Commit 2aecaf6c authored by Chanho Park's avatar Chanho Park Committed by Vinod Koul
Browse files

phy: samsung: ufs: support secondary ufs phy 



To support secondary ufs phy device, we need to get an offset for phy
isolation from the syscon DT node. If the first index argument of the
node is existing, we can read the offset value and set it as isol->offset.

Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: default avatarChanho Park <chanho61.park@samsung.com>
Reviewed-by: default avatarAlim Akhtar <alim.akhtar@samsung.com>
Link: https://lore.kernel.org/r/20220607072907.127000-6-chanho61.park@samsung.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent f86c1d0a

drivers/phy/samsung/phy-samsung-ufs.c

+5 −0
Original line number Diff line number Diff line
@@ -288,6 +288,7 @@ static int samsung_ufs_phy_probe(struct platform_device *pdev) 
	struct phy *gen_phy;

	struct phy_provider *phy_provider;

	const struct samsung_ufs_phy_drvdata *drvdata;

	u32 isol_offset;

	int err = 0;



	match = of_match_node(samsung_ufs_phy_match, dev->of_node);
@@ -330,6 +331,10 @@ static int samsung_ufs_phy_probe(struct platform_device *pdev) 
	phy->has_symbol_clk = drvdata->has_symbol_clk;

	memcpy(&phy->isol, &drvdata->isol, sizeof(phy->isol));



	if (!of_property_read_u32_index(dev->of_node, "samsung,pmu-syscon", 1,

					&isol_offset))

		phy->isol.offset = isol_offset;



	phy->lane_cnt = PHY_DEF_LANE_CNT;



	phy_set_drvdata(gen_phy, phy);