--- /dev/null
+/*
+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/*
+ * mx51-babbage-pmic-mc13892.c -- i.MX51 Babbage Driver for Atlas MC13892 PMIC
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/err.h>
+#include <linux/pmic_external.h>
+#include <linux/regulator/machine.h>
+#include <linux/mfd/mc13892.h>
+#include <mach/irqs.h>
+#include <mach/hardware.h>
+#include <linux/gpio.h>
+#include <mach/iomux-mx51.h>
+
+/*
+ * Convenience conversion.
+ * Here atm, maybe there is somewhere better for this.
+ */
+#define mV_to_uV(mV) (mV * 1000)
+#define uV_to_mV(uV) (uV / 1000)
+#define V_to_uV(V) (mV_to_uV(V * 1000))
+#define uV_to_V(uV) (uV_to_mV(uV) / 1000)
+
+/* CPU */
+static struct regulator_consumer_supply sw1_consumers[] = {
+ {
+ .supply = "cpu_vcc",
+ }
+};
+
+static struct regulator_consumer_supply vdig_consumers[] = {
+ {
+ /* sgtl5000 */
+ .supply = "VDDA",
+ .dev_name = "1-000a",
+ },
+};
+
+static struct regulator_consumer_supply vvideo_consumers[] = {
+ {
+ /* sgtl5000 */
+ .supply = "VDDIO",
+ .dev_name = "1-000a",
+ },
+};
+
+struct mc13892;
+
+static struct regulator_init_data sw1_init = {
+ .constraints = {
+ .name = "SW1",
+ .min_uV = mV_to_uV(600),
+ .max_uV = mV_to_uV(1375),
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
+ .valid_modes_mask = 0,
+ .always_on = 1,
+ .boot_on = 1,
+ .state_mem = {
+ .uV = 850000,
+ .mode = REGULATOR_MODE_NORMAL,
+ .enabled = 1,
+ },
+ },
+ .num_consumer_supplies = ARRAY_SIZE(sw1_consumers),
+ .consumer_supplies = sw1_consumers,
+};
+
+static struct regulator_init_data sw2_init = {
+ .constraints = {
+ .name = "SW2",
+ .min_uV = mV_to_uV(900),
+ .max_uV = mV_to_uV(1850),
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
+ .always_on = 1,
+ .boot_on = 1,
+ .state_mem = {
+ .uV = 950000,
+ .mode = REGULATOR_MODE_NORMAL,
+ .enabled = 1,
+ },
+ }
+};
+
+static struct regulator_init_data sw3_init = {
+ .constraints = {
+ .name = "SW3",
+ .min_uV = mV_to_uV(1100),
+ .max_uV = mV_to_uV(1850),
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
+ .always_on = 1,
+ .boot_on = 1,
+ }
+};
+
+static struct regulator_init_data sw4_init = {
+ .constraints = {
+ .name = "SW4",
+ .min_uV = mV_to_uV(1100),
+ .max_uV = mV_to_uV(1850),
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
+ .always_on = 1,
+ .boot_on = 1,
+ }
+};
+
+static struct regulator_init_data viohi_init = {
+ .constraints = {
+ .name = "VIOHI",
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ .always_on = 1,
+ .boot_on = 1,
+ }
+};
+
+static struct regulator_init_data vusb_init = {
+ .constraints = {
+ .name = "VUSB",
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ .boot_on = 1,
+ .always_on = 1,
+ }
+};
+
+static struct regulator_init_data swbst_init = {
+ .constraints = {
+ .name = "SWBST",
+ }
+};
+
+static struct regulator_init_data vdig_init = {
+ .constraints = {
+ .name = "VDIG",
+ .min_uV = mV_to_uV(1650),
+ .max_uV = mV_to_uV(1650),
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS,
+ .boot_on = 1,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(vdig_consumers),
+ .consumer_supplies = vdig_consumers,
+};
+
+static struct regulator_init_data vpll_init = {
+ .constraints = {
+ .name = "VPLL",
+ .min_uV = mV_to_uV(1050),
+ .max_uV = mV_to_uV(1800),
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS,
+ .boot_on = 1,
+ .always_on = 1,
+ }
+};
+
+static struct regulator_init_data vusb2_init = {
+ .constraints = {
+ .name = "VUSB2",
+ .min_uV = mV_to_uV(2400),
+ .max_uV = mV_to_uV(2775),
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS,
+ .boot_on = 1,
+ .always_on = 1,
+ }
+};
+
+static struct regulator_init_data vvideo_init = {
+ .constraints = {
+ .name = "VVIDEO",
+ .min_uV = mV_to_uV(2775),
+ .max_uV = mV_to_uV(2775),
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS,
+ .apply_uV = 1,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(vvideo_consumers),
