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authorAlexandre Belloni <alexandre.belloni@bootlin.com>2019-04-01 19:08:11 +0300
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2019-04-04 11:07:11 +0300
commit0e2e87779ab8699e1c9a82fbf08b9462c34fd974 (patch)
tree8558b10ab75d547f01e435ff7f5a3d5eb948e4fb /drivers/rtc/rtc-pcf85063.c
parente89b60d02801b1fc334256261cb6c2511413ab69 (diff)
downloadlinux-0e2e87779ab8699e1c9a82fbf08b9462c34fd974.tar.xz
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.c33
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, &regmap_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);