omap4: Add OMAP4 Panda Support

Add initial support for the OMAP4 based Panda Board.

Signed-off-by: David Anders <x0132446@ti.com>
[tony@atomide.com: selected board by default in Kconfig]
Signed-off-by: Tony Lindgren <tony@atomide.com>

3 files changed, 311 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 84fecd0913a..b48bacf0a7a 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -238,6 +238,11 @@ config MACH_OMAP_4430SDP
 	default y
 	depends on ARCH_OMAP4
 
+config MACH_OMAP4_PANDA
+	bool "OMAP4 Panda Board"
+	default y
+	depends on ARCH_OMAP4
+
 config OMAP3_EMU
 	bool "OMAP3 debugging peripherals"
 	depends on ARCH_OMAP3
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 490fdf8d187..0efcc94fad2 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -145,6 +145,8 @@ obj-$(CONFIG_MACH_OMAP3_TOUCHBOOK)	+= board-omap3touchbook.o \
 					   hsmmc.o
 obj-$(CONFIG_MACH_OMAP_4430SDP)		+= board-4430sdp.o \
 					   hsmmc.o
+obj-$(CONFIG_MACH_OMAP4_PANDA)		+= board-omap4panda.o \
+					   hsmmc.o
 
 obj-$(CONFIG_MACH_OMAP3517EVM)		+= board-am3517evm.o
 
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
new file mode 100644
index 00000000000..c03d1d56db5
--- /dev/null
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -0,0 +1,304 @@
+/*
+ * Board support file for OMAP4430 based PandaBoard.
+ *
+ * Copyright (C) 2010 Texas Instruments
+ *
+ * Author: David Anders <x0132446@ti.com>
+ *
+ * Based on mach-omap2/board-4430sdp.c
+ *
+ * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
+ * Based on mach-omap2/board-3430sdp.c
+ *
+ * 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/io.h>
+#include <linux/gpio.h>
+#include <linux/usb/otg.h>
+#include <linux/i2c/twl.h>
+#include <linux/regulator/machine.h>
+
+#include <mach/hardware.h>
+#include <mach/omap4-common.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <plat/board.h>
+#include <plat/common.h>
+#include <plat/control.h>
+#include <plat/timer-gp.h>
+#include <plat/usb.h>
+#include <plat/mmc.h>
+#include "hsmmc.h"
+
+
+static void __init omap4_panda_init_irq(void)
+{
+	omap2_init_common_hw(NULL, NULL);
+	gic_init_irq();
+	omap_gpio_init();
+}
+
+static struct omap_musb_board_data musb_board_data = {
+	.interface_type		= MUSB_INTERFACE_UTMI,
+	.mode			= MUSB_PERIPHERAL,
+	.power			= 100,
+};
+
+static struct omap2_hsmmc_info mmc[] = {
+	{
+		.mmc		= 1,
+		.wires		= 8,
+		.gpio_wp	= -EINVAL,
+	},
+	{}	/* Terminator */
+};
+
+static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
+	{
+		.supply = "vmmc",
+		.dev_name = "mmci-omap-hs.0",
+	},
+	{
+		.supply = "vmmc",
+		.dev_name = "mmci-omap-hs.1",
+	},
+};
+
+static int omap4_twl6030_hsmmc_late_init(struct device *dev)
+{
+	int ret = 0;
+	struct platform_device *pdev = container_of(dev,
+				struct platform_device, dev);
+	struct omap_mmc_platform_data *pdata = dev->platform_data;
+
+	/* Setting MMC1 Card detect Irq */
+	if (pdev->id == 0)
+		pdata->slots[0].card_detect_irq = TWL6030_IRQ_BASE +
+						MMCDETECT_INTR_OFFSET;
+	return ret;
+}
+
+static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
+{
+	struct omap_mmc_platform_data *pdata = dev->platform_data;
+
+	pdata->init =	omap4_twl6030_hsmmc_late_init;
+}
+
+static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
+{
+	struct omap2_hsmmc_info *c;
+
+	omap2_hsmmc_init(controllers);
+	for (c = controllers; c->mmc; c++)
+		omap4_twl6030_hsmmc_set_late_init(c->dev);
+
+	return 0;
+}
+
+static struct regulator_init_data omap4_panda_vaux1 = {
+	.constraints = {
+		.min_uV			= 1000000,
+		.max_uV			= 3000000,
+		.apply_uV		= true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
+					| REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+};
+
+static struct regulator_init_data omap4_panda_vaux2 = {
+	.constraints = {
+		.min_uV			= 1200000,