+ .consumer_supplies = vvideo_consumers,
+};
+
+static struct regulator_init_data vaudio_init = {
+ .constraints = {
+ .name = "VAUDIO",
+ .min_uV = mV_to_uV(2300),
+ .max_uV = mV_to_uV(3000),
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS,
+ }
+};
+
+static struct regulator_init_data vsd_init = {
+ .constraints = {
+ .name = "VSD",
+ .min_uV = mV_to_uV(1800),
+ .max_uV = mV_to_uV(3150),
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS,
+ }
+};
+
+static struct regulator_init_data vcam_init = {
+ .constraints = {
+ .name = "VCAM",
+ .min_uV = mV_to_uV(2500),
+ .max_uV = mV_to_uV(3000),
+ .valid_ops_mask =
+ REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_MODE |
+ REGULATOR_CHANGE_STATUS,
+ .valid_modes_mask = REGULATOR_MODE_FAST | REGULATOR_MODE_NORMAL,
+ }
+};
+
+static struct regulator_init_data vgen1_init = {
+ .constraints = {
+ .name = "VGEN1",
+ .min_uV = mV_to_uV(1200),
+ .max_uV = mV_to_uV(1200),
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS,
+ }
+};
+
+static struct regulator_init_data vgen2_init = {
+ .constraints = {
+ .name = "VGEN2",
+ .min_uV = mV_to_uV(1200),
+ .max_uV = mV_to_uV(3150),
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS,
+ .always_on = 1,
+ }
+};
+
+static struct regulator_init_data vgen3_init = {
+ .constraints = {
+ .name = "VGEN3",
+ .min_uV = mV_to_uV(1800),
+ .max_uV = mV_to_uV(2900),
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS,
+ .always_on = 1,
+ }
+};
+
+static struct regulator_init_data gpo1_init = {
+ .constraints = {
+ .name = "GPO1",
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ }
+};
+
+static struct regulator_init_data gpo2_init = {
+ .constraints = {
+ .name = "GPO2",
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ }
+};
+
+static struct regulator_init_data gpo3_init = {
+ .constraints = {
+ .name = "GPO3",
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ }
+};
+
+static struct regulator_init_data gpo4_init = {
+ .constraints = {
+ .name = "GPO4",
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ }
+};
+
+static struct mc13xxx_regulator_init_data mx51_bbg_regulators[] = {
+ { .id = MC13892_SW1, .init_data = &sw1_init },
+ { .id = MC13892_SW2, .init_data = &sw2_init },
+ { .id = MC13892_SW3, .init_data = &sw3_init },
+ { .id = MC13892_SW4, .init_data = &sw4_init },
+ { .id = MC13892_SWBST, .init_data = &swbst_init },
+ { .id = MC13892_VIOHI, .init_data = &viohi_init },
+ { .id = MC13892_VPLL, .init_data = &vpll_init },
+ { .id = MC13892_VDIG, .init_data = &vdig_init },
+ { .id = MC13892_VSD, .init_data = &vsd_init },
+ { .id = MC13892_VUSB2, .init_data = &vusb2_init },
+ { .id = MC13892_VVIDEO, .init_data = &vvideo_init },
+ { .id = MC13892_VAUDIO, .init_data = &vaudio_init },
+ { .id = MC13892_VCAM, .init_data = &vcam_init },
+ { .id = MC13892_VGEN1, .init_data = &vgen1_init },
+ { .id = MC13892_VGEN2, .init_data = &vgen2_init },
+ { .id = MC13892_VGEN3, .init_data = &vgen3_init },
+ { .id = MC13892_VUSB, .init_data = &vusb_init },
+ { .id = MC13892_GPO1, .init_data = &gpo1_init },
+ { .id = MC13892_GPO2, .init_data = &gpo2_init },
+ { .id = MC13892_GPO3, .init_data = &gpo3_init },
+ { .id = MC13892_GPO4, .init_data = &gpo4_init },
+};
+
+static struct mc13xxx_platform_data mc13892_plat = {
+ .flags = MC13XXX_USE_REGULATOR,
+ .num_regulators = ARRAY_SIZE(mx51_bbg_regulators),
+ .regulators = mx51_bbg_regulators,
+};
+
+#define MC13892_SPI_IRQ gpio_to_irq(8)
+static struct spi_board_info __initdata mc13892_spi_device = {
+ .modalias = "mc13892",
+ .irq = MC13892_SPI_IRQ,
+ .max_speed_hz = 6000000, /* max spi SCK clock speed in HZ */
+ .bus_num = 0,
+ .chip_select = 0,
+ .platform_data = &mc13892_plat,
+};
+
+
+int __init mx51_babbage_init_mc13892(void)
+{
+ return spi_register_board_info(&mc13892_spi_device, 1);
+}
+
projects / karo-tx-linux.git / commitdiff