From: Chanho Park Date: Tue, 7 Jun 2022 07:29:07 +0000 (+0900) Subject: phy: samsung: ufs: support secondary ufs phy X-Git-Tag: block-6.0-2022-08-12~26^2~5^2~110 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=2aecaf6ccda7012ab7fb4060ac49624ab18d42f8;p=linux-2.6-block.git 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: Krzysztof Kozlowski Signed-off-by: Chanho Park Reviewed-by: Alim Akhtar Link: https://lore.kernel.org/r/20220607072907.127000-6-chanho61.park@samsung.com Signed-off-by: Vinod Koul --- diff --git a/drivers/phy/samsung/phy-samsung-ufs.c b/drivers/phy/samsung/phy-samsung-ufs.c index 0c933e364064..206a79c69a6c 100644 --- a/drivers/phy/samsung/phy-samsung-ufs.c +++ b/drivers/phy/samsung/phy-samsung-ufs.c @@ -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);