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#define LOG_CATEGORY UCLASS_SPMI
   9
  10#include <common.h>
  11#include <dm.h>
  12#include <errno.h>
  13#include <spmi/spmi.h>
  14#include <linux/ctype.h>
  15
  16int spmi_reg_read(struct udevice *dev, int usid, int pid, int reg)
  17{
  18        const struct dm_spmi_ops *ops = dev_get_driver_ops(dev);
  19
  20        if (!ops || !ops->read)
  21                return -ENOSYS;
  22
  23        return ops->read(dev, usid, pid, reg);
  24}
  25
  26int spmi_reg_write(struct udevice *dev, int usid, int pid, int reg,
  27                   uint8_t value)
  28{
  29        const struct dm_spmi_ops *ops = dev_get_driver_ops(dev);
  30
  31        if (!ops || !ops->write)
  32                return -ENOSYS;
  33
  34        return ops->write(dev, usid, pid, reg, value);
  35}
  36
  37UCLASS_DRIVER(spmi) = {
  38        .id             = UCLASS_SPMI,
  39        .name           = "spmi",
  40        .post_bind      = dm_scan_fdt_dev,
  41};
  42