+		.max_uV			= 2800000,
+		.apply_uV		= true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
+					| REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+};
+
+static struct regulator_init_data omap4_panda_vaux3 = {
+	.constraints = {
+		.min_uV			= 1000000,
+		.max_uV			= 3000000,
+		.apply_uV		= true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
+					| REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+};
+
+/* VMMC1 for MMC1 card */
+static struct regulator_init_data omap4_panda_vmmc = {
+	.constraints = {
+		.min_uV			= 1200000,
+		.max_uV			= 3000000,
+		.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  = 2,
+	.consumer_supplies      = omap4_panda_vmmc_supply,
+};
+
+static struct regulator_init_data omap4_panda_vpp = {
+	.constraints = {
+		.min_uV			= 1800000,
+		.max_uV			= 2500000,
+		.apply_uV		= true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
+					| REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+};
+
+static struct regulator_init_data omap4_panda_vusim = {
+	.constraints = {
+		.min_uV			= 1200000,
+		.max_uV			= 2900000,
+		.apply_uV		= true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask	 = REGULATOR_CHANGE_VOLTAGE
+					| REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+};
+
+static struct regulator_init_data omap4_panda_vana = {
+	.constraints = {
+		.min_uV			= 2100000,
+		.max_uV			= 2100000,
+		.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 omap4_panda_vcxio = {
+	.constraints = {
+		.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 omap4_panda_vdac = {
+	.constraints = {
+		.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 omap4_panda_vusb = {
+	.constraints = {
+		.min_uV			= 3300000,
+		.max_uV			= 3300000,
+		.apply_uV		= true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask	 =	REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+};
+
+static struct twl4030_platform_data omap4_panda_twldata = {
+	.irq_base	= TWL6030_IRQ_BASE,
+	.irq_end	= TWL6030_IRQ_END,
+
+	/* Regulators */
+	.vmmc		= &omap4_panda_vmmc,
+	.vpp		= &omap4_panda_vpp,
+	.vusim		= &omap4_panda_vusim,
+	.vana		= &omap4_panda_vana,
+	.vcxio		= &omap4_panda_vcxio,
+	.vdac		= &omap4_panda_vdac,
+	.vusb		= &omap4_panda_vusb,
+	.vaux1		= &omap4_panda_vaux1,
+	.vaux2		= &omap4_panda_vaux2,
+	.vaux3		= &omap4_panda_vaux3,
+};
+
+static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = {
+	{
+		I2C_BOARD_INFO("twl6030", 0x48),
+		.flags = I2C_CLIENT_WAKE,
+		.irq = OMAP44XX_IRQ_SYS_1N,
+		.platform_data = &omap4_panda_twldata,
+	},
+};
+static int __init omap4_panda_i2c_init(void)
+{
+	/*
+	 * Phoenix Audio IC needs I2C1 to
+	 * start with 400 KHz or less
+	 */
+	omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo,
+			ARRAY_SIZE(omap4_panda_i2c_boardinfo));
+	omap_register_i2c_bus(2, 400, NULL, 0);
+	omap_register_i2c_bus(3, 400, NULL, 0);
+	omap_register_i2c_bus(4, 400, NULL, 0);
+	return 0;
+}
+static void __init omap4_panda_init(void)
+{
+	int status;
+
+	omap4_panda_i2c_init();
+	omap_serial_init();
+	omap4_twl6030_hsmmc_init(mmc);
+	/* OMAP4 Panda uses internal transceiver so register nop transceiver */
+	usb_nop_xceiv_register();
+	/* FIXME: allow multi-omap to boot until musb is updated for omap4 */
+	if (!cpu_is_omap44xx())
+		usb_musb_init(&musb_board_data);
+}
+
+static void __init omap4_panda_map_io(void)
+{
+	omap2_set_globals_443x();
+	omap44xx_map_common_io();
+}
+
+MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
+	/* Maintainer: David Anders - Texas Instruments Inc */
+	.phys_io	= 0x48000000,
+	.io_pg_offst	= ((0xfa000000) >> 18) & 0xfffc,
+	.boot_params	= 0x80000100,
+	.map_io		= omap4_panda_map_io,
+	.init_irq	= omap4_panda_init_irq,
+	.init_machine	= omap4_panda_init,
+	.timer		= &omap_timer,
+MACHINE_END