bluebunny
632197dd74
Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/8412>
112 lines
3.1 KiB
Diff
112 lines
3.1 KiB
Diff
From b6265d46bf881ac39e6eaa0fc74fd50a91c37cac Mon Sep 17 00:00:00 2001
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From: bluebunny <1812-bluebunny@users.noreply.gitlab.postmarketos.org>
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Date: Mon, 27 Jan 2025 01:19:39 +0300
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Subject: [PATCH 07/12] drivers: media: i2c: ov13b10: add device tree support
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and dvdd/dovdd
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Add support for device tree and include DVDD and DOVDD regulators. This allows the OV13B10 camera to function properly on xiaomi-pipa.
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---
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drivers/media/i2c/ov13b10.c | 53 ++++++++++++++++++++++++++++++++++++-
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1 file changed, 52 insertions(+), 1 deletion(-)
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diff --git a/drivers/media/i2c/ov13b10.c b/drivers/media/i2c/ov13b10.c
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index 5421874732bc..bd8a564e92be 100644
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--- a/drivers/media/i2c/ov13b10.c
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+++ b/drivers/media/i2c/ov13b10.c
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@@ -709,6 +709,8 @@ struct ov13b10 {
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struct clk *img_clk;
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struct regulator *avdd;
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+ struct regulator *dvdd;
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+ struct regulator *dovdd;
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struct gpio_desc *reset;
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/* V4L2 Controls */
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@@ -1197,6 +1199,10 @@ static int ov13b10_power_off(struct device *dev)
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if (ov13b10->avdd)
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regulator_disable(ov13b10->avdd);
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+ if (ov13b10->dvdd)
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+ regulator_disable(ov13b10->dvdd);
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+ if (ov13b10->dovdd)
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+ regulator_disable(ov13b10->dovdd);
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clk_disable_unprepare(ov13b10->img_clk);
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@@ -1219,7 +1225,25 @@ static int ov13b10_power_on(struct device *dev)
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ret = regulator_enable(ov13b10->avdd);
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if (ret < 0) {
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dev_err(dev, "failed to enable avdd: %d", ret);
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- clk_disable_unprepare(ov13b10->img_clk);
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+ ov13b10_power_off(dev);
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+ return ret;
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+ }
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+ }
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+
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+ if (ov13b10->dvdd) {
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+ ret = regulator_enable(ov13b10->dvdd);
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+ if (ret < 0) {
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+ dev_err(dev, "failed to enable dvdd: %d", ret);
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+ ov13b10_power_off(dev);
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+ return ret;
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+ }
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+ }
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+
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+ if (ov13b10->dovdd) {
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+ ret = regulator_enable(ov13b10->dovdd);
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+ if (ret < 0) {
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+ dev_err(dev, "failed to enable dovdd: %d", ret);
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+ ov13b10_power_off(dev);
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return ret;
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}
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}
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@@ -1500,6 +1524,24 @@ static int ov13b10_get_pm_resources(struct ov13b10 *ov13b)
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"failed to get avdd regulator\n");
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}
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+ ov13b->dvdd = devm_regulator_get_optional(ov13b->dev, "dvdd");
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+ if (IS_ERR(ov13b->dvdd)) {
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+ ret = PTR_ERR(ov13b->dvdd);
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+ ov13b->dvdd = NULL;
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+ if (ret != -ENODEV)
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+ return dev_err_probe(ov13b->dev, ret,
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+ "failed to get dvdd regulator\n");
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+ }
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+
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+ ov13b->dovdd = devm_regulator_get_optional(ov13b->dev, "dovdd");
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+ if (IS_ERR(ov13b->dovdd)) {
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+ ret = PTR_ERR(ov13b->dovdd);
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+ ov13b->dovdd = NULL;
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+ if (ret != -ENODEV)
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+ return dev_err_probe(ov13b->dev, ret,
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+ "failed to get dovdd regulator\n");
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+ }
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+
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return 0;
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}
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@@ -1700,11 +1742,20 @@ static const struct acpi_device_id ov13b10_acpi_ids[] = {
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MODULE_DEVICE_TABLE(acpi, ov13b10_acpi_ids);
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#endif
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+#ifdef CONFIG_OF
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+static const struct of_device_id ov13b10_of_match[] = {
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+ { .compatible = "ovti,ov13b10" },
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+ { /* sentinel */ }
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+};
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+MODULE_DEVICE_TABLE(of, ov13b10_of_match);
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+#endif
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+
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static struct i2c_driver ov13b10_i2c_driver = {
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.driver = {
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.name = "ov13b10",
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.pm = pm_ptr(&ov13b10_pm_ops),
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.acpi_match_table = ACPI_PTR(ov13b10_acpi_ids),
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+ .of_match_table = of_match_ptr(ov13b10_of_match),
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},
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.probe = ov13b10_probe,
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.remove = ov13b10_remove,
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--
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2.52.0
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