diff options
Diffstat (limited to 'target/linux/ipq40xx/patches-4.19/088-v5.6-regulator-add-IPQ4019-SDHCI-VQMMC-LDO-driver.patch')
| -rw-r--r-- | target/linux/ipq40xx/patches-4.19/088-v5.6-regulator-add-IPQ4019-SDHCI-VQMMC-LDO-driver.patch | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/target/linux/ipq40xx/patches-4.19/088-v5.6-regulator-add-IPQ4019-SDHCI-VQMMC-LDO-driver.patch b/target/linux/ipq40xx/patches-4.19/088-v5.6-regulator-add-IPQ4019-SDHCI-VQMMC-LDO-driver.patch deleted file mode 100644 index 6b46cda941..0000000000 --- a/target/linux/ipq40xx/patches-4.19/088-v5.6-regulator-add-IPQ4019-SDHCI-VQMMC-LDO-driver.patch +++ /dev/null @@ -1,153 +0,0 @@ -From 97043d292365ae39d62b54a6d79dff98d048b501 Mon Sep 17 00:00:00 2001 -From: Robert Marko <robert.marko@sartura.hr> -Date: Wed, 22 Jan 2020 12:44:14 +0100 -Subject: [PATCH] From ebf652b408200504194be32ad0a3f5bb49d6000a Mon Sep 17 - 00:00:00 2001 From: Robert Marko <robert.marko@sartura.hr> Date: Sun, 12 Jan - 2020 12:30:01 +0100 Subject: [PATCH] regulator: add IPQ4019 SDHCI VQMMC LDO - driver - -This introduces the IPQ4019 VQMMC LDO driver needed for -the SD/EMMC driver I/O level operation. -This will enable introducing SD/EMMC support for the built-in controller. - -Signed-off-by: Mantas Pucka <mantas@8devices.com> -Signed-off-by: Robert Marko <robert.marko@sartura.hr> -Link: https://lore.kernel.org/r/20200112113003.11110-1-robert.marko@sartura.hr -Signed-off-by: Mark Brown <broonie@kernel.org> ---- - drivers/regulator/Kconfig | 7 ++ - drivers/regulator/Makefile | 1 + - drivers/regulator/vqmmc-ipq4019-regulator.c | 101 ++++++++++++++++++++ - 3 files changed, 109 insertions(+) - create mode 100644 drivers/regulator/vqmmc-ipq4019-regulator.c - ---- a/drivers/regulator/Kconfig -+++ b/drivers/regulator/Kconfig -@@ -981,6 +981,13 @@ config REGULATOR_VEXPRESS - This driver provides support for voltage regulators available - on the ARM Ltd's Versatile Express platform. - -+config REGULATOR_VQMMC_IPQ4019 -+ tristate "IPQ4019 VQMMC SD LDO regulator support" -+ depends on ARCH_QCOM -+ help -+ This driver provides support for the VQMMC LDO I/0 -+ voltage regulator of the IPQ4019 SD/EMMC controller. -+ - config REGULATOR_WM831X - tristate "Wolfson Microelectronics WM831x PMIC regulators" - depends on MFD_WM831X ---- a/drivers/regulator/Makefile -+++ b/drivers/regulator/Makefile -@@ -122,6 +122,7 @@ obj-$(CONFIG_REGULATOR_TWL4030) += twl-r - obj-$(CONFIG_REGULATOR_UNIPHIER) += uniphier-regulator.o - obj-$(CONFIG_REGULATOR_VCTRL) += vctrl-regulator.o - obj-$(CONFIG_REGULATOR_VEXPRESS) += vexpress-regulator.o -+obj-$(CONFIG_REGULATOR_VQMMC_IPQ4019) += vqmmc-ipq4019-regulator.o - obj-$(CONFIG_REGULATOR_WM831X) += wm831x-dcdc.o - obj-$(CONFIG_REGULATOR_WM831X) += wm831x-isink.o - obj-$(CONFIG_REGULATOR_WM831X) += wm831x-ldo.o ---- /dev/null -+++ b/drivers/regulator/vqmmc-ipq4019-regulator.c -@@ -0,0 +1,101 @@ -+// SPDX-License-Identifier: