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

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2014-2015 Samsung Electronics
 * Przemyslaw Marczak <p.marczak@samsung.com>
 */
#include <command.h>
#include <errno.h>
#include <dm.h>
#include <dm/uclass-internal.h>
#include <linux/printk.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);
		}
		fallthrough;
	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, int status)
{
	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(" %i", status);
	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 %s\n", "Name", "Enabled", "uV", "mA",
	       "Mode", "Status");
	for (ret = uclass_first_device_check(UCLASS_REGULATOR, &dev); dev;
	     ret = uclass_next_device_check(&dev))
		do_status_line(dev, ret);

	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 <p.marczak@samsung.com>
6262b72b	5	*/
09140113	6	#include <command.h>
6262b72b PM	7	#include <errno.h>
	8	#include <dm.h>
	9	#include <dm/uclass-internal.h>
1e94b46f	10	#include <linux/printk.h>
6262b72b PM	11	#include <power/regulator.h>
6262b72b PM	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	}
16abdd42	40	fallthrough;
6262b72b	41	case 1:
e09b2a02 PM	42	if (!currdev) {
	43	printf("Regulator device is not set!\n\n");
	44	return CMD_RET_USAGE;
	45	}
	46
caa4daa2	47	uc_pdata = dev_get_uclass_plat(currdev);
e09b2a02 PM	48	if (!uc_pdata) {
	49	printf("%s: no regulator platform data!\n", currdev->name);
	50	return failure(ret);
	51	}
6262b72b	52
e09b2a02	53	printf("dev: %s @ %s\n", uc_pdata->name, currdev->name);
6262b72b PM	54	}
	55
	56	return CMD_RET_SUCCESS;
6262b72b PM	57	}
6262b72b PM	58
8a8d24bd SG	59	static int curr_dev_and_plat(struct udevice **devp,
	60	struct dm_regulator_uclass_plat **uc_pdata,
	61	bool allow_type_fixed)
6262b72b PM	62	{
	63	*devp = NULL;
	64	*uc_pdata = NULL;
	65
e09b2a02 PM	66	if (!currdev) {
	67	printf("First, set the regulator device!\n");
	68	return CMD_RET_FAILURE;
	69	}
6262b72b PM	70
	71	*devp = currdev;
	72
caa4daa2	73	uc_pdata = dev_get_uclass_plat(devp);
e09b2a02	74	if (!*uc_pdata) {
71002b50	75	pr_err("Regulator: %s - missing platform data!\n", currdev->name);
e09b2a02 PM	76	return CMD_RET_FAILURE;
e09b2a02 PM	77	}
6262b72b PM	78
	79	if (!allow_type_fixed && (*uc_pdata)->type == REGULATOR_TYPE_FIXED) {
	80	printf("Operation not allowed for fixed regulator!\n");
	81	return CMD_RET_FAILURE;
	82	}
	83
	84	return CMD_RET_SUCCESS;
	85	}
	86
09140113 SG	87	static int do_list(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	88	char *const argv[])
6262b72b	89	{
caa4daa2	90	struct dm_regulator_uclass_plat *uc_pdata;
e09b2a02	91	struct udevice *dev;
6262b72b PM	92	int ret;
6262b72b PM	93
e09b2a02 PM	94	printf("\| %-.s\| %-.s\| %s\n",
	95	LIMIT_DEVNAME, LIMIT_DEVNAME, "Device",
	96	LIMIT_OFNAME, LIMIT_OFNAME, "regulator-name",
	97	"Parent");
6262b72b	98
e09b2a02 PM	99	for (ret = uclass_find_first_device(UCLASS_REGULATOR, &dev); dev;
	100	ret = uclass_find_next_device(&dev)) {
	101	if (ret)
	102	continue;
6262b72b	103
caa4daa2	104	uc_pdata = dev_get_uclass_plat(dev);
e09b2a02 PM	105	printf("\| %-.s\| %-.s\| %s\n",
	106	LIMIT_DEVNAME, LIMIT_DEVNAME, dev->name,
	107	LIMIT_OFNAME, LIMIT_OFNAME, uc_pdata->name,
	108	dev->parent->name);
	109	}
	110
	111	return ret;
6262b72b PM	112	}
	113
	114	static int constraint(const char name, int val, const char val_name)
	115	{
	116	printf("%-*s", LIMIT_INFO, name);
	117	if (val < 0) {
	118	printf(" %s (err: %d)\n", errno_str(val), val);
	119	return val;
	120	}
	121
	122	if (val_name)
	123	printf(" %d (%s)\n", val, val_name);
	124	else
	125	printf(" %d\n", val);
	126
	127	return 0;
	128	}
