diff options
Diffstat (limited to 'target/linux/sunxi/patches-3.14/210-mfd-add-axp20x-pmic-driver.patch')
-rw-r--r-- | target/linux/sunxi/patches-3.14/210-mfd-add-axp20x-pmic-driver.patch | 502 |
1 files changed, 0 insertions, 502 deletions
diff --git a/target/linux/sunxi/patches-3.14/210-mfd-add-axp20x-pmic-driver.patch b/target/linux/sunxi/patches-3.14/210-mfd-add-axp20x-pmic-driver.patch deleted file mode 100644 index 6197300e9e..0000000000 --- a/target/linux/sunxi/patches-3.14/210-mfd-add-axp20x-pmic-driver.patch +++ /dev/null @@ -1,502 +0,0 @@ -From 509326e0138b762067904c0c60f818e9bdba4cd4 Mon Sep 17 00:00:00 2001 -From: Carlo Caione <carlo@caione.org> -Date: Sat, 1 Mar 2014 17:45:46 +0100 -Subject: [PATCH] mfd: AXP20x: Add mfd driver for AXP20x PMIC - -This patch introduces the preliminary support for PMICs X-Powers AXP202 -and AXP209. The AXP209 and AXP202 are the PMUs (Power Management Unit) -used by A10, A13 and A20 SoCs and developed by X-Powers, a sister company -of Allwinner. - -The core enables support for two subsystems: -- PEK (Power Enable Key) -- Regulators - -Signed-off-by: Carlo Caione <carlo@caione.org> ---- - arch/arm/configs/sunxi_defconfig | 1 + - drivers/mfd/Kconfig | 12 ++ - drivers/mfd/Makefile | 1 + - drivers/mfd/axp20x.c | 250 +++++++++++++++++++++++++++++++++++++++ - include/linux/mfd/axp20x.h | 180 ++++++++++++++++++++++++++++ - 5 files changed, 444 insertions(+) - create mode 100644 drivers/mfd/axp20x.c - create mode 100644 include/linux/mfd/axp20x.h - ---- a/arch/arm/configs/sunxi_defconfig -+++ b/arch/arm/configs/sunxi_defconfig -@@ -55,6 +55,7 @@ CONFIG_GPIO_SYSFS=y - # CONFIG_HWMON is not set - CONFIG_WATCHDOG=y - CONFIG_SUNXI_WATCHDOG=y -+CONFIG_MFD_AXP20X=y - # CONFIG_USB_SUPPORT is not set - CONFIG_NEW_LEDS=y - CONFIG_LEDS_CLASS=y ---- a/drivers/mfd/Kconfig -+++ b/drivers/mfd/Kconfig -@@ -59,6 +59,18 @@ config MFD_AAT2870_CORE - additional drivers must be enabled in order to use the - functionality of the device. - -+config MFD_AXP20X -+ bool "X-Powers AXP20X" -+ select MFD_CORE -+ select REGMAP_I2C -+ select REGMAP_IRQ -+ depends on I2C=y -+ help -+ If you say Y here you get support for the AXP20X. -+ This driver provides common support for accessing the device, -+ additional drivers must be enabled in order to use the -+ functionality of the device. -+ - config MFD_CROS_EC - tristate "ChromeOS Embedded Controller" - select MFD_CORE ---- a/drivers/mfd/Makefile -+++ b/drivers/mfd/Makefile -@@ -101,6 +101,7 @@ obj-$(CONFIG_PMIC_DA9052) += da9052-irq. - obj-$(CONFIG_PMIC_DA9052) += da9052-core.o - obj-$(CONFIG_MFD_DA9052_SPI) += da9052-spi.o - obj-$(CONFIG_MFD_DA9052_I2C) += da9052-i2c.o -+obj-$(CONFIG_MFD_AXP20X) += axp20x.o - - obj-$(CONFIG_MFD_LP3943) += lp3943.o - obj-$(CONFIG_MFD_LP8788) += lp8788.o lp8788-irq.o ---- /dev/null -+++ b/drivers/mfd/axp20x.c -@@ -0,0 +1,250 @@ -+/* -+ * axp20x.c - mfd core driver for the X-Powers AXP202 and AXP209 -+ * -+ * Author: Carlo Caione <carlo@caione.org> -+ * -+ * 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/err.h> -+#include <linux/i2c.h> -+#include <linux/interrupt.h> -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/pm_runtime.h> -+#include <linux/regmap.h> -+#include <linux/slab.h> -+#include <linux/regulator/consumer.h> -+#include <linux/mfd/axp20x.h> -+#include <linux/mfd/core.h> -+#include <linux/of_device.h> -+#include <linux/of_irq.h> -+ -+#define AXP20X_OFF 0x80 -+ -+static const struct regmap_range axp20x_writeable_ranges[] = { -+ regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ5_STATE), -+ regmap_reg_range(AXP20X_DCDC_MODE, AXP20X_FG_RES), -+}; -+ -+static const struct regmap_range axp20x_volatile_ranges[] = { -+ regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ5_STATE), -+}; -+ -+static const struct regmap_access_table axp20x_writeable_table = { -+ .yes_ranges = axp20x_writeable_ranges, -+ .n_yes_ranges = ARRAY_SIZE(axp20x_writeable_ranges), -+}; -+ -+static const struct regmap_access_table axp20x_volatile_table = { -+ .yes_ranges = axp20x_volatile_ranges, -+ .n_yes_ranges = ARRAY_SIZE(axp20x_volatile_ranges), -+}; -+ -+static struct resource axp20x_pek_resources[] = { -+ { -+ .name = "PEK_DBR", -+ .start = AXP20X_IRQ_PEK_RIS_EDGE, -+ .end = AXP20X_IRQ_PEK_RIS_EDGE, -+ .flags = IORESOURCE_IRQ, -+ }, -+ { -+ .name = "PEK_DBF", -+ .start = AXP20X_IRQ_PEK_FAL_EDGE, -+ .end = AXP20X_IRQ_PEK_FAL_EDGE, -+ .flags = IORESOURCE_IRQ, -+ }, -+}; -+ -+static const struct regmap_config axp20x_regmap_config = { -+ .reg_bits = 8, -+ .val_bits = 8, -+ .wr_table = &axp20x_writeable_table, -+ .volatile_table = &axp20x_volatile_table, -+ .max_register = AXP20X_FG_RES, -+ .cache_type = REGCACHE_RBTREE, -+}; -+ -+#define AXP20X_IRQ(_irq, _off, _mask) \ -+ [AXP20X_IRQ_##_irq] = { .reg_offset = (_off), .mask = BIT(_mask) } -+ -+static const struct regmap_irq axp20x_regmap_irqs[] = { -+ AXP20X_IRQ(ACIN_OVER_V, 0, 7), -+ AXP20X_IRQ(ACIN_PLUGIN, 0, 6), -+ AXP20X_IRQ(ACIN_REMOVAL, 0, 5), -+ AXP20X_IRQ(VBUS_OVER_V, 0, 4), -+ AXP20X_IRQ(VBUS_PLUGIN, 0, 3), -+ AXP20X_IRQ(VBUS_REMOVAL, 0, 2), -+ AXP20X_IRQ(VBUS_V_LOW, 0, 1), -+ AXP20X_IRQ(BATT_PLUGIN, 1, 7), -+ AXP20X_IRQ(BATT_REMOVAL, 1, 6), -+ AXP20X_IRQ(BATT_ENT_ACT_MODE, 1, 5), -+ AXP20X_IRQ(BATT_EXIT_ACT_MODE, 1, 4), -+ AXP20X_IRQ(CHARG, 1, 3), -+ AXP20X_IRQ(CHARG_DONE, 1, 2), -+ AXP20X_IRQ(BATT_TEMP_HIGH, 1, 1), -+ AXP20X_IRQ(BATT_TEMP_LOW, 1, 0), -+ AXP20X_IRQ(DIE_TEMP_HIGH, 2, 7), -+ AXP20X_IRQ(CHARG_I_LOW, 2, 6), -+ AXP20X_IRQ(DCDC1_V_LONG, 2, 5), -+ AXP20X_IRQ(DCDC2_V_LONG, 2, 4), -+ AXP20X_IRQ(DCDC3_V_LONG, 2, 3), -+ AXP20X_IRQ(PEK_SHORT, 2, 1), -+ AXP20X_IRQ(PEK_LONG, 2, 0), -+ AXP20X_IRQ(N_OE_PWR_ON, 3, 7), -+ AXP20X_IRQ(N_OE_PWR_OFF, 3, 6), -+ AXP20X_IRQ(VBUS_VALID, 3, 5), -+ AXP20X_IRQ(VBUS_NOT_VALID, 3, 4), -+ AXP20X_IRQ(VBUS_SESS_VALID, 3, 3), -+ AXP20X_IRQ(VBUS_SESS_END, 3, 2), -+ AXP20X_IRQ(LOW_PWR_LVL1, 3, 1), -+ AXP20X_IRQ(LOW_PWR_LVL2, 3, 0), -+ AXP20X_IRQ(TIMER, 4, 7), -+ AXP20X_IRQ(PEK_RIS_EDGE, 4, 6), -+ AXP20X_IRQ(PEK_FAL_EDGE, 4, 5), -+ AXP20X_IRQ(GPIO3_INPUT, 4, 3), -+ AXP20X_IRQ(GPIO2_INPUT, 4, 2), -+ AXP20X_IRQ(GPIO1_INPUT, 4, 1), -+ AXP20X_IRQ(GPIO0_INPUT, 4, 0), -+}; -+ -+static const struct regmap_irq_chip axp20x_regmap_irq_chip = { -+ .name = "axp20x_irq_chip", -+ .status_base = AXP20X_IRQ1_STATE, -+ .ack_base = AXP20X_IRQ1_STATE, -+ .mask_base = AXP20X_IRQ1_EN, -+ .num_regs = 5, -+ .irqs = axp20x_regmap_irqs, -+ .num_irqs = ARRAY_SIZE(axp20x_regmap_irqs), -+ .mask_invert = true, -+ .init_ack_masked = true, -+}; -+ -+static struct mfd_cell axp20x_cells[] = { -+ { -+ .name = "axp20x-pek", -+ .of_compatible = "x-powers,axp20x-pek", -+ .num_resources = ARRAY_SIZE(axp20x_pek_resources), -+ .resources = axp20x_pek_resources, -+ }, { -+ .name = "axp20x-regulator", -+ }, -+}; -+ -+const struct of_device_id axp20x_of_match[] = { -+ { .compatible = "x-powers,axp202", .data = (void *) AXP202_ID }, -+ { .compatible = "x-powers,axp209", .data = (void *) AXP209_ID }, -+ { }, -+}; -+ -+static struct axp20x_dev *axp20x_pm_power_off; -+static void axp20x_power_off(void) -+{ -+ regmap_write(axp20x_pm_power_off->regmap, AXP20X_OFF_CTRL, -+ AXP20X_OFF); -+} -+ -+static int axp20x_i2c_probe(struct i2c_client *i2c, -+ const struct i2c_device_id *id) -+{ -+ struct axp20x_dev *axp20x; -+ const struct of_device_id *of_id; -+ struct device_node *node = i2c->dev.of_node; -+ int