[J-u-boot.git] / cmd / regulator.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2014-2015 Samsung Electronics
 * Przemyslaw Marczak <[email protected]>
 */
#include <common.h>
#include <command.h>
#include <errno.h>
#include <dm.h>
#include <dm/uclass-internal.h>
#include <power/regulator.h>

#define LIMIT_DEVNAME	20
#define LIMIT_OFNAME	32
#define LIMIT_INFO	18

static struct udevice *currdev;

static int failure(int ret)
{
	printf("Error: %d (%s)\n", ret, errno_str(ret));

	return CMD_RET_FAILURE;
}

static int do_dev(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
	struct dm_regulator_uclass_plat *uc_pdata;
	const char *name;
	int ret = -ENXIO;

	switch (argc) {
	case 2:
		name = argv[1];
		ret = regulator_get_by_platname(name, &currdev);
		if (ret) {
			printf("Can't get the regulator: %s!\n", name);
			return failure(ret);
		}
	case 1:
		if (!currdev) {
			printf("Regulator device is not set!\n\n");
			return CMD_RET_USAGE;
		}

		uc_pdata = dev_get_uclass_plat(currdev);
		if (!uc_pdata) {
			printf("%s: no regulator platform data!\n", currdev->name);
			return failure(ret);
		}

		printf("dev: %s @ %s\n", uc_pdata->name, currdev->name);
	}

	return CMD_RET_SUCCESS;
}

static int curr_dev_and_plat(struct udevice **devp,
			     struct dm_regulator_uclass_plat **uc_pdata,
			     bool allow_type_fixed)
{
	*devp = NULL;
	*uc_pdata = NULL;

	if (!currdev) {
		printf("First, set the regulator device!\n");
		return CMD_RET_FAILURE;
	}

	*devp = currdev;

	*uc_pdata = dev_get_uclass_plat(*devp);
	if (!*uc_pdata) {
		pr_err("Regulator: %s - missing platform data!\n", currdev->name);
		return CMD_RET_FAILURE;
	}

	if (!allow_type_fixed && (*uc_pdata)->type == REGULATOR_TYPE_FIXED) {
		printf("Operation not allowed for fixed regulator!\n");
		return CMD_RET_FAILURE;
	}

	return CMD_RET_SUCCESS;
}

static int do_list(struct cmd_tbl *cmdtp, int flag, int argc,
		   char *const argv[])
{
	struct dm_regulator_uclass_plat *uc_pdata;
	struct udevice *dev;
	int ret;

	printf("| %-*.*s| %-*.*s| %s\n",
	       LIMIT_DEVNAME, LIMIT_DEVNAME, "Device",
	       LIMIT_OFNAME, LIMIT_OFNAME, "regulator-name",
	       "Parent");

	for (ret = uclass_find_first_device(UCLASS_REGULATOR, &dev); dev;
	     ret = uclass_find_next_device(&dev)) {
		if (ret)
			continue;

		uc_pdata = dev_get_uclass_plat(dev);
		printf("| %-*.*s| %-*.*s| %s\n",
		       LIMIT_DEVNAME, LIMIT_DEVNAME, dev->name,
		       LIMIT_OFNAME, LIMIT_OFNAME, uc_pdata->name,
		       dev->parent->name);
	}

	return ret;
}

static int constraint(const char *name, int val, const char *val_name)
{
	printf("%-*s", LIMIT_INFO, name);
	if (val < 0) {
		printf(" %s (err: %d)\n", errno_str(val), val);
		return val;
	}

	if (val_name)
		printf(" %d (%s)\n", val, val_name);
	else
		printf(" %d\n", val);

	return 0;
}

static const char *get_mode_name(struct dm_regulator_mode *mode,
				 int mode_count,
				 int mode_id)
{
	while (mode_count--) {
		if (mode->id == mode_id)
			return mode->name;
		mode++;
	}

	return NULL;
}

static int do_info(struct cmd_tbl *cmdtp, int flag, int argc,
		   char *const argv[])
{
	struct udevice *dev;
	struct dm_regulator_uclass_plat *uc_pdata;
	struct dm_regulator_mode *modes;
	const char *parent_uc;
	int mode_count;
	int ret;
	int i;

	ret = curr_dev_and_plat(&dev, &uc_pdata, true);
	if (ret)
		return ret;

