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Commit 5a5ddd0d authored by Subbaraman Narayanamurthy's avatar Subbaraman Narayanamurthy
Browse files

regulator: fan53555: add support for Halo HL7509 buck converter 



Halo HL7509 is a digitally programmable buck converter that
outputs a voltage from 600 to 1230 mV from an input voltage of
2.5 to 5.5 V. Since the register mappings are compatible with
FAN53555, add a new vendor ID to support it.

CRs-Fixed: 968575
Change-Id: I0083a7ada311d624731e43755cfd371b2364fb39
Signed-off-by: default avatarSubbaraman Narayanamurthy <subbaram@codeaurora.org>
parent 0b26927c

Documentation/devicetree/bindings/regulator/fan53555.txt

+10 −1
Original line number Diff line number Diff line 
Binding for Fairchild FAN53555 regulators



Required properties:

  - compatible: one of "fcs,fan53555", "silergy,syr827", "silergy,syr828"

  - compatible: one of "fcs,fan53555", "silergy,syr827", "silergy,syr828" or

    "halo,hl7509"

  - reg: I2C address



Optional properties:
@@ -21,3 +22,11 @@ Example: 
		vin-supply = <&parent_reg>;

		fcs,suspend-voltage-selector = <1>;

	};



	regulator@60 {

		compatible = "halo,hl7509";

		regulator-name = "hl7509";

		regulator-min-microvolt = <600000>;

		regulator-max-microvolt = <1230000>;

		fcs,suspend-voltage-selector = <1>;

	};

Documentation/devicetree/bindings/vendor-prefixes.txt

+1 −0
Original line number Diff line number Diff line
@@ -71,6 +71,7 @@ google Google, Inc. 
goodix	Goodix. Ltd

gumstix	Gumstix, Inc.

gw	Gateworks Corporation

halo	Halo Microelectronics Co., Ltd.

haoyu	Haoyu Microelectronic Co. Ltd.

hisilicon	Hisilicon Limited.

honeywell	Honeywell

drivers/regulator/fan53555.c

+10 −0
Original line number Diff line number Diff line
@@ -55,6 +55,7 @@ 
enum fan53555_vendor {

	FAN53555_VENDOR_FAIRCHILD = 0,

	FAN53555_VENDOR_SILERGY,

	HALO_HL7509,

};



/* IC Type */
@@ -266,6 +267,9 @@ static int fan53555_device_setup(struct fan53555_device_info *di, 
	case FAN53555_VENDOR_SILERGY:

		ret = fan53555_voltages_setup_silergy(di);

		break;

	case HALO_HL7509:

		ret = fan53555_voltages_setup_fairchild(di);

		break;

	default:

		dev_err(di->dev, "vendor %d not supported!\n", di->vendor);

		return -EINVAL;
@@ -333,6 +337,9 @@ static const struct of_device_id fan53555_dt_ids[] = { 
	}, {

		.compatible = "silergy,syr828",

		.data = (void *)FAN53555_VENDOR_SILERGY,

	}, {

		.compatible = "halo,hl7509",

		.data = (void *)HALO_HL7509,

	},

	{ }

};
@@ -436,6 +443,9 @@ static const struct i2c_device_id fan53555_id[] = { 
	}, {

		.name = "syr82x",

		.driver_data = FAN53555_VENDOR_SILERGY

	}, {

		.name = "hl7509",

		.driver_data = HALO_HL7509

	},

	{ },

};