^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * pbias-regulator.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (C) 2014 Texas Instruments Incorporated - https://www.ti.com/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Author: Balaji T K <balajitk@ti.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * This program is free software; you can redistribute it and/or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * modify it under the terms of the GNU General Public License as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * published by the Free Software Foundation version 2.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * This program is distributed "as is" WITHOUT ANY WARRANTY of any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * kind, whether express or implied; without even the implied warranty
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * GNU General Public License for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/mfd/syscon.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/regulator/driver.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/regulator/machine.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/regulator/of_regulator.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/of_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct pbias_reg_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) u32 enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) u32 enable_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) u32 disable_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) u32 vmode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) unsigned int enable_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) const unsigned int *pbias_volt_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) int n_voltages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) struct pbias_of_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) unsigned int offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static const unsigned int pbias_volt_table_3_0V[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 1800000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 3000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static const unsigned int pbias_volt_table_3_3V[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 1800000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 3300000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static const struct regulator_ops pbias_regulator_voltage_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .list_voltage = regulator_list_voltage_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .get_voltage_sel = regulator_get_voltage_sel_regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) .set_voltage_sel = regulator_set_voltage_sel_regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) .enable = regulator_enable_regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) .disable = regulator_disable_regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) .is_enabled = regulator_is_enabled_regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) static const struct pbias_reg_info pbias_mmc_omap2430 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) .enable = BIT(1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) .enable_mask = BIT(1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) .vmode = BIT(0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) .disable_val = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) .enable_time = 100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) .pbias_volt_table = pbias_volt_table_3_0V,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) .n_voltages = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) .name = "pbias_mmc_omap2430"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) static const struct pbias_reg_info pbias_sim_omap3 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) .enable = BIT(9),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) .enable_mask = BIT(9),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) .vmode = BIT(8),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) .enable_time = 100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) .pbias_volt_table = pbias_volt_table_3_0V,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) .n_voltages = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) .name = "pbias_sim_omap3"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) static const struct pbias_reg_info pbias_mmc_omap4 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) .enable = BIT(26) | BIT(22),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) .enable_mask = BIT(26) | BIT(25) | BIT(22),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) .disable_val = BIT(25),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) .vmode = BIT(21),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) .enable_time = 100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) .pbias_volt_table = pbias_volt_table_3_0V,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) .n_voltages = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) .name = "pbias_mmc_omap4"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) static const struct pbias_reg_info pbias_mmc_omap5 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) .enable = BIT(27) | BIT(26),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) .enable_mask = BIT(27) | BIT(25) | BIT(26),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) .disable_val = BIT(25),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) .vmode = BIT(21),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) .enable_time = 100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) .pbias_volt_table = pbias_volt_table_3_3V,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) .n_voltages = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) .name = "pbias_mmc_omap5"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) static struct of_regulator_match pbias_matches[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) { .name = "pbias_mmc_omap2430", .driver_data = (void *)&pbias_mmc_omap2430},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) { .name = "pbias_sim_omap3", .driver_data = (void *)&pbias_sim_omap3},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) { .name = "pbias_mmc_omap4", .driver_data = (void *)&pbias_mmc_omap4},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) { .name = "pbias_mmc_omap5", .driver_data = (void *)&pbias_mmc_omap5},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) #define PBIAS_NUM_REGS ARRAY_SIZE(pbias_matches)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) /* Offset from SCM general area (and syscon) base */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) static const struct pbias_of_data pbias_of_data_omap2 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) .offset = 0x230,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) static const struct pbias_of_data pbias_of_data_omap3 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) .offset = 0x2b0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) static const struct pbias_of_data pbias_of_data_omap4 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) .offset = 0x60,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) static const struct pbias_of_data pbias_of_data_omap5 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) .offset = 0x60,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) static const struct pbias_of_data pbias_of_data_dra7 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) .offset = 0xe00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) static const struct of_device_id pbias_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) { .compatible = "ti,pbias-omap", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) { .compatible = "ti,pbias-omap2", .data = &pbias_of_data_omap2, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) { .compatible = "ti,pbias-omap3", .data = &pbias_of_data_omap3, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) { .compatible = "ti,pbias-omap4", .data = &pbias_of_data_omap4, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) { .compatible = "ti,pbias-omap5", .data = &pbias_of_data_omap5, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) { .compatible = "ti,pbias-dra7", .data = &pbias_of_data_dra7, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) {},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) MODULE_DEVICE_TABLE(of, pbias_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) static int pbias_regulator_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) struct device_node *np = pdev->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) struct resource *res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) struct regulator_config cfg = { };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) struct regulator_desc *desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) struct regulator_dev *rdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) struct regmap *syscon;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) const struct pbias_reg_info *info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) int ret, count, idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) const struct pbias_of_data *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) unsigned int offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) count = of_regulator_match(&pdev->dev, np, pbias_matches,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) PBIAS_NUM_REGS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) if (count < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) desc = devm_kcalloc(&pdev->dev, count, sizeof(*desc), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) if (!desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) syscon = syscon_regmap_lookup_by_phandle(np, "syscon");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) if (IS_ERR(syscon))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) return PTR_ERR(syscon);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) data = of_device_get_match_data(&pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) if (data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) offset = data->offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) if (!res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) offset = res->start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) dev_WARN(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) "using legacy dt data for pbias offset\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) cfg.regmap = syscon;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) cfg.dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) for (idx = 0; idx < PBIAS_NUM_REGS && count; idx++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) if (!pbias_matches[idx].init_data ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) !pbias_matches[idx].of_node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) info = pbias_matches[idx].driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) if (!info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) desc->name = info->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) desc->owner = THIS_MODULE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) desc->type = REGULATOR_VOLTAGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) desc->ops = &pbias_regulator_voltage_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) desc->volt_table = info->pbias_volt_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) desc->n_voltages = info->n_voltages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) desc->enable_time = info->enable_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) desc->vsel_reg = offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) desc->vsel_mask = info->vmode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) desc->enable_reg = offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) desc->enable_mask = info->enable_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) desc->enable_val = info->enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) desc->disable_val = info->disable_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) cfg.init_data = pbias_matches[idx].init_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) cfg.of_node = pbias_matches[idx].of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) rdev = devm_regulator_register(&pdev->dev, desc, &cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) if (IS_ERR(rdev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) ret = PTR_ERR(rdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) dev_err(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) "Failed to register regulator: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) desc++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) static struct platform_driver pbias_regulator_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) .probe = pbias_regulator_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) .name = "pbias-regulator",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) .of_match_table = of_match_ptr(pbias_of_match),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) module_platform_driver(pbias_regulator_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) MODULE_AUTHOR("Balaji T K <balajitk@ti.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) MODULE_DESCRIPTION("pbias voltage regulator");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) MODULE_ALIAS("platform:pbias-regulator");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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