	parent_uc = dev_get_uclass_name(dev->parent);

	printf("%s\n%-*s %s\n%-*s %s\n%-*s %s\n%-*s %s\n%-*s\n",
	       "Regulator info:",
	       LIMIT_INFO, "* regulator-name:", uc_pdata->name,
	       LIMIT_INFO, "* device name:", dev->name,
	       LIMIT_INFO, "* parent name:", dev->parent->name,
	       LIMIT_INFO, "* parent uclass:", parent_uc,
	       LIMIT_INFO, "* constraints:");

	constraint("  - min uV:", uc_pdata->min_uV, NULL);
	constraint("  - max uV:", uc_pdata->max_uV, NULL);
	constraint("  - min uA:", uc_pdata->min_uA, NULL);
	constraint("  - max uA:", uc_pdata->max_uA, NULL);
	constraint("  - always on:", uc_pdata->always_on,
		   uc_pdata->always_on ? "true" : "false");
	constraint("  - boot on:", uc_pdata->boot_on,
		   uc_pdata->boot_on ? "true" : "false");

	mode_count = regulator_mode(dev, &modes);
	constraint("* op modes:", mode_count, NULL);

	for (i = 0; i < mode_count; i++, modes++)
		constraint("  - mode id:", modes->id, modes->name);

	return CMD_RET_SUCCESS;
}

static void do_status_detail(struct udevice *dev,
			     struct dm_regulator_uclass_plat *uc_pdata)
{
	int current, value, mode;
	const char *mode_name;
	bool enabled;

	printf("Regulator %s status:\n", uc_pdata->name);

	enabled = regulator_get_enable(dev);
	constraint(" * enable:", enabled, enabled ? "true" : "false");

	value = regulator_get_value(dev);
	constraint(" * value uV:", value, NULL);

	current = regulator_get_current(dev);
	constraint(" * current uA:", current, NULL);

	mode = regulator_get_mode(dev);
	mode_name = get_mode_name(uc_pdata->mode, uc_pdata->mode_count, mode);
	constraint(" * mode id:", mode, mode_name);
}

static void do_status_line(struct udevice *dev)
{
	struct dm_regulator_uclass_plat *pdata;
	int current, value, mode;
	const char *mode_name;
	bool enabled;

	pdata = dev_get_uclass_plat(dev);
	enabled = regulator_get_enable(dev);
	value = regulator_get_value(dev);
	current = regulator_get_current(dev);
	mode = regulator_get_mode(dev);
	mode_name = get_mode_name(pdata->mode, pdata->mode_count, mode);
	printf("%-20s %-10s ", pdata->name, enabled ? "enabled" : "disabled");
	if (value >= 0)
		printf("%10d ", value);
	else
		printf("%10s ", "-");
	if (current >= 0)
		printf("%10d ", current);
	else
		printf("%10s ", "-");
	if (mode >= 0)
		printf("%-10s", mode_name);
	else
		printf("%-10s", "-");
	printf("\n");
}

static int do_status(struct cmd_tbl *cmdtp, int flag, int argc,
		     char *const argv[])
{
	struct dm_regulator_uclass_plat *uc_pdata;
	struct udevice *dev;
	int ret;

	if (currdev && (argc < 2 || strcmp(argv[1], "-a"))) {
		ret = curr_dev_and_plat(&dev, &uc_pdata, true);
		if (ret)
			return CMD_RET_FAILURE;
		do_status_detail(dev, uc_pdata);
		return 0;
	}

	/* Show all of them in a list, probing them as needed */
	printf("%-20s %-10s %10s %10s %-10s\n", "Name", "Enabled", "uV", "mA",
	       "Mode");
	for (ret = uclass_first_device(UCLASS_REGULATOR, &dev); dev;
	     ret = uclass_next_device(&dev))
		do_status_line(dev);

	return CMD_RET_SUCCESS;
}

static int do_value(struct cmd_tbl *cmdtp, int flag, int argc,
		    char *const argv[])
{
	struct udevice *dev;
	struct dm_regulator_uclass_plat *uc_pdata;
	int value;
	int force;
	int ret;

	ret = curr_dev_and_plat(&dev, &uc_pdata, argc == 1);
	if (ret)
		return ret;

