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Commit c2c9f1fe authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Lee Jones
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mfd: sec-core: Dump PMIC revision to find out the HW 



There are different revisions of the same chipset. For example S2MPS13 has
more than 2 revisions. They differ slightly in regulator constraints.
Print the revision number to easily find which PMIC is used on the board.

Signed-off-by: default avatarKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 2e44e28a

drivers/mfd/sec-core.c

+10 −0
Original line number Diff line number Diff line
@@ -253,6 +253,15 @@ static const struct regmap_config s5m8767_regmap_config = { 
	.cache_type = REGCACHE_FLAT,

};



static void sec_pmic_dump_rev(struct sec_pmic_dev *sec_pmic)

{

	unsigned int val;



	/* For each device type, the REG_ID is always the first register */

	if (!regmap_read(sec_pmic->regmap_pmic, S2MPS11_REG_ID, &val))

		dev_dbg(sec_pmic->dev, "Revision: 0x%x\n", val);

}



#ifdef CONFIG_OF

/*

 * Only the common platform data elements for s5m8767 are parsed here from the
@@ -425,6 +434,7 @@ static int sec_pmic_probe(struct i2c_client *i2c, 
		goto err_mfd;



	device_init_wakeup(sec_pmic->dev, sec_pmic->wakeup);

	sec_pmic_dump_rev(sec_pmic);



	return ret;