// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2015, Sony Mobile Communications AB.
* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
*/
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/of_regulator.h>
#include <linux/soc/qcom/smd-rpm.h>
struct qcom_rpm_reg {
struct device *dev;
struct qcom_smd_rpm *rpm;
u32 type;
u32 id;
struct regulator_desc desc;
int is_enabled;
int uV;
u32 load;
unsigned int enabled_updated:1;
unsigned int uv_updated:1;
unsigned int load_updated:1;
};
struct rpm_regulator_req {
__le32 key;
__le32 nbytes;
__le32 value;
};
#define RPM_KEY_SWEN 0x6e657773 /* "swen" */
#define RPM_KEY_UV 0x00007675 /* "uv" */
#define RPM_KEY_MA 0x0000616d /* "ma" */
static int rpm_reg_write_active(struct qcom_rpm_reg *vreg)
{
struct rpm_regulator_req req[3];
int reqlen = 0;
int ret;
if (vreg->enabled_updated) {
req[reqlen].key = cpu_to_le32(RPM_KEY_SWEN);
