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authorAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
committerAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
commitb4b6116a13633898cf868f2f103c96a90c4c20f8 (patch)
tree93d1b7e2cfcdf473d8d4ff3ad141fa864f8491f6 /arch/arm/mach-omap2/board-omap3logic.c
parentedd4be777c953e5faafc80d091d3084b4343f5d3 (diff)
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fedora kernel: d9aad82f3319f3cfd1aebc01234254ef0c37ad84v3.3.2-1
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/arm/mach-omap2/board-omap3logic.c')
-rw-r--r--arch/arm/mach-omap2/board-omap3logic.c226
1 files changed, 226 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-omap3logic.c b/arch/arm/mach-omap2/board-omap3logic.c
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+++ b/arch/arm/mach-omap2/board-omap3logic.c
@@ -0,0 +1,226 @@
+/*
+ * 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 "control.h"
+#include "common-board-devices.h"
+
+#include <plat/mux.h>
+#include <plat/board.h>
+#include "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[] = {
+ REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
+};
+
+/* 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 = ARRAY_SIZE(omap3logic_vmmc1_supply),
+ .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 int __init omap3logic_i2c_init(void)
+{
+ omap3_pmic_init("twl4030", &omap3logic_twldata);
+ 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);
+}
+
+static struct omap_smsc911x_platform_data __initdata board_smsc911x_data = {
+ .cs = OMAP3LOGIC_SMSC911X_CS,
+ .gpio_irq = -EINVAL,
+ .gpio_reset = -EINVAL,
+};
+
+/* 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);
+}
+
+#ifdef CONFIG_OMAP_MUX
+static struct omap_board_mux board_mux[] __initdata = {
+ { .reg_offset = OMAP_MUX_TERMINATOR },
+};
+#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();
+ omap_sdrc_init(NULL, NULL);
+ 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")
+ .atag_offset = 0x100,
+ .map_io = omap3_map_io,
+ .init_early = omap35xx_init_early,
+ .init_irq = omap3_init_irq,
+ .handle_irq = omap3_intc_handle_irq,
+ .init_machine = omap3logic_init,
+ .timer = &omap3_timer,
+ .restart = omap_prcm_restart,
+MACHINE_END
+
+MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board")
+ .atag_offset = 0x100,
+ .map_io = omap3_map_io,
+ .init_early = omap35xx_init_early,
+ .init_irq = omap3_init_irq,
+ .handle_irq = omap3_intc_handle_irq,
+ .init_machine = omap3logic_init,
+ .timer = &omap3_timer,
+ .restart = omap_prcm_restart,
+MACHINE_END