ret; -+ -+ axp20x = devm_kzalloc(&i2c->dev, sizeof(*axp20x), GFP_KERNEL); -+ if (!axp20x) -+ return -ENOMEM; -+ -+ of_id = of_match_device(axp20x_of_match, &i2c->dev); -+ if (!of_id) { -+ dev_err(&i2c->dev, "Unable to setup AXP20X data\n"); -+ return -ENODEV; -+ } -+ axp20x->variant = (int) of_id->data; -+ -+ axp20x->i2c_client = i2c; -+ axp20x->dev = &i2c->dev; -+ dev_set_drvdata(axp20x->dev, axp20x); -+ -+ axp20x->regmap = devm_regmap_init_i2c(i2c, &axp20x_regmap_config); -+ if (IS_ERR(axp20x->regmap)) { -+ ret = PTR_ERR(axp20x->regmap); -+ dev_err(&i2c->dev, "regmap init failed: %d\n", ret); -+ return ret; -+ } -+ -+ axp20x->irq = i2c->irq; -+ ret = regmap_add_irq_chip(axp20x->regmap, axp20x->irq, -+ IRQF_ONESHOT | IRQF_SHARED, -1, -+ &axp20x_regmap_irq_chip, -+ &axp20x->regmap_irqc); -+ if (ret) { -+ dev_err(&i2c->dev, "failed to add irq chip: %d\n", ret); -+ return ret; -+ } -+ -+ ret = mfd_add_devices(axp20x->dev, -1, axp20x_cells, -+ ARRAY_SIZE(axp20x_cells), NULL, 0, NULL); -+ if (ret) { -+ dev_err(&i2c->dev, "failed to add MFD devices: %d\n", ret); -+ goto mfd_err; -+ } -+ -+ axp20x->pm_off = of_property_read_bool(node, "axp,system-power-controller"); -+ -+ if (axp20x->pm_off && !pm_power_off) { -+ axp20x_pm_power_off = axp20x; -+ pm_power_off = axp20x_power_off; -+ } -+ -+ dev_info(&i2c->dev, "AXP20X driver loaded\n"); -+ -+ return 0; -+ -+mfd_err: -+ regmap_del_irq_chip(axp20x->irq, axp20x->regmap_irqc); -+ -+ return ret; -+} -+ -+static int axp20x_i2c_remove(struct i2c_client *i2c) -+{ -+ struct axp20x_dev *axp20x = i2c_get_clientdata(i2c); -+ -+ if (axp20x == axp20x_pm_power_off) { -+ axp20x_pm_power_off = NULL; -+ pm_power_off = NULL; -+ } -+ -+ mfd_remove_devices(axp20x->dev); -+ regmap_del_irq_chip(axp20x->i2c_client->irq, axp20x->regmap_irqc); -+ -+ return 0; -+} -+ -+static const struct i2c_device_id axp20x_i2c_id[] = { -+ { "axp202", AXP202_ID }, -+ { "axp209", AXP209_ID }, -+ { } -+}; -+MODULE_DEVICE_TABLE(i2c, axp20x_i2c_id); -+ -+static struct i2c_driver axp20x_i2c_driver = { -+ .driver = { -+ .name = "axp20x", -+ .owner = THIS_MODULE, -+ .of_match_table = of_match_ptr(axp20x_of_match), -+ }, -+ .probe = axp20x_i2c_probe, -+ .remove = axp20x_i2c_remove, -+ .id_table = axp20x_i2c_id, -+}; -+ -+module_i2c_driver(axp20x_i2c_driver); -+ -+MODULE_DESCRIPTION("PMIC MFD core driver for AXP20X"); -+MODULE_AUTHOR("Carlo Caione <carlo@caione.org>"); -+MODULE_LICENSE("GPL"); ---- /dev/null -+++ b/include/linux/mfd/axp20x.h -@@ -0,0 +1,180 @@ -+/* -+ * Functions to access AXP20X power management chip. -+ * -+ * Copyright (C) 2013, Carlo Caione <carlo@caione.org> -+ * -+ * 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. -+ */ -+ -+#ifndef __LINUX_MFD_AXP20X_H -+#define __LINUX_MFD_AXP20X_H -+ -+#define AXP202_ID 0 -+#define AXP209_ID 1 -+ -+#define AXP20X_DATACACHE(m) (0x04 + (m)) -+ -+/* Power supply */ -+#define AXP20X_PWR_INPUT_STATUS 0x00 -+#define AXP20X_PWR_OP_MODE 0x01 -+#define AXP20X_USB_OTG_STATUS 0x02 -+#define AXP20X_PWR_OUT_CTRL 0x12 -+#define AXP20X_DCDC2_V_OUT 0x23 -+#define AXP20X_DCDC2_LDO3_V_SCAL 0x25 -+#define AXP20X_DCDC3_V_OUT 0x27 -+#define AXP20X_LDO24_V_OUT 0x28 -+#define AXP20X_LDO3_V_OUT 0x29 -+#define AXP20X_VBUS_IPSOUT_MGMT 0x30 -+#define AXP20X_V_OFF 0x31 -+#define AXP20X_OFF_CTRL 0x32 -+#define AXP20X_CHRG_CTRL1 0x33 -+#define AXP20X_CHRG_CTRL2 0x34 -+#define AXP20X_CHRG_BAK_CTRL 0x35 -+#define AXP20X_PEK_KEY 0x36 -+#define AXP20X_DCDC_FREQ 0x37 -+#define AXP20X_V_LTF_CHRG 0x38 -+#define AXP20X_V_HTF_CHRG 0x39 -+#define AXP20X_APS_WARN_L1 0x3a -+#define AXP20X_APS_WARN_L2 0x3b -+#define AXP20X_V_LTF_DISCHRG 0x3c -+#define AXP20X_V_HTF_DISCHRG 0x3d -+ -+/* Interrupt */ -+#define AXP20X_IRQ1_EN 0x40 -+#define AXP20X_IRQ2_EN 0x41 -+#define AXP20X_IRQ3_EN 0x42 -+#define AXP20X_IRQ4_EN 0x43 -+#define AXP20X_IRQ5_EN 0x44 -+#define AXP20X_IRQ1_STATE 0x48 -+#define AXP20X_IRQ2_STATE 0x49 -+#define AXP20X_IRQ3_STATE 0x4a -+#define AXP20X_IRQ4_STATE 0x4b -+#define AXP20X_IRQ5_STATE 0x4c -+ -+/* ADC */ -+#define AXP20X_ACIN_V_ADC_H 0x56 -+#define AXP20X_ACIN_V_ADC_L 0x57 -+#define AXP20X_ACIN_I_ADC_H 0x58 -+#define AXP20X_ACIN_I_ADC_L 0x59 -+#define AXP20X_VBUS_V_ADC_H 0x5a -+#define AXP20X_VBUS_V_ADC_L 0x5b -+#define AXP20X_VBUS_I_ADC_H 0x5c -+#define AXP20X_VBUS_I_ADC_L 0x5d -+#define AXP20X_TEMP_ADC_H 0x5e -+#define AXP20X_TEMP_ADC_L 0x5f -+#define AXP20X_TS_IN_H 0x62 -+#define AXP20X_TS_IN_L 0x63 -+#define AXP20X_GPIO0_V_ADC_H 0x64 -+#define AXP20X_GPIO0_V_ADC_L 0x65 -+#define AXP20X_GPIO1_V_ADC_H 0x66 -+#define AXP20X_GPIO1_V_ADC_L 0x67 -+#define AXP20X_PWR_BATT_H 0x70 -+#define AXP20X_PWR_BATT_M 0x71 -+#define AXP20X_PWR_BATT_L 0x72 -+#define AXP20X_BATT_V_H 0x78 -+#define AXP20X_BATT_V_L 0x79 -+#define AXP20X_BATT_CHRG_I_H 0x7a -+#define AXP20X_BATT_CHRG_I_L 0x7b -+#define AXP20X_BATT_DISCHRG_I_H 0x7c -+#define AXP20X_BATT_DISCHRG_I_L 0x7d -+#define AXP20X_IPSOUT_V_HIGH_H 0x7e -+#define