	129
	130	static const char get_mode_name(struct dm_regulator_mode mode,
	131	int mode_count,
	132	int mode_id)
	133	{
	134	while (mode_count--) {
	135	if (mode->id == mode_id)
	136	return mode->name;
	137	mode++;
	138	}
	139
	140	return NULL;
	141	}
	142
09140113 SG	143	static int do_info(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	144	char *const argv[])
6262b72b PM	145	{
6262b72b PM	146	struct udevice *dev;
caa4daa2	147	struct dm_regulator_uclass_plat *uc_pdata;
6262b72b PM	148	struct dm_regulator_mode *modes;
	149	const char *parent_uc;
	150	int mode_count;
	151	int ret;
	152	int i;
	153
8a8d24bd	154	ret = curr_dev_and_plat(&dev, &uc_pdata, true);
6262b72b PM	155	if (ret)
	156	return ret;
	157
	158	parent_uc = dev_get_uclass_name(dev->parent);
	159
e09b2a02 PM	160	printf("%s\n%-s %s\n%-s %s\n%-s %s\n%-s %s\n%-*s\n",
	161	"Regulator info:",
	162	LIMIT_INFO, "* regulator-name:", uc_pdata->name,
	163	LIMIT_INFO, "* device name:", dev->name,
	164	LIMIT_INFO, "* parent name:", dev->parent->name,
	165	LIMIT_INFO, "* parent uclass:", parent_uc,
6262b72b PM	166	LIMIT_INFO, "* constraints:");
	167
	168	constraint(" - min uV:", uc_pdata->min_uV, NULL);
	169	constraint(" - max uV:", uc_pdata->max_uV, NULL);
	170	constraint(" - min uA:", uc_pdata->min_uA, NULL);
	171	constraint(" - max uA:", uc_pdata->max_uA, NULL);
	172	constraint(" - always on:", uc_pdata->always_on,
	173	uc_pdata->always_on ? "true" : "false");
	174	constraint(" - boot on:", uc_pdata->boot_on,
	175	uc_pdata->boot_on ? "true" : "false");
	176
	177	mode_count = regulator_mode(dev, &modes);
	178	constraint("* op modes:", mode_count, NULL);
	179
	180	for (i = 0; i < mode_count; i++, modes++)
	181	constraint(" - mode id:", modes->id, modes->name);
	182
	183	return CMD_RET_SUCCESS;
	184	}
	185
931b24c5	186	static void do_status_detail(struct udevice *dev,
caa4daa2	187	struct dm_regulator_uclass_plat *uc_pdata)
6262b72b	188	{
931b24c5 SG	189	int current, value, mode;
931b24c5 SG	190	const char *mode_name;
6262b72b PM	191	bool enabled;
6262b72b PM	192
e09b2a02 PM	193	printf("Regulator %s status:\n", uc_pdata->name);
e09b2a02 PM	194
6262b72b PM	195	enabled = regulator_get_enable(dev);
	196	constraint(" * enable:", enabled, enabled ? "true" : "false");
	197
	198	value = regulator_get_value(dev);
	199	constraint(" * value uV:", value, NULL);
	200
	201	current = regulator_get_current(dev);
	202	constraint(" * current uA:", current, NULL);
	203
	204	mode = regulator_get_mode(dev);
	205	mode_name = get_mode_name(uc_pdata->mode, uc_pdata->mode_count, mode);
	206	constraint(" * mode id:", mode, mode_name);
931b24c5 SG	207	}
931b24c5 SG	208
8676ae36	209	static void do_status_line(struct udevice *dev, int status)
931b24c5	210	{
caa4daa2	211	struct dm_regulator_uclass_plat *pdata;
931b24c5 SG	212	int current, value, mode;
	213	const char *mode_name;
	214	bool enabled;
	215
caa4daa2	216	pdata = dev_get_uclass_plat(dev);
931b24c5 SG	217	enabled = regulator_get_enable(dev);
	218	value = regulator_get_value(dev);
	219	current = regulator_get_current(dev);
	220	mode = regulator_get_mode(dev);
	221	mode_name = get_mode_name(pdata->mode, pdata->mode_count, mode);
	222	printf("%-20s %-10s ", pdata->name, enabled ? "enabled" : "disabled");
	223	if (value >= 0)
	224	printf("%10d ", value);
	225	else
	226	printf("%10s ", "-");
	227	if (current >= 0)
	228	printf("%10d ", current);
	229	else
	230	printf("%10s ", "-");
	231	if (mode >= 0)
	232	printf("%-10s", mode_name);
	233	else
	234	printf("%-10s", "-");
8676ae36	235	printf(" %i", status);
931b24c5 SG	236	printf("\n");
	237	}
	238
