mirror of https://gitee.com/openkylin/linux.git
62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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#include <linux/device.h>
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#include <linux/errno.h>
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#include <linux/i2c.h>
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#include <linux/module.h>
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#include "common.h"
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struct p8_i2c_occ {
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struct occ occ;
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struct i2c_client *client;
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};
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#define to_p8_i2c_occ(x) container_of((x), struct p8_i2c_occ, occ)
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static int p8_i2c_occ_send_cmd(struct occ *occ, u8 *cmd)
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{
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return -EOPNOTSUPP;
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}
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static int p8_i2c_occ_probe(struct i2c_client *client,
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const struct i2c_device_id *id)
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{
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struct occ *occ;
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struct p8_i2c_occ *ctx = devm_kzalloc(&client->dev, sizeof(*ctx),
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GFP_KERNEL);
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if (!ctx)
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return -ENOMEM;
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ctx->client = client;
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occ = &ctx->occ;
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occ->bus_dev = &client->dev;
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dev_set_drvdata(&client->dev, occ);
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occ->poll_cmd_data = 0x10; /* P8 OCC poll data */
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occ->send_cmd = p8_i2c_occ_send_cmd;
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return occ_setup(occ, "p8_occ");
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}
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static const struct of_device_id p8_i2c_occ_of_match[] = {
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{ .compatible = "ibm,p8-occ-hwmon" },
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{}
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};
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MODULE_DEVICE_TABLE(of, p8_i2c_occ_of_match);
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static struct i2c_driver p8_i2c_occ_driver = {
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.class = I2C_CLASS_HWMON,
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.driver = {
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.name = "occ-hwmon",
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.of_match_table = p8_i2c_occ_of_match,
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},
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.probe = p8_i2c_occ_probe,
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};
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module_i2c_driver(p8_i2c_occ_driver);
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MODULE_AUTHOR("Eddie James <eajames@linux.ibm.com>");
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MODULE_DESCRIPTION("BMC P8 OCC hwmon driver");
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MODULE_LICENSE("GPL");
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