diff options
author | Mike Rapoport <mike@compulab.co.il> | 2011-03-09 17:31:18 +0300 |
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committer | Olof Johansson <olof@lixom.net> | 2011-03-16 00:28:35 +0300 |
commit | 6f168f2fa60f87e85e0df25e87e2372f22f5eb7c (patch) | |
tree | 0f1e0a2d98a7db1adb63a47259c216725fa74095 /arch/arm/mach-tegra/board-harmony-power.c | |
parent | 944d46b5347c20be3a3f4c36a6d830e126d9735a (diff) | |
download | linux-6f168f2fa60f87e85e0df25e87e2372f22f5eb7c.tar.xz |
ARM: tegra: harmony: initialize the TPS65862 PMIC
Initialize the PMIC voltage regulators and provide the supply map for
PCI-e clock supply. The rest of the supplies should be added together
with the drivers that use them.
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
CC: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/mach-tegra/board-harmony-power.c')
-rw-r--r-- | arch/arm/mach-tegra/board-harmony-power.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-harmony-power.c b/arch/arm/mach-tegra/board-harmony-power.c new file mode 100644 index 000000000000..c84442cabe07 --- /dev/null +++ b/arch/arm/mach-tegra/board-harmony-power.c @@ -0,0 +1,117 @@ +/* + * 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/platform_device.h> +#include <linux/gpio.h> + +#include <linux/regulator/machine.h> +#include <linux/mfd/tps6586x.h> + +#include <mach/irqs.h> + +#define PMC_CTRL 0x0 +#define PMC_CTRL_INTR_LOW (1 << 17) + +static struct regulator_consumer_supply tps658621_ldo0_supply[] = { + REGULATOR_SUPPLY("pex_clk", NULL), +}; + +static struct regulator_init_data ldo0_data = { + .constraints = { + .min_uV = 1250 * 1000, + .max_uV = 3300 * 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_ldo0_supply), + .consumer_supplies = tps658621_ldo0_supply, +}; + +#define HARMONY_REGULATOR_INIT(_id, _minmv, _maxmv) \ + static struct regulator_init_data _id##_data = { \ + .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), \ + }, \ + } + +HARMONY_REGULATOR_INIT(sm0, 725, 1500); +HARMONY_REGULATOR_INIT(sm1, 725, 1500); +HARMONY_REGULATOR_INIT(sm2, 3000, 4550); +HARMONY_REGULATOR_INIT(ldo1, 725, 1500); +HARMONY_REGULATOR_INIT(ldo2, 725, 1500); +HARMONY_REGULATOR_INIT(ldo3, 1250, 3300); +HARMONY_REGULATOR_INIT(ldo4, 1700, 2475); +HARMONY_REGULATOR_INIT(ldo5, 1250, 3300); +HARMONY_REGULATOR_INIT(ldo6, 1250, 3300); +HARMONY_REGULATOR_INIT(ldo7, 1250, 3300); +HARMONY_REGULATOR_INIT(ldo8, 1250, 3300); +HARMONY_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 = { + .irq_base = TEGRA_NR_IRQS, + .num_subdevs = ARRAY_SIZE(tps_devs), + .subdevs = tps_devs, + .gpio_base = TEGRA_NR_GPIOS, +}; + +static struct i2c_board_info __initdata harmony_regulators[] = { + { + I2C_BOARD_INFO("tps6586x", 0x34), + .irq = INT_EXTERNAL_PMU, + .platform_data = &tps_platform, + }, +}; + +int __init harmony_regulator_init(void) +{ + i2c_register_board_info(3, harmony_regulators, 1); + + return 0; +} |