	if (argc == 1) {
		ret = regulator_get_value(dev);
		if (ret < 0) {
			printf("Regulator: %s - can't get the Voltage!\n",
			       uc_pdata->name);
			return failure(ret);
		}

		printf("%d uV\n", ret);
		return CMD_RET_SUCCESS;
	}

	if (argc == 3)
		force = !strcmp("-f", argv[2]);
	else
		force = 0;

	value = simple_strtoul(argv[1], NULL, 0);
	if ((value < uc_pdata->min_uV || value > uc_pdata->max_uV) && !force) {
		printf("Value exceeds regulator constraint limits %d..%d uV\n",
		       uc_pdata->min_uV, uc_pdata->max_uV);
		return CMD_RET_FAILURE;
	}

	if (!force)
		ret = regulator_set_value(dev, value);
	else
		ret = regulator_set_value_force(dev, value);
	if (ret) {
		printf("Regulator: %s - can't set the Voltage!\n",
		       uc_pdata->name);
		return failure(ret);
	}

	return CMD_RET_SUCCESS;
}

static int do_current(struct cmd_tbl *cmdtp, int flag, int argc,
		      char *const argv[])
{
	struct udevice *dev;
	struct dm_regulator_uclass_plat *uc_pdata;
	int current;
	int ret;

	ret = curr_dev_and_plat(&dev, &uc_pdata, argc == 1);
	if (ret)
		return ret;

	if (argc == 1) {
		ret = regulator_get_current(dev);
		if (ret < 0) {
			printf("Regulator: %s - can't get the Current!\n",
			       uc_pdata->name);
			return failure(ret);
		}

		printf("%d uA\n", ret);
		return CMD_RET_SUCCESS;
	}

	current = simple_strtoul(argv[1], NULL, 0);
	if (current < uc_pdata->min_uA || current > uc_pdata->max_uA) {
		printf("Current exceeds regulator constraint limits\n");
		return CMD_RET_FAILURE;
	}

	ret = regulator_set_current(dev, current);
	if (ret) {
		printf("Regulator: %s - can't set the Current!\n",
		       uc_pdata->name);
		return failure(ret);
	}

	return CMD_RET_SUCCESS;
}

static int do_mode(struct cmd_tbl *cmdtp, int flag, int argc,
		   char *const argv[])
{
	struct udevice *dev;
	struct dm_regulator_uclass_plat *uc_pdata;
	int mode;
	int ret;

	ret = curr_dev_and_plat(&dev, &uc_pdata, false);
	if (ret)
		return ret;

	if (argc == 1) {
		ret = regulator_get_mode(dev);
		if (ret < 0) {
			printf("Regulator: %s - can't get the operation mode!\n",
			       uc_pdata->name);
			return failure(ret);
		}

		printf("mode id: %d\n", ret);
		return CMD_RET_SUCCESS;
	}

	mode = simple_strtoul(argv[1], NULL, 0);

	ret = regulator_set_mode(dev, mode);
	if (ret) {
		printf("Regulator: %s - can't set the operation mode!\n",
		       uc_pdata->name);
		return failure(ret);
	}

	return CMD_RET_SUCCESS;
}

static int do_enable(struct cmd_tbl *cmdtp, int flag, int argc,
		     char *const argv[])
{
	struct udevice *dev;
	struct dm_regulator_uclass_plat *uc_pdata;
	int ret;

	ret = curr_dev_and_plat(&dev, &uc_pdata, true);
	if (ret)
		return ret;

	ret = regulator_set_enable(dev, true);
	if (ret) {
		printf("Regulator: %s - can't enable!\n", uc_pdata->name);
		return failure(ret);
	}

	return CMD_RET_SUCCESS;
}

static int do_disable(struct cmd_tbl *cmdtp, int flag, int argc,
		      char *const argv[])
{
	struct udevice *dev;
	struct dm_regulator_uclass_plat *uc_pdata;
	int ret;

	ret = curr_dev_and_plat(&dev, &uc_pdata, true);
	if (ret)
		return ret;

	ret = regulator_set_enable(dev, false);
	if (ret) {
		printf("Regulator: %s - can't disable!\n", uc_pdata->name);
		return failure(ret);
	}