09140113 SG	239	static int do_status(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	240	char *const argv[])
931b24c5	241	{
caa4daa2	242	struct dm_regulator_uclass_plat *uc_pdata;
931b24c5 SG	243	struct udevice *dev;
	244	int ret;
	245
	246	if (currdev && (argc < 2 \|\| strcmp(argv[1], "-a"))) {
8a8d24bd	247	ret = curr_dev_and_plat(&dev, &uc_pdata, true);
931b24c5 SG	248	if (ret)
	249	return CMD_RET_FAILURE;
	250	do_status_detail(dev, uc_pdata);
	251	return 0;
	252	}
	253
	254	/* Show all of them in a list, probing them as needed */
8676ae36 MS	255	printf("%-20s %-10s %10s %10s %-10s %s\n", "Name", "Enabled", "uV", "mA",
	256	"Mode", "Status");
	257	for (ret = uclass_first_device_check(UCLASS_REGULATOR, &dev); dev;
	258	ret = uclass_next_device_check(&dev))
	259	do_status_line(dev, ret);
6262b72b PM	260
	261	return CMD_RET_SUCCESS;
	262	}
	263
09140113 SG	264	static int do_value(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	265	char *const argv[])
6262b72b PM	266	{
6262b72b PM	267	struct udevice *dev;
caa4daa2	268	struct dm_regulator_uclass_plat *uc_pdata;
6262b72b PM	269	int value;
	270	int force;
	271	int ret;
	272
8a8d24bd	273	ret = curr_dev_and_plat(&dev, &uc_pdata, argc == 1);
6262b72b PM	274	if (ret)
	275	return ret;
	276
	277	if (argc == 1) {
e09b2a02 PM	278	ret = regulator_get_value(dev);
	279	if (ret < 0) {
	280	printf("Regulator: %s - can't get the Voltage!\n",
	281	uc_pdata->name);
	282	return failure(ret);
	283	}
6262b72b	284
e09b2a02	285	printf("%d uV\n", ret);
6262b72b PM	286	return CMD_RET_SUCCESS;
	287	}
	288
	289	if (argc == 3)
	290	force = !strcmp("-f", argv[2]);
	291	else
	292	force = 0;
	293
	294	value = simple_strtoul(argv[1], NULL, 0);
	295	if ((value < uc_pdata->min_uV \|\| value > uc_pdata->max_uV) && !force) {
224d1ddc SG	296	printf("Value exceeds regulator constraint limits %d..%d uV\n",
224d1ddc SG	297	uc_pdata->min_uV, uc_pdata->max_uV);
6262b72b PM	298	return CMD_RET_FAILURE;
	299	}
	300
2f5d532f K	301	if (!force)
	302	ret = regulator_set_value(dev, value);
	303	else
	304	ret = regulator_set_value_force(dev, value);
e09b2a02 PM	305	if (ret) {
	306	printf("Regulator: %s - can't set the Voltage!\n",
	307	uc_pdata->name);
	308	return failure(ret);
	309	}
6262b72b PM	310
	311	return CMD_RET_SUCCESS;
	312	}
	313
09140113 SG	314	static int do_current(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	315	char *const argv[])
6262b72b PM	316	{
6262b72b PM	317	struct udevice *dev;
caa4daa2	318	struct dm_regulator_uclass_plat *uc_pdata;
6262b72b PM	319	int current;
	320	int ret;
	321
8a8d24bd	322	ret = curr_dev_and_plat(&dev, &uc_pdata, argc == 1);
6262b72b PM	323	if (ret)
	324	return ret;
	325
	326	if (argc == 1) {
e09b2a02 PM	327	ret = regulator_get_current(dev);
	328	if (ret < 0) {
	329	printf("Regulator: %s - can't get the Current!\n",
	330	uc_pdata->name);
	331	return failure(ret);
	332	}
6262b72b	333
e09b2a02	334	printf("%d uA\n", ret);
6262b72b PM	335	return CMD_RET_SUCCESS;
	336	}
	337
	338	current = simple_strtoul(argv[1], NULL, 0);
	339	if (current < uc_pdata->min_uA \|\| current > uc_pdata->max_uA) {
	340	printf("Current exceeds regulator constraint limits\n");
	341	return CMD_RET_FAILURE;
	342	}
	343
	344	ret = regulator_set_current(dev, current);
e09b2a02 PM	345	if (ret) {
	346	printf("Regulator: %s - can't set the Current!\n",
	347	uc_pdata->name);
	348	return failure(ret);
	349	}
6262b72b PM	350
	351	return CMD_RET_SUCCESS;
	352	}
	353
09140113 SG	354	static int do_mode(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	355	char *const argv[])
6262b72b PM	356	{
6262b72b PM	357	struct udevice *dev;
caa4daa2	358	struct dm_regulator_uclass_plat *uc_pdata;
