linux-kernel - [PATCH 1/1] regulator: axp20x: Add support for AXP1530 variant

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Message-Id: <20221114162459.1802174-1-martin.botka@somainline.org>
Date:   Mon, 14 Nov 2022 17:24:58 +0100
From:   Martin Botka <martin.botka@...ainline.org>
To:     martin.botka1@...il.com
Cc:     ~postmarketos/upstreaming@...ts.sr.ht,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Jami Kettunen <jamipkettunen@...ainline.org>,
        Paul Bouchara <paul.bouchara@...ainline.org>,
        Yenda <jtrmal@...il.com>,
        Martin Botka <martin.botka@...ainline.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/1] regulator: axp20x: Add support for AXP1530 variant

AXP1530 has a few regulators that are controlled via I2C or RSB Bus.

Add support for them.

Signed-off-by: Martin Botka <martin.botka@...ainline.org>
---
 drivers/regulator/axp20x-regulator.c | 44 ++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index d260c442b788..ca422311a996 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -1001,6 +1001,40 @@ static const struct regulator_desc axp813_regulators[] = {
 		    AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DC1SW_MASK),
 };
 
+static const struct linear_range axp1530_dcdc1_ranges[] = {
+	REGULATOR_LINEAR_RANGE(500000, 0x0, 0x46, 10000),
+	REGULATOR_LINEAR_RANGE(1220000, 0x47, 0x57, 20000),
+	REGULATOR_LINEAR_RANGE(1600000, 0x58, 0x6A, 100000),
+};
+
+static const struct linear_range axp1530_dcdc2_ranges[] = {
+	REGULATOR_LINEAR_RANGE(500000, 0x0, 0x46, 10000),
+	REGULATOR_LINEAR_RANGE(1220000, 0x47, 0x57, 20000),
+};
+
+static const struct linear_range axp1530_dcdc3_ranges[] = {
+	REGULATOR_LINEAR_RANGE(500000, 0x0, 0x46, 10000),
+	REGULATOR_LINEAR_RANGE(1220000, 0x47, 0x66, 20000),
+};
+
+static const struct regulator_desc axp1530_regulators[] = {
+	AXP_DESC_RANGES(AXP1530, DCDC1, "dcdc1", "vin1", axp1530_dcdc1_ranges,
+					0x6B, AXP1530_DCDC1_CONRTOL, 0x7f, AXP1530_OUTPUT_CONTROL,
+					BIT(0)),
+	AXP_DESC_RANGES(AXP1530, DCDC2, "dcdc2", "vin2", axp1530_dcdc2_ranges,
+					0x58, AXP1530_DCDC2_CONRTOL, 0x7f, AXP1530_OUTPUT_CONTROL,
+					BIT(1)),
+	AXP_DESC_RANGES(AXP1530, DCDC3, "dcdc3", "vin3", axp1530_dcdc3_ranges,
+					0x58, AXP1530_DCDC3_CONRTOL, 0x7f, AXP1530_OUTPUT_CONTROL,
+					BIT(2)),
+	AXP_DESC(AXP1530, LDO1, "ldo1", "ldo1in", 500, 3500, 100,
+					AXP1530_ALDO1_CONRTOL, 0x1f, AXP1530_OUTPUT_CONTROL,
+					BIT(3)),
+	AXP_DESC(AXP1530, LDO2, "ldo2", "ldo2in", 500, 3500, 100,
+					AXP1530_DLDO1_CONRTOL, 0x1f, AXP1530_OUTPUT_CONTROL,
+					BIT(4)),
+};
+
 static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq)
 {
 	struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
@@ -1040,6 +1074,12 @@ static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq)
 		def = 3000;
 		step = 150;
 		break;
+	case AXP1530_ID:
+		/*
+		 * Do not set the DCDC frequency on AXP1530
+		 */
+		return 0;
+		break;
 	default:
 		dev_err(&pdev->dev,
 			"Setting DCDC frequency for unsupported AXP variant\n");
@@ -1252,6 +1292,10 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
 		drivevbus = of_property_read_bool(pdev->dev.parent->of_node,
 						  "x-powers,drive-vbus-en");
 		break;
+		case AXP1530_ID:
+		regulators = axp1530_regulators;
+		nregulators = AXP1530_REG_ID_MAX;
+		break;
 	default:
 		dev_err(&pdev->dev, "Unsupported AXP variant: %ld\n",
 			axp20x->variant);
-- 
2.38.1