	return CMD_RET_SUCCESS;
}

static struct cmd_tbl subcmd[] = {
	U_BOOT_CMD_MKENT(dev, 2, 1, do_dev, "", ""),
	U_BOOT_CMD_MKENT(list, 1, 1, do_list, "", ""),
	U_BOOT_CMD_MKENT(info, 2, 1, do_info, "", ""),
	U_BOOT_CMD_MKENT(status, 2, 1, do_status, "", ""),
	U_BOOT_CMD_MKENT(value, 3, 1, do_value, "", ""),
	U_BOOT_CMD_MKENT(current, 3, 1, do_current, "", ""),
	U_BOOT_CMD_MKENT(mode, 2, 1, do_mode, "", ""),
	U_BOOT_CMD_MKENT(enable, 1, 1, do_enable, "", ""),
	U_BOOT_CMD_MKENT(disable, 1, 1, do_disable, "", ""),
};

static int do_regulator(struct cmd_tbl *cmdtp, int flag, int argc,
			char *const argv[])
{
	struct cmd_tbl *cmd;

	argc--;
	argv++;

	cmd = find_cmd_tbl(argv[0], subcmd, ARRAY_SIZE(subcmd));
	if (cmd == NULL || argc > cmd->maxargs)
		return CMD_RET_USAGE;

