| Message ID | 20220607072907.127000-6-chanho61.park@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | support secondary ufs for Exynos Auto v9 SoC | expand |
>-----Original Message----- >From: Chanho Park [mailto:chanho61.park@samsung.com] >Sent: Tuesday, June 7, 2022 12:59 PM >To: Kishon Vijay Abraham I <kishon@ti.com>; Vinod Koul ><vkoul@kernel.org>; Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>; >Alim Akhtar <alim.akhtar@samsung.com>; Rob Herring ><robh+dt@kernel.org>; Krzysztof Kozlowski ><krzysztof.kozlowski+dt@linaro.org> >Cc: devicetree@vger.kernel.org; linux-phy@lists.infradead.org; linux- >samsung-soc@vger.kernel.org; linux-arm-kernel@lists.infradead.org; Chanho >Park <chanho61.park@samsung.com> >Subject: [PATCH v4 5/5] 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 <krzysztof.kozlowski@linaro.org> >Signed-off-by: Chanho Park <chanho61.park@samsung.com> >--- Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> > drivers/phy/samsung/phy-samsung-ufs.c | 5 +++++ > 1 file changed, 5 insertions(+) > >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); >-- >2.36.1
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);