Unverified Commit f6a8e9f3 authored by Heikki Krogerus's avatar Heikki Krogerus Committed by Rodrigo Vivi
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i2c: designware: Add quirk for Intel Xe 



The regmap is coming from the parent also in case of Xe
GPUs. Reusing the Wangxun quirk for that.

Acked-by: default avatarJarkko Nikula <jarkko.nikula@linux.intel.com>
Co-developed-by: default avatarMichael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: default avatarMichael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: default avatarHeikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: default avatarAndi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20250701122252.2590230-3-heikki.krogerus@linux.intel.com


Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
[Rodrigo fixed the co-developed tags while merging]
parent 22290cc9

drivers/i2c/busses/i2c-designware-platdrv.c

+5 −2
Original line number Diff line number Diff line
@@ -101,7 +101,7 @@ static int bt1_i2c_request_regs(struct dw_i2c_dev *dev) 
}

#endif



static int txgbe_i2c_request_regs(struct dw_i2c_dev *dev)

static int dw_i2c_get_parent_regmap(struct dw_i2c_dev *dev)

{

	dev->map = dev_get_regmap(dev->dev->parent, NULL);

	if (!dev->map)
@@ -123,12 +123,15 @@ static int dw_i2c_plat_request_regs(struct dw_i2c_dev *dev) 
	struct platform_device *pdev = to_platform_device(dev->dev);

	int ret;



	if (device_is_compatible(dev->dev, "intel,xe-i2c"))

		return dw_i2c_get_parent_regmap(dev);



	switch (dev->flags & MODEL_MASK) {

	case MODEL_BAIKAL_BT1:

		ret = bt1_i2c_request_regs(dev);

		break;

	case MODEL_WANGXUN_SP:

		ret = txgbe_i2c_request_regs(dev);

		ret = dw_i2c_get_parent_regmap(dev);

		break;

	default:

		dev->base = devm_platform_ioremap_resource(pdev, 0);