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91 lines
2.5 KiB
91 lines
2.5 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* NXP PCF50633 GPIO Driver |
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* |
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* (C) 2006-2008 by Openmoko, Inc. |
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* Author: Balaji Rao <[email protected]> |
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* All rights reserved. |
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* |
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* Broken down from monstrous PCF50633 driver mainly by |
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* Harald Welte, Andy Green and Werner Almesberger |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/module.h> |
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#include <linux/mfd/pcf50633/core.h> |
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#include <linux/mfd/pcf50633/gpio.h> |
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#include <linux/mfd/pcf50633/pmic.h> |
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static const u8 pcf50633_regulator_registers[PCF50633_NUM_REGULATORS] = { |
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[PCF50633_REGULATOR_AUTO] = PCF50633_REG_AUTOOUT, |
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[PCF50633_REGULATOR_DOWN1] = PCF50633_REG_DOWN1OUT, |
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[PCF50633_REGULATOR_DOWN2] = PCF50633_REG_DOWN2OUT, |
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[PCF50633_REGULATOR_MEMLDO] = PCF50633_REG_MEMLDOOUT, |
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[PCF50633_REGULATOR_LDO1] = PCF50633_REG_LDO1OUT, |
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[PCF50633_REGULATOR_LDO2] = PCF50633_REG_LDO2OUT, |
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[PCF50633_REGULATOR_LDO3] = PCF50633_REG_LDO3OUT, |
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[PCF50633_REGULATOR_LDO4] = PCF50633_REG_LDO4OUT, |
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[PCF50633_REGULATOR_LDO5] = PCF50633_REG_LDO5OUT, |
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[PCF50633_REGULATOR_LDO6] = PCF50633_REG_LDO6OUT, |
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[PCF50633_REGULATOR_HCLDO] = PCF50633_REG_HCLDOOUT, |
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}; |
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int pcf50633_gpio_set(struct pcf50633 *pcf, int gpio, u8 val) |
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{ |
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u8 reg; |
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reg = gpio - PCF50633_GPIO1 + PCF50633_REG_GPIO1CFG; |
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return pcf50633_reg_set_bit_mask(pcf, reg, 0x07, val); |
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} |
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EXPORT_SYMBOL_GPL(pcf50633_gpio_set); |
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u8 pcf50633_gpio_get(struct pcf50633 *pcf, int gpio) |
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{ |
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u8 reg, val; |
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reg = gpio - PCF50633_GPIO1 + PCF50633_REG_GPIO1CFG; |
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val = pcf50633_reg_read(pcf, reg) & 0x07; |
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return val; |
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} |
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EXPORT_SYMBOL_GPL(pcf50633_gpio_get); |
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int pcf50633_gpio_invert_set(struct pcf50633 *pcf, int gpio, int invert) |
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{ |
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u8 val, reg; |
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reg = gpio - PCF50633_GPIO1 + PCF50633_REG_GPIO1CFG; |
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val = !!invert << 3; |
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return pcf50633_reg_set_bit_mask(pcf, reg, 1 << 3, val); |
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} |
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EXPORT_SYMBOL_GPL(pcf50633_gpio_invert_set); |
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int pcf50633_gpio_invert_get(struct pcf50633 *pcf, int gpio) |
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{ |
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u8 reg, val; |
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reg = gpio - PCF50633_GPIO1 + PCF50633_REG_GPIO1CFG; |
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val = pcf50633_reg_read(pcf, reg); |
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return val & (1 << 3); |
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} |
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EXPORT_SYMBOL_GPL(pcf50633_gpio_invert_get); |
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int pcf50633_gpio_power_supply_set(struct pcf50633 *pcf, |
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int gpio, int regulator, int on) |
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{ |
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u8 reg, val, mask; |
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/* the *ENA register is always one after the *OUT register */ |
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reg = pcf50633_regulator_registers[regulator] + 1; |
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val = !!on << (gpio - PCF50633_GPIO1); |
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mask = 1 << (gpio - PCF50633_GPIO1); |
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return pcf50633_reg_set_bit_mask(pcf, reg, mask, val); |
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} |
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EXPORT_SYMBOL_GPL(pcf50633_gpio_power_supply_set); |
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MODULE_LICENSE("GPL");
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