[ARM] ventana: register i2c, touchscreen & regulator

register I2C controllers, regulator consumers and the panjit
touchscreen platform_device

Change-Id: Ife13c0d86084f26c734dea2c358f8c4fd3e27a8e
Signed-off-by: Gary King <gking@nvidia.com>

arch/arm/mach-tegra/Makefile

@@ -40,3 +40,4 @@ obj-${CONFIG_MACH_HARMONY}              += board-harmony-sdhci.o
 obj-${CONFIG_MACH_VENTANA}              += board-ventana.o
 obj-${CONFIG_MACH_VENTANA}              += board-ventana-pinmux.o
 obj-${CONFIG_MACH_VENTANA}              += board-ventana-sdhci.o
+obj-${CONFIG_MACH_VENTANA}              += board-ventana-power.o

arch/arm/mach-tegra/board-ventana-power.c

@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2010 NVIDIA, Inc.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307, USA
+ */
+#include <linux/i2c.h>
+#include <linux/regulator/machine.h>
+#include <linux/mfd/tps6586x.h>
+#include <linux/gpio.h>
+
+static struct regulator_consumer_supply tps658621_sm0_supply[] = {
+	REGULATOR_SUPPLY("vdd_core", NULL),
+};
+static struct regulator_consumer_supply tps658621_sm1_supply[] = {
+	REGULATOR_SUPPLY("vdd_cpu", NULL),
+};
+static struct regulator_consumer_supply tps658621_sm2_supply[] = {
+	REGULATOR_SUPPLY("vdd_sm2", NULL),
+};
+static struct regulator_consumer_supply tps658621_ldo0_supply[] = {
+	REGULATOR_SUPPLY("p_cam_avdd", NULL),
+};
+static struct regulator_consumer_supply tps658621_ldo1_supply[] = {
+	REGULATOR_SUPPLY("avdd_pll", NULL),
+};
+static struct regulator_consumer_supply tps658621_ldo2_supply[] = {
+	REGULATOR_SUPPLY("vdd_rtc", NULL),
+};
+static struct regulator_consumer_supply tps658621_ldo3_supply[] = {
+	REGULATOR_SUPPLY("avdd_usb", NULL),
+	REGULATOR_SUPPLY("avdd_usb_pll", NULL),
+};
+static struct regulator_consumer_supply tps658621_ldo4_supply[] = {
+	REGULATOR_SUPPLY("avdd_osc", NULL),
+	REGULATOR_SUPPLY("vddio_sys", "panjit_touch"),
+};
+static struct regulator_consumer_supply tps658621_ldo5_supply[] = {
+	REGULATOR_SUPPLY("vcore_mmc", "sdhci-tegra.1"),
+	REGULATOR_SUPPLY("vcore_mmc", "sdhci-tegra.3"),
+};
+static struct regulator_consumer_supply tps658621_ldo6_supply[] = {
+	REGULATOR_SUPPLY("vddio_vi", NULL),
+};
+static struct regulator_consumer_supply tps658621_ldo7_supply[] = {
+	REGULATOR_SUPPLY("avdd_hdmi", NULL),
+	REGULATOR_SUPPLY("vdd_fuse", NULL),
+};
+static struct regulator_consumer_supply tps658621_ldo8_supply[] = {
+	REGULATOR_SUPPLY("avdd_hdmi_pll", NULL),
+};
+static struct regulator_consumer_supply tps658621_ldo9_supply[] = {
+	REGULATOR_SUPPLY("avdd_2v85", NULL),
+	REGULATOR_SUPPLY("vdd_ddr_rx", NULL),
