40 lines
1.3 KiB
Diff
40 lines
1.3 KiB
Diff
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From b059dbee47914f4074e150a481a49e73be1efcf2 Mon Sep 17 00:00:00 2001
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From: Ondrej Jirman <megous@megous.com>
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Date: Mon, 14 Dec 2020 07:42:08 +0100
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Subject: [PATCH 313/323] power: supply: axp20x-usb-power: Change Vbus hold
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voltage to 4.5V
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This fixes USB-PD charger resets.
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Signed-off-by: Ondrej Jirman <megous@megous.com>
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---
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drivers/power/supply/axp20x_usb_power.c | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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diff --git a/drivers/power/supply/axp20x_usb_power.c b/drivers/power/supply/axp20x_usb_power.c
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index 182a00b4a..96d8a8ef2 100644
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--- a/drivers/power/supply/axp20x_usb_power.c
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+++ b/drivers/power/supply/axp20x_usb_power.c
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@@ -839,6 +839,18 @@ static int axp20x_usb_power_probe(struct platform_device *pdev)
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AXP813_BC_EN, AXP813_BC_EN);
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}
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+ /*TODO: Re-work this into a supply property with OF based default value */
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+ if (of_machine_is_compatible("pine64,pinephone-1.2") > 0 ||
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+ of_machine_is_compatible("pine64,pinephone-1.1") > 0 ||
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+ of_machine_is_compatible("pine64,pinephone-1.0") > 0) {
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+
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+ dev_info(&pdev->dev, "Increasing Vbus hold voltage to 4.5V\n");
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+
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+ ret = regmap_update_bits(axp20x->regmap, 0x30, 0x7 << 3, 0x5 << 3);
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+ if (ret)
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+ return ret;
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+ }
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+
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psy_cfg.of_node = pdev->dev.of_node;
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psy_cfg.drv_data = power;
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--
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2.34.0
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