diff options
author | John Crispin <john@openwrt.org> | 2015-03-16 07:41:24 +0000 |
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committer | John Crispin <john@openwrt.org> | 2015-03-16 07:41:24 +0000 |
commit | c0a15a57bda510fac081d536013d16446baf6813 (patch) | |
tree | 941690d0c41e1342dbcdac9639e64605e230af51 /target/linux/sunxi/patches-3.14/212-regulator-add-axp20x-regulator-support.patch | |
parent | eb396d656911024685f1f514036aec091669211f (diff) | |
download | mtk-20170518-c0a15a57bda510fac081d536013d16446baf6813.zip mtk-20170518-c0a15a57bda510fac081d536013d16446baf6813.tar.gz mtk-20170518-c0a15a57bda510fac081d536013d16446baf6813.tar.bz2 |
sunxi: drop 3.14 support
Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 44824
Diffstat (limited to 'target/linux/sunxi/patches-3.14/212-regulator-add-axp20x-regulator-support.patch')
-rw-r--r-- | target/linux/sunxi/patches-3.14/212-regulator-add-axp20x-regulator-support.patch | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/target/linux/sunxi/patches-3.14/212-regulator-add-axp20x-regulator-support.patch b/target/linux/sunxi/patches-3.14/212-regulator-add-axp20x-regulator-support.patch deleted file mode 100644 index 1ec041c..0000000 --- a/target/linux/sunxi/patches-3.14/212-regulator-add-axp20x-regulator-support.patch +++ /dev/null @@ -1,402 +0,0 @@ -From c3af279a9031b3375d3e5a684619c1adbbe30da9 Mon Sep 17 00:00:00 2001 -From: Carlo Caione <carlo@caione.org> -Date: Sat, 1 Mar 2014 17:45:51 +0100 -Subject: [PATCH] regulator: AXP20x: Add support for regulators subsystem - -AXP202 and AXP209 come with two synchronous step-down DC-DCs and five -LDOs. This patch introduces basic support for those regulators. - -Signed-off-by: Carlo Caione <carlo@caione.org> ---- - arch/arm/configs/sunxi_defconfig | 1 + - drivers/regulator/Kconfig | 7 + - drivers/regulator/Makefile | 1 + - drivers/regulator/axp20x-regulator.c | 349 +++++++++++++++++++++++++++++++++++ - 4 files changed, 358 insertions(+) - create mode 100644 drivers/regulator/axp20x-regulator.c - ---- a/arch/arm/configs/sunxi_defconfig -+++ b/arch/arm/configs/sunxi_defconfig -@@ -72,3 +72,4 @@ CONFIG_NFS_FS=y - CONFIG_ROOT_NFS=y - CONFIG_NLS=y - CONFIG_PRINTK_TIME=y -+CONFIG_REGULATOR_AXP20X=y ---- a/drivers/regulator/Kconfig -+++ b/drivers/regulator/Kconfig -@@ -139,6 +139,13 @@ config REGULATOR_AS3722 - AS3722 PMIC. This will enable support for all the software - controllable DCDC/LDO regulators. - -+config REGULATOR_AXP20X -+ tristate "X-POWERS AXP20X PMIC Regulators" -+ depends on MFD_AXP20X -+ help -+ This driver provides support for the voltage regulators on the -+ AXP20X PMIC. -+ - config REGULATOR_DA903X - tristate "Dialog Semiconductor DA9030/DA9034 regulators" - depends on PMIC_DA903X ---- a/drivers/regulator/Makefile -+++ b/drivers/regulator/Makefile -@@ -20,6 +20,7 @@ obj-$(CONFIG_REGULATOR_ANATOP) += anatop - obj-$(CONFIG_REGULATOR_ARIZONA) += arizona-micsupp.o arizona-ldo1.o - obj-$(CONFIG_REGULATOR_AS3711) += as3711-regulator.o - obj-$(CONFIG_REGULATOR_AS3722) += as3722-regulator.o -+obj-$(CONFIG_REGULATOR_AXP20X) += axp20x-regulator.o - obj-$(CONFIG_REGULATOR_DA903X) += da903x.o - obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o - obj-$(CONFIG_REGULATOR_DA9055) += da9055-regulator.o ---- /dev/null -+++ b/drivers/regulator/axp20x-regulator.c -@@ -0,0 +1,349 @@ -+/* -+ * axp20x regulators driver. -+ * -+ * Copyright (C) 2013 Carlo Caione <carlo@caione.org> -+ * -+ * This file is subject to the terms and conditions of the GNU General -+ * Public License. See the file "COPYING" in the main directory of this -+ * archive for more details. -+ * -+ * 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. -+ */ -+ -+#include <linux/module.h> -+#include <linux/init.h> -+#include <linux/err.h> -+#include <linux/platform_device.h> -+#include <linux/of.h> -+#include <linux/of_device.h> -+#include <linux/regulator/driver.h> -+#include <linux/regulator/of_regulator.h> -+#include <linux/mfd/axp20x.h> -+#include <linux/regmap.h> -+ -+#define AXP20X_IO_ENABLED (0x03) -+ -+#define AXP20X_WORKMODE_DCDC2_MASK BIT(2) -+#define AXP20X_WORKMODE_DCDC3_MASK BIT(1) -+ -+#define AXP20X_FREQ_DCDC_MASK (0x0f) -+ -+struct axp20x_regulators { -+ struct regulator_desc rdesc[AXP20X_REG_ID_MAX]; -+ struct regulator_dev *rdev[AXP20X_REG_ID_MAX]; -+ struct axp20x_dev *axp20x; -+}; -+ -+#define AXP20X_DESC(_id, _min, _max, _step, _vreg, _vmask, _ereg, _emask) \ -+ [AXP20X_##_id] = { \ -+ .name = #_id, \ -+ .type = REGULATOR_VOLTAGE, \ -+ .id = AXP20X_##_id, \ -+ .n_voltages = (((_max) - (_min)) / (_step) + 1), \ -+ .owner = THIS_MODULE, \ -+ .min_uV = (_min) * 1000, \ -+ .uV_step = (_step) * 1000, \ -+ .vsel_reg = (_vreg), \ -+ .vsel_mask = (_vmask), \ -+ .enable_reg = (_ereg), \ -+ .enable_mask = (_emask), \ -+ .ops = &axp20x_ops, \ -+ } -+ -+#define AXP20X_DESC_IO(_id, _min, _max, _step, _vreg, _vmask, _ereg, _emask) \ -+ [AXP20X_##_id] = { \ -+ .name = #_id, \ -+ .type = REGULATOR_VOLTAGE, \ -+ .id = AXP20X_##_id, \ -+ .n_voltages = (((_max) - (_min)) / (_step) + 1), \ -+ .owner = THIS_MODULE, \ -+ .min_uV = (_min) * 1000, \ -+ .uV_step = (_step) * 1000, \ -+ .vsel_reg = (_vreg), \ -+ .vsel_mask = (_vmask), \ -+ .enable_reg = (_ereg), \ -+ .enable_mask = (_emask), \ -+ .ops = &axp20x_ops_io, \ -+ } -+ -+#define AXP20X_DESC_FIXED(_id, _volt) \ -+ [AXP20X_##_id] = { \ -+ .name = #_id, \ -+ .type = REGULATOR_VOLTAGE, \ -+ .id = AXP20X_##_id, \ -+ .n_voltages = 1, \ -+ .owner = THIS_MODULE, \ -+ .min_uV = (_volt) * 1000, \ -+ .ops = &axp20x_ops, \ -+ } -+ -+#define AXP20X_DESC_TABLE(_id, _table, _vreg, _vmask, _ereg, _emask) \ -+ [AXP20X_##_id] = { \ -+ .name = #_id, \ -+ .type = REGULATOR_VOLTAGE, \ -+ .id = AXP20X_##_id, \ -+ .n_voltages = ARRAY_SIZE(_table), \ -+ .owner = THIS_MODULE, \ -+ .vsel_reg = (_vreg), \ -+ .vsel_mask = (_vmask), \ -+ .enable_reg = (_ereg), \ -+ .enable_mask = (_emask), \ -+ .volt_table = (_table), \ -+ .ops = &axp20x_ops_table, \ -+ } -+ -+static int axp20x_ldo4_data[] = { 1250000, 1300000, 1400000, 1500000, 1600000, 1700000, -+ 1800000, 1900000, 2000000, 2500000, 2700000, 2800000, -+ 3000000, 3100000, 3200000, 3300000 }; -+ -+static int axp20x_set_suspend_voltage(struct regulator_dev *rdev, int uV) -+{ -+ return regulator_set_voltage_sel_regmap(rdev, 0); -+} -+ -+static int axp20x_io_enable_regmap(struct regulator_dev *rdev) -+{ -+ return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, -+ rdev->desc->enable_mask, AXP20X_IO_ENABLED); -+} -+ -+static int axp109_io_is_enabled_regmap(struct regulator_dev *rdev) -+{ -+ unsigned int val; -+ int ret; -+ -+ ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val); -+ if (ret != 0) -+ return ret; -+ -+ val &= rdev->desc->enable_mask; -+ return (val == AXP20X_IO_ENABLED); -+} -+ -+static struct regulator_ops axp20x_ops_table = { -+ .set_voltage_sel = regulator_set_voltage_sel_regmap, -+ .get_voltage_sel = regulator_get_voltage_sel_regmap, -+ .list_voltage = regulator_list_voltage_table, -+ .enable = regulator_enable_regmap, -+ .disable = regulator_disable_regmap, -+ .is_enabled = regulator_is_enabled_regmap, -+ .set_suspend_enable = regulator_enable_regmap, -+ .set_suspend_disable = regulator_disable_regmap, -+ .set_suspend_voltage = axp20x_set_suspend_voltage, -+}; -+ -+ -+static struct regulator_ops axp20x_ops = { -+ .set_voltage_sel = regulator_set_voltage_sel_regmap, -+ .get_voltage_sel = regulator_get_voltage_sel_regmap, -+ .list_voltage = regulator_list_voltage_linear, -+ .enable = regulator_enable_regmap, -+ .disable = regulator_disable_regmap, -+ .is_enabled = regulator_is_enabled_regmap, -+ .set_suspend_enable = regulator_enable_regmap, -+ .set_suspend_disable = regulator_disable_regmap, -+ .set_suspend_voltage = axp20x_set_suspend_voltage, -+}; -+ -+static struct regulator_ops axp20x_ops_io = { -+ .set_voltage_sel = regulator_set_voltage_sel_regmap, -+ .get_voltage_sel = regulator_get_voltage_sel_regmap, -+ .list_voltage = regulator_list_voltage_linear, -+ .enable = axp20x_io_enable_regmap, -+ .disable = regulator_disable_regmap, -+ .is_enabled = axp109_io_is_enabled_regmap, -+ .set_suspend_enable = regulator_enable_regmap, -+ .set_suspend_disable = regulator_disable_regmap, -+ .set_suspend_voltage = axp20x_set_suspend_voltage, -+}; -+ -+static struct regulator_desc axp20x_regulators[] = { -+ AXP20X_DESC(DCDC2, 700, 2275, 25, AXP20X_DCDC2_V_OUT, 0x3f, -+ AXP20X_PWR_OUT_CTRL, 0x10), -+ AXP20X_DESC(DCDC3, 700, 3500, 25, AXP20X_DCDC3_V_OUT, 0x7f, -+ AXP20X_PWR_OUT_CTRL, 0x02), -+ AXP20X_DESC_FIXED(LDO1, 1300), -+ AXP20X_DESC(LDO2, 1800, 3300, 100, AXP20X_LDO24_V_OUT, 0xf0, -+ AXP20X_PWR_OUT_CTRL, 0x04), -+ AXP20X_DESC(LDO3, 700, 3500, 25, AXP20X_LDO3_V_OUT, 0x7f, -+ AXP20X_PWR_OUT_CTRL, 0x40), -+ AXP20X_DESC_TABLE(LDO4, axp20x_ldo4_data, AXP20X_LDO24_V_OUT, 0x0f, -+ AXP20X_PWR_OUT_CTRL, 0x08), -+ AXP20X_DESC_IO(LDO5, 1800, 3300, 100, AXP20X_LDO5_V_OUT, 0xf0, -+ AXP20X_GPIO0_CTRL, 0x07), -+}; -+ -+#define AXP_MATCH(_name, _id) \ -+ [AXP20X_##_id] = { \ -+ .name = #_name, \ -+ .driver_data = (void *) &axp20x_regulators[AXP20X_##_id], \ -+ } -+ -+static struct of_regulator_match axp20x_matches[] = { -+ AXP_MATCH(dcdc2, DCDC2), -+ AXP_MATCH(dcdc3, DCDC3), -+ AXP_MATCH(ldo1, LDO1), -+ AXP_MATCH(ldo2, LDO2), -+ AXP_MATCH(ldo3, LDO3), -+ AXP_MATCH(ldo4, LDO4), -+ AXP_MATCH(ldo5, LDO5), -+}; -+ -+static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq) -+{ -+ struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent); -+ -+ if (dcdcfreq < 750) -+ dcdcfreq = 750; -+ -+ if (dcdcfreq > 1875) -+ dcdcfreq = 1875; -+ -+ dcdcfreq = (dcdcfreq - 750) / 75; -+ -+ return regmap_update_bits(axp20x->regmap, AXP20X_DCDC_FREQ, -+ AXP20X_FREQ_DCDC_MASK, dcdcfreq); -+} -+ -+static int axp20x_regulator_parse_dt(struct platform_device *pdev) -+{ -+ struct device_node *np, *regulators; -+ int ret; -+ u32 dcdcfreq; -+ -+ np = of_node_get(pdev->dev.parent->of_node); -+ if (!np) -+ return 0; -+ -+ regulators = of_find_node_by_name(np, "regulators"); -+ if (!regulators) { -+ dev_err(&pdev->dev, "regulators node not found\n"); -+ return -EINVAL; -+ } -+ -+ ret = of_regulator_match(&pdev->dev, regulators, axp20x_matches, -+ ARRAY_SIZE(axp20x_matches)); -+ if (ret < 0) { -+ dev_err(&pdev->dev, "Error parsing regulator init data: %d\n", -+ ret); -+ return ret; -+ } -+ -+ dcdcfreq = 0x08; -+ of_property_read_u32(regulators, "dcdc-freq", &dcdcfreq); -+ ret = axp20x_set_dcdc_freq(pdev, dcdcfreq); -+ if (ret < 0) { -+ dev_err(&pdev->dev, "Error setting dcdc frequency: %d\n", ret); -+ return ret; -+ } -+ -+ of_node_put(regulators); -+ -+ return 0; -+} -+ -+static int axp20x_set_dcdc_workmode(struct regulator_dev *rdev, int id, u32 workmode) -+{ -+ unsigned int mask = AXP20X_WORKMODE_DCDC2_MASK; -+ -+ if ((id != AXP20X_DCDC2) && (id != AXP20X_DCDC3)) -+ return -EINVAL; -+ -+ if (id == AXP20X_DCDC3) -+ mask = AXP20X_WORKMODE_DCDC3_MASK; -+ -+ return regmap_update_bits(rdev->regmap, AXP20X_DCDC_MODE, mask, workmode); -+} -+ -+static int axp20x_regulator_probe(struct platform_device *pdev) -+{ -+ struct axp20x_regulators *pmic; -+ struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent); -+ struct regulator_config config = { }; -+ struct regulator_init_data *init_data; -+ int ret, i; -+ u32 workmode; -+ -+ ret = axp20x_regulator_parse_dt(pdev); -+ if (ret) -+ return ret; -+ -+ pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL); -+ if (!pmic) { -+ dev_err(&pdev->dev, "Failed to alloc pmic\n"); -+ return -ENOMEM; -+ } -+ -+ pmic->axp20x = axp20x; -+ memcpy(pmic->rdesc, axp20x_regulators, sizeof(pmic->rdesc)); -+ platform_set_drvdata(pdev, pmic); -+ -+ for (i = 0; i < AXP20X_REG_ID_MAX; i++) { -+ init_data = axp20x_matches[i].init_data; -+ if (!init_data) -+ continue; -+ -+ config.dev = &pdev->dev; -+ config.init_data = init_data; -+ config.driver_data = pmic; -+ config.regmap = axp20x->regmap; -+ config.of_node = axp20x_matches[i].of_node; -+ -+ pmic->rdev[i] = regulator_register(&pmic->rdesc[i], &config); -+ if (IS_ERR(pmic->rdev[i])) { -+ ret = PTR_ERR(pmic->rdev[i]); -+ dev_err(&pdev->dev, "Failed to register %s\n", -+ pmic->rdesc[i].name); -+ -+ while (--i >= 0) -+ regulator_unregister(pmic->rdev[i]); -+ -+ return ret; -+ } -+ -+ ret = of_property_read_u32(axp20x_matches[i].of_node, "dcdc-workmode", -+ &workmode); -+ if (!ret) { -+ ret = axp20x_set_dcdc_workmode(pmic->rdev[i], i, workmode); -+ if (ret) -+ dev_err(&pdev->dev, "Failed to set workmode on %s\n", -+ pmic->rdesc[i].name); -+ } -+ } -+ -+ return 0; -+} -+ -+static int axp20x_regulator_remove(struct platform_device *pdev) -+{ -+ struct axp20x_regulators *pmic = platform_get_drvdata(pdev); -+ int i; -+ -+ for (i = 0; i < AXP20X_REG_ID_MAX; i++) -+ regulator_unregister(pmic->rdev[i]); -+ -+ return 0; -+} -+ -+static struct platform_driver axp20x_regulator_driver = { -+ .probe = axp20x_regulator_probe, -+ .remove = axp20x_regulator_remove, -+ .driver = { -+ .name = "axp20x-regulator", -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+static int __init axp20x_regulator_init(void) -+{ -+ return platform_driver_register(&axp20x_regulator_driver); -+} -+ -+subsys_initcall(axp20x_regulator_init); -+ -+MODULE_LICENSE("GPL v2"); -+MODULE_AUTHOR("Carlo Caione <carlo@caione.org>"); -+MODULE_DESCRIPTION("Regulator Driver for AXP20X PMIC"); |