	return cmd->cmd(cmdtp, flag, argc, argv);
}

U_BOOT_CMD(regulator, CONFIG_SYS_MAXARGS, 1, do_regulator,
	"uclass operations",
	"list             - list UCLASS regulator devices\n"
	"regulator dev [regulator-name] - show/[set] operating regulator device\n"
	"regulator info                 - print constraints info\n"
	"regulator status [-a]          - print operating status [for all]\n"
	"regulator value [val] [-f]     - print/[set] voltage value [uV] (force)\n"
	"regulator current [val]        - print/[set] current value [uA]\n"
	"regulator mode [id]            - print/[set] operating mode id\n"
	"regulator enable               - enable the regulator output\n"
	"regulator disable              - disable the regulator output\n"
);
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
6262b72b PM	2	/*
	3	* Copyright (C) 2014-2015 Samsung Electronics
	4	* Przemyslaw Marczak <[email protected]>
6262b72b PM	5	*/
6262b72b PM	6	#include <common.h>
09140113	7	#include <command.h>
6262b72b PM	8	#include <errno.h>
	9	#include <dm.h>
	10	#include <dm/uclass-internal.h>
	11	#include <power/regulator.h>
	12
6262b72b	13	#define LIMIT_DEVNAME 20
e09b2a02 PM	14	#define LIMIT_OFNAME 32
e09b2a02 PM	15	#define LIMIT_INFO 18
6262b72b PM	16
	17	static struct udevice *currdev;
	18
e09b2a02	19	static int failure(int ret)
6262b72b	20	{
e09b2a02	21	printf("Error: %d (%s)\n", ret, errno_str(ret));
6262b72b	22
e09b2a02	23	return CMD_RET_FAILURE;
6262b72b PM	24	}
6262b72b PM	25
09140113	26	static int do_dev(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
6262b72b	27	{
caa4daa2	28	struct dm_regulator_uclass_plat *uc_pdata;
e09b2a02 PM	29	const char *name;
e09b2a02 PM	30	int ret = -ENXIO;
6262b72b PM	31
	32	switch (argc) {
	33	case 2:
e09b2a02 PM	34	name = argv[1];
	35	ret = regulator_get_by_platname(name, &currdev);
	36	if (ret) {
	37	printf("Can't get the regulator: %s!\n", name);
	38	return failure(ret);
	39	}
6262b72b	40	case 1:
e09b2a02 PM	41	if (!currdev) {
	42	printf("Regulator device is not set!\n\n");
	43	return CMD_RET_USAGE;
	44	}
	45
caa4daa2	46	uc_pdata = dev_get_uclass_plat(currdev);
e09b2a02 PM	47	if (!uc_pdata) {
	48	printf("%s: no regulator platform data!\n", currdev->name);
	49	return failure(ret);
	50	}
6262b72b	51
e09b2a02	52	printf("dev: %s @ %s\n", uc_pdata->name, currdev->name);
6262b72b PM	53	}
	54
	55	return CMD_RET_SUCCESS;
6262b72b PM	56	}
6262b72b PM	57
8a8d24bd SG	58	static int curr_dev_and_plat(struct udevice **devp,
	59	struct dm_regulator_uclass_plat **uc_pdata,
	60	bool allow_type_fixed)
6262b72b PM	61	{
	62	*devp = NULL;
	63	*uc_pdata = NULL;
	64
e09b2a02 PM	65	if (!currdev) {
	66	printf("First, set the regulator device!\n");
	67	return CMD_RET_FAILURE;
	68	}
6262b72b PM	69
	70	*devp = currdev;
	71
caa4daa2	72	uc_pdata = dev_get_uclass_plat(devp);
e09b2a02	73	if (!*uc_pdata) {
71002b50	74	pr_err("Regulator: %s - missing platform data!\n", currdev->name);
e09b2a02 PM	75	return CMD_RET_FAILURE;
e09b2a02 PM	76	}
6262b72b PM	77
	78	if (!allow_type_fixed && (*uc_pdata)->type == REGULATOR_TYPE_FIXED) {
	79	printf("Operation not allowed for fixed regulator!\n");
	80	return CMD_RET_FAILURE;
	81	}
	82
	83	return CMD_RET_SUCCESS;
	84	}
	85
09140113 SG	86	static int do_list(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	87	char *const argv[])
6262b72b	88	{
caa4daa2	89	struct dm_regulator_uclass_plat *uc_pdata;
e09b2a02	90	struct udevice *dev;
6262b72b PM	91	int ret;
6262b72b PM	92
e09b2a02 PM	93	printf("\| %-.s\| %-.s\| %s\n",
	94	LIMIT_DEVNAME, LIMIT_DEVNAME, "Device",
	95	LIMIT_OFNAME, LIMIT_OFNAME, "regulator-name",
	96	"Parent");
6262b72b	97
e09b2a02 PM	98	for (ret = uclass_find_first_device(UCLASS_REGULATOR, &dev); dev;
	99	ret = uclass_find_next_device(&dev)) {
	100	if (ret)
	101	continue;
6262b72b	102
