Commit 9029b9b2 authored by Hsin-Yi Wang's avatar Hsin-Yi Wang Committed by Wolfram Sang
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i2c: mediatek: mt65xx: add optional vbus-supply 



Add vbus-supply which provides power to SCL/SDA. Pass this regulator
into core so it can be turned on/off for low power mode support.

Signed-off-by: default avatarHsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: default avatarQii Wang <qii.wang@mediatek.com>
Signed-off-by: default avatarWolfram Sang <wsa@kernel.org>
parent c021087c

drivers/i2c/busses/i2c-mt65xx.c

+7 −0
Original line number Diff line number Diff line
@@ -1220,6 +1220,13 @@ static int mtk_i2c_probe(struct platform_device *pdev) 
	i2c->adap.quirks = i2c->dev_comp->quirks;

	i2c->adap.timeout = 2 * HZ;

	i2c->adap.retries = 1;

	i2c->adap.bus_regulator = devm_regulator_get_optional(&pdev->dev, "vbus");

	if (IS_ERR(i2c->adap.bus_regulator)) {

		if (PTR_ERR(i2c->adap.bus_regulator) == -ENODEV)

			i2c->adap.bus_regulator = NULL;

		else

			return PTR_ERR(i2c->adap.bus_regulator);

	}



	ret = mtk_i2c_parse_dt(pdev->dev.of_node, i2c);

	if (ret)