From 2a28c74189af5314ac84a2c5cba99640ab556ed0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ond=C5=99ej=20Jirman?= Date: Mon, 14 Dec 2020 07:42:08 +0100 Subject: [PATCH 289/484] power: supply: axp20x-usb-power: Change Vbus hold voltage to 4.5V This fixes USB-PD charger resets. Signed-off-by: Ondrej Jirman --- drivers/power/supply/axp20x_usb_power.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/power/supply/axp20x_usb_power.c b/drivers/power/supply/axp20x_usb_power.c index e75d1e377ac1..0b655274dadb 100644 --- a/drivers/power/supply/axp20x_usb_power.c +++ b/drivers/power/supply/axp20x_usb_power.c @@ -1011,6 +1011,18 @@ static int axp20x_usb_power_probe(struct platform_device *pdev) return ret; } + /*TODO: Re-work this into a supply property with OF based default value */ + if (of_machine_is_compatible("pine64,pinephone-1.2") > 0 || + of_machine_is_compatible("pine64,pinephone-1.1") > 0 || + of_machine_is_compatible("pine64,pinephone-1.0") > 0) { + + dev_info(&pdev->dev, "Increasing Vbus hold voltage to 4.5V\n"); + + ret = regmap_update_bits(axp20x->regmap, 0x30, 0x7 << 3, 0x5 << 3); + if (ret) + return ret; + } + psy_cfg.fwnode = dev_fwnode(&pdev->dev); psy_cfg.drv_data = power; -- 2.49.0