caa4daa2	103	uc_pdata = dev_get_uclass_plat(dev);
e09b2a02 PM	104	printf("\| %-.s\| %-.s\| %s\n",
	105	LIMIT_DEVNAME, LIMIT_DEVNAME, dev->name,
	106	LIMIT_OFNAME, LIMIT_OFNAME, uc_pdata->name,
	107	dev->parent->name);
	108	}
	109
	110	return ret;
6262b72b PM	111	}
	112
	113	static int constraint(const char name, int val, const char val_name)
	114	{
	115	printf("%-*s", LIMIT_INFO, name);
	116	if (val < 0) {
	117	printf(" %s (err: %d)\n", errno_str(val), val);
	118	return val;
	119	}
	120
	121	if (val_name)
	122	printf(" %d (%s)\n", val, val_name);
	123	else
	124	printf(" %d\n", val);
	125
	126	return 0;
	127	}
	128
	129	static const char get_mode_name(struct dm_regulator_mode mode,
	130	int mode_count,
	131	int mode_id)
	132	{
	133	while (mode_count--) {
	134	if (mode->id == mode_id)
	135	return mode->name;
	136	mode++;
	137	}
	138
	139	return NULL;
	140	}
	141
09140113 SG	142	static int do_info(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	143	char *const argv[])
6262b72b PM	144	{
6262b72b PM	145	struct udevice *dev;
caa4daa2	146	struct dm_regulator_uclass_plat *uc_pdata;
6262b72b PM	147	struct dm_regulator_mode *modes;
	148	const char *parent_uc;
	149	int mode_count;
	150	int ret;
	151	int i;
	152
8a8d24bd	153	ret = curr_dev_and_plat(&dev, &uc_pdata, true);
6262b72b PM	154	if (ret)
	155	return ret;
	156
	157	parent_uc = dev_get_uclass_name(dev->parent);
	158
e09b2a02 PM	159	printf("%s\n%-s %s\n%-s %s\n%-s %s\n%-s %s\n%-*s\n",
	160	"Regulator info:",
	161	LIMIT_INFO, "* regulator-name:", uc_pdata->name,
	162	LIMIT_INFO, "* device name:", dev->name,
	163	LIMIT_INFO, "* parent name:", dev->parent->name,
	164	LIMIT_INFO, "* parent uclass:", parent_uc,
6262b72b PM	165	LIMIT_INFO, "* constraints:");
	166
	167	constraint(" - min uV:", uc_pdata->min_uV, NULL);
	168	constraint(" - max uV:", uc_pdata->max_uV, NULL);
	169	constraint(" - min uA:", uc_pdata->min_uA, NULL);
	170	constraint(" - max uA:", uc_pdata->max_uA, NULL);
	171	constraint(" - always on:", uc_pdata->always_on,
	172	uc_pdata->always_on ? "true" : "false");
	173	constraint(" - boot on:", uc_pdata->boot_on,
	174	uc_pdata->boot_on ? "true" : "false");
	175
	176	mode_count = regulator_mode(dev, &modes);
	177	constraint("* op modes:", mode_count, NULL);
	178
	179	for (i = 0; i < mode_count; i++, modes++)
	180	constraint(" - mode id:", modes->id, modes->name);
	181
	182	return CMD_RET_SUCCESS;
	183	}
	184
931b24c5	185	static void do_status_detail(struct udevice *dev,
caa4daa2	186	struct dm_regulator_uclass_plat *uc_pdata)
6262b72b	187	{
931b24c5 SG	188	int current, value, mode;
931b24c5 SG	189	const char *mode_name;
6262b72b PM	190	bool enabled;
6262b72b PM	191
e09b2a02 PM	192	printf("Regulator %s status:\n", uc_pdata->name);
e09b2a02 PM	193
6262b72b PM	194	enabled = regulator_get_enable(dev);
	195	constraint(" * enable:", enabled, enabled ? "true" : "false");
	196
	197	value = regulator_get_value(dev);
	198	constraint(" * value uV:", value, NULL);
	199
	200	current = regulator_get_current(dev);
	201	constraint(" * current uA:", current, NULL);
	202
	203	mode = regulator_get_mode(dev);
	204	mode_name = get_mode_name(uc_pdata->mode, uc_pdata->mode_count, mode);
	205	constraint(" * mode id:", mode, mode_name);
931b24c5 SG	206	}
	207
	208	static void do_status_line(struct udevice *dev)
	209	{
caa4daa2	210	struct dm_regulator_uclass_plat *pdata;
931b24c5 SG	211	int current, value, mode;
	212	const char *mode_name;
	213	bool enabled;
	214
caa4daa2	215	pdata = dev_get_uclass_plat(dev);
931b24c5 SG	216	enabled = regulator_get_enable(dev);
	217	value = regulator_get_value(dev);
	218	current = regulator_get_current(dev);
	219	mode = regulator_get_mode(dev);
	220	mode_name = get_mode_name(pdata->mode, pdata->mode_count, mode);
	221	printf("%-20s %-10s ", pdata->name, enabled ? "enabled" : "disabled");
