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author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-04-01 18:08:11 +0200 |
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committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-04-04 10:07:11 +0200 |
commit | 0e2e87779ab8699e1c9a82fbf08b9462c34fd974 (patch) | |
tree | 8558b10ab75d547f01e435ff7f5a3d5eb948e4fb /drivers/rtc/rtc-pcf85063.c | |
parent | rtc: pcf85063: switch to regmap (diff) | |
download | linux-0e2e87779ab8699e1c9a82fbf08b9462c34fd974.tar.xz linux-0e2e87779ab8699e1c9a82fbf08b9462c34fd974.zip |
rtc: pcf85063: differentiate pcf85063a and pcf85063tp
As stated in a comment pcf85063a and pcf85063tp don't have the same number
of registers. Especially, pcf85063tp doesn't have alarm support.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc/rtc-pcf85063.c')
-rw-r--r-- | drivers/rtc/rtc-pcf85063.c | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/drivers/rtc/rtc-pcf85063.c b/drivers/rtc/rtc-pcf85063.c index 37be02a17add..cba60e7031c3 100644 --- a/drivers/rtc/rtc-pcf85063.c +++ b/drivers/rtc/rtc-pcf85063.c @@ -30,6 +30,10 @@ #define PCF85063_REG_SC 0x04 /* datetime */ #define PCF85063_REG_SC_OS 0x80 +struct pcf85063_config { + struct regmap_config regmap; +}; + struct pcf85063 { struct rtc_device *rtc; struct regmap *regmap; @@ -147,10 +151,20 @@ static int pcf85063_load_capacitance(struct pcf85063 *pcf85063, PCF85063_REG_CTRL1_CAP_SEL, reg); } -static const struct regmap_config regmap_config = { - .reg_bits = 8, - .val_bits = 8, - .max_register = 0x11, +static const struct pcf85063_config pcf85063a_config = { + .regmap = { + .reg_bits = 8, + .val_bits = 8, + .max_register = 0x11, + }, +}; + +static const struct pcf85063_config pcf85063tp_config = { + .regmap = { + .reg_bits = 8, + .val_bits = 8, + .max_register = 0x0a, + }, }; static int pcf85063_probe(struct i2c_client *client) @@ -158,6 +172,8 @@ static int pcf85063_probe(struct i2c_client *client) struct pcf85063 *pcf85063; unsigned int tmp; int err; + const struct pcf85063_config *config = &pcf85063tp_config; + const void *data = of_device_get_match_data(&client->dev); dev_dbg(&client->dev, "%s\n", __func__); @@ -166,7 +182,10 @@ static int pcf85063_probe(struct i2c_client *client) if (!pcf85063) return -ENOMEM; - pcf85063->regmap = devm_regmap_init_i2c(client, ®map_config); + if (data) + config = data; + + pcf85063->regmap = devm_regmap_init_i2c(client, &config->regmap); if (IS_ERR(pcf85063->regmap)) return PTR_ERR(pcf85063->regmap); @@ -196,7 +215,9 @@ static int pcf85063_probe(struct i2c_client *client) #ifdef CONFIG_OF static const struct of_device_id pcf85063_of_match[] = { - { .compatible = "nxp,pcf85063" }, + { .compatible = "nxp,pcf85063", .data = &pcf85063tp_config }, + { .compatible = "nxp,pcf85063tp", .data = &pcf85063tp_config }, + { .compatible = "nxp,pcf85063a", .data = &pcf85063a_config }, {} }; MODULE_DEVICE_TABLE(of, pcf85063_of_match); |