LXR uboot/drivers/spmi/spmi-uclass.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * SPMI bus uclass driver
   4 *
   5 * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
   6 */
   7
   8#include <common.h>
   9#include <dm.h>
  10#include <errno.h>
  11#include <spmi/spmi.h>
  12#include <linux/ctype.h>
  13
  14int spmi_reg_read(struct udevice *dev, int usid, int pid, int reg)
  15{
  16        const struct dm_spmi_ops *ops = dev_get_driver_ops(dev);
  17
  18        if (!ops || !ops->read)
  19                return -ENOSYS;
  20
  21        return ops->read(dev, usid, pid, reg);
  22}
  23
  24int spmi_reg_write(struct udevice *dev, int usid, int pid, int reg,
  25                   uint8_t value)
  26{
  27        const struct dm_spmi_ops *ops = dev_get_driver_ops(dev);
  28
  29        if (!ops || !ops->write)
  30                return -ENOSYS;
  31
  32        return ops->write(dev, usid, pid, reg, value);
  33}
  34
  35UCLASS_DRIVER(spmi) = {
  36        .id             = UCLASS_SPMI,
  37        .name           = "spmi",
  38        .post_bind      = dm_scan_fdt_dev,
  39};
  40