	222	if (value >= 0)
	223	printf("%10d ", value);
	224	else
	225	printf("%10s ", "-");
	226	if (current >= 0)
	227	printf("%10d ", current);
	228	else
	229	printf("%10s ", "-");
	230	if (mode >= 0)
	231	printf("%-10s", mode_name);
	232	else
	233	printf("%-10s", "-");
	234	printf("\n");
	235	}
	236
09140113 SG	237	static int do_status(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	238	char *const argv[])
931b24c5	239	{
caa4daa2	240	struct dm_regulator_uclass_plat *uc_pdata;
931b24c5 SG	241	struct udevice *dev;
	242	int ret;
	243
	244	if (currdev && (argc < 2 \|\| strcmp(argv[1], "-a"))) {
8a8d24bd	245	ret = curr_dev_and_plat(&dev, &uc_pdata, true);
931b24c5 SG	246	if (ret)
	247	return CMD_RET_FAILURE;
	248	do_status_detail(dev, uc_pdata);
	249	return 0;
	250	}
	251
	252	/* Show all of them in a list, probing them as needed */
	253	printf("%-20s %-10s %10s %10s %-10s\n", "Name", "Enabled", "uV", "mA",
	254	"Mode");
	255	for (ret = uclass_first_device(UCLASS_REGULATOR, &dev); dev;
	256	ret = uclass_next_device(&dev))
	257	do_status_line(dev);
6262b72b PM	258
	259	return CMD_RET_SUCCESS;
	260	}
	261
09140113 SG	262	static int do_value(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	263	char *const argv[])
6262b72b PM	264	{
6262b72b PM	265	struct udevice *dev;
caa4daa2	266	struct dm_regulator_uclass_plat *uc_pdata;
6262b72b PM	267	int value;
	268	int force;
	269	int ret;
	270
8a8d24bd	271	ret = curr_dev_and_plat(&dev, &uc_pdata, argc == 1);
6262b72b PM	272	if (ret)
	273	return ret;
	274
	275	if (argc == 1) {
e09b2a02 PM	276	ret = regulator_get_value(dev);
	277	if (ret < 0) {
	278	printf("Regulator: %s - can't get the Voltage!\n",
	279	uc_pdata->name);
	280	return failure(ret);
	281	}
6262b72b	282
e09b2a02	283	printf("%d uV\n", ret);
6262b72b PM	284	return CMD_RET_SUCCESS;
	285	}
	286
	287	if (argc == 3)
	288	force = !strcmp("-f", argv[2]);
	289	else
	290	force = 0;
	291
	292	value = simple_strtoul(argv[1], NULL, 0);
	293	if ((value < uc_pdata->min_uV \|\| value > uc_pdata->max_uV) && !force) {
224d1ddc SG	294	printf("Value exceeds regulator constraint limits %d..%d uV\n",
224d1ddc SG	295	uc_pdata->min_uV, uc_pdata->max_uV);
6262b72b PM	296	return CMD_RET_FAILURE;
	297	}
	298
2f5d532f K	299	if (!force)
	300	ret = regulator_set_value(dev, value);
	301	else
	302	ret = regulator_set_value_force(dev, value);
e09b2a02 PM	303	if (ret) {
	304	printf("Regulator: %s - can't set the Voltage!\n",
	305	uc_pdata->name);
	306	return failure(ret);
	307	}
6262b72b PM	308
	309	return CMD_RET_SUCCESS;
	310	}
	311
09140113 SG	312	static int do_current(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	313	char *const argv[])
6262b72b PM	314	{
6262b72b PM	315	struct udevice *dev;
caa4daa2	316	struct dm_regulator_uclass_plat *uc_pdata;
6262b72b PM	317	int current;
	318	int ret;
	319
8a8d24bd	320	ret = curr_dev_and_plat(&dev, &uc_pdata, argc == 1);
6262b72b PM	321	if (ret)
	322	return ret;
	323
	324	if (argc == 1) {
e09b2a02 PM	325	ret = regulator_get_current(dev);
	326	if (ret < 0) {
	327	printf("Regulator: %s - can't get the Current!\n",
	328	uc_pdata->name);
	329	return failure(ret);
	330	}
6262b72b	331
e09b2a02	332	printf("%d uA\n", ret);
6262b72b PM	333	return CMD_RET_SUCCESS;
	334	}
	335
	336	current = simple_strtoul(argv[1], NULL, 0);
	337	if (current < uc_pdata->min_uA \|\| current > uc_pdata->max_uA) {
	338	printf("Current exceeds regulator constraint limits\n");
	339	return CMD_RET_FAILURE;
	340	}
	341
	342	ret = regulator_set_current(dev, current);
e09b2a02 PM	343	if (ret) {
	344	printf("Regulator: %s - can't set the Current!\n",
	345	uc_pdata->name);
	346	return failure(ret);
	347	}
6262b72b PM	348
	349	return CMD_RET_SUCCESS;
	350	}
	351
09140113 SG	352	static int do_mode(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	353	char *const argv[])