GPL-2.0+ -+// -+// Copyright (c) 2019 Mantas Pucka <mantas@8devices.com> -+// Copyright (c) 2019 Robert Marko <robert.marko@sartura.hr> -+// -+// Driver for IPQ4019 SD/MMC controller's I/O LDO voltage regulator -+ -+#include <linux/io.h> -+#include <linux/module.h> -+#include <linux/of.h> -+#include <linux/platform_device.h> -+#include <linux/regmap.h> -+#include <linux/regulator/driver.h> -+#include <linux/regulator/machine.h> -+#include <linux/regulator/of_regulator.h> -+ -+static const unsigned int ipq4019_vmmc_voltages[] = { -+ 1500000, 1800000, 2500000, 3000000, -+}; -+ -+static const struct regulator_ops ipq4019_regulator_voltage_ops = { -+ .list_voltage = regulator_list_voltage_table, -+ .map_voltage = regulator_map_voltage_ascend, -+ .get_voltage_sel = regulator_get_voltage_sel_regmap, -+ .set_voltage_sel = regulator_set_voltage_sel_regmap, -+}; -+ -+static const struct regulator_desc vmmc_regulator = { -+ .name = "vmmcq", -+ .ops = &ipq4019_regulator_voltage_ops, -+ .type = REGULATOR_VOLTAGE, -+ .owner = THIS_MODULE, -+ .volt_table = ipq4019_vmmc_voltages, -+ .n_voltages = ARRAY_SIZE(ipq4019_vmmc_voltages), -+ .vsel_reg = 0, -+ .vsel_mask = 0x3, -+}; -+ -+static const struct regmap_config ipq4019_vmmcq_regmap_config = { -+ .reg_bits = 32, -+ .reg_stride = 4, -+ .val_bits = 32, -+}; -+ -+static int ipq4019_regulator_probe(struct platform_device *pdev) -+{ -+ struct device *dev = &pdev->dev; -+ struct regulator_init_data *init_data; -+ struct regulator_config cfg = {}; -+ struct regulator_dev *rdev; -+ struct resource *res; -+ struct regmap *rmap; -+ void __iomem *base; -+ -+ init_data = of_get_regulator_init_data(dev, dev->of_node, -+ &vmmc_regulator); -+ if (!init_data) -+ return -EINVAL; -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ base = devm_ioremap_resource(dev, res); -+ if (IS_ERR(base)) -+ return PTR_ERR(base); -+ -+ rmap = devm_regmap_init_mmio(dev, base, &ipq4019_vmmcq_regmap_config); -+ if (IS_ERR(rmap)) -+ return PTR_ERR(rmap); -+ -+ cfg.dev = dev; -+ cfg.init_data = init_data; -+ cfg.of_node = dev->of_node; -+ cfg.regmap = rmap; -+ -+ rdev = devm_regulator_register(dev, &vmmc_regulator, &cfg); -+ if (IS_ERR(rdev)) { -+ dev_err(dev, "Failed to register regulator: %ld\n", -+ PTR_ERR(rdev)); -+ return PTR_ERR(rdev); -+ } -+ platform_set_drvdata(pdev, rdev); -+ -+ return 0; -+} -+ -+static const struct of_device_id regulator_ipq4019_of_match[] = { -+ { .compatible = "qcom,vqmmc-ipq4019-regulator", }, -+ {}, -+}; -+ -+static struct platform_driver ipq4019_regulator_driver = { -+ .probe = ipq4019_regulator_probe, -+ .driver = { -+ .name = "vqmmc-ipq4019-regulator", -+ .of_match_table = of_match_ptr(regulator_ipq4019_of_match), -+ }, -+}; -+module_platform_driver(ipq4019_regulator_driver); -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Mantas Pucka <mantas@8devices.com>"); -+MODULE_DESCRIPTION("IPQ4019 VQMMC voltage regulator"); |