &rx51_vsim_supply,
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};
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static struct regulator_init_data rx51_vdac = {
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.constraints = {
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.min_uV = 1800000,
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.max_uV = 1800000,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
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| REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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};
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static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n)
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{
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/* FIXME this gpio setup is just a placeholder for now */
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gpio_request(gpio + 6, "backlight_pwm");
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gpio_direction_output(gpio + 6, 0);
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gpio_request(gpio + 7, "speaker_en");
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gpio_direction_output(gpio + 7, 1);
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/* set up MMC adapters, linking their regulators to them */
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|
|
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();
|
||
|
|
}
|
||
|
|
|