6262b72b PM	359	int mode;
	360	int ret;
	361
8a8d24bd	362	ret = curr_dev_and_plat(&dev, &uc_pdata, false);
6262b72b PM	363	if (ret)
	364	return ret;
	365
	366	if (argc == 1) {
e09b2a02 PM	367	ret = regulator_get_mode(dev);
	368	if (ret < 0) {
	369	printf("Regulator: %s - can't get the operation mode!\n",
	370	uc_pdata->name);
	371	return failure(ret);
	372	}
6262b72b	373
e09b2a02	374	printf("mode id: %d\n", ret);
6262b72b PM	375	return CMD_RET_SUCCESS;
	376	}
	377
e09b2a02	378	mode = simple_strtoul(argv[1], NULL, 0);
6262b72b	379
e09b2a02 PM	380	ret = regulator_set_mode(dev, mode);
	381	if (ret) {
	382	printf("Regulator: %s - can't set the operation mode!\n",
	383	uc_pdata->name);
	384	return failure(ret);
	385	}
6262b72b PM	386
	387	return CMD_RET_SUCCESS;
	388	}
	389
09140113 SG	390	static int do_enable(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	391	char *const argv[])
6262b72b PM	392	{
6262b72b PM	393	struct udevice *dev;
caa4daa2	394	struct dm_regulator_uclass_plat *uc_pdata;
6262b72b PM	395	int ret;
6262b72b PM	396
8a8d24bd	397	ret = curr_dev_and_plat(&dev, &uc_pdata, true);
6262b72b PM	398	if (ret)
	399	return ret;
	400
	401	ret = regulator_set_enable(dev, true);
e09b2a02 PM	402	if (ret) {
	403	printf("Regulator: %s - can't enable!\n", uc_pdata->name);
	404	return failure(ret);
	405	}
6262b72b PM	406
	407	return CMD_RET_SUCCESS;
	408	}
	409
09140113 SG	410	static int do_disable(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	411	char *const argv[])
6262b72b PM	412	{
6262b72b PM	413	struct udevice *dev;
caa4daa2	414	struct dm_regulator_uclass_plat *uc_pdata;
6262b72b PM	415	int ret;
6262b72b PM	416
8a8d24bd	417	ret = curr_dev_and_plat(&dev, &uc_pdata, true);
6262b72b PM	418	if (ret)
	419	return ret;
	420
	421	ret = regulator_set_enable(dev, false);
e09b2a02 PM	422	if (ret) {
	423	printf("Regulator: %s - can't disable!\n", uc_pdata->name);
	424	return failure(ret);
	425	}
6262b72b PM	426
	427	return CMD_RET_SUCCESS;
	428	}
	429
09140113	430	static struct cmd_tbl subcmd[] = {
6262b72b PM	431	U_BOOT_CMD_MKENT(dev, 2, 1, do_dev, "", ""),
	432	U_BOOT_CMD_MKENT(list, 1, 1, do_list, "", ""),
	433	U_BOOT_CMD_MKENT(info, 2, 1, do_info, "", ""),
	434	U_BOOT_CMD_MKENT(status, 2, 1, do_status, "", ""),
	435	U_BOOT_CMD_MKENT(value, 3, 1, do_value, "", ""),
	436	U_BOOT_CMD_MKENT(current, 3, 1, do_current, "", ""),
	437	U_BOOT_CMD_MKENT(mode, 2, 1, do_mode, "", ""),
	438	U_BOOT_CMD_MKENT(enable, 1, 1, do_enable, "", ""),
	439	U_BOOT_CMD_MKENT(disable, 1, 1, do_disable, "", ""),
	440	};
	441
09140113 SG	442	static int do_regulator(struct cmd_tbl *cmdtp, int flag, int argc,
09140113 SG	443	char *const argv[])
6262b72b	444	{
09140113	445	struct cmd_tbl *cmd;
6262b72b PM	446
	447	argc--;
	448	argv++;
	449
	450	cmd = find_cmd_tbl(argv[0], subcmd, ARRAY_SIZE(subcmd));
	451	if (cmd == NULL \|\| argc > cmd->maxargs)
	452	return CMD_RET_USAGE;
	453
	454	return cmd->cmd(cmdtp, flag, argc, argv);
	455	}
	456
	457	U_BOOT_CMD(regulator, CONFIG_SYS_MAXARGS, 1, do_regulator,
	458	"uclass operations",
e09b2a02 PM	459	"list - list UCLASS regulator devices\n"
	460	"regulator dev [regulator-name] - show/[set] operating regulator device\n"
	461	"regulator info - print constraints info\n"
931b24c5	462	"regulator status [-a] - print operating status [for all]\n"
e09b2a02 PM	463	"regulator value [val] [-f] - print/[set] voltage value [uV] (force)\n"
	464	"regulator current [val] - print/[set] current value [uA]\n"
	465	"regulator mode [id] - print/[set] operating mode id\n"
	466	"regulator enable - enable the regulator output\n"
	467	"regulator disable - disable the regulator output\n"
6262b72b	468	);