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Commit 5da0024b authored by Subbaraman Narayanamurthy's avatar Subbaraman Narayanamurthy Committed by David Collins
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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 349cf069

Documentation/devicetree/bindings/regulator/fan53555.txt

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

Binding for Fairchild FAN53555 regulators





Required properties:

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

  - reg: I2C address





Optional properties:

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

		vin-supply = <&parent_reg>;

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

		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 Original line Diff line number Diff line
@@ -116,6 +116,7 @@ google Google, Inc. 
grinn	Grinn

grinn	Grinn

gumstix	Gumstix, Inc.

gumstix	Gumstix, Inc.

gw	Gateworks Corporation

gw	Gateworks Corporation

halo	Halo Microelectronics Co., Ltd.

hannstar	HannStar Display Corporation

hannstar	HannStar Display Corporation

haoyu	Haoyu Microelectronic Co. Ltd.

haoyu	Haoyu Microelectronic Co. Ltd.

hardkernel	Hardkernel Co., Ltd

hardkernel	Hardkernel Co., Ltd

drivers/regulator/fan53555.c

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

enum fan53555_vendor {

	FAN53555_VENDOR_FAIRCHILD = 0,

	FAN53555_VENDOR_FAIRCHILD = 0,

	FAN53555_VENDOR_SILERGY,

	FAN53555_VENDOR_SILERGY,

	HALO_HL7509,

};

};





/* IC Type */

/* IC Type */
@@ -309,6 +310,9 @@ static int fan53555_device_setup(struct fan53555_device_info *di, 
	case FAN53555_VENDOR_SILERGY:

	case FAN53555_VENDOR_SILERGY:

		ret = fan53555_voltages_setup_silergy(di);

		ret = fan53555_voltages_setup_silergy(di);

		break;

		break;

	case HALO_HL7509:

		ret = fan53555_voltages_setup_fairchild(di);

		break;

	default:

	default:

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

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

		return -EINVAL;

		return -EINVAL;
@@ -377,6 +381,9 @@ static const struct of_device_id fan53555_dt_ids[] = { 
	}, {

	}, {

		.compatible = "silergy,syr828",

		.compatible = "silergy,syr828",

		.data = (void *)FAN53555_VENDOR_SILERGY,

		.data = (void *)FAN53555_VENDOR_SILERGY,

	}, {

		.compatible = "halo,hl7509",

		.data = (void *)HALO_HL7509,

	},

	},

	{ }

	{ }

};

};
@@ -480,6 +487,9 @@ static const struct i2c_device_id fan53555_id[] = { 
	}, {

	}, {

		.name = "syr82x",

		.name = "syr82x",

		.driver_data = FAN53555_VENDOR_SILERGY

		.driver_data = FAN53555_VENDOR_SILERGY

	}, {

		.name = "hl7509",

		.driver_data = HALO_HL7509

	},

	},

	{ },

	{ },

};

};