From 67885cf9e3d8248cbf8c2917159ec90f10e7a029 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Tue, 23 Jun 2020 16:55:28 +0200 Subject: [PATCH] PCI: tegra: Remove PLL power supplies The Tegra PCI controller driver doesn't need to control the PLL power supplies directly, but rather uses the pads provided by the XUSB pad controller, which in turn is responsible for supplying power to the PLLs. Link: https://lore.kernel.org/r/20200623145528.1658337-2-thierry.reding@gmail.com Signed-off-by: Thierry Reding Signed-off-by: Lorenzo Pieralisi Reviewed-by: Rob Herring --- drivers/pci/controller/pci-tegra.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c index b532d5082fb6f..e25e661a652cd 100644 --- a/drivers/pci/controller/pci-tegra.c +++ b/drivers/pci/controller/pci-tegra.c @@ -2000,7 +2000,7 @@ static int tegra_pcie_get_regulators(struct tegra_pcie *pcie, u32 lane_mask) pcie->supplies[i++].supply = "hvdd-pex"; pcie->supplies[i++].supply = "vddio-pexctl-aud"; } else if (of_device_is_compatible(np, "nvidia,tegra210-pcie")) { - pcie->num_supplies = 6; + pcie->num_supplies = 3; pcie->supplies = devm_kcalloc(pcie->dev, pcie->num_supplies, sizeof(*pcie->supplies), @@ -2008,14 +2008,11 @@ static int tegra_pcie_get_regulators(struct tegra_pcie *pcie, u32 lane_mask) if (!pcie->supplies) return -ENOMEM; - pcie->supplies[i++].supply = "avdd-pll-uerefe"; pcie->supplies[i++].supply = "hvddio-pex"; pcie->supplies[i++].supply = "dvddio-pex"; - pcie->supplies[i++].supply = "dvdd-pex-pll"; - pcie->supplies[i++].supply = "hvdd-pex-pll-e"; pcie->supplies[i++].supply = "vddio-pex-ctl"; } else if (of_device_is_compatible(np, "nvidia,tegra124-pcie")) { - pcie->num_supplies = 7; + pcie->num_supplies = 4; pcie->supplies = devm_kcalloc(dev, pcie->num_supplies, sizeof(*pcie->supplies), @@ -2025,11 +2022,8 @@ static int tegra_pcie_get_regulators(struct tegra_pcie *pcie, u32 lane_mask) pcie->supplies[i++].supply = "avddio-pex"; pcie->supplies[i++].supply = "dvddio-pex"; - pcie->supplies[i++].supply = "avdd-pex-pll"; pcie->supplies[i++].supply = "hvdd-pex"; - pcie->supplies[i++].supply = "hvdd-pex-pll-e"; pcie->supplies[i++].supply = "vddio-pex-ctl"; - pcie->supplies[i++].supply = "avdd-pll-erefe"; } else if (of_device_is_compatible(np, "nvidia,tegra30-pcie")) { bool need_pexa = false, need_pexb = false; -- 2.39.5