+	REGULATOR_SUPPLY("avdd_amp", NULL),
+};
+
+#define REGULATOR_INIT(_id, _minmv, _maxmv)				\
+	{								\
+		.constraints = {					\
+			.min_uV = (_minmv)*1000,			\
+			.max_uV = (_maxmv)*1000,			\
+			.valid_modes_mask = (REGULATOR_MODE_NORMAL |	\
+					     REGULATOR_MODE_STANDBY),	\
+			.valid_ops_mask = (REGULATOR_CHANGE_MODE |	\
+					   REGULATOR_CHANGE_STATUS |	\
+					   REGULATOR_CHANGE_VOLTAGE),	\
+		},							\
+		.num_consumer_supplies = ARRAY_SIZE(tps658621_##_id##_supply),\
+		.consumer_supplies = tps658621_##_id##_supply,		\
+	}
+
+static struct regulator_init_data sm0_data = REGULATOR_INIT(sm0, 725, 1500);
+static struct regulator_init_data sm1_data = REGULATOR_INIT(sm1, 725, 1500);
+static struct regulator_init_data sm2_data = REGULATOR_INIT(sm2, 3000, 4550);
+static struct regulator_init_data ldo0_data = REGULATOR_INIT(ldo0, 1250, 3300);
+static struct regulator_init_data ldo1_data = REGULATOR_INIT(ldo1, 725, 1500);
+static struct regulator_init_data ldo2_data = REGULATOR_INIT(ldo2, 725, 1500);
+static struct regulator_init_data ldo3_data = REGULATOR_INIT(ldo3, 1250, 3300);
+static struct regulator_init_data ldo4_data = REGULATOR_INIT(ldo4, 1700, 2475);
+static struct regulator_init_data ldo5_data = REGULATOR_INIT(ldo5, 1250, 3300);
+static struct regulator_init_data ldo6_data = REGULATOR_INIT(ldo6, 1250, 3300);
+static struct regulator_init_data ldo7_data = REGULATOR_INIT(ldo7, 1250, 3300);
+static struct regulator_init_data ldo8_data = REGULATOR_INIT(ldo8, 1250, 3300);
+static struct regulator_init_data ldo9_data = REGULATOR_INIT(ldo9, 1250, 3300);
+
+#define TPS_REG(_id, _data)			\
+	{					\
+		.id = TPS6586X_ID_##_id,	\
+		.name = "tps6586x-regulator",	\
+		.platform_data = _data,		\
+	}
+
+static struct tps6586x_subdev_info tps_devs[] = {
+	TPS_REG(SM_0, &sm0_data),
+	TPS_REG(SM_1, &sm1_data),
+	TPS_REG(SM_2, &sm2_data),
+	TPS_REG(LDO_0, &ldo0_data),
+	TPS_REG(LDO_1, &ldo1_data),
+	TPS_REG(LDO_2, &ldo2_data),
+	TPS_REG(LDO_3, &ldo3_data),
+	TPS_REG(LDO_4, &ldo4_data),
+	TPS_REG(LDO_5, &ldo5_data),
+	TPS_REG(LDO_6, &ldo6_data),
+	TPS_REG(LDO_7, &ldo7_data),
+	TPS_REG(LDO_8, &ldo8_data),
+	TPS_REG(LDO_9, &ldo9_data),
+};
+
+static struct tps6586x_platform_data tps_platform = {
+	.num_subdevs = ARRAY_SIZE(tps_devs),
+	.subdevs = tps_devs,
+	.gpio_base = TEGRA_NR_GPIOS,
+};
+
+static struct i2c_board_info __initdata ventana_regulators[] = {
+	{
+		I2C_BOARD_INFO("tps6586x", 0x34),
+		.platform_data = &tps_platform,
+	},
+};
+
+int __init ventana_regulator_init(void)
+{
+	i2c_register_board_info(4, ventana_regulators, 1);
+	return 0;
+}