6262b72b PM	354	{
6262b72b PM	355	struct udevice *dev;
caa4daa2	356	struct dm_regulator_uclass_plat *uc_pdata;
6262b72b PM	357	int mode;
	358	int ret;
	359
8a8d24bd	360	ret = curr_dev_and_plat(&dev, &uc_pdata, false);
6262b72b PM	361	if (ret)
	362	return ret;
	363
	364	if (argc == 1) {
e09b2a02 PM	365	ret = regulator_get_mode(dev);
	366	if (ret < 0) {
	367	printf("Regulator: %s - can't get the operation mode!\n",
	368	uc_pdata->name);
	369	return failure(ret);
	370	}
6262b72b	371
e09b2a02	372	printf("mode id: %d\n", ret);
6262b72b PM	373	return CMD_RET_SUCCESS;
	374	}
	375
e09b2a02	376	mode = simple_strtoul(argv[1], NULL, 0);
6262b72b	377
e09b2a02 PM	378	ret = regulator_set_mode(dev, mode);
	379	if (ret) {
	380	printf("Regulator: %s - can't set the operation mode!\n",
	381	uc_pdata->name);
	382	return failure(ret);
	383	}
6262b72b PM	384
	385	return CMD_RET_SUCCESS;
	386	}
	387
09140113 SG	388	static int do_enable(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	389	char *const argv[])
6262b72b PM	390	{
6262b72b PM	391	struct udevice *dev;
caa4daa2	392	struct dm_regulator_uclass_plat *uc_pdata;
6262b72b PM	393	int ret;
6262b72b PM	394
8a8d24bd	395	ret = curr_dev_and_plat(&dev, &uc_pdata, true);
6262b72b PM	396	if (ret)
	397	return ret;
	398
	399	ret = regulator_set_enable(dev, true);
e09b2a02 PM	400	if (ret) {
	401	printf("Regulator: %s - can't enable!\n", uc_pdata->name);
	402	return failure(ret);
	403	}
6262b72b PM	404
	405	return CMD_RET_SUCCESS;
	406	}
	407
09140113 SG	408	static int do_disable(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	409	char *const argv[])
6262b72b PM	410	{
6262b72b PM	411	struct udevice *dev;
caa4daa2	412	struct dm_regulator_uclass_plat *uc_pdata;
6262b72b PM	413	int ret;
6262b72b PM	414
8a8d24bd	415	ret = curr_dev_and_plat(&dev, &uc_pdata, true);
6262b72b PM	416	if (ret)
	417	return ret;
	418
	419	ret = regulator_set_enable(dev, false);
e09b2a02 PM	420	if (ret) {
	421	printf("Regulator: %s - can't disable!\n", uc_pdata->name);
	422	return failure(ret);
	423	}
6262b72b PM	424
	425	return CMD_RET_SUCCESS;
	426	}
	427
09140113	428	static struct cmd_tbl subcmd[] = {
6262b72b PM	429	U_BOOT_CMD_MKENT(dev, 2, 1, do_dev, "", ""),
	430	U_BOOT_CMD_MKENT(list, 1, 1, do_list, "", ""),
	431	U_BOOT_CMD_MKENT(info, 2, 1, do_info, "", ""),
	432	U_BOOT_CMD_MKENT(status, 2, 1, do_status, "", ""),
	433	U_BOOT_CMD_MKENT(value, 3, 1, do_value, "", ""),
	434	U_BOOT_CMD_MKENT(current, 3, 1, do_current, "", ""),
	435	U_BOOT_CMD_MKENT(mode, 2, 1, do_mode, "", ""),
	436	U_BOOT_CMD_MKENT(enable, 1, 1, do_enable, "", ""),
	437	U_BOOT_CMD_MKENT(disable, 1, 1, do_disable, "", ""),
	438	};
	439
09140113 SG	440	static int do_regulator(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	441	char *const argv[])
6262b72b	442	{
09140113	443	struct cmd_tbl *cmd;
6262b72b PM	444
	445	argc--;
	446	argv++;
	447
	448	cmd = find_cmd_tbl(argv[0], subcmd, ARRAY_SIZE(subcmd));
	449	if (cmd == NULL \|\| argc > cmd->maxargs)
	450	return CMD_RET_USAGE;
	451
	452	return cmd->cmd(cmdtp, flag, argc, argv);
	453	}
	454
	455	U_BOOT_CMD(regulator, CONFIG_SYS_MAXARGS, 1, do_regulator,
	456	"uclass operations",
e09b2a02 PM	457	"list - list UCLASS regulator devices\n"
	458	"regulator dev [regulator-name] - show/[set] operating regulator device\n"
	459	"regulator info - print constraints info\n"
931b24c5	460	"regulator status [-a] - print operating status [for all]\n"
e09b2a02 PM	461	"regulator value [val] [-f] - print/[set] voltage value [uV] (force)\n"
	462	"regulator current [val] - print/[set] current value [uA]\n"
	463	"regulator mode [id] - print/[set] operating mode id\n"
	464	"regulator enable - enable the regulator output\n"
	465	"regulator disable - disable the regulator output\n"
6262b72b	466	);