AXP20X_IPSOUT_V_HIGH_L 0x7f -+ -+/* Power supply */ -+#define AXP20X_DCDC_MODE 0x80 -+#define AXP20X_ADC_EN1 0x82 -+#define AXP20X_ADC_EN2 0x83 -+#define AXP20X_ADC_RATE 0x84 -+#define AXP20X_GPIO10_IN_RANGE 0x85 -+#define AXP20X_GPIO1_ADC_IRQ_RIS 0x86 -+#define AXP20X_GPIO1_ADC_IRQ_FAL 0x87 -+#define AXP20X_TIMER_CTRL 0x8a -+#define AXP20X_VBUS_MON 0x8b -+#define AXP20X_OVER_TMP 0x8f -+ -+/* GPIO */ -+#define AXP20X_GPIO0_CTRL 0x90 -+#define AXP20X_LDO5_V_OUT 0x91 -+#define AXP20X_GPIO1_CTRL 0x92 -+#define AXP20X_GPIO2_CTRL 0x93 -+#define AXP20X_GPIO20_SS 0x94 -+#define AXP20X_GPIO3_CTRL 0x95 -+ -+/* Battery */ -+#define AXP20X_CHRG_CC_31_24 0xb0 -+#define AXP20X_CHRG_CC_23_16 0xb1 -+#define AXP20X_CHRG_CC_15_8 0xb2 -+#define AXP20X_CHRG_CC_7_0 0xb3 -+#define AXP20X_DISCHRG_CC_31_24 0xb4 -+#define AXP20X_DISCHRG_CC_23_16 0xb5 -+#define AXP20X_DISCHRG_CC_15_8 0xb6 -+#define AXP20X_DISCHRG_CC_7_0 0xb7 -+#define AXP20X_CC_CTRL 0xb8 -+#define AXP20X_FG_RES 0xb9 -+ -+/* Regulators IDs */ -+enum { -+ AXP20X_LDO1 = 0, -+ AXP20X_LDO2, -+ AXP20X_LDO3, -+ AXP20X_LDO4, -+ AXP20X_LDO5, -+ AXP20X_DCDC2, -+ AXP20X_DCDC3, -+ AXP20X_REG_ID_MAX, -+}; -+ -+/* IRQs */ -+enum { -+ AXP20X_IRQ_ACIN_OVER_V = 1, -+ AXP20X_IRQ_ACIN_PLUGIN, -+ AXP20X_IRQ_ACIN_REMOVAL, -+ AXP20X_IRQ_VBUS_OVER_V, -+ AXP20X_IRQ_VBUS_PLUGIN, -+ AXP20X_IRQ_VBUS_REMOVAL, -+ AXP20X_IRQ_VBUS_V_LOW, -+ AXP20X_IRQ_BATT_PLUGIN, -+ AXP20X_IRQ_BATT_REMOVAL, -+ AXP20X_IRQ_BATT_ENT_ACT_MODE, -+ AXP20X_IRQ_BATT_EXIT_ACT_MODE, -+ AXP20X_IRQ_CHARG, -+ AXP20X_IRQ_CHARG_DONE, -+ AXP20X_IRQ_BATT_TEMP_HIGH, -+ AXP20X_IRQ_BATT_TEMP_LOW, -+ AXP20X_IRQ_DIE_TEMP_HIGH, -+ AXP20X_IRQ_CHARG_I_LOW, -+ AXP20X_IRQ_DCDC1_V_LONG, -+ AXP20X_IRQ_DCDC2_V_LONG, -+ AXP20X_IRQ_DCDC3_V_LONG, -+ AXP20X_IRQ_PEK_SHORT = 22, -+ AXP20X_IRQ_PEK_LONG, -+ AXP20X_IRQ_N_OE_PWR_ON, -+ AXP20X_IRQ_N_OE_PWR_OFF, -+ AXP20X_IRQ_VBUS_VALID, -+ AXP20X_IRQ_VBUS_NOT_VALID, -+ AXP20X_IRQ_VBUS_SESS_VALID, -+ AXP20X_IRQ_VBUS_SESS_END, -+ AXP20X_IRQ_LOW_PWR_LVL1, -+ AXP20X_IRQ_LOW_PWR_LVL2, -+ AXP20X_IRQ_TIMER, -+ AXP20X_IRQ_PEK_RIS_EDGE, -+ AXP20X_IRQ_PEK_FAL_EDGE, -+ AXP20X_IRQ_GPIO3_INPUT, -+ AXP20X_IRQ_GPIO2_INPUT, -+ AXP20X_IRQ_GPIO1_INPUT, -+ AXP20X_IRQ_GPIO0_INPUT, -+}; -+ -+struct axp20x_dev { -+ struct device *dev; -+ struct i2c_client *i2c_client; -+ struct regmap *regmap; -+ struct regmap_irq_chip_data *regmap_irqc; -+ int variant; -+ int irq; -+ bool pm_off; -+}; -+ -+#endif /* __LINUX_MFD_AXP20X_H */ |