arch/arm/mach-tegra/board-ventana.c

@@ -29,6 +29,8 @@
 #include <linux/pda_power.h>
 #include <linux/dma-mapping.h>
 #include <linux/delay.h>
+#include <linux/i2c-tegra.h>
+#include <linux/gpio.h>
 
 #include <mach/iomap.h>
 #include <mach/irqs.h>
@@ -41,6 +43,9 @@
 
 #include "board.h"
 #include "clock.h"
+#include "board-ventana.h"
+#include "devices.h"
+#include "gpio-names.h"
 
 static struct plat_serial8250_port debug_uart_platform_data[] = {
 	{
@@ -106,6 +111,56 @@ static struct platform_device tegra_gart_dev = {
     .resource = tegra_gart_resources
 };
 
+static struct tegra_i2c_platform_data ventana_i2c1_platform_data = {
+	.adapter_nr	= 0,
+	.bus_count	= 1,
+	.bus_clk_rate	= { 400000, 0 },
+};
+
+static const struct tegra_pingroup_config i2c2_ddc = {
+	.pingroup	= TEGRA_PINGROUP_DDC,
+	.func		= TEGRA_MUX_I2C2,
+};
+
+static const struct tegra_pingroup_config i2c2_gen2 = {
+	.pingroup	= TEGRA_PINGROUP_PTA,
+	.func		= TEGRA_MUX_I2C2,
+};
+
+static struct tegra_i2c_platform_data ventana_i2c2_platform_data = {
+	.adapter_nr	= 1,
+	.bus_count	= 2,
+	.bus_clk_rate	= { 400000, 100000 },
+	.bus_mux	= { &i2c2_ddc, &i2c2_gen2 },
+	.bus_mux_len	= { 1, 1 },
+};
+
+static struct tegra_i2c_platform_data ventana_i2c3_platform_data = {
+	.adapter_nr	= 3,
+	.bus_count	= 1,
+	.bus_clk_rate	= { 400000, 0 },
+};
+
+static struct tegra_i2c_platform_data ventana_dvc_platform_data = {
+	.adapter_nr	= 4,
+	.bus_count	= 1,
+	.bus_clk_rate	= { 400000, 0 },
+	.is_dvc		= true,
+};
+
+static void ventana_i2c_init(void)
+{
+	tegra_i2c_device1.dev.platform_data = &ventana_i2c1_platform_data;
+	tegra_i2c_device2.dev.platform_data = &ventana_i2c2_platform_data;
+	tegra_i2c_device3.dev.platform_data = &ventana_i2c3_platform_data;
+	tegra_i2c_device4.dev.platform_data = &ventana_dvc_platform_data;
+
+	platform_device_register(&tegra_i2c_device4);
+	platform_device_register(&tegra_i2c_device3);
+	platform_device_register(&tegra_i2c_device2);
+	platform_device_register(&tegra_i2c_device1);
+}
+
 static struct platform_device *ventana_devices[] __initdata = {
 	&debug_uart,
 	&tegra_udc_device,
@@ -113,8 +168,35 @@ static struct platform_device *ventana_devices[] __initdata = {
 	&tegra_gart_dev,
 };
 
-extern int __init ventana_sdhci_init(void);
-extern int __init ventana_pinmux_init(void);
+static int ventana_touch_reset(void)
+{
+	gpio_set_value(TEGRA_GPIO_PQ7, 1);
+	msleep(50);
+	gpio_set_value(TEGRA_GPIO_PQ7, 0);
+	msleep(50);
+	return 0;
+}
+
+static const struct i2c_board_info ventana_i2c_bus1_touch_info[] = {
+	{
+		I2C_BOARD_INFO("panjit_touch", 0x3),
+		.irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_PV6),
+	},
+};
+
+static int __init ventana_touch_init(void)
+{
+	tegra_gpio_enable(TEGRA_GPIO_PV6);
+
+	tegra_gpio_enable(TEGRA_GPIO_PQ7);
+	gpio_request(TEGRA_GPIO_PQ7, "touch_reset");
+	gpio_direction_output(TEGRA_GPIO_PQ7, 1);
+
+	ventana_touch_reset();
+	i2c_register_board_info(0, ventana_i2c_bus1_touch_info, 1);
+
+	return 0;
+}
 
 static void __init tegra_ventana_init(void)
 {
@@ -125,6 +207,9 @@ static void __init tegra_ventana_init(void)
 
 	platform_add_devices(ventana_devices, ARRAY_SIZE(ventana_devices));
 	ventana_sdhci_init();
+	ventana_i2c_init();
+	ventana_regulator_init();
+	ventana_touch_init();
 }
 
 MACHINE_START(VENTANA, "ventana")

arch/arm/mach-tegra/board-ventana.h

@@ -0,0 +1,24 @@
+/*
+ * arch/arm/mach-tegra/board-ventana.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _MACH_TEGRA_BOARD_VENTANA_H
+#define _MACH_TEGRA_BOARD_VENTANA_H
+
+int ventana_regulator_init(void);
+int ventana_sdhci_init(void);
+int ventana_pinmux_init(void);
+
+#endif